Re: crash in tmpfs_itimes since vmlocking2 merge

["Chavdar Ivanov" <ci4ic4%gmail.com@localhost>]

On 23/01/2008, Antti Kantee <pooka%cs.hut.fi@localhost> wrote:
> On Wed Jan 23 2008 at 12:14:58 +0000, Chavdar Ivanov wrote:
> > Indeed the mfs panic has gone. Now I get - with a Release build
> > overnight on i386 -
> >
> > syncing disks... done
> > unmounting file systems...uvm_fault(0xca7f6ab8, 0, 1) -> 0xe
> > kernel: supervisor trap page fault, code=0
> > Stopped in pid 4779.1 (reboot) at    netbsd:fstrans_getstate+0x6:
> > movl 0x920(%eax),%eax
> >
> > db> bt
> > fstrans_getstate(0,0,cc362a4c,c02c7786,c0a67424) at 
> > netbsd:fstrans_getstate+0x6
> > ffs_full_fsync(ca7f9c80,1,0,0,0) at netbsd:ffs_full_fsync+0xa7
> > ffs_fsync(cc362b1c,cba8dc84,ffffffff,0,cba8d25c) at netbsd:ffs_fsync+0x4e
> > VOP_FSYNC(ca7f9c80,ca7e4f00,1,0,0) at netbsd:VOP_FSYNC+0x41
> > ffs_flushfiles(c15a1000,2,cba86060,c025d148,cba8dc84) at
> > netbsd:ffs_flushfiles+0x8d
> > ffs_unmount(c15a1000,80000,,0,0,cc362d00) at netbsd:ffs_unmount+0x48
> > dounmount(c15a1000,80000,cba86060,0,cc362d00) at netbsd:dounmount+0xc0
> > vfs_unmountall(cba86060,0,0,0,cc362c94) at netbsd:vfs_unmountall+0x68
> > vfs_shutdown(ca7e4f00,0,cc362cdc,c02a14bd,0) at netbsd:vfs_shutdown+0x89
> > cpu_reboot(0,0,0,0,c139f4fc) at netbsd:cpu_reboot+0x3b
> > sys_reboot(cba86060,cc362d00,cc362d28,0,81e9000) at netbsd:sys_reboot+0x65
> > syscall(cc362d48,b3,ab,1f,1f) at netbsd:syscall+0xca
> >
> > [snip]
> >
> > after selecting 'reboot' from the sysinst menu.
>
> Uuuh, brilliant.  I knew there was a reason my mother warned me about
> this stuff.
>
> Can you exit to shell from sysinst and show what the mount table looks
> like before reboot.  It seems that the device entry for the ffs causing
> the panic is on a file system which is unmounted before ffs, but I can't
> quite wrap my head around how that would happen.  /dev is on the root
> mfs on the install, no?

# mount
/dev/md0a on / type ffs (local)
mfs:10 on /dev type mfs (synchronous, union, local)


>
> --
> Antti Kantee <pooka%iki.fi@localhost>                     Of course he runs 
> NetBSD
> http://www.iki.fi/pooka/                          http://www.NetBSD.org/
>     "la qualité la plus indispensable du cuisinier est l'exactitude"
>


-- 
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