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From: Borislav Petkov <petkov@uni-muenster.de>
To: Jens Axboe <axboe@suse.de>
Subject: Re: Fw: Re: 2.6.9-rc2-mm4
Date: Fri, 1 Oct 2004 20:42:00 +0200
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Cc: Bartlomiej Zolnierkiewicz <bzolnier@elka.pw.edu.pl>,
       Andrew Morton <akpm@osdl.org>, Alan Cox <alan@lxorguk.ukuu.org.uk>,
       Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
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On Friday 01 October 2004 13:03, Borislav Petkov wrote:
> On Friday 01 October 2004 12:34, Borislav Petkov wrote:
> > On Friday 01 October 2004 11:54, Jens Axboe wrote:
> > > On Fri, Oct 01 2004, Borislav Petkov wrote:
> > > > On Friday 01 October 2004 11:18, Jens Axboe wrote:
> > > > > On Fri, Oct 01 2004, Bartlomiej Zolnierkiewicz wrote:
> > > > > > On Thursday 30 September 2004 23:46, Borislav Petkov wrote:
> > > > > > > On Thursday 30 September 2004 18:25, Bartlomiej Zolnierkiewicz
> >
> > wrote:
> > > > > > > > On Thursday 30 September 2004 17:32, Borislav Petkov wrote:
> > > > > > > > > On Thursday 30 September 2004 14:52, Bartlomiej
> > > > > > > > > Zolnierkiewicz
> > > >
> > > > wrote:
> > > > > > > > > > On Thursday 30 September 2004 06:46, Andrew Morton wrote:
> > > > > > > > > > > ide broke :(   Maybe Bart's bk tree?
> > > > > > > > > >
> > > > > > > > > > no, disk works just fine ;)  If it is my tree I will
> > > > > > > > > > happilly fix it.
> > > > > > > > > >
> > > > > > > > > > Borislav, could you apply only these patches from -mm4
> > > > > > > > > > and retest?
> > > > > > > > > >
> > > > > > > > > > linus.patch
> > > > > > > > > > bk-ide-dev.patch
> > > > > > > > > >
> > > > > > > > > > > Begin forwarded message:
> > > > > > > > > > >
> > > > > > > > > > > Date: Wed, 29 Sep 2004 12:43:35 +0200
> > > > > > > > > > > From: Borislav Petkov <petkov@uni-muenster.de>
> > > > > > > > > > > To: Andrew Morton <akpm@osdl.org>
> > > > > > > > > > > Cc: linux-kernel@vger.kernel.org
> > > > > > > > > > > Subject: Re: 2.6.9-rc2-mm4
> > > > > > > > > > >
> > > > > > > > > > >
> > > > > > > > > > > <snip>
> > > > > > > > > > >
> > > > > > > > > > > Hello,
> > > > > > > > > > >  I've already posted about problems with audio
> > > > > > > > > > > extraction but it went unnoticed. Here's a recount:
> > > > > > > > > > > When I attempt to read an audio cd into wavs with
> > > > > > > > > > > cdda2wav, the process starts but after a while the
> > > > > > > > > > > completion meter freezes and klogd says "hdc: lost
> > > > > > > > > > > interrupt" and cdda2wav hangs itself. Disabling DMA
> > > > > > > > > > > doesn't help as well as the boot option "pci=routeirq"
> > > > > > > > > > > too. Older kernels like 2.6.7 do not show such behavior
> > > > > > > > > > > and there audio extraction runs fine. Sysinfo attached.
> > > > > > > > > > >
> > > > > > > > > > > Regards,
> > > > > > > > > > > Boris.
> > > > > > > > >
> > > > > > > > > Hi people,
> > > > > > > > >
> > > > > > > > >  well, I've applied the above patches but no change - same
> > > > > > > > > "hdc: lost interrupt" message. 2.6.9-rc3 behaves the same,
> > > > > > > > > as expected.
> > > > > > > >
> > > > > > > > Well, if 2.6.9-rc3 fails then it is not my tree...
> > > > > > > >
> > > > > > > > Please find kernel version which introduces this bug.
> > > > > > >
> > > > > > > Just compiled 2.6.8.1 and tested audio extraction. The bug is
> > > > > > > there. After that, reran the test with 2.6.7. Everything went
> > > > > > > fine. So it must have been between 2.6.7 and 2.6.8.1 when the
> > > > > > > bug got introduced. Any additional debugging options in the
> > > > > > > ATA/IDE cd driver i could turn on so that I could get more
> > > > > > > verbose messages while executing cdda2wav?
> > > > > >
> > > > > > I'm not aware of any.  Jens?
> > > > >
> > > > > I don't see any changes that could impact this from 2.6.7 to 2.6.8.
> > > > > We tightened the dma alignment (from 4 to 32 bytes), but should not
> > > > > cause problems going in that direction. Unless the other path is
> > > > > buggy, of course.
> > > > >
> > > > > Does dma make a difference? Please try 2.6.9-rc3 as well.
> > > >
> > > > Sorry guys,
> > > >
> > > > still a no go. Tested today 2.6.8.1 and 2.6.9-rc3 both with DMA
> > > > on/off. same lost interrupt message. How about a hardware problem?
> > > > Maybe the cd-drive is showing some hidden "features" under certain
> > > > conditions, although it is highly unlikely since 2.6.7 runs fine.
> > > > strange...
> > >
> > > I can't say, probably you need to look outside of ide changes to locate
> > > the problem. Have you tried disabling acpi on your box?
> >
> > I'm not sure whether adding the boot option acpi=off is enough to disable
> > ACPI in 2.6, but if this is the case 2.6.9-rc3 is still a no go with acpi
> > disabled. How about APIC?
>
> After booting with "acpi=off noapic", I found something that might bring us
> further:
>
> <snip>
> PCI: Probing PCI hardware
> PCI: Probing PCI hardware (bus 00)
> PCI: Ignoring BAR0-3 of IDE controller 0000:00:1f.1
> PCI: Transparent bridge - 0000:00:1e.0 <----
> PCI: Using IRQ router PIIX/ICH [8086/24c0] at 0000:00:1f.0
> PCI: IRQ 0 for device 0000:00:1f.1 doesn't match PIRQ mask - try
> pci=usepirqmask PCI: Found IRQ 5 for device 0000:00:1f.1
> PCI: Sharing IRQ 5 with 0000:00:1d.2
> </snip>
>
> Well, 0000:00:1f.0 is the IDE controller so later today I'll try the
> pci=usepirqmask boot option. Comments?
>

Still no luck with different boot options. Beginning to test the 2.6.8-rc 
series...

Boris.
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