Re: amd64 cdrom access locks system

[Erwin Rol]

On Wed, 2006-01-18 at 01:31 +0100, Christer BÃckstrÃm wrote:
>  > Aric Cyr <Aric.Cyr () gmail ! com> writes:
> >> > 
> >> >    Jun 14 03:21:50 localhost kernel: ide-cd: cmd 0x3 timed out
> >> >    Jun 14 03:21:50 localhost kernel: hda: lost interrupt
> >> >    Jun 14 03:22:50 localhost kernel: ide-cd: cmd 0x3 timed out
> >> >    Jun 14 03:22:50 localhost kernel: hda: lost interrupt
> >> >    Jun 14 03:23:30 localhost kernel: hda: lost interrupt
> >> 
> >> 
> Exactly the same problems here, on a laptop (Amd64, Mandriva 2006, 
> linux-2.6.15) with an:
> 
> ALi Corporation M5229 IDE (rev c7)
> 
> The cd-writer locks up if the DMA is enabled, as above. But the drive is 
> usable if it is disabled.
> 

I just wanted to add a "me too". I have a Shuttle ST20G5 with a M5229
rev c7:

00:1f.0 IDE interface: ALi Corporation M5229 IDE (rev c7) (prog-if fa)
        Subsystem: Holco Enterprise Co, Ltd/Shuttle Computer Unknown device f391
        Flags: bus master, 66MHz, medium devsel, latency 32, IRQ 185
        I/O ports at 8880 [size=16]

Reading CD's and DVD's always works, but writing or blanking hangs the
drive, with the following entries in the log files;

ide-cd: cmd 0x3 timed out
hda: lost interrupt
hda: request sense failure: status=0x51 { DriveReady SeekComplete Error }
hda: request sense failure: error=0x40 { LastFailedSense=0x04 }
hda: lost interrupt
hda: lost interrupt

The "lost interrupt" message is than repeated endlessly until i reboot,
and every program that tries to access the drive (including reading)
will hang for example:

31527 pts/0    D+     0:00 cat /proc/ide/hda/capacity

This is also on a AMD64, so i don't know maybe it is a AMD64 problem
only.

- Erwin



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