On Thu, 20 Mar 2014 11:39:58 +0400 Gleb Klochkov <glebiu...@gmail.com> wrote:
> Tom, thank you for your answer. > > $ dmesg >> http://bpaste.net/show/187533/ There this can be seen: [ 18.074574] [drm] Wrong MCH_SSKPD value: 0x16040307 [ 18.074575] [drm] This can cause pipe underruns and display issues. [ 18.074575] [drm] Please upgrade your BIOS to fix this. [ 18.148162] [drm] GMBUS [i915 gmbus vga] timed out, falling back to bit banging on pin 2 Above your messages seem interesting; some expected value is wrong, it also times out on a bus and then goes to use a pin instead. Not sure how much of this is intended, but try to upgrade your BIOS as suggested. > $ cat /proc/interrupts >> http://bpaste.net/show/187537/ So, that would be this: 8: 63 0 0 0 IO-APIC-edge rtc0 Hmm, nothing about it in the dmesg; also, 63 seems low (on my system, however, it's only 1 as I think my system uses something different). You can try a different timer using this kernel parameter: clocksource=hpet Another note-worthy thing: 9: 699799454 0 0 0 IO-APIC-fasteoi acpi That there are ~700 million ACPI interrupts seems abnormally high; maybe the count is off by one, and 8 refers to 9? On my system, that's been running for a while by now, it's only at ~6000 (six thousand). Changing the ACPI related kernel parameters to try to get it supported differently might be one thing to do here; other than that, it might be something going on with the hardware (try disconnecting things?) so the BIOS upgrade is certainly of interest. Try the BIOS upgrade first, then play around with the parameters; if things don't work out, I suggest you look for support on one of the Linux kernel mailing lists (perhaps acpi-devel*). Good luck. * https://lists.sourceforge.net/lists/listinfo/acpi-devel -- With kind regards, Tom Wijsman (TomWij) Gentoo Developer E-mail address : tom...@gentoo.org GPG Public Key : 6D34E57D GPG Fingerprint : C165 AF18 AB4C 400B C3D2 ABF0 95B2 1FCD 6D34 E57D
