* Re: 5.0.0-rc8-next-20190301+: kernel bug at fs/inode.c:513
[not found] <20190304160255.GA6914@amd>
@ 2019-03-04 22:32 ` Theodore Y. Ts'o
[not found] ` <20190304231426.GA6191@amd>
0 siblings, 1 reply; 2+ messages in thread
From: Theodore Y. Ts'o @ 2019-03-04 22:32 UTC (permalink / raw)
To: Pavel Machek; +Cc: adilger.kernel, jack, linux-fsdevel, linux-mm
(Adding linux-mm and moving linux-ext4 and linux-kernel to the bcc
list...)
On Mon, Mar 04, 2019 at 05:02:55PM +0100, Pavel Machek wrote:
>
> This happened on trying to sync filesystems with unison:
>
> Any ideas?
>
> Should I be forcing fsck soon?
> Pavel
>
> [12717.827444] ------------[ cut here ]------------
> [12717.827465] kernel BUG at fs/inode.c:513!
It seems unlikely that fsck is going to help. The BUG_ON in question
appears to be:
BUG_ON(inode->i_data.nrexceptional);
This is an in-memory accounting variable which seems to be related to
tracking DAX and shadow page entries --- and it seems very unlikely to
be the sort of thing triggered by an on-disk corruption.
Do you have a reliable repro for this? If so, the next step would be
to bisect...
- Ted
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: 5.0.0-rc8-next-20190301+: kernel bug at fs/inode.c:513
[not found] ` <20190304231426.GA6191@amd>
@ 2019-03-05 21:33 ` Theodore Y. Ts'o
0 siblings, 0 replies; 2+ messages in thread
From: Theodore Y. Ts'o @ 2019-03-05 21:33 UTC (permalink / raw)
To: Pavel Machek; +Cc: adilger.kernel, jack, linux-fsdevel, linux-mm
On Tue, Mar 05, 2019 at 12:14:26AM +0100, Pavel Machek wrote:
> Hi!
>
> > (Adding linux-mm and moving linux-ext4 and linux-kernel to the bcc
> > list...)
>
> Umm. So I ... bcc them too?
Nah, I bcc'ed them so that people on those lists would understand that
I had dropped them from thread because it probably isn't appropriate
to include them on the thread.
> > Do you have a reliable repro for this? If so, the next step would be
> > to bisect...
>
> It happened just once... so I don't yet know.
>
> I'm not even sure what file was affected. unison was showing some kind
> of png from openstreetmap cache, but I could read it using md5sum just
> fine.
>
> -next is normally pretty boring, but it seems to get pretty
> interesting around -final release...
OK, let's see if anyone else reports a similar failure.
- Ted
^ permalink raw reply [flat|nested] 2+ messages in thread
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[not found] <20190304160255.GA6914@amd>
2019-03-04 22:32 ` 5.0.0-rc8-next-20190301+: kernel bug at fs/inode.c:513 Theodore Y. Ts'o
[not found] ` <20190304231426.GA6191@amd>
2019-03-05 21:33 ` Theodore Y. Ts'o
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