Re: 2.5.70-bk10 oops when trying to mount root from raid-1 device

From: Andrew Morton (
Date: Fri Jun 06 2003 - 02:22:25 EST

Helge Hafting <> wrote:
> 2.5.70-bk10 has some raid fixes, but raid-1 still fails unlike
> 2.5.70-mm4.
> bk10 successfully discovers raid-1 and raid-0 arrays,
> but this happens when the kernel tries to mount root:
> <lots of ordinary boot messages>
> md ... autorun DONE
> <this is where I normally get VFS: Mounted root (ext2 filesystem) readonly.
> I got this instead:>
> unable to handle kernel paging request at 5a5a5a86

This is "use of uninitialised memory". 0x6b6b6b6b is "use of freed memory".

It's supposed to be that way in Linus's tree too, but I screwed it up.

> EIP at put_all_bios+0x047/0x80

I'd be suspecting that the write_bios[] array isn't being memset somewhere.

                struct bio **bio = r1_bio->write_bios + i;

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This archive was generated by hypermail 2b29 : Sat Jun 07 2003 - 22:00:29 EST