Messages in this thread Patch in this message | | | Date | Mon, 9 Apr 2007 17:47:00 -0700 | From | Andrew Morton <> | Subject | Re: PROBLEM: ACPI Thermal Zone for CPU0 does not update after hibernation |
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On Fri, 6 Apr 2007 16:13:55 -0400 (EDT) "Walter Francis" <wally@theblackmoor.net> wrote:
> After hibernating, the CPU0 thermal zone never updates. It will stay at 59C > forever for example. > > I've tried making the thermal driver a module and unloading it before > hibernating and it didn't help, also went back as far as 2.6.19 and saw the > same behavior there. Currently using 2.6.21-pre6. If I reboot or suspend to > *RAM*, the problem fixes itself. And CPU1's thermal zone is fine. But CPU0 > if it's (example) 59C, it stays 59C forever. I'm seeing it in gkrellm, but > it's coming from /proc/acpi/thermal_zone/*/temperature and verified to match > there.
Yeah, John spotted a bug in there the other day.
Does this fix it?
--- a/drivers/acpi/thermal.c~acpi-thermal-fix-mod_timer-interval +++ a/drivers/acpi/thermal.c @@ -758,7 +758,8 @@ static void acpi_thermal_check(void *dat del_timer(&(tz->timer)); } else { if (timer_pending(&(tz->timer))) - mod_timer(&(tz->timer), (HZ * sleep_time) / 1000); + mod_timer(&(tz->timer), + jiffies + (HZ * sleep_time) / 1000); else { tz->timer.data = (unsigned long)tz; tz->timer.function = acpi_thermal_run; _ - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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