> Hi there.
>
> I got an interesting kernel panic, while trying to mount a
> Solaris-mistreated partition (a partition where I _tried_ to install
> solaris x86, but never went through..).
>
> Mar 21 22:35:55 sicel-home-1-4 kernel: EXT2-fs warning: mounting unchecked fs, running e2fsck is recommendedMar 21 22:35:55 sicel-home-1-4 kernel: attempt to access beyond end of device
> Mar 21 22:35:55 sicel-home-1-4 kernel: 08:11: rw=0, want=516102, limit=515297
> Mar 21 22:35:55 sicel-home-1-4 kernel: Kernel panic: EXT2-fs panic (device 08:11): read_block_bitmap: Cannot read block bitmap - block_group = 63, block_bitmap = 516101
> Mar 21 22:35:55 sicel-home-1-4 kernel:
*Ahem.* Last time I checked, Solaris doesn't use EXT2 filesystems. :) Try
UFS. Better yet, try mke2fs. :)
> This lock the kernel, and its 100% reproducible.
> Sure, they are some weird bit sequence on this partition, since the
> installation of solaris seem to have touched it, but this does not
> explain a kernel panic. I use mount 2.6d-1 (that come with one of the
> latest debian "unstable" snapshot), was root when doing that, have
> kernel pre-2.0.30 with msr patch, libc-5.4.23-2, kernel compiled with
> 2.7.2.1-7, p5-166, 32MB ram blah blah blah.. Last time that I ran memtest,
> it was fine, so don't come to me saying "He, this must be a bad simm's" :)
> CPU fan is running at full speed :)
No, these wouldn't be the cause of your problem. The reason is that ext2fs
doesn't know how to deal with really corrupted or foreign filesystems, and
barfs.
> The disk where lye this faulty partition works pretty well, I will keep it
> this way for further investigation. Someone with a good knowledge of EXT-2
> could be helpful..
Not if we're not dealing with an EXT2 filesystem...
>
> Regards, Philippe.
>
> ----
> Philippe Strauss, Telecom engineer.
> PGP key: finger philou@sicel-home-1-4.urbanet.ch
>
> Email: <philou@sicel-home-1-4.urbanet.ch>
> Homepage: http://sicel-home-1-4.urbanet.ch
>
> "Death can come quickly to a market leader."
> -- Bill Gates, "The Road Ahead"
> ----
>
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| Nathan Bryant | Unsolicited commercial e-mail WILL be |
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