[parisc-linux] IDE cdrom crash when trying to mount it on C3600/B2K

[parisc-linux] IDE cdrom crash when trying to mount it on C3600/B2K

[Guy Martin]

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Hello guys,


I have experienced a really bad bug when trying to create a installation
cd for gentoo. When I try to mount a ide cd I only have this :


hope root # mount /dev/hda /mnt/cdrom/
Kernel panic - not syncing: Kernel Fault


There is no stack trace or anything else.

It only happends when trying to read on the cd. Reading the cdrom
parameters works fine. This is of course with DMA disabled.
Trying to read a single block with dd also crash the box.

I'm not the only one who experienced this. I have reports from several
people with several kernels from 2.6.10-pa11 to the latest one. I don't
know about the older kernels.

I don't have the skills to fix this. I would be really happy if someone
could have a look at this since ide cdrom support is kinda required for
install cdrom :)

If you need more info, I'd be glad to provide it.


TIA

-- 
Guy Martin
Gentoo Linux - HPPA port Lead / IPv6 team


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Re: [parisc-linux] IDE cdrom crash when trying to mount it on C3600/B2K

[Max Grabert]

On 4/29/05, Guy Martin <gmsoft@gentoo.org> wrote:
> Hello guys,
>=20
> I have experienced a really bad bug when trying to create a installation
> cd for gentoo. When I try to mount a ide cd I only have this :
>=20
> hope root # mount /dev/hda /mnt/cdrom/
> Kernel panic - not syncing: Kernel Fault

This is a known problem, search the p-l m-l.
It only happens with the ide-cd driver, so try to use
ide-scsi instead ... "works for me" (tm).

Greetings, Max
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