Re: 2.6.11-rc3-mm1 : mount UDF CDRW stuck in D state

[Andrew Morton]

Peter Osterlund <petero2@xxxxxxxxx> wrote:
>
> Peter Osterlund <petero2@xxxxxxxxx> writes:
> 
> > Laurent Riffard <laurent.riffard@xxxxxxx> writes:
> > 
> > > This is kernel 2.6.11-rc3-mm1. I can't mount an UDF-formatted cdrw
> > > in packet-writing mode. Mount process gets stuck in D state.
> > > 
> > > Mounting and writing this media in packet-writing mode works fine
> > > with kernel 2.6.11-rc2-mm2.
> > 
> > I tried to repeat the problem, but I didn't get far, because I get a
> > kernel panic right after init is started:
> 
> I got around that by disabling preempt, radeon framebuffer, HPET
> timer, APIC. Don't know which one caused the panic, will track it down
> later.

Please do - the above combo works for me (as usual).  I don't recall anyone
else reporting it.

> Anyway, mount hangs for me too if I use an IDE drive, both with native
> ide and ide-scsi emulation. It doesn't hang with a USB drive though. I
> verified that 2.6.11-rc3 does not have this problem. Reverting
> bk-ide-dev does *not* fix the problem.

Bah.  sysrq-T output would be helpful.

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