Messages in this thread | | | From | Chris Mason <> | Subject | Re: [block:for-3.14/core] kernel BUG at fs/bio.c:1748 | Date | Wed, 8 Jan 2014 20:51:38 +0000 |
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On Wed, 2014-01-08 at 12:40 -0800, Muthu Kumar wrote: > On Wed, Jan 8, 2014 at 12:16 PM, Chris Mason <clm@fb.com> wrote: > > On Wed, 2014-01-08 at 11:54 -0800, Muthu Kumar wrote: > >> Chris, > >> > >> [ 8.336061] WARNING: CPU: 0 PID: 0 at fs/bio.c:1778 bio_endio+0xbe/0x100() > >> [ 8.336062] bio_endio: bio for (unknown) without endio > >> > >> This is my recent change to avoid memory leak in bio_endio. But I > >> think the problem is higher up, most likely bio_endio is called twice > >> on the same bio (which was freed before). > >> > > > > I think these are just two separate problems. Lets ignore the WARN_ON > > for now. > > > > Not really... the BUG that is triggered: > > kernel BUG at fs/bio.c:523! > > It is in bio_put() (added to bio_endio() as part of recent change) > which gets an already freed bio. >
Oh! I see. Let me try with that one reverted. Thanks!
-chris
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