Re: kern/42205: kernel panic at activated userquota

[6bone%6bone.informatik.uni-leipzig.de@localhost]

The following reply was made to PR kern/42205; it has been noted by GNATS.

From: 6bone%6bone.informatik.uni-leipzig.de@localhost
To: gnats-bugs%NetBSD.org@localhost
Cc: kern-bug-people%netbsd.org@localhost, gnats-admin%netbsd.org@localhost, 
netbsd-bugs%netbsd.org@localhost
Subject: Re: kern/42205: kernel panic  at activated userquota
Date: Fri, 30 Oct 2009 08:30:54 +0100 (CET)

 Hello
 
 now a dump from the last panic:
 
 uvm_fault(0xffffffff80c7a620, 0x0, 1) -> e
 fatal page fault in supervisor mode
 trap type 6 code 0 rip ffffffff803e4863 cs 8 rflags 10246 cr2  70 cpl 0 
 rsp fff0
 kernel: page fault trap, code=0
 Stopped in pid 0.61 (system) at netbsd:qsync+0x103:     movq 
 0x70(%rdx,%rax,8
 ),%r14
 db{2}> trace
 qsync() at netbsd:qsync+0x103
 ffs_sync() at netbsd:ffs_sync+0x2eb
 VFS_SYNC() at netbsd:VFS_SYNC+0x33
 sync_fsync() at netbsd:sync_fsync+0x85
 VOP_FSYNC() at netbsd:VOP_FSYNC+0x71
 sched_sync() at netbsd:sched_sync+0x15d
 db{2}> show registers
 ds          0xb3e8
 es          0x66a3
 fs          0xaac0
 gs          0x12
 rdi         0xffff8000ada6b3e8
 rsi         0
 rbp         0xffff80007282ab20
 rbx         0xffff8000ada6b3e8
 rdx         0
 rcx         0
 rax         0
 r8          0xffff80001f264000
 r9          0x7c
 r10         0xffff80001f264080
 r11         0
 r12         0xffff8000728164a0
 r13         0xffff80008cd4d188
 r14         0
 r15         0xffff800072dddd48
 rip         0xffffffff803e4863  qsync+0x103
 cs          0x8
 rflags      0x10246
 rsp         0xffff80007282aaf0
 ss          0x10
 netbsd:qsync+0x103:     movq    0x70(%rdx,%rax,8),%r14
 db{2}> cont
 uvm_fault(0xffffffff80c7a620, 0x0, 1) -> e
 fatal page fault in supervisor mode
 trap type 6 code 0 rip ffffffff803e4863 cs 8 rflags 10246 cr2  70 cpl 0 
 rsp fff0
 kernel: page fault trap, code=0
 Stopped in pid 0.61 (system) at netbsd:qsync+0x103:     movq 
 0x70(%rdx,%rax,8
 ),%r14
 
 
 regards
 Uwe
 
 
 On Thu, 29 Oct 2009, 
 6bone%6bone.informatik.uni-leipzig.de@localhost wrote:
 
 > Date: Thu, 29 Oct 2009 07:35:01 +0000 (UTC)
 > From: 6bone%6bone.informatik.uni-leipzig.de@localhost
 > Reply-To: gnats-bugs%NetBSD.org@localhost
 > To: kern-bug-people%netbsd.org@localhost, gnats-admin%netbsd.org@localhost,
 >     netbsd-bugs%netbsd.org@localhost, 
 > 6bone%6bone.informatik.uni-leipzig.de@localhost
 > Subject: Re: kern/42205: kernel panic  at activated userquota
 > 
 > The following reply was made to PR kern/42205; it has been noted by GNATS.
 >
 > From: 6bone%6bone.informatik.uni-leipzig.de@localhost
 > To: gnats-bugs%NetBSD.org@localhost
 > Cc: kern-bug-people%netbsd.org@localhost, gnats-admin%netbsd.org@localhost, 
 > netbsd-bugs%netbsd.org@localhost
 > Subject: Re: kern/42205: kernel panic  at activated userquota
 > Date: Thu, 29 Oct 2009 08:34:15 +0100 (CET)
 >
 > The new patch does not work. There was a crash last night.
 > Unfortunately I can't report a trace, because ddb.onpanic was 0.
 >
 >
 > Regards
 > Uwe
 >
 > On Wed, 28 Oct 2009, 6bone%6bone.informatik.uni-leipzig.de@localhost wrote:
 >
 > > Date: Wed, 28 Oct 2009 06:40:04 +0000 (UTC)
 > > From: 6bone%6bone.informatik.uni-leipzig.de@localhost
 > > Reply-To: gnats-bugs%NetBSD.org@localhost
 > > To: kern-bug-people%netbsd.org@localhost, gnats-admin%netbsd.org@localhost,
 > >     netbsd-bugs%netbsd.org@localhost, 
 > > 6bone%6bone.informatik.uni-leipzig.de@localhost
 > > Subject: Re: kern/42205: kernel panic  at activated userquota
 > >
 > > The following reply was made to PR kern/42205; it has been noted by GNATS.
 > >
 > > From: 6bone%6bone.informatik.uni-leipzig.de@localhost
 > > To: gnats-bugs%NetBSD.org@localhost
 > > Cc: kern-bug-people%netbsd.org@localhost, 
 > > gnats-admin%netbsd.org@localhost, netbsd-bugs%netbsd.org@localhost
 > > Subject: Re: kern/42205: kernel panic  at activated userquota
 > > Date: Wed, 28 Oct 2009 07:39:09 +0100 (CET)
 > >
 > > I applied the new patch. There was no crash in the last 24h. But it needs
 > > some more days to say if it stable or not.
 > >
 > > Thank you for your efforts.
 > >
 > > Uwe
 > >
 > >
 > >
 > > On Mon, 26 Oct 2009, Manuel Bouyer wrote:
 > >
 > > > Thanks. But, I think this was not the right way to fix the problem.
 > > > Can you try the attached one instead ? It should fix your problem, and 
 > > > some
 > > > others (including one that I fixed the wrong way some time ago, this is
 > > > the code in #if 0/#endif in the patch).
 > > >
 > > > I'm running with this patch on several systems now and it seems to work 
 > > > fine.
 > > >
 > > > --
 > > > Manuel Bouyer, LIP6, Universite Paris VI.           
 > > > Manuel.Bouyer%lip6.fr@localhost
 > > >      NetBSD: 26 ans d'experience feront toujours la difference
 > > > --
 > >
 > >
 >
 >