It's still very strange that HEAD starts to move once we've initialized the ring. So it seems like we can properly reset it, but then it goes banas ...
More dmesgs from different machines with that frob+debug patch definitely appreciated. -- 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/1339939 Title: [Lenovo ThinkPad T400] intel graphics fail after suspend with 3.16 kernel Status in The Linux Kernel: Incomplete Status in “linux” package in Ubuntu: Incomplete Bug description: After resuming from suspend, I find gnome-shell has crashed. If I try to restart gnome-shell or gdm after this all I get is the following message. Everything does work fine on initial boot up until I suspend. intel_do_flush_locked failed: Invalid argument Booting on the 3.13 kernel from trusty, this problem does not occur. I also tried to test utopic dailly Ubuntu GNOME, this fails to even boot too gdm, unless I set nomodeset from the kernel line. I have never need to do this in the past though. ProblemType: Bug DistroRelease: Ubuntu 14.10 Package: linux-image-3.15.0-6-generic 3.15.0-6.11 ProcVersionSignature: Ubuntu 3.15.0-6.11-generic 3.15.0 Uname: Linux 3.15.0-6-generic x86_64 ApportVersion: 2.14.4-0ubuntu1 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: darkness 2770 F.... pulseaudio CurrentDesktop: GNOME Date: Thu Jul 10 10:04:38 2014 HibernationDevice: RESUME=UUID=80ccdbf4-2eec-47cd-aac0-5d90ab898481 MachineType: LENOVO 2764CTO PccardctlIdent: Socket 0: no product info available PccardctlStatus: Socket 0: no card ProcFB: 0 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.15.0-6-generic root=UUID=70836e80-816b-424b-8aaf-6a0d2863fa50 ro quiet splash vt.handoff=7 RelatedPackageVersions: linux-restricted-modules-3.15.0-6-generic N/A linux-backports-modules-3.15.0-6-generic N/A linux-firmware 1.132 SourcePackage: linux UpgradeStatus: Upgraded to utopic on 2014-01-05 (185 days ago) dmi.bios.date: 02/13/2009 dmi.bios.vendor: LENOVO dmi.bios.version: 7UET61WW (2.07 ) dmi.board.name: 2764CTO dmi.board.vendor: LENOVO dmi.board.version: Not Available dmi.chassis.asset.tag: No Asset Information dmi.chassis.type: 10 dmi.chassis.vendor: LENOVO dmi.chassis.version: Not Available dmi.modalias: dmi:bvnLENOVO:bvr7UET61WW(2.07):bd02/13/2009:svnLENOVO:pn2764CTO:pvrThinkPadT400:rvnLENOVO:rn2764CTO:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable: dmi.product.name: 2764CTO dmi.product.version: ThinkPad T400 dmi.sys.vendor: LENOVO To manage notifications about this bug go to: https://bugs.launchpad.net/linux/+bug/1339939/+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