Florian R, could you please test the latest upstream kernel available from the very top line at the top of the page (the release names are irrelevant for testing, and please do not test the daily folder) following https://wiki.ubuntu.com/KernelMainlineBuilds ? It will allow additional upstream developers to examine the issue.
If the test did not allow you to test to the issue (ex. you couldn't boot into the OS) please make a comment in your report about this, and continue to test the next most recent kernel version until you can test to the issue. Once you've tested the upstream kernel, please comment on which kernel version specifically you tested. If this bug is fixed in the mainline kernel, please add the following tags by clicking on the yellow circle with a black pencil icon, next to the word Tags, located at the bottom of the report description: kernel-fixed-upstream kernel-fixed-upstream-X.Y-rcZ Where XY and Z are numbers corresponding to the kernel version. If the mainline kernel does not fix this bug, please add the following tags: kernel-bug-exists-upstream kernel-bug-exists-upstream-X.Y-rcZ Once testing of the upstream kernel is complete, please mark this bug's Status as Confirmed. Please let us know your results. Thank you for your understanding. -- 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/1456299 Title: irqpoll was not applied although in the /proc/cmdline Status in linux package in Ubuntu: Incomplete Bug description: System freezed with an overheating CPU and the hint "please enable irqpoll option". But it *is* already enabled :( ----------------- May 18 16:17:01 mythtv CRON[9355]: (root) CMD ( cd / && run-parts --report /etc/cron.hourly) May 18 16:39:01 mythtv CRON[19962]: (root) CMD ( [ -x /usr/lib/php5/maxlifetime ] && [ -x /usr/lib/php5/sessionclean ] && [ -d /var/lib/php5 ] && /usr/lib/php5/sessionclean /var/lib/php5 $ (/usr/lib/php5/maxlifetime)) May 18 17:09:01 mythtv CRON[1826]: (root) CMD ( [ -x /usr/lib/php5/maxlifetime ] && [ -x /usr/lib/php5/sessionclean ] && [ -d /var/lib/php5 ] && /usr/lib/php5/sessionclean /var/lib/php5 $( /usr/lib/php5/maxlifetime)) May 18 17:17:01 mythtv CRON[5574]: (root) CMD ( cd / && run-parts --report /etc/cron.hourly) May 18 17:23:36 mythtv kernel: [61271.018388] irq 19: nobody cared (try booting with the "irqpoll" option) May 18 17:23:36 mythtv kernel: [61271.018393] CPU: 0 PID: 0 Comm: swapper/0 Tainted: P OE 3.16.0-38-generic #52~14.04.1-Ubuntu May 18 17:23:36 mythtv kernel: [61271.018395] Hardware name: Gigabyte Technology Co., Ltd. GA-970A-UD3/GA-970A-UD3, BIOS F8f 12/16/2013 May 18 17:23:36 mythtv kernel: [61271.018397] ffff880233ee94a4 ffff88023fc03d30 ffffffff8176534f ffff880233ee9400 May 18 17:23:36 mythtv kernel: [61271.018399] ffff88023fc03d58 ffffffff810cd892 ffff880233ee9400 0000000000000013 May 18 17:23:36 mythtv kernel: [61271.018401] 0000000000000000 ffff88023fc03d98 ffffffff810cddcc 0000000011676000 May 18 17:23:36 mythtv kernel: [61271.018402] Call Trace: May 18 17:23:36 mythtv kernel: [61271.018403] <IRQ> [<ffffffff8176534f>] dump_stack+0x45/0x56 May 18 17:23:36 mythtv kernel: [61271.018411] [<ffffffff810cd892>] __report_bad_irq+0x32/0xd0 May 18 17:23:36 mythtv kernel: [61271.018413] [<ffffffff810cddcc>] note_interrupt+0x24c/0x2a0 May 18 17:23:36 mythtv kernel: [61271.018415] [<ffffffff810cb4be>] handle_irq_event_percpu+0xae/0x1a0 May 18 17:23:36 mythtv kernel: [61271.018417] [<ffffffff810cb5ed>] handle_irq_event+0x3d/0x60 May 18 17:23:36 mythtv kernel: [61271.018418] [<ffffffff810ce991>] handle_fasteoi_irq+0x81/0x150 May 18 17:23:36 mythtv kernel: [61271.018421] [<ffffffff810155de>] handle_irq+0x1e/0x30 May 18 17:23:36 mythtv kernel: [61271.018423] [<ffffffff8177082f>] do_IRQ+0x4f/0xf0 May 18 17:23:36 mythtv kernel: [61271.018426] [<ffffffff8176e6ad>] common_interrupt+0x6d/0x6d May 18 17:23:36 mythtv kernel: [61271.018428] [<ffffffff81073078>] ? __do_softirq+0x88/0x2e0 May 18 17:23:36 mythtv kernel: [61271.018430] [<ffffffff81073010>] ? __do_softirq+0x20/0x2e0 May 18 17:23:36 mythtv kernel: [61271.018432] [<ffffffff810735a5>] irq_exit+0x105/0x110 root@mythtv:/home/florian# cat /proc/cmdline BOOT_IMAGE=/boot/vmlinuz-3.16.0-38-generic root=UUID=b66689b0-afb4-44fa-87b2-b375b2028a93 ro irqpoll quiet splash nomodeset video=uvesafb:mode_option=1920x1080-16,mtrr=3,scroll=ywrap --- ApportVersion: 2.14.1-0ubuntu3.10 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC2: florian 3326 F.... pulseaudio /dev/snd/controlC1: florian 3326 F.... pulseaudio /dev/snd/controlC0: florian 3326 F.... pulseaudio DistroRelease: Ubuntu 14.04 HibernationDevice: RESUME=UUID=6b966b78-e751-4cef-8822-e40b8805edb5 InstallationDate: Installed on 2014-05-27 (356 days ago) InstallationMedia: Kubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140416.1) IwConfig: eth0 no wireless extensions. lo no wireless extensions. MachineType: Gigabyte Technology Co., Ltd. GA-970A-UD3 NonfreeKernelModules: nvidia Package: linux (not installed) ProcFB: 0 VESA VGA ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.16.0-38-generic root=UUID=b66689b0-afb4-44fa-87b2-b375b2028a93 ro irqpoll quiet splash nomodeset video=uvesafb:mode_option=1920x1080-16,mtrr=3,scroll=ywrap ProcVersionSignature: Ubuntu 3.16.0-38.52~14.04.1-generic 3.16.7-ckt10 PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: Home directory not accessible: Permission denied No PulseAudio daemon running, or not running as session daemon. RelatedPackageVersions: linux-restricted-modules-3.16.0-38-generic N/A linux-backports-modules-3.16.0-38-generic N/A linux-firmware 1.127.12 RfKill: Tags: trusty Uname: Linux 3.16.0-38-generic x86_64 UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: _MarkForUpload: True dmi.bios.date: 12/16/2013 dmi.bios.vendor: Award Software International, Inc. dmi.bios.version: F8f dmi.board.name: GA-970A-UD3 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.:bvrF8f:bd12/16/2013:svnGigabyteTechnologyCo.,Ltd.:pnGA-970A-UD3:pvr:rvnGigabyteTechnologyCo.,Ltd.:rnGA-970A-UD3:rvrx.x:cvnGigabyteTechnologyCo.,Ltd.:ct3:cvr: dmi.product.name: GA-970A-UD3 dmi.sys.vendor: Gigabyte Technology Co., Ltd. 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