* es1968 locks up on rmmod
@ 2004-01-26 17:12 Carl-Daniel Hailfinger
0 siblings, 0 replies; only message in thread
From: Carl-Daniel Hailfinger @ 2004-01-26 17:12 UTC (permalink / raw)
To: alsa-devel
Hi,
I have a Toshiba 4100XCDT laptop with an ES1968 chip. lspci follows:
00:0c.0 Multimedia audio controller: ESS Technology ES1978 Maestro 2E (rev 10)
Subsystem: Toshiba America Info Systems ES1978 Maestro-2E Audiodrive
Flags: bus master, medium devsel, latency 64, IRQ 11
I/O ports at fc00 [size=256]
Capabilities: <available only to root>
When the init scripts try to unload snd_es1968 on shutdown, my machine
freezes instantly.
Distribution is SUSE 9.0 Professional. Kernel is kernel-default-26-2.6.1-4
from ftp.suse.com/pub/people/kraxel which is basically 2.6.2-rc1.
I assume the lockup happens because interrupts are not disabled for the
device.
Debug traces are not available since SysRq-T and SysRq-P do not work. The
nmi watchdog does not work on my hardware. The only SysRq keys that work
are "O" and "B" to switch the machine off/reboot it.
Right now, I can disable the rmmod, but that's not a solution for long.
Please take a look at the module unloading function and fix it if possible.
Regards,
Carl-Daniel
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