Re: 2.6.12-rc6-mm1

[Dominik Karall]

On Friday 29 July 2005 20:22, Andrew Morton wrote:
> Dominik Karall <dominik.karall@xxxxxxx> wrote:
> > On Friday 29 July 2005 06:54, Andrew Morton wrote:
> > > Dominik Karall <dominik.karall@xxxxxxx> wrote:
> > > > On Tuesday 07 June 2005 13:29, Andrew Morton wrote:
> > > > > ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.1
> > > > >2-rc 6/2. 6.12-rc6-mm1/
> > > >
> > > > After looking in my dmesg output today, I saw following error with
> > > > 2.6.12-rc6-mm1, maybe it's usefull to you. I don't know when it
> > > > exactly happens, cause I never used mono last time, I just did an
> > > > emerge mono on my gentoo system, maybe this forced the failure.
> > > >
> > > > note: mono[26736] exited with preempt_count 1
> > > > scheduling while atomic: mono/0x10000001/26736
> > > >
> > > > Call Trace:<ffffffff803e13ea>{schedule+122}
> > > > <ffffffff8013197b>{vprintk+635} <ffffffff803e2738>{cond_resched+56}
> > > > <ffffffff80164de3>{unmap_vmas+1587} <ffffffff8016a560>{exit_mmap+128}
> > > > <ffffffff8012e7bf>{mmput+31} <ffffffff80133466>{do_exit+438}
> > > > <ffffffff8013bf25>{__dequeue_signal+501}
> > > >        <ffffffff801340c8>{do_group_exit+280}
> > > > <ffffffff8013e147>{get_signal_to_deliver+1575}
> > > >        <ffffffff8010de92>{do_signal+162}
> > > > <ffffffff8012d1e0>{default_wake_function+0}
> > > >        <ffffffff8010e8e1>{sys_rt_sigreturn+577}
> > > > <ffffffff8010eb3f>{sysret_signal+28}
> > > >        <ffffffff8010ee27>{ptregscall_common+103}
> > >
> > > A couple of people reported this, but all seems to have gone quiet.  Is
> > > it fixed in later -mm's?   Is 2.6.13-rc4 running OK?
> > >
> > > Thanks.
> >
> > hi andrew!
> >
> > I'm sorry, but it's not fixed in current 2.6.13-rc3-mm3. I did an emerge
> > mono right now to test it, and I got this one:
> > Jul 29 15:26:37 [kernel] note: mono[11138] exited with preempt_count 1
> > Jul 29 15:26:50 [kernel] file[14627]: segfault at 00002aaaab453000 rip
> > 00002aaaaaf652cf rsp 00007fffffe43b50 error 4
> > Jul 29 15:26:50 [kernel] file[14633]: segfault at 00002aaaab453000 rip
> > 00002aaaaaf652cf rsp 00007fffffcc87a0 error 4
> > Jul 29 15:26:51 [kernel] file[14669]: segfault at 00002aaaab453000 rip
> > 00002aaaaaf652cf rsp 00007fffff905f80 error 4
> >
> > DEBUG_KERNEL/ PREEMPT/ SPINLOCK are enabled, but I didn't get more info
> > about the bug. Did I forget any debug option?
>
> Gee, I don't know how to find this one.  Do you know if the problem is
> specific to -mm?

Tested with 2.6.13-rc4 and it seems to work. Didn't get any error.

So it seems to be -mm related. Do you suspect any patch which could cause the 
error?

dominik

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