Messages in this thread | | | From | "Rafael J. Wysocki" <> | Subject | Re: [3.9-rc1] very poor interrupt responses | Date | Mon, 11 Mar 2013 15:55:27 +0100 |
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On Monday, March 11, 2013 11:09:33 AM Harald Arnesen wrote: > Rafael J. Wysocki [2013-03-11 04:38]: > > > On Friday, March 08, 2013 02:12:33 PM Shawn Starr wrote: > >> Hello folks, > >> > >> I am noticing since rc0 and now rc1, very poor interrupt handling. Keyboard response, mouse movements, display refreshing etc. General input/display sluggishness. Did something break IRQ handling somewhere? I need to validate if this happens with X not running also if it is i915 related somehow. The behavor is noticed in a console login however. > > > > Please try to disable the intel_pstate driver by putting intel_pstate=disable > > into the kernel's command line and see if that helps (you may also try to > > compile the driver out). > > I see the same problem on my Thinkpad T500, and I have > X86_INTEL_PSTATE=n in my config.
Can you please open a Bugzilla entry at bugzilla.kernel.org and attach the output of lspci -vvv, the contents of /proc/interrupts and a boot dmesg log from the affected machine to it? Ideally, both from a kernel that doesn't have the problem and from the affected one.
Thanks, Rafael
-- I speak only for myself. Rafael J. Wysocki, Intel Open Source Technology Center.
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