From: Jens Axboe <axboe@fb.com>
To: lkp@lists.01.org
Subject: Re: [blk] 1131f64d74: BUG: unable to handle kernel NULL pointer dereference at 0000000000000008
Date: Fri, 01 Apr 2016 08:08:06 -0600 [thread overview]
Message-ID: <56FE80C6.3090206@fb.com> (raw)
In-Reply-To: <874mblhgcb.fsf@yhuang-dev.intel.com>
[-- Attachment #1: Type: text/plain, Size: 1791 bytes --]
On 04/01/2016 02:40 AM, kernel test robot wrote:
> FYI, we noticed the below changes on
>
> https://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux-block.git wb-buf-throttle
> commit 1131f64d74958d495d8a6d5f9b981e86ed3beb7a ("blk-mq: don't throttle for virtual devices")
>
>
> +------------------------------------------+------------+------------+
> | | f21fb0e42c | 1131f64d74 |
> +------------------------------------------+------------+------------+
> | boot_successes | 6 | 0 |
> | boot_failures | 0 | 6 |
> | BUG:unable_to_handle_kernel | 0 | 6 |
> | Oops | 0 | 6 |
> | RIP:blk_wb_wait | 0 | 6 |
> | Kernel_panic-not_syncing:Fatal_exception | 0 | 6 |
> | backtrace:init | 0 | 6 |
> | backtrace:kernel_init_freeable | 0 | 6 |
> +------------------------------------------+------------+------------+
>
>
>
> [ 8.897469] FDC 0 is a S82078B
> [ 8.984074] brd: module loaded
> [ 9.030737] loop: module loaded
> [ 9.045718] BUG: unable to handle kernel NULL pointer dereference at 0000000000000008
> [ 9.048069] IP: [<ffffffff815336b0>] blk_wb_wait+0x5/0x174
Fixed:
http://git.kernel.dk/cgit/linux-block/commit/?h=wb-buf-throttle&id=811ea72827a70139a0520ec07b39d6a4baa62de1
it was introduced by this commit:
http://git.kernel.dk/cgit/linux-block/commit/?h=wb-buf-throttle&id=1131f64d74958d495d8a6d5f9b981e86ed3beb7a
and both will be folded for the next release.
--
Jens Axboe
WARNING: multiple messages have this Message-ID (diff)
From: Jens Axboe <axboe@fb.com>
To: kernel test robot <ying.huang@linux.intel.com>
Cc: <lkp@01.org>, LKML <linux-kernel@vger.kernel.org>
Subject: Re: [lkp] [blk] 1131f64d74: BUG: unable to handle kernel NULL pointer dereference at 0000000000000008
Date: Fri, 1 Apr 2016 08:08:06 -0600 [thread overview]
Message-ID: <56FE80C6.3090206@fb.com> (raw)
In-Reply-To: <874mblhgcb.fsf@yhuang-dev.intel.com>
On 04/01/2016 02:40 AM, kernel test robot wrote:
> FYI, we noticed the below changes on
>
> https://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux-block.git wb-buf-throttle
> commit 1131f64d74958d495d8a6d5f9b981e86ed3beb7a ("blk-mq: don't throttle for virtual devices")
>
>
> +------------------------------------------+------------+------------+
> | | f21fb0e42c | 1131f64d74 |
> +------------------------------------------+------------+------------+
> | boot_successes | 6 | 0 |
> | boot_failures | 0 | 6 |
> | BUG:unable_to_handle_kernel | 0 | 6 |
> | Oops | 0 | 6 |
> | RIP:blk_wb_wait | 0 | 6 |
> | Kernel_panic-not_syncing:Fatal_exception | 0 | 6 |
> | backtrace:init | 0 | 6 |
> | backtrace:kernel_init_freeable | 0 | 6 |
> +------------------------------------------+------------+------------+
>
>
>
> [ 8.897469] FDC 0 is a S82078B
> [ 8.984074] brd: module loaded
> [ 9.030737] loop: module loaded
> [ 9.045718] BUG: unable to handle kernel NULL pointer dereference at 0000000000000008
> [ 9.048069] IP: [<ffffffff815336b0>] blk_wb_wait+0x5/0x174
Fixed:
http://git.kernel.dk/cgit/linux-block/commit/?h=wb-buf-throttle&id=811ea72827a70139a0520ec07b39d6a4baa62de1
it was introduced by this commit:
http://git.kernel.dk/cgit/linux-block/commit/?h=wb-buf-throttle&id=1131f64d74958d495d8a6d5f9b981e86ed3beb7a
and both will be folded for the next release.
--
Jens Axboe
next prev parent reply other threads:[~2016-04-01 14:08 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-04-01 8:40 [blk] 1131f64d74: BUG: unable to handle kernel NULL pointer dereference at 0000000000000008 kernel test robot
2016-04-01 8:40 ` [lkp] " kernel test robot
2016-04-01 14:08 ` Jens Axboe [this message]
2016-04-01 14:08 ` Jens Axboe
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=56FE80C6.3090206@fb.com \
--to=axboe@fb.com \
--cc=lkp@lists.01.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.