<meta http-equiv="Content-Type" content="text/html; charset=GB18030"><div><br></div><div><p style="margin-top: 0px; margin-right: 0px; margin-bottom: var(--s-prose-spacing); margin-left: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; line-height: inherit; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI Adjusted", "Segoe UI", "Liberation Sans", sans-serif; font-size: 15px; vertical-align: baseline; box-sizing: inherit; clear: both; color: rgb(35, 38, 41);">When I searched for this problem, I found that almost <strong style="margin: 0px; padding: 0px; border: 0px; font-style: inherit; font-variant: inherit; font-stretch: inherit; line-height: inherit; font-family: inherit; vertical-align: baseline; box-sizing: inherit;">no one else encountered such a problem</strong>.It's strange.By the way, I use dpdk-19.11.12 and Ubuntu-20.04</p><p style="margin-top: 0px; margin-right: 0px; margin-bottom: var(--s-prose-spacing); margin-left: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; line-height: inherit; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI Adjusted", "Segoe UI", "Liberation Sans", sans-serif; font-size: 15px; vertical-align: baseline; box-sizing: inherit; clear: both; color: rgb(35, 38, 41);"><br></p><p style="margin-top: 0px; margin-right: 0px; margin-bottom: var(--s-prose-spacing); margin-left: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; line-height: inherit; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI Adjusted", "Segoe UI", "Liberation Sans", sans-serif; font-size: 15px; vertical-align: baseline; box-sizing: inherit; clear: both; color: rgb(35, 38, 41);">After looking at the dpdk source code, I know that the above code is in the <strong style="margin: 0px; padding: 0px; border: 0px; font-style: inherit; font-variant: inherit; font-stretch: inherit; line-height: inherit; font-family: inherit; vertical-align: baseline; box-sizing: inherit;">rte_eth_dev_create</strong> function:</p><pre style="margin-top: 0px; margin-bottom: calc(var(--s-prose-spacing) + 0.4em); padding: var(--su12); border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; line-height: var(--lh-md); font-family: var(--ff-mono); font-size: var(--fs-body1); vertical-align: baseline; box-sizing: inherit; width: auto; max-height: 600px; overflow: auto; background-color: var(--highlight-bg); border-radius: var(--br-md); overflow-wrap: normal; color: var(--highlight-color);"><code style="margin: 0px; padding: 0px; border: 0px; font-style: inherit; font-variant: inherit; font-weight: inherit; font-stretch: inherit; line-height: inherit; font-family: var(--ff-mono); font-size: var(--fs-body1); vertical-align: baseline; box-sizing: inherit; background-color: transparent; white-space: inherit; color: var(--black-800); border-radius: 0px;"> </code></pre><pre style="margin-top: 0px; margin-bottom: calc(var(--s-prose-spacing) + 0.4em); padding: var(--su12); border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; line-height: var(--lh-md); font-family: var(--ff-mono); font-size: var(--fs-body1); vertical-align: baseline; box-sizing: inherit; width: auto; max-height: 600px; overflow: auto; background-color: var(--highlight-bg); border-radius: var(--br-md); overflow-wrap: normal; color: var(--highlight-color);"><code style="margin: 0px; padding: 0px; border: 0px; font-style: inherit; font-variant: inherit; font-weight: inherit; font-stretch: inherit; line-height: inherit; font-family: var(--ff-mono); font-size: var(--fs-body1); vertical-align: baseline; box-sizing: inherit; background-color: transparent; white-space: inherit; color: var(--black-800); border-radius: 0px;"> if (priv_data_size) {
ethdev->data->dev_private = **rte_zmalloc_socket**(
name, priv_data_size, RTE_CACHE_LINE_SIZE,
device->numa_node);
if (!ethdev->data->dev_private) {
RTE_LOG(ERR, EAL, "failed to allocate private data");
retval = -ENOMEM;
goto probe_failed;
}
}
</code></pre><p style="margin-top: 0px; margin-right: 0px; margin-bottom: var(--s-prose-spacing); margin-left: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; line-height: inherit; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI Adjusted", "Segoe UI", "Liberation Sans", sans-serif; font-size: 15px; vertical-align: baseline; box-sizing: inherit; clear: both; color: rgb(35, 38, 41);">It seems <strong style="margin: 0px; padding: 0px; border: 0px; font-style: inherit; font-variant: inherit; font-stretch: inherit; line-height: inherit; font-family: inherit; vertical-align: baseline; box-sizing: inherit;">rte_zmalloc_socket</strong> return a NULL pointer. Why this happens?I allocated the relevant hugepage memory as requested.</p><p style="margin-top: 0px; margin-right: 0px; margin-bottom: var(--s-prose-spacing); margin-left: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; line-height: inherit; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI Adjusted", "Segoe UI", "Liberation Sans", sans-serif; font-size: 15px; vertical-align: baseline; box-sizing: inherit; clear: both; color: rgb(35, 38, 41);"><br></p><p style="margin-top: 0px; margin-right: 0px; margin-bottom: var(--s-prose-spacing); margin-left: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; line-height: inherit; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI Adjusted", "Segoe UI", "Liberation Sans", sans-serif; font-size: 15px; vertical-align: baseline; box-sizing: inherit; clear: both; color: rgb(35, 38, 41);">Some Information£º</p><pre style="margin-top: 0px; margin-bottom: calc(var(--s-prose-spacing) + 0.4em); padding: var(--su12); border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; line-height: var(--lh-md); font-family: var(--ff-mono); font-size: var(--fs-body1); vertical-align: baseline; box-sizing: inherit; width: auto; max-height: 600px; overflow: auto; background-color: var(--highlight-bg); border-radius: var(--br-md); overflow-wrap: normal; color: var(--highlight-color);"><code style="margin: 0px; padding: 0px; border: 0px; font-style: inherit; font-variant: inherit; font-weight: inherit; font-stretch: inherit; line-height: inherit; font-family: var(--ff-mono); font-size: var(--fs-body1); vertical-align: baseline; box-sizing: inherit; background-color: transparent; white-space: inherit; color: var(--black-800); border-radius: 0px;">EAL: Detected 4 NUMA nodes
EAL: Multi-process socket /var/run/dpdk/rte/mp_socket
EAL: Selected IOVA mode 'PA'
EAL: No available hugepages reported in hugepages-2048kB
EAL: Probing VFIO support...
EAL: VFIO support initialized
EAL: PCI device 0000:31:00.0 on NUMA socket 3
EAL: probe driver: 8086:1521 net_e1000_igb
EAL: PCI device 0000:31:00.1 on NUMA socket 3
EAL: probe driver: 8086:1521 net_e1000_igb
EAL: PCI device 0000:51:00.0 on NUMA socket 5
EAL: probe driver: 8086:10fb net_ixgbe
failed to allocate private data
EAL: Requested device 0000:51:00.0 cannot be used
EAL: PCI device 0000:51:00.1 on NUMA socket 5
EAL: probe driver: 8086:10fb net_ixgbe
failed to allocate private data
EAL: Requested device 0000:51:00.1 cannot be used
</code></pre><p style="margin-top: 0px; margin-right: 0px; margin-bottom: var(--s-prose-spacing); margin-left: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; line-height: inherit; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI Adjusted", "Segoe UI", "Liberation Sans", sans-serif; font-size: 15px; vertical-align: baseline; box-sizing: inherit; clear: both; color: rgb(35, 38, 41);"><strong style="margin: 0px; padding: 0px; border: 0px; font-style: inherit; font-variant: inherit; font-stretch: inherit; line-height: inherit; font-family: inherit; vertical-align: baseline; box-sizing: inherit;"><br></strong></p><p style="margin-top: 0px; margin-right: 0px; margin-bottom: var(--s-prose-spacing); margin-left: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; line-height: inherit; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI Adjusted", "Segoe UI", "Liberation Sans", sans-serif; font-size: 15px; vertical-align: baseline; box-sizing: inherit; clear: both; color: rgb(35, 38, 41);"><strong style="margin: 0px; padding: 0px; border: 0px; font-style: inherit; font-variant: inherit; font-stretch: inherit; line-height: inherit; font-family: inherit; vertical-align: baseline; box-sizing: inherit;">Hugepages£º</strong> (cat /proc/meminfo | grep Huge)</p><pre style="margin-top: 0px; margin-bottom: calc(var(--s-prose-spacing) + 0.4em); padding: var(--su12); border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; line-height: var(--lh-md); font-family: var(--ff-mono); font-size: var(--fs-body1); vertical-align: baseline; box-sizing: inherit; width: auto; max-height: 600px; overflow: auto; background-color: var(--highlight-bg); border-radius: var(--br-md); overflow-wrap: normal; color: var(--highlight-color);"><code style="margin: 0px; padding: 0px; border: 0px; font-style: inherit; font-variant: inherit; font-weight: inherit; font-stretch: inherit; line-height: inherit; font-family: var(--ff-mono); font-size: var(--fs-body1); vertical-align: baseline; box-sizing: inherit; background-color: transparent; white-space: inherit; color: var(--black-800); border-radius: 0px;">AnonHugePages: 0 kB
ShmemHugePages: 0 kB
FileHugePages: 0 kB
HugePages_Total: 20
HugePages_Free: 19
HugePages_Rsvd: 0
HugePages_Surp: 0
Hugepagesize: 1048576 kB
Hugetlb: 20971520 kB
</code></pre><p style="margin-top: 0px; margin-right: 0px; margin-bottom: var(--s-prose-spacing); margin-left: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; line-height: inherit; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI Adjusted", "Segoe UI", "Liberation Sans", sans-serif; font-size: 15px; vertical-align: baseline; box-sizing: inherit; clear: both; color: rgb(35, 38, 41);"><strong style="margin: 0px; padding: 0px; border: 0px; font-style: inherit; font-variant: inherit; font-stretch: inherit; line-height: inherit; font-family: inherit; vertical-align: baseline; box-sizing: inherit;"><br></strong></p><p style="margin-top: 0px; margin-right: 0px; margin-bottom: var(--s-prose-spacing); margin-left: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; line-height: inherit; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI Adjusted", "Segoe UI", "Liberation Sans", sans-serif; font-size: 15px; vertical-align: baseline; box-sizing: inherit; clear: both; color: rgb(35, 38, 41);"><strong style="margin: 0px; padding: 0px; border: 0px; font-style: inherit; font-variant: inherit; font-stretch: inherit; line-height: inherit; font-family: inherit; vertical-align: baseline; box-sizing: inherit;">and mount information:</strong> (mount | grep huge)</p><pre style="margin-top: 0px; margin-bottom: calc(var(--s-prose-spacing) + 0.4em); padding: var(--su12); border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; line-height: var(--lh-md); font-family: var(--ff-mono); font-size: var(--fs-body1); vertical-align: baseline; box-sizing: inherit; width: auto; max-height: 600px; overflow: auto; background-color: var(--highlight-bg); border-radius: var(--br-md); overflow-wrap: normal; color: var(--highlight-color);"><code style="margin: 0px; padding: 0px; border: 0px; font-style: inherit; font-variant: inherit; font-weight: inherit; font-stretch: inherit; line-height: inherit; font-family: var(--ff-mono); font-size: var(--fs-body1); vertical-align: baseline; box-sizing: inherit; background-color: transparent; white-space: inherit; color: var(--black-800); border-radius: 0px;">cgroup on /sys/fs/cgroup/hugetlb type cgroup (rw,nosuid,nodev,noexec,relatime,hugetlb)
hugetlbfs on /dev/hugepages type hugetlbfs (rw,relatime,pagesize=1024M)
nodev on /mnt/huge type hugetlbfs (rw,relatime,pagesize=1024M)
</code></pre><p style="margin-top: 0px; margin-right: 0px; margin-bottom: var(--s-prose-spacing); margin-left: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; line-height: inherit; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI Adjusted", "Segoe UI", "Liberation Sans", sans-serif; font-size: 15px; vertical-align: baseline; box-sizing: inherit; clear: both; color: rgb(35, 38, 41);"><strong style="margin: 0px; padding: 0px; border: 0px; font-style: inherit; font-variant: inherit; font-stretch: inherit; line-height: inherit; font-family: inherit; vertical-align: baseline; box-sizing: inherit;"><br></strong></p><p style="margin-top: 0px; margin-right: 0px; margin-bottom: var(--s-prose-spacing); margin-left: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; line-height: inherit; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI Adjusted", "Segoe UI", "Liberation Sans", sans-serif; font-size: 15px; vertical-align: baseline; box-sizing: inherit; clear: both; color: rgb(35, 38, 41);"><strong style="margin: 0px; padding: 0px; border: 0px; font-style: inherit; font-variant: inherit; font-stretch: inherit; line-height: inherit; font-family: inherit; vertical-align: baseline; box-sizing: inherit;">NIC:</strong></p><pre style="margin-top: 0px; margin-bottom: calc(var(--s-prose-spacing) + 0.4em); padding: var(--su12); border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; line-height: var(--lh-md); font-family: var(--ff-mono); font-size: var(--fs-body1); vertical-align: baseline; box-sizing: inherit; width: auto; max-height: 600px; overflow: auto; background-color: var(--highlight-bg); border-radius: var(--br-md); overflow-wrap: normal; color: var(--highlight-color);"><code style="margin: 0px; padding: 0px; border: 0px; font-style: inherit; font-variant: inherit; font-weight: inherit; font-stretch: inherit; line-height: inherit; font-family: var(--ff-mono); font-size: var(--fs-body1); vertical-align: baseline; box-sizing: inherit; background-color: transparent; white-space: inherit; color: var(--black-800); border-radius: 0px;">Network devices using DPDK-compatible driver
============================================
0000:51:00.0 '82599ES 10-Gigabit SFI/SFP+ Network Connection 10fb' drv=igb_uio unused=ixgbe,vfio-pci
0000:51:00.1 '82599ES 10-Gigabit SFI/SFP+ Network Connection 10fb' drv=igb_uio unused=ixgbe,vfio-pci
Network devices using kernel driver
===================================
0000:31:00.0 'I350 Gigabit Network Connection 1521' if=enp49s0f0 drv=igb unused=igb_uio,vfio-pci
0000:31:00.1 'I350 Gigabit Network Connection 1521' if=enp49s0f1 drv=igb unused=igb_uio,vfio-pci *Active*
</code></pre><p style="margin-top: 0px; margin-right: 0px; margin-bottom: var(--s-prose-spacing); margin-left: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; line-height: inherit; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI Adjusted", "Segoe UI", "Liberation Sans", sans-serif; font-size: 15px; vertical-align: baseline; box-sizing: inherit; clear: both; color: rgb(35, 38, 41);"><strong style="margin: 0px; padding: 0px; border: 0px; font-style: inherit; font-variant: inherit; font-stretch: inherit; line-height: inherit; font-family: inherit; vertical-align: baseline; box-sizing: inherit;">Numa information:</strong>(numactl -H)</p><pre style="margin-top: 0px; margin-bottom: calc(var(--s-prose-spacing) + 0.4em); padding: var(--su12); border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; line-height: var(--lh-md); font-family: var(--ff-mono); font-size: var(--fs-body1); vertical-align: baseline; box-sizing: inherit; width: auto; max-height: 600px; overflow: auto; background-color: var(--highlight-bg); border-radius: var(--br-md); overflow-wrap: normal; color: var(--highlight-color);"><code style="margin: 0px; padding: 0px; border: 0px; font-style: inherit; font-variant: inherit; font-weight: inherit; font-stretch: inherit; line-height: inherit; font-family: var(--ff-mono); font-size: var(--fs-body1); vertical-align: baseline; box-sizing: inherit; background-color: transparent; white-space: inherit; color: var(--black-800); border-radius: 0px;">node 5 cpus: 30 31 32 33 34 35 78 79 80 81 82 83
node 5 size: 64475 MB
node 5 free: 58743 MB
</code></pre><p style="margin-top: 0px; margin-right: 0px; margin-bottom: var(--s-prose-spacing); margin-left: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; line-height: inherit; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI Adjusted", "Segoe UI", "Liberation Sans", sans-serif; font-size: 15px; vertical-align: baseline; box-sizing: inherit; clear: both; color: rgb(35, 38, 41);">82599ES NICs are on numa node 5.</p><p style="margin-top: 0px; margin-right: 0px; margin-bottom: var(--s-prose-spacing); margin-left: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; line-height: inherit; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI Adjusted", "Segoe UI", "Liberation Sans", sans-serif; font-size: 15px; vertical-align: baseline; box-sizing: inherit; clear: both; color: rgb(35, 38, 41);">I thought I did all the initialization but rte_eal_init returned the error "failed to allocate private data"</p><p style="margin-top: 0px; margin-right: 0px; margin-bottom: var(--s-prose-spacing); margin-left: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; line-height: inherit; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI Adjusted", "Segoe UI", "Liberation Sans", sans-serif; font-size: 15px; vertical-align: baseline; box-sizing: inherit; clear: both; color: rgb(35, 38, 41);">Any ideas on this issue? Thanks for help.</p><p style="margin-top: 0px; margin-right: 0px; margin-bottom: var(--s-prose-spacing); margin-left: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; line-height: inherit; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI Adjusted", "Segoe UI", "Liberation Sans", sans-serif; font-size: 15px; vertical-align: baseline; box-sizing: inherit; clear: both; color: rgb(35, 38, 41);">-----------------------update-----------------------------------------</p><p style="margin-top: 0px; margin-right: 0px; margin-bottom: var(--s-prose-spacing); margin-left: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; line-height: inherit; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI Adjusted", "Segoe UI", "Liberation Sans", sans-serif; font-size: 15px; vertical-align: baseline; box-sizing: inherit; clear: both; color: rgb(35, 38, 41);">Since this problem occurs in rte_zmalloc_socket(),I guess that there is something wrong with my configuration in Hugepages.But as posted above,i check Hugepages with command:</p><p style="margin-top: 0px; margin-right: 0px; margin-bottom: var(--s-prose-spacing); margin-left: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; line-height: inherit; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI Adjusted", "Segoe UI", "Liberation Sans", sans-serif; font-size: 15px; vertical-align: baseline; box-sizing: inherit; clear: both; color: rgb(35, 38, 41);"><br></p><pre style="margin-top: 0px; margin-bottom: calc(var(--s-prose-spacing) + 0.4em); padding: var(--su12); border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; line-height: var(--lh-md); font-family: var(--ff-mono); font-size: var(--fs-body1); vertical-align: baseline; box-sizing: inherit; width: auto; max-height: 600px; overflow: auto; background-color: var(--highlight-bg); border-radius: var(--br-md); overflow-wrap: normal; color: var(--highlight-color);"><code style="margin: 0px; padding: 0px; border: 0px; font-style: inherit; font-variant: inherit; font-weight: inherit; font-stretch: inherit; line-height: inherit; font-family: var(--ff-mono); font-size: var(--fs-body1); vertical-align: baseline; box-sizing: inherit; background-color: transparent; white-space: inherit; color: var(--black-800); border-radius: 0px;">1.cat /proc/meminfo | grep Huge
2.mount | grep huge
</code></pre><pre style="margin-top: 0px; margin-bottom: calc(var(--s-prose-spacing) + 0.4em); padding: var(--su12); border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; line-height: var(--lh-md); font-family: var(--ff-mono); font-size: var(--fs-body1); vertical-align: baseline; box-sizing: inherit; width: auto; max-height: 600px; overflow: auto; background-color: var(--highlight-bg); border-radius: var(--br-md); overflow-wrap: normal; color: var(--highlight-color);"><code style="margin: 0px; padding: 0px; border: 0px; font-style: inherit; font-variant: inherit; font-weight: inherit; font-stretch: inherit; line-height: inherit; font-family: var(--ff-mono); font-size: var(--fs-body1); vertical-align: baseline; box-sizing: inherit; background-color: transparent; white-space: inherit; color: var(--black-800); border-radius: 0px;"><br></code></pre><p style="margin-top: 0px; margin-right: 0px; margin-bottom: var(--s-prose-spacing); margin-left: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; line-height: inherit; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI Adjusted", "Segoe UI", "Liberation Sans", sans-serif; font-size: 15px; vertical-align: baseline; box-sizing: inherit; clear: both; color: rgb(35, 38, 41);">first command checks available 1G Hugepages and second checks mount situation.</p><p style="margin-top: 0px; margin-right: 0px; margin-bottom: var(--s-prose-spacing); margin-left: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; line-height: inherit; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI Adjusted", "Segoe UI", "Liberation Sans", sans-serif; font-size: 15px; vertical-align: baseline; box-sizing: inherit; clear: both; color: rgb(35, 38, 41);">Result above seems to be normal which confuses me most.</p><p style="margin-top: 0px; margin-right: 0px; margin-bottom: var(--s-prose-spacing); margin-left: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; line-height: inherit; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI Adjusted", "Segoe UI", "Liberation Sans", sans-serif; font-size: 15px; vertical-align: baseline; box-sizing: inherit; clear: both; color: rgb(35, 38, 41);">Any clues?Thanks.</p><p style="margin-top: 0px; margin-right: 0px; margin-bottom: var(--s-prose-spacing); margin-left: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; line-height: inherit; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI Adjusted", "Segoe UI", "Liberation Sans", sans-serif; font-size: 15px; vertical-align: baseline; box-sizing: inherit; clear: both; color: rgb(35, 38, 41);">----------------------------update------------------------------------------</p><p style="margin-top: 0px; margin-right: 0px; margin-bottom: var(--s-prose-spacing); margin-left: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; line-height: inherit; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI Adjusted", "Segoe UI", "Liberation Sans", sans-serif; font-size: 15px; vertical-align: baseline; box-sizing: inherit; clear: both; color: rgb(35, 38, 41);">After using debug mode, I seem to find why this error occurs,but still got confused:</p><p style="margin-top: 0px; margin-right: 0px; margin-bottom: var(--s-prose-spacing); margin-left: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; line-height: inherit; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI Adjusted", "Segoe UI", "Liberation Sans", sans-serif; font-size: 15px; vertical-align: baseline; box-sizing: inherit; clear: both; color: rgb(35, 38, 41);">Pay attention to <strong style="margin: 0px; padding: 0px; border: 0px; font-style: inherit; font-variant: inherit; font-stretch: inherit; line-height: inherit; font-family: inherit; vertical-align: baseline; box-sizing: inherit;">first parameter of rte_malloc_socket and rte_zmalloc_socket</strong>:</p><p style="margin-top: 0px; margin-right: 0px; margin-bottom: var(--s-prose-spacing); margin-left: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; line-height: inherit; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI Adjusted", "Segoe UI", "Liberation Sans", sans-serif; font-size: 15px; vertical-align: baseline; box-sizing: inherit; clear: both; color: rgb(35, 38, 41);"><br></p><pre style="margin-top: 0px; margin-bottom: calc(var(--s-prose-spacing) + 0.4em); padding: var(--su12); border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; line-height: var(--lh-md); font-family: var(--ff-mono); font-size: var(--fs-body1); vertical-align: baseline; box-sizing: inherit; width: auto; max-height: 600px; overflow: auto; background-color: var(--highlight-bg); border-radius: var(--br-md); overflow-wrap: normal; color: var(--highlight-color);"><code style="margin: 0px; padding: 0px; border: 0px; font-style: inherit; font-variant: inherit; font-weight: inherit; font-stretch: inherit; line-height: inherit; font-family: var(--ff-mono); font-size: var(--fs-body1); vertical-align: baseline; box-sizing: inherit; background-color: transparent; white-space: inherit; color: var(--black-800); border-radius: 0px;">#0 rte_malloc_socket (type=0x17ffb0440 <error: Cannot access memory at address 0x17ffb0440>, size=93825001207904, align=96, socket_arg=2147157000) at ../lib/librte_eal/common/rte_malloc.c:46
#1 0x00007ffff7bdc79b in rte_zmalloc_socket (type=0x555555de3860 "0000:51:00.0", size=30552, align=64, socket=5) at ../lib/librte_eal/common/rte_malloc.c:79
#2 0x00007ffff7cebc08 in rte_eth_dev_create (device=0x555555ddcf50, name=0x555555de3860 "0000:51:00.0", priv_data_size=30552, ethdev_bus_specific_init=0x7ffff59c74b5 <eth_dev_pci_specific_init>, bus_init_params=0x555555ddcf40, ethdev_init=0x7ffff59c8ed0 <eth_ixgbe_dev_init>, init_params=0x0) at ../lib/librte_ethdev/rte_ethdev.c:4279
</code></pre><pre style="margin-top: 0px; margin-bottom: calc(var(--s-prose-spacing) + 0.4em); padding: var(--su12); border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; line-height: var(--lh-md); font-family: var(--ff-mono); font-size: var(--fs-body1); vertical-align: baseline; box-sizing: inherit; width: auto; max-height: 600px; overflow: auto; background-color: var(--highlight-bg); border-radius: var(--br-md); overflow-wrap: normal; color: var(--highlight-color);"><code style="margin: 0px; padding: 0px; border: 0px; font-style: inherit; font-variant: inherit; font-weight: inherit; font-stretch: inherit; line-height: inherit; font-family: var(--ff-mono); font-size: var(--fs-body1); vertical-align: baseline; box-sizing: inherit; background-color: transparent; white-space: inherit; color: var(--black-800); border-radius: 0px;"><br></code></pre><p style="margin-top: 0px; margin-right: 0px; margin-bottom: var(--s-prose-spacing); margin-left: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; line-height: inherit; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI Adjusted", "Segoe UI", "Liberation Sans", sans-serif; font-size: 15px; vertical-align: baseline; box-sizing: inherit; clear: both; color: rgb(35, 38, 41);">And in dpdk source code:</p><pre style="margin-top: 0px; margin-bottom: calc(var(--s-prose-spacing) + 0.4em); padding: var(--su12); border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; line-height: var(--lh-md); font-family: var(--ff-mono); font-size: var(--fs-body1); vertical-align: baseline; box-sizing: inherit; width: auto; max-height: 600px; overflow: auto; background-color: var(--highlight-bg); border-radius: var(--br-md); overflow-wrap: normal; color: var(--highlight-color);"><code style="margin: 0px; padding: 0px; border: 0px; font-style: inherit; font-variant: inherit; font-weight: inherit; font-stretch: inherit; line-height: inherit; font-family: var(--ff-mono); font-size: var(--fs-body1); vertical-align: baseline; box-sizing: inherit; background-color: transparent; white-space: inherit; color: var(--black-800); border-radius: 0px;">/*
* Allocate zero'd memory on specified heap.
*/
void *
rte_zmalloc_socket(const char *type, size_t size, unsigned align, int socket)
{
void *ptr = rte_malloc_socket(type, size, align, socket);
if (ptr != NULL)
memset(ptr, 0, size);
return ptr;
}
</code></pre><pre style="margin-top: 0px; margin-bottom: calc(var(--s-prose-spacing) + 0.4em); padding: var(--su12); border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; line-height: var(--lh-md); font-family: var(--ff-mono); font-size: var(--fs-body1); vertical-align: baseline; box-sizing: inherit; width: auto; max-height: 600px; overflow: auto; background-color: var(--highlight-bg); border-radius: var(--br-md); overflow-wrap: normal; color: var(--highlight-color);"><code style="margin: 0px; padding: 0px; border: 0px; font-style: inherit; font-variant: inherit; font-weight: inherit; font-stretch: inherit; line-height: inherit; font-family: var(--ff-mono); font-size: var(--fs-body1); vertical-align: baseline; box-sizing: inherit; background-color: transparent; white-space: inherit; color: var(--black-800); border-radius: 0px;"><br></code></pre><p style="margin-top: 0px; margin-right: 0px; margin-bottom: var(--s-prose-spacing); margin-left: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; line-height: inherit; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI Adjusted", "Segoe UI", "Liberation Sans", sans-serif; font-size: 15px; vertical-align: baseline; box-sizing: inherit; clear: both; color: rgb(35, 38, 41);">first parameter of rte_malloc_socket and rte_zmalloc_socket should be same, but as shown above, <strong style="margin: 0px; padding: 0px; border: 0px; font-style: inherit; font-variant: inherit; font-stretch: inherit; line-height: inherit; font-family: inherit; vertical-align: baseline; box-sizing: inherit;">this does not happen in my case</strong></p><p style="margin-top: 0px; margin-right: 0px; margin-bottom: var(--s-prose-spacing); margin-left: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; line-height: inherit; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI Adjusted", "Segoe UI", "Liberation Sans", sans-serif; font-size: 15px; vertical-align: baseline; box-sizing: inherit; clear: both; color: rgb(35, 38, 41);"><br></p><p style="margin-top: 0px; margin-right: 0px; margin-bottom: var(--s-prose-spacing); margin-left: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; line-height: inherit; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI Adjusted", "Segoe UI", "Liberation Sans", sans-serif; font-size: 15px; vertical-align: baseline; box-sizing: inherit; clear: both; color: rgb(35, 38, 41);">other parameters seems to have same question!!</p><p style="margin-top: 0px; margin-right: 0px; margin-bottom: var(--s-prose-spacing); margin-left: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; line-height: inherit; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI Adjusted", "Segoe UI", "Liberation Sans", sans-serif; font-size: 15px; vertical-align: baseline; box-sizing: inherit; clear: both; color: rgb(35, 38, 41);"><br></p><p style="margin-top: 0px; margin-right: 0px; margin-bottom: var(--s-prose-spacing); margin-left: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; line-height: inherit; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI Adjusted", "Segoe UI", "Liberation Sans", sans-serif; font-size: 15px; vertical-align: baseline; box-sizing: inherit; clear: both; color: rgb(35, 38, 41);">This confuses me, what appened?And is what happened above the cause of the error?</p><p style="margin-top: 0px; margin-right: 0px; margin-bottom: var(--s-prose-spacing); margin-left: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; line-height: inherit; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI Adjusted", "Segoe UI", "Liberation Sans", sans-serif; font-size: 15px; vertical-align: baseline; box-sizing: inherit; clear: both; color: rgb(35, 38, 41);"><br></p><p style="margin-top: 0px; margin-right: 0px; margin-bottom: var(--s-prose-spacing); margin-left: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; line-height: inherit; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI Adjusted", "Segoe UI", "Liberation Sans", sans-serif; font-size: 15px; vertical-align: baseline; box-sizing: inherit; clear: both; color: rgb(35, 38, 41);">How can i fix it?Any clues?</p><p style="margin: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; line-height: inherit; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI Adjusted", "Segoe UI", "Liberation Sans", sans-serif; font-size: 15px; vertical-align: baseline; box-sizing: inherit; clear: both; color: rgb(35, 38, 41);"><br></p><p style="margin: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; line-height: inherit; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI Adjusted", "Segoe UI", "Liberation Sans", sans-serif; font-size: 15px; vertical-align: baseline; box-sizing: inherit; clear: both; color: rgb(35, 38, 41);">It seems we need a dpdk developer's help:)</p><p style="margin: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; line-height: inherit; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI Adjusted", "Segoe UI", "Liberation Sans", sans-serif; font-size: 15px; vertical-align: baseline; box-sizing: inherit; clear: both; color: rgb(35, 38, 41);"><br></p><p style="margin: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; line-height: inherit; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI Adjusted", "Segoe UI", "Liberation Sans", sans-serif; font-size: 15px; vertical-align: baseline; box-sizing: inherit; clear: both; color: rgb(35, 38, 41);">same question posted in stack overflow.</p><p style="margin: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; line-height: inherit; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI Adjusted", "Segoe UI", "Liberation Sans", sans-serif; font-size: 15px; vertical-align: baseline; box-sizing: inherit; clear: both; color: rgb(35, 38, 41);"><br></p><p style="margin: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; line-height: inherit; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI Adjusted", "Segoe UI", "Liberation Sans", sans-serif; font-size: 15px; vertical-align: baseline; box-sizing: inherit; clear: both; color: rgb(35, 38, 41);">Thanks.</p></div><div><hr align="left" style="margin: 0 0 10px 0;border: 0;border-bottom:1px solid #E4E5E6;height:0;line-height:0;font-size:0;padding: 20px 0 0 0;width: 50px;"><div style="font-size:14px;font-family:Verdana;color:#000;"><a class="xm_write_card" id="in_alias" style="white-space: normal; 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