From mboxrd@z Thu Jan 1 00:00:00 1970 From: Alexey Starikovskiy Subject: Re: Regression: 20 ACPI interrupts per second on EEEPC 4G Date: Sat, 11 Apr 2009 04:24:37 +0400 Message-ID: <49DFE345.3010109@gmail.com> References: <49DF6835.9040501@tuffmail.co.uk> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <49DF6835.9040501-cCz0Lq7MMjm9FHfhHBbuYA@public.gmane.org> Sender: kernel-testers-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Alan Jenkins Cc: linux-acpi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Linux Kernel Mailing List , Kernel Testers List List-Id: linux-acpi@vger.kernel.org Hi Alan, This patch looks to be a suspect: 34ff4dbccccce54c83b1234d39b7ad9e548a75dd, Please check if reversing it helps Regards, Alex. Alan Jenkins wrote: > On latest git, powertop shows 20 ACPI interrupts per second. > Previously, this was closer to 1 per second. See attached output (a > vs b, "a" is from 2.6.29-rc8). > > This is from a pretty sparse KDE desktop. Normally I run > gnome-power-manager, but I killed it to make sure that wasn't causing > any problems. > > alan@alan-eeepc:/sys/firmware/acpi/interrupts$ grep -v "invalid" * > error: 0 > ff_gbl_lock: 0 enabled > ff_pwr_btn: 0 enabled > ff_rt_clk: 0 disabled > gpe03: 0 disabled > gpe04: 0 disabled > gpe05: 0 disabled > gpe09: 0 disabled > gpe0B: 0 disabled > gpe0C: 0 disabled > gpe0D: 0 disabled > gpe0E: 0 disabled > gpe18: 60975 enabled > gpe_all: 60975 > sci: 60975 > > which I presume means lots of EC interrupts. > > [ 0.134068] ACPI: EC: GPE = 0x18, I/O: command/status = 0x66, data > = 0x62 > > Any ideas? > > Thanks > Alan