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SubjectRe: kernel BUG at block_dev.c:426!
On Sun, Mar 19 2000, Rik Faith wrote:
> Mounting a CDR containing an ext2 file system under 2.3.51 fails (mount -t
> ext2 /dev/cdrom /cdrom). This same CDR works fine under 2.0.36. The block
> size for the ext2fs file system on the CDR is 1024 bytes (this allows the
> CDR to store more small files than an ISO9660 file system can store using
> the normal 2k block size). Below are the messages logged and the output of
> ksymoops.
>
> Thanks, Rik
>
> Mar 18 18:33:07 light kernel: VFS: Unsupported blocksize on dev sr(11,0).
> Mar 18 18:33:07 light kernel: kernel BUG at block_dev.c:426!

This is actually two problems in one. The latter (BUG) is solved in
kernels later than 2.3.51, but the block size thing is not. This was
introduced when Eric did some of his SCSI rewrite work, I had a patch
to solve that at that time, but then we settled for a quick 2KB only
block size solution. I'll try and locate the old patch and adapt it.

--
* Jens Axboe <axboe@suse.de>
* Linux CD-ROM Maintainer
* http://www.kernel.dk

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