Re: [Vserver] kernel bug

From: Herbert Poetzl <herbert_at_13thfloor.at>
Date: Sun 26 Nov 2006 - 22:22:30 GMT
Message-ID: <20061126222230.GB15531@MAIL.13thfloor.at>

On Fri, Nov 24, 2006 at 08:11:39AM +0100, Andreas Baetz wrote:
> On Thursday 23 November 2006 18:49, Herbert Poetzl wrote:
> > On Thu, Nov 23, 2006 at 02:43:13AM +0100, Herbert Poetzl wrote:
> > > On Wed, Nov 22, 2006 at 01:28:42PM +0100, Andreas Baetz wrote:
> > > > Because of the CPU scheduling problems I have with 2.6.18.2 and vserver vs2.0.2.2-rc6 I tried
> > > > 2.6.18.3 and vs2.0.2.2-rc7.
> > > > The patch applied cleanly to a vanilla kernel.
> > > > The kernel compiled ok.
> > > > After booting I tried "vserver deb4 start", that failed and I got
> > > >
> > > > kernel BUG at kernel/vserver/network.c:147!
> > > > host kernel: invalid opcode: 0000 [#2]
> > > > host kernel: PREEMPT
> > > > host kernel: CPU: 0
> > > > host kernel: EIP is at unhash_nx_info+0x6e/0x90
> > > > host kernel: eax: 00000100 ebx: f6c7eee0 ecx: 00000001 edx: e8326000
> > > > host kernel: esi: e824ba90 edi: 00000010 ebp: c17efa90 esp: e8327f64
> > > > host kernel: ds: 007b es: 007b ss: 0068
> > > > host kernel: Process chbind (pid: 4168[#0], ti=e8326000 task=e824ba90 task.ti=e8326000)
> > > > host kernel: Stack: f6c7eee0 00000004 e8327f9c c012296e f6c7eee0 0000ff00 00000000 e8f1da40
> > > > host kernel: e8327f9c e824bb48 e824bb80 0000ff00 e8f1da40 e824bb48 e8327f9c e8327f9c
> > > > host kernel: 000000ff 00000000 0401a8c0 e8326000 c0122a4d c01031e1 000000ff 0804c81b
> > > > host kernel: Call Trace:
> > > > host kernel: Code: 04 c7 03 00 01 10 00 c7 43 04 00 02 20 00 b8 01 00 00 00 e8 e5 ed fd ff 89 e0 25 00 e0 ff ff 8b 40 08 a8 08 75 0f 83 c4 08 5b c3 <0f> 0b 93 00 1f 5a 43 c0 eb b8 83 c4 08 5b e9 5f 54 2c 00 eb 0d
> > > > host kernel: EIP: [<c013aebe>] unhash_nx_info+0x6e/0x90 SS:ESP 0068:e8327f64
> > > >
> > > > I'm back to 2.6.18.2 now.
> > >
> > > thanks, should be fixed in the next release
> >
> > vs2.0.2.2-rc8 is out ...
>
> I tried vs2.0.2.2-rc8 with 2.6.18.3, the vserver starts ok, no
> errors, but when I stopped it, the whole system freezed.
> Right after "Deconfiguring network interfaces...done."

hmm, on the guest or host?
if on the guest, what does the 'Deconfiguring' do?

> Nothing worked besides magic sysreq-boot.

well, that is at least something ...

would have been interesting to get a process dump
(which should work with SYSRQ-T)

> Nothing in the syslog.
> Didn't try a second time due o lack of time.

okay, maybe you get around, the stack trace of
all processes would probably tell us more ...

TIA,
Herbert

> Andreas
>
>
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Received on Mon Nov 27 01:11:49 2006

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