On 08/20/2010 08:31 AM, Pavel Machek wrote: > On Tue 2010-08-10 20:39:44, Jiri Slaby wrote: >> On 08/10/2010 01:20 PM, Jiri Slaby wrote: >>> Hi, >>> >>> till I was running on 2.6.34-rc5-mm1 (mmotm) and earlier everything was >>> fine. Now, I'm running 2.6.35-rc6-mm1 (.35-rc5-mm1 was the same) and >>> sometimes when the computer (desktop) returns from S3, the CPU fan is >>> running at full speed making a big noise. >> >> Just to add, full power cycle is needed to get rid of that. Warm reboot >> is not enough. > > Seems like bios problem... Update bios? I don't think so, it had been working for more than 2 years before this issue appeared. >>> I don't know how to debug that. Bisection is out of question -- it >>> happens once in 10 or 20 cases. There are no fan entries in /sys. > > Well, doing 20 suspends in a row from a script should not be too bad. 20 is just a guess. I haven't seen it for pretty few days until the day before yesterday. And it looks like CPU1 is brought up a half way. When the fan was at full speed I tried: echo 0 > /sys/devices/system/cpu/cpu1/online and whole system freezed. Otherwise this commands succeeds. I'll load a crash kernel prior turning the CPU off next time. thanks, -- js -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
