On Wed, 13 May 2009 15:28:26 +0200
Bartlomiej Zolnierkiewicz <bzolnier@xxxxxxxxx> wrote:
> On Tuesday 12 May 2009 21:50:24 Andrey Gusev wrote:
> > On Mon, 27 Apr 2009 23:21:48 +0200
> > Bartlomiej Zolnierkiewicz <bzolnier@xxxxxxxxx> wrote:
> >
> > > On Monday 27 April 2009 22:36:45 Andrey Gusev wrote:
> > > > On Sat, 25 Apr 2009 16:48:38 +0200
> > > > Bartlomiej Zolnierkiewicz <bzolnier@xxxxxxxxx> wrote:
> > > >
> > > > >
> > > > > Hi,
> > > > >
> > > > > On Saturday 25 April 2009 15:02:03 Andrey Gusev wrote:
> > > > > > Hello!
> > > > > >
> > > > > > I have tested linux-2.6.30-rc3 on my system and find some
> > > > > > problems. One of them is delaying on initialization IDE
> > > > > > subsystem. I don't have this problem on 2.6.29.1. The
> > > > > > difference is looked on log of dmesg.
> > > > >
> > > > > Unfortunately this doesn't give us any hint about the root
> > > > > cause of the bug so please try narrowing the problem down to
> > > > > the specific change using git-bisect (sorry, there were 212
> > > > > drivers/ide/ commits during v2.6.29..v2.6.30-rc3 and much much
> > > > > more non-drivers/ide/ ones).
> > > > >
> > > > > Thanks,
> > > > > Bart
> > > > >
> > > >
> > > > Hello!
> > > >
> > > >
> > > > The full result of bisect is:
> > > >
> > > >
> > > > git bisect start
> > > > # good: [8e0ee43bc2c3e19db56a4adaa9a9b04ce885cd84] Linux 2.6.29
> > > > git bisect good 8e0ee43bc2c3e19db56a4adaa9a9b04ce885cd84
> > > > # bad: [091069740304c979f957ceacec39c461d0192158] Linux
> > > > 2.6.30-rc3 git bisect bad
> > > > 091069740304c979f957ceacec39c461d0192158 # good:
> > > > [40f07111be99b71c1e8d40c13cdc38445add787f] V4L/DVB (11166):
> > > > pvrusb2: Implement status fetching from sub-devices git bisect
> > > > good 40f07111be99b71c1e8d40c13cdc38445add787f # good:
> > > > [ba0e1ebb7ea0616eebc29d2077355bacea62a9d8] Staging: sxg:
> > > > slicoss: Specify the license for Sahara SXG and Slicoss drivers
> > > > git bisect good ba0e1ebb7ea0616eebc29d2077355bacea62a9d8
> > > >
> > > >
> > > > git bisect start 'drivers/ide/'
> > >
> > > Please note that limiting search space to drivers/ide/ may not
> > > give reliable results in case problem was introduced by some
> > > other kernel area.
> > >
> > > > # good: [ba0e1ebb7ea0616eebc29d2077355bacea62a9d8] Staging: sxg:
> > > > slicoss: Specify the license for Sahara SXG and Slicoss drivers
> > > > git bisect good ba0e1ebb7ea0616eebc29d2077355bacea62a9d8 # bad:
> > > > [091069740304c979f957ceacec39c461d0192158] Linux 2.6.30-rc3 git
> > > > bisect bad 091069740304c979f957ceacec39c461d0192158 # good:
> > > > [e01f251fd09fa7cb3d352eac7de17bb5d5bd1f9d] ide-cd: convert
> > > > cdrom_decode_status() to use switch statements git bisect good
> > > > e01f251fd09fa7cb3d352eac7de17bb5d5bd1f9d # good:
> > > > [3153c26b54230d025c6d536e8d3015def4524906] ide: refactor
> > > > tf_read() method git bisect good
> > > > 3153c26b54230d025c6d536e8d3015def4524906 # good:
> > > > [c018f1ee5cf81e58b93d9e93a2ee39cad13dc1ac] hpt366: fix HPT370
> > > > DMA timeouts git bisect good
> > > > c018f1ee5cf81e58b93d9e93a2ee39cad13dc1ac # bad:
> > > > [d5f840bf74c09ca5a31e518c9d984999926b5f44] ide: Remove void
> > > > casts git bisect bad d5f840bf74c09ca5a31e518c9d984999926b5f44 #
> > > > bad: [59c8d04f5ee97ea46da854e9adbbaa45d988c39d] hpt366: use
> > > > ATA_DMA_* constants git bisect bad
> > > > 59c8d04f5ee97ea46da854e9adbbaa45d988c39d
> > >
> > > Uhh.. something went wrong during bisect.
> > >
> > > "hpt366: use ATA_DMA_* constants" cannot be a first bad commit
> > > because hpt366 is not even used on this system.
> > >
> > > Could it be that the delay doesn't happen on every boot for "bad"
> > > kernels?
> > >
> > > Also, is 2.6.30-rc1 okay?
> > >
> > > Thanks,
> > > Bart
> > >
> >
> > Hello all!
> >
> > I continue to find reason of bug. I made more testing with bisect
> > and got result:
> >
> > git bisect start
> > # bad: [c018f1ee5cf81e58b93d9e93a2ee39cad13dc1ac] hpt366: fix
> > HPT370 DMA timeouts git bisect bad
> > c018f1ee5cf81e58b93d9e93a2ee39cad13dc1ac # good:
> > [fb4252e59452c18b88af014a2c4ee697bbf8cbc6] at91_ide: turn on PIO 6
> > support git bisect good fb4252e59452c18b88af014a2c4ee697bbf8cbc6 #
> > good: [2e1c63b7ed36532b68f0eddd6a184d7ba1013b89] Merge branch
> > 'for-rc1/xen/core' of
> > git://git.kernel.org/pub/scm/linux/kernel/git/jeremy/xen git bisect
> > good 2e1c63b7ed36532b68f0eddd6a184d7ba1013b89 # bad:
> > [cd97824994042b809493807ea644ba26c0c23290] Merge
> > git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6 git
> > bisect bad cd97824994042b809493807ea644ba26c0c23290 # bad:
> > [a2c252ebdeaab28c9b400570594d576dae295958] Merge
> > git://git.kernel.org/pub/scm/linux/kernel/git/steve/gfs2-2.6-fixes
> > git bisect bad a2c252ebdeaab28c9b400570594d576dae295958 # good:
> > [b897e6fbc49dd84b2634bca664344d503b907ce9] Merge branch
> > 'drm-intel-next' of
> > git://git.kernel.org/pub/scm/linux/kernel/git/anholt/drm-intel git
> > bisect good b897e6fbc49dd84b2634bca664344d503b907ce9 # good:
> > [dfbc4752eab33e66f113f9daa2effbe241cd661d] brd: support barriers
> > git bisect good dfbc4752eab33e66f113f9daa2effbe241cd661d # good:
> > [a23c218bd36e11120daf18e00a91d5dc20e288e6] Merge branch 'merge' of
> > git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc git
> > bisect good a23c218bd36e11120daf18e00a91d5dc20e288e6 # good:
> > [23da64b4714812b66ecf010e7dfb3ed1bf2eda69] Merge branch 'for-linus'
> > of git://git.kernel.dk/linux-2.6-block git bisect good
> > 23da64b4714812b66ecf010e7dfb3ed1bf2eda69 # good:
> > [a228df6339e0d385b8149c860d81b6007f5e9c81] GFS2: Move umount flush
> > rwsem git bisect good a228df6339e0d385b8149c860d81b6007f5e9c81 #
> > skip: [1328df725239804ae30fc7257c1a3185e679b517] GFS2: Use
> > DEFINE_SPINLOCK git bisect skip
> > 1328df725239804ae30fc7257c1a3185e679b517 # good:
> > [10d2198805d7faa2b193485446ff6b1de42c9b78] GFS2: cleanup
> > file_operations mess git bisect good
> > 10d2198805d7faa2b193485446ff6b1de42c9b78
> >
> > As I understand, I found bad commit, but it includes 5 commits. I
> > checked them and they are good. So, I did git checkout
> > a2c252ebdeaab28c9b400570594d576dae295958 and test one more time
> > this commit. I found that bag is unstable. The boot can be bad or
> > good on this commit. I compared dmesg of 'bad' and 'good' booting,
> > but it is equal till delay.
>
> Thanks for doing it.
>
> > Any suggestions?
>
> Hard to tell...
>
> I went through all commits in-between
>
> fb4252e59452c18b88af014a2c4ee697bbf8cbc6
>
> and
>
> a2c252ebdeaab28c9b400570594d576dae295958
>
> and there are no obvious candidates..
>
> Could you please refresh my memory and tell me whether 2.6.30-rc2 was
> OK?
>
It was ok, but I don't sure now. I tested only one boot, but this problem is not
stable. I am rechecking it.
I have added second hard drive and got new issue. May be this log (dmesg) can
tell you something. It is on first known 'bad commit'. 2.6.29.2 can't properly
initialize it too (got lost interrupt and disable dma).
[ 1.113901] Uniform Multi-Platform E-IDE driver
[ 1.120304] ide-pmac 0002:20:0d.0: enabling device (0000 -> 0002)
[ 1.123139] adb: starting probe task...
[ 1.125609] adb: finished probe task...
[ 2.147653] ide-pmac: Found Apple UniNorth ATA-6 controller (PCI), bus ID 3, irq 39
[ 2.152331] Probing IDE interface ide0...
[ 2.457825] hda: IBM-IC35L060AVVA07-0, ATA DISK drive
[ 2.817641] hdb: QUANTUM FIREBALLP LM20.5, ATA DISK drive
[ 66.660447] hda: host max PIO4 wanted PIO255(auto-tune) selected PIO4
[ 66.660624] hda: UDMA/100 mode selected
[ 66.663170] hdb: host max PIO4 wanted PIO255(auto-tune) selected PIO4
[ 66.663415] hdb: UDMA/66 mode selected
[ 66.666108] ide0 at 0xf1012000-0xf1012070,0xf1012160 on irq 39
[ 67.697640] ide-pmac: Found Apple KeyLargo ATA-4 controller (macio), bus ID 2, irq 19
[ 67.702368] Probing IDE interface ide1...
[ 131.867685] ide1 at 0xf100e000-0xf100e070,0xf100e160 on irq 19
[ 132.897559] ide-pmac: Found Apple KeyLargo ATA-3 controller (macio), bus ID 0, irq 20
[ 132.902273] Probing IDE interface ide2...
[ 196.898053] hde: PHILIPS CDD5101, ATAPI CD/DVD-ROM drive
[ 260.980668] hde: host max PIO4 wanted PIO255(auto-tune) selected PIO4
[ 260.981049] hde: MWDMA2 mode selected
[ 260.984269] ide2 at 0xf1016000-0xf1016070,0xf1016160 on irq 20
[ 260.989418] ide-gd driver 1.18
[ 260.991880] hda: max request size: 128KiB
[ 261.039649] hda: 120103200 sectors (61492 MB) w/1863KiB Cache, CHS=65535/16/63
[ 261.044690] hda: cache flushes supported
[ 261.047292] hda: [mac] hda1 hda2 hda3 hda4
[ 261.060150] hdb: max request size: 128KiB
[ 261.089788] hdb: 40132503 sectors (20547 MB) w/1900KiB Cache, CHS=39813/16/63
[ 261.092287] hdb: cache flushes not supported
[ 261.094754] hdb:<3>ide-pmac lost interrupt, dma status: 8480
[ 281.089717] hdb: lost interrupt
[ 281.092085] hdb: dma_intr: status=0x58 { DriveReady SeekComplete DataRequest }
[ 281.097038] ide: failed opcode was: unknown
[ 281.101900] hda: DMA disabled
[ 281.104247] hdb: DMA disabled
[ 281.187260] ide0: reset: success
[ 281.230368] hdb1 hdb2 < hdb5 hdb6 hdb7 hdb8 >
[ 281.285486] ide-cd driver 5.00
[ 281.297481] ide-cd: hde: ATAPI 32X DVD-ROM CD-R/RW drive, 8192kB Cache
[ 281.299687] Uniform CD-ROM driver Revision: 3.20
--
To unsubscribe from this list: send the line "unsubscribe linux-ide" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
