Re: Linux 2.4 Status

From: Bernd Kischnick (kisch@gmx.li)
Date: Wed Aug 09 2000 - 09:14:54 EST

> On Wed, 9 Aug 2000, Bernd Kischnick wrote:
>
> > >
> > > Linux 2.4 Status/TODO Page
> > >
> > > Last modified: [tytso:20000809.0128EDT]
> > [...]
> > > Fix Exists But Isnt Merged
> > [...]
> > > * HFS is still broken
> >
> > I supplied the patch, and I've found it merged since 2.4.0-test2.
> > So you can move that to "Fixed".
>
> The current HFS code doesn't work with HFS-formatted CD-ROM with 2k
> block
> size. I do not really know if it's HFS fs' fault or not, though.
> Attempts to mount a 2k-block HFS formated CD-ROM produce the following
> kernel message on 2.4.0-test5:
>
> Aug 9 08:49:03 localhost kernel: sr.c:Bad 2K block number requested (2
> 1)
> I/O error: dev 0b:00, sector 2
> Aug 9 08:49:03 localhost kernel: hfs_fs: unable to read block
> 0x00000002
> >from dev 0b:00
> Aug 9 08:49:03 localhost kernel: hfs_fs: Unable to read superblock
> Aug 9 08:49:03 localhost kernel: sr.c:Bad 2K block number requested (0
> 1)
> I/O error: dev 0b:00, sector 0
> Aug 9 08:49:03 localhost kernel: hfs_fs: unable to read block
> 0x00000000
> >from dev 0b:00
> Aug 9 08:49:03 localhost kernel: hfs_fs: Unable to read block 0.
>
> I can see that hfs_fs and SCSI CD-ROM drivers don't agree on block
> number
> to be accessed. Is this not a bug?
>
>
> Takashi Oe
>

Ah, thank you for the exact description!
This sure is a bug, but it should be fixable.

(The Status-Log entry "HFS is still broken" referred originally to HFS
oopsing on any write attempt, which crept in somewhere before 2.3.99)

- Bernd 

-- 
- Bernd Kischnick

email kisch@mindless.com tel +49-(0)511-18375

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