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Groups > linux.kernel > #1497361
| From | Oleg Nesterov <oleg@redhat.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH V2 2/2] fs/super.c: don't fool lockdep in freeze_super() and thaw_super() paths |
| Date | 2016-10-07 19:00 +0200 |
| Message-ID | <spGF3-3ei-3@gated-at.bofh.it> (permalink) |
| References | (5 earlier) <snWNX-3MD-3@gated-at.bofh.it> <soeBc-7qE-51@gated-at.bofh.it> <sowop-27o-3@gated-at.bofh.it> <sowop-27o-1@gated-at.bofh.it> <sphdE-Kt-23@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On 10/06, Johannes Weiner wrote:
>
> On Tue, Oct 04, 2016 at 01:48:00PM +0200, Michal Hocko wrote:
> > Johannes is already looking into this
> > http://lkml.kernel.org/r/20161004093216.GA21170@cmpxchg.org
> >
> > On Tue 04-10-16 13:43:43, Oleg Nesterov wrote:
> > > because of kernel bug:
> > >
> > > [ 2730.242537] run fstests generic/274 at 2016-10-04 05:17:34
> > > [ 2730.738352] XFS (loop1): Mounting V5 Filesystem
> > > [ 2730.741451] XFS (loop1): Ending clean mount
> > > [ 2744.508698] ------------[ cut here ]------------
> > > [ 2744.509190] kernel BUG at ./include/linux/swap.h:276!
> > >
> > > static inline void workingset_node_shadows_dec(struct radix_tree_node *node)
> > > {
> > > VM_BUG_ON(!workingset_node_shadows(node));
> > > node->count -= 1U << RADIX_TREE_COUNT_SHIFT;
>
> We tracked this one down and Linus merged a fix for this issue:
>
> https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=d3798ae8c6f3767c726403c2ca6ecc317752c9dd
Confirm, generic/274 no longer crashes the kernel.
Thanks.
Oleg.
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[PATCH 0/2] (Was: BUG_ON in rcu_sync_func triggered) Oleg Nesterov <oleg@redhat.com> - 2016-09-26 18:10 +0200
[PATCH 2/2] fs/super.c: don't fool lockdep in freeze_super() and thaw_super() paths Oleg Nesterov <oleg@redhat.com> - 2016-09-26 18:10 +0200
Re: [PATCH 2/2] fs/super.c: don't fool lockdep in freeze_super() and thaw_super() paths Jan Kara <jack@suse.cz> - 2016-09-26 18:20 +0200
[PATCH V2 2/2] fs/super.c: don't fool lockdep in freeze_super() and thaw_super() paths Oleg Nesterov <oleg@redhat.com> - 2016-09-26 19:00 +0200
Re: [PATCH V2 2/2] fs/super.c: don't fool lockdep in freeze_super() and thaw_super() paths Jan Kara <jack@suse.cz> - 2016-09-27 09:00 +0200
Re: [PATCH V2 2/2] fs/super.c: don't fool lockdep in freeze_super() and thaw_super() paths Dave Chinner <david@fromorbit.com> - 2016-09-27 09:20 +0200
Re: [PATCH V2 2/2] fs/super.c: don't fool lockdep in freeze_super() and thaw_super() paths Oleg Nesterov <oleg@redhat.com> - 2016-09-27 19:30 +0200
Re: [PATCH V2 2/2] fs/super.c: don't fool lockdep in freeze_super() and thaw_super() paths Oleg Nesterov <oleg@redhat.com> - 2016-09-30 19:20 +0200
Re: [PATCH V2 2/2] fs/super.c: don't fool lockdep in freeze_super() and thaw_super() paths Dave Chinner <david@fromorbit.com> - 2016-10-02 23:50 +0200
Re: [PATCH V2 2/2] fs/super.c: don't fool lockdep in freeze_super() and thaw_super() paths Oleg Nesterov <oleg@redhat.com> - 2016-10-03 18:50 +0200
Re: [PATCH V2 2/2] fs/super.c: don't fool lockdep in freeze_super() and thaw_super() paths Oleg Nesterov <oleg@redhat.com> - 2016-10-04 19:00 +0200
Re: [PATCH V2 2/2] fs/super.c: don't fool lockdep in freeze_super() and thaw_super() paths Dave Chinner <david@fromorbit.com> - 2016-10-04 22:10 +0200
Re: [PATCH V2 2/2] fs/super.c: don't fool lockdep in freeze_super() and thaw_super() paths Oleg Nesterov <oleg@redhat.com> - 2016-10-05 18:40 +0200
Re: [PATCH V2 2/2] fs/super.c: don't fool lockdep in freeze_super() and thaw_super() paths Dave Chinner <david@fromorbit.com> - 2016-10-04 21:50 +0200
Re: [PATCH V2 2/2] fs/super.c: don't fool lockdep in freeze_super() and thaw_super() paths Oleg Nesterov <oleg@redhat.com> - 2016-10-05 18:50 +0200
Re: [PATCH V2 2/2] fs/super.c: don't fool lockdep in freeze_super() and thaw_super() paths Jan Kara <jack@suse.cz> - 2016-10-06 09:30 +0200
Re: [PATCH V2 2/2] fs/super.c: don't fool lockdep in freeze_super() and thaw_super() paths Oleg Nesterov <oleg@redhat.com> - 2016-10-06 19:20 +0200
Re: [PATCH V2 2/2] fs/super.c: don't fool lockdep in freeze_super() and thaw_super() paths Dave Chinner <david@fromorbit.com> - 2016-10-07 00:00 +0200
Re: [PATCH V2 2/2] fs/super.c: don't fool lockdep in freeze_super() and thaw_super() paths Oleg Nesterov <oleg@redhat.com> - 2016-10-07 19:20 +0200
Re: [PATCH V2 2/2] fs/super.c: don't fool lockdep in freeze_super() and thaw_super() paths Dave Chinner <david@fromorbit.com> - 2016-10-08 01:00 +0200
Re: [PATCH V2 2/2] fs/super.c: don't fool lockdep in freeze_super() and thaw_super() paths Oleg Nesterov <oleg@redhat.com> - 2016-10-09 18:20 +0200
Re: [PATCH V2 2/2] fs/super.c: don't fool lockdep in freeze_super() and thaw_super() paths Dave Chinner <david@fromorbit.com> - 2016-10-10 03:20 +0200
Re: [PATCH V2 2/2] fs/super.c: don't fool lockdep in freeze_super() and thaw_super() paths Johannes Weiner <hannes@cmpxchg.org> - 2016-10-06 15:50 +0200
Re: [PATCH V2 2/2] fs/super.c: don't fool lockdep in freeze_super() and thaw_super() paths Oleg Nesterov <oleg@redhat.com> - 2016-10-07 19:00 +0200
[PATCH 1/2] fs/super.c: fix race between freeze_super() and thaw_super() Oleg Nesterov <oleg@redhat.com> - 2016-09-26 18:10 +0200
Re: [PATCH 1/2] fs/super.c: fix race between freeze_super() and thaw_super() Jan Kara <jack@suse.cz> - 2016-09-26 18:20 +0200
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