[dpdk-dev] DPDK causing Soft lockup on XEN ?

[Gary M]

Hi,

Maybe this is a config issue.. need some help.

I have a situation where xen is reporting a cpu is stuck after the
ip_fragmentation example hangs setting up memory.
Sys log:

Message from syslogd at port22 at Jul 17 14:27:32 ...
 kernel:[180294.724037] BUG: soft lockup - CPU#7 stuck for 22s!
[ip_fragmentatio:12886]

Message from syslogd at port22 at Jul 17 14:28:00 ...
 kernel:[180322.724037] BUG: soft lockup - CPU#7 stuck for 22s!
[ip_fragmentatio:12886]

Message from syslogd at port22 at Jul 17 14:28:36 ...
 kernel:[180358.724037] BUG: soft lockup - CPU#7 stuck for 23s!
[ip_fragmentatio:12886]

Message from syslogd at port22 at Jul 17 14:29:04 ...
 kernel:[180386.724037] BUG: soft lockup - CPU#7 stuck for 23s!
[ip_fragmentatio:12886]

Message from syslogd at port22 at Jul 17 14:29:40 ...
 kernel:[180422.724037] BUG: soft lockup - CPU#7 stuck for 22s!
[ip_fragmentatio:12886]

Message from syslogd at port22 at Jul 17 14:30:08 ...
 kernel:[180450.724037] BUG: soft lockup - CPU#7 stuck for 22s!
[ip_fragmentatio:12886]

Message from syslogd at port22 at Jul 17 14:30:40 ...
 kernel:[180482.724037] BUG: soft lockup - CPU#7 stuck for 22s!
[ip_fragmentatio:12886]

Message from syslogd at port22 at Jul 17 14:31:08 ...
 kernel:[180510.724038] BUG: soft lockup - CPU#7 stuck for 22s!
[ip_fragmentatio:12886]

Message from syslogd at port22 at Jul 17 14:31:44 ...
 kernel:[180546.724037] BUG: soft lockup - CPU#7 stuck for 23s!
[ip_fragmentatio:12886]

Message from syslogd at port22 at Jul 17 14:32:12 ...
 kernel:[180574.724037] BUG: soft lockup - CPU#7 stuck for 23s!
[ip_fragmentatio:12886]

Message from syslogd at port22 at Jul 17 14:32:48 ...
 kernel:[180610.724037] BUG: soft lockup - CPU#7 stuck for 22s!
[ip_fragmentatio:12886]