Re: [BUG] buggy ali5451 driver

[Takashi Iwai <tiwai@suse.de>]

At Mon, 04 Nov 2002 12:47:52 +0100,
Thierry Vignaud wrote:
> 
> regarding ali5451 problems that show up on kml, i just had access to
> oliver's laptop which has the infamous ali5451.
> 
> both oss' trident and alsa's snd-ali5451 cannot 
> 
> # modprobe snd-ali5451
> PCI: Found IRQ 4 for device 00:08:0
> URQ routing conflict for 00:08:0, have irq 5, want irq 4
> 
> then kernel cries:
> hda: status timeout: status=0x80 { Busy }
> hda: DMA disabled
> hda: drive not ready for command.
> 
> disks cannot anymore be accessed. the system is still fine (no oops,
> no freeze).
> the vfs & ext3 then ended in I/O error since the disks answered
> themselves busy to the eide controller.

i know of similar problem with this.  they were much severe, caused
kernel panic eventually.

>
> the bugs ali5451 chips suffer may be related to :
> 
> - either the poor ressources allocation on laptios, which is poorer &
>   poorer since acpi "invade" laptops
 
i suspect this.  can he disable acpi support?


Takashi


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