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Old 06-06-2010, 09:07 PM
Ben Hutchings
 
Default Bug#584784: also applies to unstable

On Sun, 2010-06-06 at 19:38 +0200, Willi Mann wrote:
> found 584784 2.6.32-15
> thanks
>
> Hi!
>
> Unfortunately, this bug also applies to unstable, only current testing
> kernel is unaffected.

The test that produces the message:

"Kernel panic - not syncing: To avoid data corruption io_map_base MUST
be set with multiple PCI domains."

has been applied on all PCI MIPS systems since Linux 2.6.24. Are you
quite sure that this was introduced by the kernel upgrade and not a qemu
upgrade.

Ben.

--
Ben Hutchings
Once a job is fouled up, anything done to improve it makes it worse.
 
Old 06-07-2010, 01:44 AM
Ben Hutchings
 
Default Bug#584784: also applies to unstable

On Sun, 2010-06-06 at 23:18 +0200, Willi Mann wrote:
> > "Kernel panic - not syncing: To avoid data corruption io_map_base MUST
> > be set with multiple PCI domains."
> >
> > has been applied on all PCI MIPS systems since Linux 2.6.24. Are you
> > quite sure that this was introduced by the kernel upgrade and not a qemu
> > upgrade.
>
> Yes, I didn't change the qemu version, it's really only the kernel that
> changed.
>
> Attached is the dmesg output of the working kernel, version 2.6.32-9.

OK, it looks like this is due to an botched switch from IDE to libata
drivers on MIPS. The qemu emulated HD controller is now being handled
by the ide-generic driver whereas it should have been switched from piix
to ata_piix, and ide-generic triggers this panic for reasons I don't
fully understand.

This will get fixed, but not immediately.

Ben.

--
Ben Hutchings
Once a job is fouled up, anything done to improve it makes it worse.
 
Old 06-07-2010, 05:59 PM
Willi Mann
 
Default Bug#584784: also applies to unstable

Am 2010-06-07 03:44, schrieb Ben Hutchings:
> On Sun, 2010-06-06 at 23:18 +0200, Willi Mann wrote:
>>> "Kernel panic - not syncing: To avoid data corruption io_map_base MUST
>>> be set with multiple PCI domains."
>>>
>>> has been applied on all PCI MIPS systems since Linux 2.6.24. Are you
>>> quite sure that this was introduced by the kernel upgrade and not a qemu
>>> upgrade.
>>
>> Yes, I didn't change the qemu version, it's really only the kernel that
>> changed.
>>
>> Attached is the dmesg output of the working kernel, version 2.6.32-9.
>
> OK, it looks like this is due to an botched switch from IDE to libata
> drivers on MIPS. The qemu emulated HD controller is now being handled
> by the ide-generic driver whereas it should have been switched from piix
> to ata_piix, and ide-generic triggers this panic for reasons I don't
> fully understand.
>
> This will get fixed, but not immediately.

OK. As long as it gets fixed before the release... Should we notify the
d-i people so that they can put a note on the errata page?

Though I wonder why the BTS did not fully process my "found" command. It
still only marks the version in experimental as affected.

WM



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Old 06-07-2010, 07:43 PM
Ben Hutchings
 
Default Bug#584784: also applies to unstable

On Mon, 2010-06-07 at 19:59 +0200, Willi Mann wrote:
> Am 2010-06-07 03:44, schrieb Ben Hutchings:
> > On Sun, 2010-06-06 at 23:18 +0200, Willi Mann wrote:
> >>> "Kernel panic - not syncing: To avoid data corruption io_map_base MUST
> >>> be set with multiple PCI domains."
> >>>
> >>> has been applied on all PCI MIPS systems since Linux 2.6.24. Are you
> >>> quite sure that this was introduced by the kernel upgrade and not a qemu
> >>> upgrade.
> >>
> >> Yes, I didn't change the qemu version, it's really only the kernel that
> >> changed.
> >>
> >> Attached is the dmesg output of the working kernel, version 2.6.32-9.
> >
> > OK, it looks like this is due to an botched switch from IDE to libata
> > drivers on MIPS. The qemu emulated HD controller is now being handled
> > by the ide-generic driver whereas it should have been switched from piix
> > to ata_piix, and ide-generic triggers this panic for reasons I don't
> > fully understand.
> >
> > This will get fixed, but not immediately.
>
> OK. As long as it gets fixed before the release... Should we notify the
> d-i people so that they can put a note on the errata page?

I'm cc'ing this to the d-i mailing list.

> Though I wonder why the BTS did not fully process my "found" command. It
> still only marks the version in experimental as affected.

No it doesn't. You may be looking at a cached version of the page.

Ben.

--
Ben Hutchings
Once a job is fouled up, anything done to improve it makes it worse.
 

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