Re: 2.6.12-rc1-mm3 (cannot read cd-rom, 2.6.12-rc1 is OK)

Andrew Morton
2005-03-25T21:49:04Z

Steven Cole <elenstev@mesatop.com> wrote:
>
> >>
> >> I found a few more minutes to test two more kernels. The problem
> >> first occured with 2.6.12-rc1-mm2:
> >>
> >> 2.6.12-rc1 reads the cd-rom OK as reported earlier
> >> 2.6.12-rc1-mm1 also reads the cd-rom OK
> >> 2.6.12-rc1-mm2 broken same as -mm3 described as above
> >> 2.6.12-rc1-mm3 broken as reported earlier
> >
> >
> > Are you really really sure about that? -mm3 included both the bk-ide-dev
> > tree and the isofs changes. 2.6.12-rc1-mm2 had neither.
> >
>
> Just to be really really sure, I repeated the tests. I even checked
> that the image/label combination in /etc/lilo.conf was what I intended,
> but the uname -r should show what's what.
>
> Same results, -mm2 broken, and -mm1 reads the disk. I even tried
> other CD's just to make sure I didn't have something weird. Same results.

OK, thanks.

It would be interesting to copy a CD to hard disk (under -mm1) and see if
it works OK with the loopback driver.

Also, boot into -mm2 and do a `cmp' of the cdrom with the image which is on
hard-disk.

This should help us work out whether it's isofs, the driver, the VFS or
whatever.