Re: lockup when C1E and high-resolution timers enabled

[Daniel J Blueman]

On 14 June 2015 at 22:49, Christoph Fritz <chf.fritz@xxxxxxxxxxxxxx> wrote:
> On Sun, 2015-06-14 at 15:54 +0800, Daniel J Blueman wrote:
>> As a workaround, you can probably just disable message triggered C1E
>> (see the BKDG p399 [1]):
>>
>> val=0x$(setpci -s 00:18.4 0xd4.l) # read D18F3xD4
>
> mhm... $(setpci -s 00:18.4 0xd4.l) returns zero, this can't be right.

Ahh, try:

val=0x$(setpci -s 00:18.3 0xd4.l) # read D18F3xD4
val=$((val &~(1 << 13))) # clear bit13 (MTC1eEn)
setpci -d 1022:1603 0xd4.l=$(printf %x $val) # write back
-- 
Daniel J Blueman
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/