From: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
To: Fengguang Wu <fengguang.wu@intel.com>
Cc: linux-ide@vger.kernel.org, Borislav Petkov <bp@alien8.de>,
"David S. Miller" <davem@davemloft.net>,
Linus Torvalds <torvalds@linux-foundation.org>,
Jens Axboe <axboe@kernel.dk>,
Bart Van Assche <bart.vanassche@sandisk.com>,
linux-kernel@vger.kernel.org
Subject: Re: [cdrom_check_status] BUG: unable to handle kernel NULL pointer dereference at 000001c0
Date: Wed, 08 Nov 2017 17:50:41 +0100 [thread overview]
Message-ID: <2347287.gTWU6fzh5s@amdc3058> (raw)
In-Reply-To: <7885793.0mqNGdeUvE@amdc3058>
On Wednesday, November 08, 2017 05:28:16 PM Bartlomiej Zolnierkiewicz wrote:
> we can see that for some reason PIIX PCI IDE controller is probed
> twice and later when we attach ide-cd driver to both instances of hdc
> (in parallel) it ends up badly..
Actually it ends up badly later (I don't know exactly yet how we get
into this situation but this is not that important as we know that
the root problem starts much earlier with the double probe of PCI IDE
host controller)..
Best regards,
--
Bartlomiej Zolnierkiewicz
Samsung R&D Institute Poland
Samsung Electronics
next prev parent reply other threads:[~2017-11-08 16:50 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <CGME20171108162818epcas2p25c73e1093a9d8f20d9efb2f3cd469b45@epcas2p2.samsung.com>
2017-11-07 10:25 ` [cdrom_check_status] BUG: unable to handle kernel NULL pointer dereference at 000001c0 Fengguang Wu
2017-11-07 10:43 ` Borislav Petkov
2017-11-07 13:06 ` Fengguang Wu
2017-11-07 14:01 ` Borislav Petkov
2017-11-07 16:01 ` Linus Torvalds
2017-11-07 16:37 ` [PATCH] drivers/ide-cd: Handle missing driver data during status check gracefully Borislav Petkov
2017-11-07 17:13 ` Linus Torvalds
2017-11-08 0:08 ` David Miller
2017-11-07 16:34 ` [cdrom_check_status] BUG: unable to handle kernel NULL pointer dereference at 000001c0 Fengguang Wu
2017-11-07 16:29 ` Bart Van Assche
2017-11-08 16:28 ` Bartlomiej Zolnierkiewicz
2017-11-08 16:50 ` Bartlomiej Zolnierkiewicz [this message]
2017-11-08 18:09 ` Bartlomiej Zolnierkiewicz
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