linux-kernel - Re: [BUG] PLEXTOR DVDR PX-740A drive not ready for command

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Date:	Thu, 13 Mar 2008 10:55:48 +0100
From:	"Boris Petkov" <petkovbb@...glemail.com>
To:	"Richard Genoud" <richard.genoud@...il.com>
Cc:	bzolnier@...il.com, linux-ide@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [BUG] PLEXTOR DVDR PX-740A drive not ready for command

On Thu, Mar 13, 2008 at 10:43 AM, Richard Genoud
<richard.genoud@...il.com> wrote:
> Hi!
>  On ubuntu bug tracker, there's some bug reports about DVD drives that don't respond anymore.
>
>  The affected drives are:
>  PLEXTOR DVDR PX-740A
>  BENQ DVD DD DW1620
>  PHILIPS DVDR14P
>  SS-SAMSUNG SCR-3232
>  Matsushita SR-8584-B
>  (for now)
>
>  the error message is :
>  hda: status error: error=0x00 { }
>  ide: failed opcode was: unknown
>  hda: drive not ready for command
>  hda: status error: status 0x59 { DriveReady SeekComplete DataRequest Error }
>
>  more details on the ubuntu bug-tracker:
>  https://bugs.launchpad.net/bugs/179336
>  https://bugs.launchpad.net/bugs/182996
>  https://bugs.launchpad.net/bugs/181561
>
>  I bisect to find out where the bug was and I found that this commit is:
>
>  b140b99c413ce410197cfcd4014e757cd745226a is first bad commit
>  commit b140b99c413ce410197cfcd4014e757cd745226a
>  Author: Bartlomiej Zolnierkiewicz <bzolnier@...il.com>
>  Date:   Sat Oct 13 17:47:51 2007 +0200
>
>     ide: change master/slave IDENTIFY order
>
>     Need to probe slave device first to make it release PDIAG-
>     (this is required for correct device side cable detection).
>
>     Based on libata commit f31f0cc2f0b7527072d94d02da332d9bb8d7d94c.
>
>     Thanks to Craig for testing this patch.
>
>     Cc: Craig Block <chblock3@...oo.com>
>     Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@...il.com>
>
>  :040000 040000 fa17f9e66a6e551184b1ec00049cea6fb87f7a1c 89a175312afe235fbdb04a3a593a4b981bdd9188 M      drivers
>
>
>
>  The bisect log is:
>
>  git-bisect start
>  # good: [bbf25010f1a6b761914430f5fca081ec8c7accd1] Linux 2.6.23
>  git-bisect good bbf25010f1a6b761914430f5fca081ec8c7accd1
>  # bad: [c9927c2bf4f45bb85e8b502ab3fb79ad6483c244] Linux 2.6.24-rc1

Have you tried a more recent kernel? Your bisection interval is .23 and .24-rc1,
and a lot of code went into ide after that. However, you should try to
avoid 2.6.24
since ide-cd was broken there. I'd go with 2.6.25-rc5, for example.

>  git-bisect bad c9927c2bf4f45bb85e8b502ab3fb79ad6483c244
>  # bad: [9ac52315d4cf5f561f36dabaf0720c00d3553162] sched: guest CPU accounting: add guest-CPU /proc/<pid>/stat fields
>  git-bisect bad 9ac52315d4cf5f561f36dabaf0720c00d3553162
>  # good: [038a5008b2f395c85e6e71d6ddf3c684e7c405b0] Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6
>  git-bisect good 038a5008b2f395c85e6e71d6ddf3c684e7c405b0
>  # good: [782e3b3b3804c38d5130c7f21d7ec7bf6709023f] Fix up more bio fallout
>  git-bisect good 782e3b3b3804c38d5130c7f21d7ec7bf6709023f
>  # good: [1b9778dae71dc64d3678d766c0f1fbed79c80f9f] KVM: Keep track of missed timer irq injections
>  git-bisect good 1b9778dae71dc64d3678d766c0f1fbed79c80f9f
>  # bad: [bcd11eaa222fce31d0b59cdbfdf9b8c47067f15a] Merge git://git.kernel.org/pub/scm/linux/kernel/git/bart/ide-2.6
>  git-bisect bad bcd11eaa222fce31d0b59cdbfdf9b8c47067f15a
>  # good: [c5d6471ff9172e4d8f7a5b484b459c56904ae1f0] fallout from DECLARE_MAC_BUF patches
>  git-bisect good c5d6471ff9172e4d8f7a5b484b459c56904ae1f0
>  # good: [59d8235be2ab38ddaffbe9137385095a5e8b0a77] [JFFS2] Fix unpoint length
>  git-bisect good 59d8235be2ab38ddaffbe9137385095a5e8b0a77
>  # good: [3749c66c67fb5c257771815c186bc32290cacf44] Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/avi/kvm
>  git-bisect good 3749c66c67fb5c257771815c186bc32290cacf44
>  # bad: [b9d9e61abb85ecf4e4aa55328b21eac17840a3fb] sgiioc4: add missing ->dma_base check
>  git-bisect bad b9d9e61abb85ecf4e4aa55328b21eac17840a3fb
>  # good: [aedea5910ce44fea79e2c517bb22e0006372156f] ide-pmac: remove pmac_ide_do_setfeature() (take 2)
>  git-bisect good aedea5910ce44fea79e2c517bb22e0006372156f
>  # good: [249aa4ff1778b318346d8ba4a7fa62c169a29410] cs5535: check ide_config_drive_speed() return value
>  git-bisect good 249aa4ff1778b318346d8ba4a7fa62c169a29410
>  # bad: [b140b99c413ce410197cfcd4014e757cd745226a] ide: change master/slave IDENTIFY order
>  git-bisect bad b140b99c413ce410197cfcd4014e757cd745226a
>  # good: [88b2b32babd46cd54d2de4d17eb869aea3383e11] ide: move ide_config_drive_speed() calls to upper layers (take 2)
>  git-bisect good 88b2b32babd46cd54d2de4d17eb869aea3383e11
>
>  If you need me to do some more tests, just ask.
>
>  regards,
>
>  Richard Genoud.
>
>
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-- 
Regards/Gruß,
Boris
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