Surprise :/, here are the steps that I took (perhaps it'll give you some information showing my mistake):
1) I downloaded and installed all the debs - note missing linux-tools: https://pastebin.canonical.com/99199/ 2) Tested: $ uname -a Linux michael-X201EP 3.11.0-12-generic #19~lp1213917v1 SMP Wed Oct 16 16:05:23 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux Good (suspend/resume without kworker issues), BUT, I didn't get a wifi connection at all (even before suspend):. 3) So I apt-get -f to add linux-tools, and then ensured the lp1213917 versions were all still valid: https://pastebin.canonical.com/99211/ 4) The network issue was still there and seemed to be apparmor related: https://pastebin.canonical.com/99208/ Figuring that the network issue may be related to an apparmor update I was missing or similar, I installed the archive versions of 3.11.0-12 to verify that I'd have the same issue there (which I did - no network at all): https://pastebin.canonical.com/99210/. What I didn't do at that point, but should have in retrospect, was confirmed that suspend/resume still triggered the kworker issue. 5) I did a dist-upgrade which was huge - as I'd stopped updating after a few rounds of the bisect (I can put it on chinstrap if it's useful - note-to-self, starts at 2013-10-17 10:56:46), and sure enough, the network issue is fixed, but to my surprise, so is the kworker issue: $ uname -a Linux michael-X201EP 3.11.0-12-generic #19-Ubuntu SMP Wed Oct 9 16:20:46 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux Good. If there's something obvious that I did incorrectly, or it's obvious to you where an update may have fixed the issue, please let me know. Sorry for apparently wasting time here :/ -- 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/1213917 Title: kworker thread 99.8 - 100% CPU after 1st suspend - no second suspend Status in “linux” package in Ubuntu: Incomplete Bug description: After updating today (hadn't updated for a while), my fan won't stop and top is showing: PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND 4 root 20 0 0 0 0 R 100,2 0,0 36:42.35 kworker/0:0 Edit: seems related to bug 1214071. I can reproduce with: 1) Start with a fresh reboot 2) suspend and resume At this point after the successful resume, kworker thread starts consuming 100% cpu and I can no longer suspend (bug 1214071). ProblemType: Bug DistroRelease: Ubuntu 13.10 Package: linux-image-3.11.0-2-generic 3.11.0-2.5 ProcVersionSignature: Ubuntu 3.11.0-2.5-generic 3.11.0-rc5 Uname: Linux 3.11.0-2-generic x86_64 ApportVersion: 2.12-0ubuntu3 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: michael 2372 F.... pulseaudio Date: Mon Aug 19 14:39:57 2013 EcryptfsInUse: Yes HibernationDevice: RESUME=UUID=1efd421f-ac68-455b-b4d4-8912fa02494d MachineType: ASUSTeK COMPUTER INC. X201EP MarkForUpload: True ProcFB: 0 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.11.0-2-generic.efi.signed root=UUID=05643352-201b-43e8-976a-c1d40d591e80 ro quiet splash vt.handoff=7 RelatedPackageVersions: linux-restricted-modules-3.11.0-2-generic N/A linux-backports-modules-3.11.0-2-generic N/A linux-firmware 1.113 SourcePackage: linux UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 02/04/2013 dmi.bios.vendor: American Megatrends Inc. dmi.bios.version: X201EP.209 dmi.board.asset.tag: ATN12345678901234567 dmi.board.name: X201EP dmi.board.vendor: ASUSTeK COMPUTER INC. dmi.board.version: 1.0 dmi.chassis.asset.tag: No Asset Tag dmi.chassis.type: 10 dmi.chassis.vendor: ASUSTeK COMPUTER INC. dmi.chassis.version: 1.0 dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrX201EP.209:bd02/04/2013:svnASUSTeKCOMPUTERINC.:pnX201EP:pvr1.0:rvnASUSTeKCOMPUTERINC.:rnX201EP:rvr1.0:cvnASUSTeKCOMPUTERINC.:ct10:cvr1.0: dmi.product.name: X201EP dmi.product.version: 1.0 dmi.sys.vendor: ASUSTeK COMPUTER INC. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1213917/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
