Messages in this thread | | | Date | Fri, 29 Feb 2008 12:35:00 +0100 | From | Jiri Olsa <> | Subject | Re: [BUG] soft lockup detected with ipcs |
| |
Andrew Morton wrote: > On Fri, 29 Feb 2008 12:01:27 +0100 Jiri Olsa <olsajiri@gmail.com> wrote: > >> Andrew Morton wrote: >>> On Fri, 29 Feb 2008 11:46:24 +0100 Jiri Olsa <olsajiri@gmail.com> wrote: >>> >>>> when I run 'ipcs' my system freeze up immediatelly. >>>> I was able to get kernel BUG message once, I think it is not >>>> printed out all the time it freeze. >>>> >>>> I tried on 2.6.24, 2.6.20 and 2.6.18. >>>> I attached screenshot from 2.6.18 freeze and config. >>> how weird. Lots of people are surely running ipcs and not seeing this. >>> >>> Can you suggest what's different about your setup? >> no idea :) I noticed like 2 weeks ago... I probably changed some config, >> but I dont remember what it was, I'll try to figure out. >> >> Anyway I can reproduce this immediatelly, so I can run any diag you'd need to see. >> > > (reversed top-posting - please don't do that ;)) > > Strange. I guess as a first step it would be good if you can get a full > backtrace - can you set up netconsole > (Documentation/networking/netconsole.txt) and grab that? > > We have your config. Can you tell us how you're triggering it? Does a > particular workload have to be run, or is it triggerable straight after > bootup? > > Thanks.
I'll try to get the netconsole..
The trigger is simple just type ipcs and press enter :) I noticed that running from xterm freeze all the time. It wont freeze up sometimes running directly from terminal.
I also tried to reproduce it in qemu but with no luck.
| |