Alexey Starikovskiy <astarikovskiy@xxxxxxx> wrote: > > Sometimes kacpi_notify_wq and kacpid_wq workqueues use a lot of cpu. > > > > I'm using yesterday's tip. At times kacpi_notify_wq uses 30-50% of > > my cpu and kacpid_wq uses 3-5%: > > > > # uptime > > 12:49:54 up 4:16, 1 user, load average: 0.52, 0.55, 0.40 > > # ps -e | grep kacpi > > 189 ? 00:00:52 kacpid > > 190 ? 00:10:26 kacpi_notify > > 191 ? 00:00:00 kacpi_hotplug > > > > This sometimes happens after a few hours of uptime; so this is > > very hard to bisect (by the way, I think the same thing causes > > the fans to work fullspeed sometimes when I reboot the machine). > > I tried this patch to find out which of the callers of > > acpi_os_execute() is the culprit: > > > > Is there something I can do to trace the problem? dmesg and lspci > > are attached. > > Please open new bug at bugzilla.kernel.org, for ACPI. http://bugzilla.kernel.org/show_bug.cgi?id=15106 > It would help if you provide name of your machine (make?) This is a hp-compaq 610 laptop. > and acpidump output. Attached to the bugzilla report. > Do you know the kernel, there this problem did not occur (is it a regression)? The oldest kernel I tried on this machine was something after 2.6.32 and it had the same problem. Thanks, Ali -- 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
