http://bugzilla.kernel.org/show_bug.cgi?id=14733
Summary: Oops: ACPI: EC: input buffer is not empty, aborting transaction Product: ACPI Version: 2.5 Platform: All OS/Version: Linux Tree: Mainline Status: NEW Severity: normal Priority: P1 Component: EC AssignedTo: acpi...@kernel-bugs.osdl.org ReportedBy: sudormrfh...@gmail.com Regression: No First of all kernels before 2.6.32 did not observe anything like that. All necessary information about my hardware is here http://ru.gentoo-wiki.com/wiki/Acer_Aspire_5730ZG In sys-kernel/vanilla-sources-2.6.32 and sys-kernel/gentoo-sources-2.6.32 after loading the same symptoms: in the first place is not working brightness control for display; second in dmesg watch spam "ACPI: EC: input buffer is not empty, aborting transaction" "ACPI Error (psparse-0537): Method parse/execution failed [\_SB_.AMW0.WMCA] (Node ffff8800bbc3f3e0), AE_TIME ACPI: EC: input buffer is not empty, aborting transaction ACPI Exception: AE_TIME, Returned by Handler for [EmbeddedControl] (20090903/evregion-424)" the third is markedly reduced performance. the spam in dmesg is very similar to this error http://bugzilla.kernel.org/show_bug.cgi?id=13689 all-info* includes output of /usr/src/linux/scripts/ver_linux; cat /proc/cmdline; cat /proc/cpuinfo; cat /proc/modules; cat /proc/ioports; cat /proc/iomem; lspci -vvv; cat /proc/scsi/scsi The solution was CONFIG_PM_RUNTIME = y -- Configure bugmail: http://bugzilla.kernel.org/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are watching the assignee of the bug. ------------------------------------------------------------------------------ Join us December 9, 2009 for the Red Hat Virtual Experience, a free event focused on virtualization and cloud computing. Attend in-depth sessions from your desk. Your couch. Anywhere. http://p.sf.net/sfu/redhat-sfdev2dev _______________________________________________ acpi-bugzilla mailing list acpi-bugzilla@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/acpi-bugzilla