Bisect done. Bisect log follows.
# bad: [e2689a0f2068cfd300fd7f4d444d72571cfe5d48] UBUNTU: Ubuntu-3.8.0-26.38 # good: [680faeb696565a564b9b7a678fa042de4f5fbee9] UBUNTU: Ubuntu-3.8.0-23.34 git bisect start 'Ubuntu-3.8.0-26.38' 'Ubuntu-3.8.0-23.34' # bad: [67dca26a087c23aabf8f4f92de630d3285551c87] benet: Wait f/w POST until timeout git bisect bad 67dca26a087c23aabf8f4f92de630d3285551c87 # bad: [65b3745f82d86d6ba3efc19054e3cc2bde452b45] ixgbe: fix EICR write in ixgbe_msix_other git bisect bad 65b3745f82d86d6ba3efc19054e3cc2bde452b45 # good: [5f17a84fb89bccf83ad1d07ae3caa12b9322cecc] tracing: Reset ftrace_graph_filter_enabled if count is zero git bisect good 5f17a84fb89bccf83ad1d07ae3caa12b9322cecc # good: [e5dc414e4d888330436fcd4bea3f6348276dbba9] swap: redirty page if page write fails on swap file git bisect good e5dc414e4d888330436fcd4bea3f6348276dbba9 # bad: [ef40ce18151e6a78cc7c084558ea8044566c54b7] inotify: invalid mask should return a error number but not set it git bisect bad ef40ce18151e6a78cc7c084558ea8044566c54b7 # bad: [07053b6237d7a1983d80fb0d3839e9889244dc33] ACPI / thermal: do not always return THERMAL_TREND_RAISING for active trip points git bisect bad 07053b6237d7a1983d80fb0d3839e9889244dc33 # bad: [6d22382d7148a132fb7b4c461cb2940df4f0c77e] drivers/rtc/rtc-cmos.c: don't disable hpet emulation on suspend git bisect bad 6d22382d7148a132fb7b4c461cb2940df4f0c77e # good: [2ef4473b0027df0e7558557feb83da2c3e1826d0] mm: swap: mark swap pages writeback before queueing for direct IO git bisect good 2ef4473b0027df0e7558557feb83da2c3e1826d0 # first bad commit: [6d22382d7148a132fb7b4c461cb2940df4f0c77e] drivers/rtc/rtc-cmos.c: don't disable hpet emulation on suspend Last git bisect throwed this: 6d22382d7148a132fb7b4c461cb2940df4f0c77e is the first bad commit commit 6d22382d7148a132fb7b4c461cb2940df4f0c77e Author: Derek Basehore <[email protected]> Date: Mon Apr 29 16:20:23 2013 -0700 drivers/rtc/rtc-cmos.c: don't disable hpet emulation on suspend BugLink: http://bugs.launchpad.net/bugs/1178361 commit e005715efaf674660ae59af83b13822567e3a758 upstream. There's a bug where rtc alarms are ignored after the rtc cmos suspends but before the system finishes suspend. Since hpet emulation is disabled and it still handles the interrupts, a wake event is never registered which is done from the rtc layer. This patch reverts commit d1b2efa83fbf ("rtc: disable hpet emulation on suspend") which disabled hpet emulation. To fix the problem mentioned in that commit, hpet_rtc_timer_init() is called directly on resume. Signed-off-by: Derek Basehore <[email protected]> Cc: Maxim Levitsky <[email protected]> Cc: "H. Peter Anvin" <[email protected]> Cc: Thomas Gleixner <[email protected]> Cc: Ingo Molnar <[email protected]> Cc: "Rafael J. Wysocki" <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]> Signed-off-by: Steve Conklin <[email protected]> :040000 040000 3e84b9874d08e64109a8e7155b0b0734fbf250e3 08ae4a77586575391919e292a9730d649d5251ac M drivers Seems to be the commit I suspected on bug opening -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1197871 Title: [Gigabyte GA-MA78GPM-DS2H] ACPI wakeup fails if HPET enabled in BIOS Status in “linux” package in Ubuntu: Incomplete Bug description: if I type this (as root): echo `date '+%s' -d '+ 5 minutes'` > /sys/class/rtc/rtc0/wakealarm or: rtcwake -d rtc0 -u -m no -t `date '+%s' -d '+ 5 minutes'` and then I shutdown the computer, it used to wake up after 5 minutes until I upgraded from linux-image-3.8.0-23-generic to a newer package. I've always had HPET enabled in BIOS. Maybe it's related to this patch found in the changelog zdiff /usr/share/doc/linux-image-3.8.0-23-generic/changelog.Debian.gz /usr/share/doc/linux-image-3.8.0-24-generic/changelog.Debian.gz | grep hpet > * drivers/rtc/rtc-cmos.c: don't disable hpet emulation on suspend WORKAROUND: If I disable HPET in BIOS, my computer successfully wakes up in kernels > 3.8.0-23 ProblemType: Bug DistroRelease: Ubuntu 13.04 Package: linux-image-3.8.0-26-generic 3.8.0-26.38 ProcVersionSignature: Ubuntu 3.8.0-26.38-generic 3.8.13.2 Uname: Linux 3.8.0-26-generic x86_64 NonfreeKernelModules: nvidia ApportVersion: 2.9.2-0ubuntu8.2 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: usuario 2971 F.... pulseaudio CRDA: Error: command ['iw', 'reg', 'get'] failed with exit code 1: nl80211 not found. Date: Thu Jul 4 17:32:03 2013 HibernationDevice: #RESUME=UUID=e38f6a8b-948e-434c-a8e1-eb1e207dad4f RESUME=UUID=3ddd6504-083d-4af2-bcaa-5af1dbbf1f77 IwConfig: eth0 no wireless extensions. lo no wireless extensions. MachineType: Gigabyte Technology Co., Ltd. GA-MA78GPM-DS2H MarkForUpload: True ProcFB: 0 VESA VGA ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.8.0-26-generic root=UUID=22b58a09-ddc9-4068-8d9c-d225ad781780 ro quiet splash RelatedPackageVersions: linux-restricted-modules-3.8.0-26-generic N/A linux-backports-modules-3.8.0-26-generic N/A linux-firmware 1.106 RfKill: SourcePackage: linux UpgradeStatus: Upgraded to raring on 2013-05-02 (63 days ago) WpaSupplicantLog: dmi.bios.date: 12/25/2010 dmi.bios.vendor: Award Software International, Inc. dmi.bios.version: F6h dmi.board.name: GA-MA78GPM-DS2H dmi.board.vendor: Gigabyte Technology Co., Ltd. dmi.board.version: x.x dmi.chassis.type: 3 dmi.chassis.vendor: Gigabyte Technology Co., Ltd. dmi.modalias: dmi:bvnAwardSoftwareInternational,Inc.:bvrF6h:bd12/25/2010:svnGigabyteTechnologyCo.,Ltd.:pnGA-MA78GPM-DS2H:pvr:rvnGigabyteTechnologyCo.,Ltd.:rnGA-MA78GPM-DS2H:rvrx.x:cvnGigabyteTechnologyCo.,Ltd.:ct3:cvr: dmi.product.name: GA-MA78GPM-DS2H dmi.sys.vendor: Gigabyte Technology Co., Ltd. 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