Messages in this thread | | | Date | Fri, 11 Aug 2006 01:46:08 +0200 | From | "Michal Piotrowski" <> | Subject | Re: 2.6.18-rc4+ext4 oops while mounting xfs |
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Hi Nathan,
On 11/08/06, Nathan Scott <nathans@sgi.com> wrote: > On Fri, Aug 11, 2006 at 01:08:44AM +0200, Michal Piotrowski wrote: > > On 10/08/06, Michal Piotrowski <michal.k.k.piotrowski@gmail.com> wrote: > > > ... > > > Aug 10 16:50:53 ltg01-fedora kernel: EFLAGS: 00010002 (2.6.18-rc4 #119) > > > Aug 10 16:50:53 ltg01-fedora kernel: EIP is at __lock_acquire+0x2ca/0x9b6 > > > Aug 10 16:50:53 ltg01-fedora kernel: Call Trace: > > > Aug 10 16:50:53 ltg01-fedora kernel: [<c0135ccb>] > > > lock_release_non_nested+0xc5/0x11d > > > Aug 10 16:50:53 ltg01-fedora kernel: [<c0136026>] lock_release+0x12f/0x159 > > > Aug 10 16:50:53 ltg01-fedora kernel: [<c02d579e>] > > > __mutex_unlock_slowpath+0x99/0xff > > > Aug 10 16:50:53 ltg01-fedora kernel: [<c02d580c>] mutex_unlock+0x8/0xa > > > Aug 10 16:50:53 ltg01-fedora kernel: [<c016d3b2>] > > > generic_shutdown_super+0xbb/0x113 > > > Aug 10 16:50:53 ltg01-fedora kernel: [<c016d42a>] kill_block_super+0x20/0x32 > > > Aug 10 16:50:53 ltg01-fedora kernel: [<c016d4ea>] deactivate_super+0x5d/0x6f > > > Aug 10 16:50:53 ltg01-fedora kernel: [<c0180336>] mntput_no_expire+0x42/0x72 > > > Aug 10 16:50:53 ltg01-fedora kernel: [<c0173147>] > > > path_release_on_umount+0x15/0x18 > > > Aug 10 16:50:53 ltg01-fedora kernel: [<c018147c>] sys_umount+0x1e7/0x21b > > ... > > It's fixed in latest 2.6.18-rc4-git*. > > We've not changed anything mount related in current git* kernels, > are you sure its fixed (did it happen every time)? I'm not sure > how its XFS related too ... looks possibly lockdep related (from > *non_nested back there?)
You are absolutely right. Oops appears only with CONFIG_DEBUG_LOCKDEP enabled.
> and perhaps an issue with sb->s_lock in > the kill_block_super unlock_super call? > > cheers. > > -- > Nathan >
Regards, Michal
-- Michal K. K. Piotrowski LTG - Linux Testers Group (http://www.stardust.webpages.pl/ltg/wiki/) - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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