linux-kernel - Re: regression: disk error loop (panic?) ide_do_rw

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Date:	Tue, 17 Jul 2007 22:47:08 +0200
From:	"Michal Piotrowski" <michal.k.k.piotrowski@...il.com>
To:	"Giacomo Catenazzi" <cate@...eee.net>
Cc:	"Linux Kernel Mailing List" <linux-kernel@...r.kernel.org>
Subject: Re: regression: disk error loop (panic?) ide_do_rw_disk-bad:

Hi,

On 17/07/07, Giacomo Catenazzi <cate@...eee.net> wrote:
> Hello,
>
> last git changes to git give me the following error (repead very quickly):
>
> sector 14657019, nr/cmr 0/0
> bio f7b59280, biotail f7b59280, buffer 0000000, date 0000000, len 36
> ide_do_rw_disk-bad command: dev hda: type 2, flags 104c8
>
> [note: manually copied]
>
>
> I tried bisect:
>
>
> cate@...ee:~/kernel/6,v2.6/linux-2.6$ git bisect log
> # bad: [a5fcaa210626a79465321e344c91a6a7dc3881fa] Merge branch
> 'drm-patches' of
> ssh://master.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6
> # good: [8f41958bdd577731f7411c9605cfaa9db6766809] Merge
> git://git.infradead.org/battery-2.6
> git-bisect start 'a5fcaa21' '8f41958b'
> # good: [02b2318e07f98a7cdf7089a4457a8d62424aa824] Merge branch 'master'
> of master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6
> git-bisect good 02b2318e07f98a7cdf7089a4457a8d62424aa824
> # good: [f716a425c15ebadf60286cd4fb60d1d6f46e3cf9] [POWERPC] VIOTAPE:
> Use designated initializers for fops member structures.
> git-bisect good f716a425c15ebadf60286cd4fb60d1d6f46e3cf9
> # good: [14dc5249728ff699b1ca4dac01ad416a350a147a] Merge branch
> 'for-linus' of git://git.kernel.dk/data/git/linux-2.6-block
> git-bisect good 14dc5249728ff699b1ca4dac01ad416a350a147a
> # good: [c2dc1ad582196208a2f990eb0230eb922046c684] Merge branch
> 'drm-patches' of
> ssh://master.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6
> git-bisect good c2dc1ad582196208a2f990eb0230eb922046c684
> # good: [c5e3ae8823693b260ce1f217adca8add1bc0b3de] forcedeth bug fix:
> realtek phy
> git-bisect good c5e3ae8823693b260ce1f217adca8add1bc0b3de
> # good: [70584578ab3e940ac9d7820f268f9adc9884e407] [POWERPC] Check for
> NULL ppc_md.init_IRQ() before calling
> git-bisect good 70584578ab3e940ac9d7820f268f9adc9884e407
> # good: [bf22f6fe2d72b4d7e9035be8ceb340414cf490e3] Merge branch
> 'for-2.6.23' into merge
> git-bisect good bf22f6fe2d72b4d7e9035be8ceb340414cf490e3
> # bad: [f798634d806615bee27d1b83479034087a02aa0f] [SERIAL] SUNHV: Fix
> jerky console on LDOM guests.
> git-bisect bad f798634d806615bee27d1b83479034087a02aa0f
> # bad: [29417b899a77aaba1c060f5e123db4f50006f58a] Make BLK_DEV_BSG
> depend strictly on SCSI=y
> git-bisect bad 29417b899a77aaba1c060f5e123db4f50006f58a
>
> but last changeset don't compile (and it doesn't seem relevant).

Please read Linux Kernel Tester's Guide - 4.5 Binary searching with
the help of git-bisect
"git-reset --hard" hint.

http://www.stardust.webpages.pl/files/handbook/handbook-en-0.3-rc1.pdf

>
> ciao
>         cate

Regards,
Michal

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