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From: Chris Mason <clm@fb.com>
To: "muthu.lkml@gmail.com" <muthu.lkml@gmail.com>
Cc: "kmo@daterainc.com" <kmo@daterainc.com>,
	"linux-btrfs@vger.kernel.org" <linux-btrfs@vger.kernel.org>,
	"fengguang.wu@intel.com" <fengguang.wu@intel.com>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"lkp@linux.intel.com" <lkp@linux.intel.com>,
	"axboe@kernel.dk" <axboe@kernel.dk>,
	"linux-fsdevel@vger.kernel.org" <linux-fsdevel@vger.kernel.org>
Subject: Re: [block:for-3.14/core] kernel BUG at fs/bio.c:1748
Date: Wed, 8 Jan 2014 20:16:43 +0000	[thread overview]
Message-ID: <1389212231.23310.33.camel@ret.masoncoding.com> (raw)
In-Reply-To: <CAFR8uefXjN_nzHWsTF=-PxNPDMWMj5Hw+ueFYQwa8-qBEGMGTw@mail.gmail.com>

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.

> Are you running the unmodified for-3.14/core or do you have local patches?
> 

It's for-3.14/core with my btrfs branch.  Basically rc7 instead of rc6
but no changes to the block layer.  I hadn't mounted btrfs yet.

-chris


  reply	other threads:[~2014-01-08 20:16 UTC|newest]

Thread overview: 25+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-01-02  5:31 [block:for-3.14/core] kernel BUG at fs/bio.c:1748 fengguang.wu
2014-01-02  5:31 ` fengguang.wu
2014-01-03 19:51 ` Muthu Kumar
2014-01-05  9:46   ` Fengguang Wu
2014-01-05 16:28     ` Muthu Kumar
2014-01-06  2:21       ` Fengguang Wu
2014-01-06 22:10   ` Kent Overstreet
2014-01-07  0:47     ` Muthu Kumar
2014-01-07  2:52       ` Kent Overstreet
2014-01-07  5:53       ` Fengguang Wu
2014-01-07 20:15         ` Muthu Kumar
2014-01-07 20:29           ` Chris Mason
2014-01-07 21:23             ` Muthu Kumar
2014-01-08 19:41               ` Chris Mason
2014-01-08 19:54                 ` Muthu Kumar
2014-01-08 20:16                   ` Chris Mason [this message]
2014-01-08 20:40                     ` Muthu Kumar
2014-01-08 20:51                       ` Chris Mason
2014-01-08 21:01                         ` Muthu Kumar
2014-01-08 21:11                           ` Chris Mason
2014-01-08 21:14                             ` Kent Overstreet
2014-01-08 21:18                               ` Muthu Kumar
2014-01-08 21:24                                 ` Kent Overstreet
2014-01-08 21:13           ` Chris Mason
2014-01-08 21:21             ` Jens Axboe

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