Bug#538158: BUG: soft lockup - CPU#5 stuck for 62s with 2.6.26-2-686-bigmem kernel
Juan Miguel Corral Cano wrote:
> I am not 100% sure, but I think we installed every kernel update on these
> machines until the problem was fixed. So maybe the first place to look is
> the 2.6.31/32 changelog.
Just for reference: I assume you were on i386, tracking
lenny-backports, and that "the 2.6.32-2 kernel" means something like
linux-image-2.6.32-bpo.2-686-bigmem 2.6.32-8~bpo50
Based on [1] and surrounding pages, I think the kernel before that in
lenny-backports was
linux-image-2.6.30-bpo.2-686-bigmem 2.6.30-8~bpo50+2
> The only clue I can give is that both machines had NFS4+kerberos mounted
> homes, so maybe it was related to bug 552706.
That reminds me: do you remember what exactly indicated to you that
the problem on your machines was the same as bug#538158? Was it just
the same message ("soft lockup - CPU#5 stuck") or did your machines
show the same shallow backtrace with only default_idle and cpu_idle in
it?
Thanks for some useful clarifications,
Jonathan
[1] http://lists.debian.org/debian-backports-changes/2010/02/subject.html
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