On Thu, Mar 13, 2008 at 10:43 AM, Richard Genoud
<richard.genoud@xxxxxxxxx> 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@xxxxxxxxx>
> 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@xxxxxxxxx>
> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@xxxxxxxxx>
>
> :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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