On Thursday 14 February 2008, Borislav Petkov wrote:
> On Thu, Feb 14, 2008 at 12:37:50AM +0100, Hans-Peter Jansen wrote:
>
> [Added Bart to CC]
>
> > Am Dienstag, 12. Februar 2008 schrieb Borislav Petkov:
> > > On Tue, Feb 12, 2008 at 10:26:17AM +0100, Hans-Peter Jansen wrote:
> > > > Hi,
> > > >
> > > > I suffer from unreliable cdrom operations (failing DAE and burn
> > > > sessions) with the openSUSE 2.6.18.8-0.7-bigsmp kernel.
> > >
> > > ^^^^
> > > Hi,
> > >
> > > can please you test this with a more recent kernel. Yours is almost
> > > ancient - from Sep. 2006.
> >
> > Sure, sorry. Here we go:
> >
> > Feb 14 00:18:18 kernel: hde: cdrom_pc_intr: The drive appears confused
> > (ireason = 0x01).
> > Trying to recover by ending request.
> > Feb 14 00:27:27 kernel: hdc: cdrom_pc_intr: The drive appears confused
> > (ireason = 0x01).
> > Trying to recover by ending request.
> >
> > ~> uname -a
> > Linux xrated 2.6.24.1-35-pae #1 SMP 2008/02/12 01:00:18 UTC i686 athlon
> > i386 GNU/Linux
>
> Actually the interrupt handler in ide-cd got rewritten and you're still using
> the
> old one (cdrom_pc_intr vs cdrom_newpc_intr). Those changes went into mainline
> before
> the 2.6.25-rc1 so we'll be able to test the new one only when you try out
> 2.6.25-rc1
> or wait until 2.6.25 is released in case you don't want to try hazardous
> materials
> such as an -rc kernel[*] :).
>
> Bart?
>
> *. As a matter of fact it runs quite smoothly on my machines.
2.6.25-rc1-git1 if you are using IDE.
however it may still have this problem
if (ireason == 0) {
write = 1;
xferfunc = HWIF(drive)->atapi_output_bytes;
} else if (ireason == 2 || (ireason == 1 &&
(blk_fs_request(rq) || blk_pc_request(rq)))) {
we problably need to call ide_cd_check_ireason() also for REQ_TYPE_ATA_PC
requests and remove (blk_fs_request(rq) || blk_pc_request(rq) here
write = 0;
xferfunc = HWIF(drive)->atapi_input_bytes;
} else {
printk(KERN_ERR "%s: %s: The drive "
"appears confused (ireason = 0x%02x). "
"Trying to recover by ending request.\n",
drive->name, __FUNCTION__, ireason);
goto end_request;
}
Bart
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