From: Maciej Rutecki <maciej.rutecki@gmail.com>
To: Shaun Ruffell <sruffell@digium.com>
Cc: Jens Axboe <jaxboe@fusionio.com>, linux-kernel@vger.kernel.org
Subject: Re: [2.6.39-rc2][bisected] Constant DISK_MEDIA_CHANGE_EVENTS from CDROM drive.
Date: Fri, 15 Apr 2011 19:13:38 +0200 [thread overview]
Message-ID: <201104151913.38841.maciej.rutecki@gmail.com> (raw)
In-Reply-To: <20110408201513.GA3040@digium.com>
I created a Bugzilla entry at
https://bugzilla.kernel.org/show_bug.cgi?id=33342
for your bug report, please add your address to the CC list in there, thanks!
On piątek, 8 kwietnia 2011 o 22:15:13 Shaun Ruffell wrote:
> Running with 2.6.39-rc2 on a CentOS 5.5 installation with a "IDE interface:
> Intel Corporation 82801CA Ultra ATA Storage Controller (rev 02)"
> (8086:248b), I've noticed constant DISK_MEDIA_CHANGE uevents. In my
> kernel log:
>
> [ 1107.530699] kobject: 'hda' (f5372610): fill_kobj_path: path =
> '/block/hda' [ 1109.580559] kobject: 'hda' (f5372610): kobject_uevent_env
> [ 1109.580594] kobject: 'hda' (f5372610): fill_kobj_path: path =
> '/block/hda' [ 1111.630560] kobject: 'hda' (f5372610): kobject_uevent_env
> [ 1111.630595] kobject: 'hda' (f5372610): fill_kobj_path: path =
> '/block/hda' [ 1113.680560] kobject: 'hda' (f5372610): kobject_uevent_env
>
> And from udevmonitor --env:
>
> UEVENT[1302291995.789487] change@/block/hda
> ACTION=change
> DEVPATH=/block/hda
> SUBSYSTEM=block
> DISK_MEDIA_CHANGE=1
> MAJOR=3
> MINOR=0
> DEVNAME=hda
> DEVTYPE=disk
> SEQNUM=1318
>
> I bisected it down to 929e27252e8ca69363f81f26af5eaba62cb4c572 'ide:
> ide_requeue_and_plug() reinstate "always plug" behaviour'
>
> I haven't yet looked into how that change would result in the change in
> behavior I'm seeing but I thought I would let you know sooner rather than
> leter in case this is something that is already known.
> --
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--
Maciej Rutecki
http://www.maciek.unixy.pl
next prev parent reply other threads:[~2011-04-15 17:13 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-04-08 20:15 [2.6.39-rc2][bisected] Constant DISK_MEDIA_CHANGE_EVENTS from CDROM drive Shaun Ruffell
2011-04-15 17:13 ` Maciej Rutecki [this message]
2011-04-16 18:25 ` Jens Axboe
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