matteo sisti sette, this bug was reported a while ago and there hasn't been any activity in it recently. We were wondering if this is still an issue? If so, could you please test for this with the latest development release of Ubuntu? ISO images are available from http://cdimage.ubuntu.com/daily-live/current/ .
If it remains an issue, could you please run the following command in the development release from a Terminal (Applications->Accessories->Terminal), as it will automatically gather and attach updated debug information to this report: apport-collect -p linux <replace-with-bug-number> Also, could you please test the latest upstream kernel available (not the daily folder) following https://wiki.ubuntu.com/KernelMainlineBuilds ? It will allow additional upstream developers to examine 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: kernel-fixed-upstream kernel-fixed-upstream-VERSION-NUMBER where VERSION-NUMBER is the version number of the kernel you tested. For example: kernel-fixed-upstream-v3.13-rc3 This can be done by clicking on the yellow circle with a black pencil icon next to the word Tags located at the bottom of the bug description. As well, please remove the tag: needs-upstream-testing If the mainline kernel does not fix this bug, please add the following tags: kernel-bug-exists-upstream kernel-bug-exists-upstream-VERSION-NUMBER As well, please remove the tag: needs-upstream-testing 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. ** Changed in: linux (Ubuntu) Importance: Undecided => Medium ** Changed in: linux (Ubuntu) Status: Confirmed => Incomplete -- 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/919430 Title: cancelling shutdown leaves the system in an unusable state Status in “linux” package in Ubuntu: Incomplete Bug description: Steps to reproduce: - open gedit, type some text in it, and don't save (this is just a reliable way to reproduce, but ANY open program with unsaved data will do, or even a program not responding - From the top-right menu, chose "Shutdown". At the first dialog ("Are you sure you want to...") select Shutdown - A dialog will appear informing you that there are some programs that are not closing, and asking you whether to force close or cancel - hit Cancel Expected: the system should keep working as if you never tried to shutdown Observed: the system is left in an unusable state where maximized windows have no title bar and hence cannot be unmaximized; the dock or launcher on the left doesn't show up any more, and there is no panel on the top of the screen. It looks like Unity (or something) is killed before the dialog appears, and is not restarted when you cancel. If a dialog gives you the possibility to cancel shutdown, shutdown must be cancelled entirely, and in a consistent way. Shutting down services that are necessary for the system to be usable should not be initiated until it is sure that the system will be shut down completely. ProblemType: Bug DistroRelease: Ubuntu 11.10 Package: linux-image-3.0.0-15-generic 3.0.0-15.25 ProcVersionSignature: Ubuntu 3.0.0-15.25-generic 3.0.13 Uname: Linux 3.0.0-15-generic i686 NonfreeKernelModules: nvidia AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24. ApportVersion: 1.23-0ubuntu4 Architecture: i386 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: teo 2036 F.... pulseaudio CRDA: Error: [Errno 2] No such file or directory Card0.Amixer.info: Card hw:0 'Intel'/'HDA Intel at 0xfebf8000 irq 49' Mixer name : 'Realtek ALC660-VD' Components : 'HDA:10ec0660,10430000,00100001 HDA:10573055,10431316,00100700' Controls : 25 Simple ctrls : 16 Date: Fri Jan 20 23:17:18 2012 HibernationDevice: RESUME=UUID=b1b3e5fe-38e2-44c9-9e48-4564cd9f4d66 InstallationMedia: Ubuntu 10.04 LTS "Lucid Lynx" - Release i386 (20100429) MachineType: ASUSTeK Computer Inc. M51Sn ProcEnviron: PATH=(custom, user) LANG=en_US.UTF-8 SHELL=/bin/bash ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.0.0-15-generic root=UUID=173acbf5-26a0-49e3-8d2b-f1c142582cbf ro quiet splash vt.handoff=7 RelatedPackageVersions: linux-restricted-modules-3.0.0-15-generic N/A linux-backports-modules-3.0.0-15-generic N/A linux-firmware 1.60 SourcePackage: linux StagingDrivers: zram UpgradeStatus: Upgraded to oneiric on 2011-12-07 (44 days ago) UserAsoundrc: pcm.!default { type pulse } ctl.!default { type pulse } pcm.pulse { type pulse } ctl.pulse { type pulse } dmi.bios.date: 12/24/2007 dmi.bios.vendor: American Megatrends Inc. dmi.bios.version: 303 dmi.board.asset.tag: ATN12345678901234567 dmi.board.name: M51Sn dmi.board.vendor: ASUSTeK Computer Inc. dmi.board.version: 1.0 dmi.chassis.asset.tag: ATN12345678901234567 dmi.chassis.type: 10 dmi.chassis.vendor: ASUSTeK Computer Inc. dmi.chassis.version: 1.0 dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr303:bd12/24/2007:svnASUSTeKComputerInc.:pnM51Sn:pvr1.0:rvnASUSTeKComputerInc.:rnM51Sn:rvr1.0:cvnASUSTeKComputerInc.:ct10:cvr1.0: dmi.product.name: M51Sn dmi.product.version: 1.0 dmi.sys.vendor: ASUSTeK Computer Inc. 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