Did this issue start happening after an update/upgrade? Was there a prior kernel version where you were not having this particular problem?
Would it be possible for you to test the latest upstream kernel? Refer to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest v4.11 kernel[0]. If this bug is fixed in the mainline kernel, please add the following tag 'kernel-fixed-upstream'. If the mainline kernel does not fix this bug, please add the tag: 'kernel-bug-exists-upstream'. Once testing of the upstream kernel is complete, please mark this bug as "Confirmed". Thanks in advance. [0] http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.11-rc7 ** Changed in: linux (Ubuntu) Importance: Undecided => High ** Tags added: kernel-da-key ** 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/1682402 Title: Running I/O heavy operation (cp) inside terminal in X server session will lock up entire system while running it in a TTY works fine Status in linux package in Ubuntu: Incomplete Bug description: Running I/O heavy operation (cp) inside terminal in X server session will lock up entire system while running it in a TTY works fine. I am filing this as a kernel bug because the following steps will still hang the system: 1. Open up gnome-terminal 2. Start copying a really large file between two different EXT4 partitions on my local SSD with a "cp" command 3. Switch to a TTY 4. Login to TTY and observe htop or iotop Expected result: I can see the operation happen and after a while it completes Actual result: Keyboard drops out some time during operation (TTY stops responding, caps lock light no longer responds to pressing caps lock, computer appears effectively dead with last screen image frozen) When I run the "cp" operation on the TTY to start with, no matter if the X session is running in parallel or not, it works as expected with no trouble. ProblemType: Bug DistroRelease: Ubuntu 17.04 Package: linux-generic 4.10.0.19.21 ProcVersionSignature: Ubuntu 4.10.0-19.21-generic 4.10.8 Uname: Linux 4.10.0-19-generic x86_64 ApportVersion: 2.20.4-0ubuntu4 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/pcmC0D0p: jonas 2297 F...m pulseaudio /dev/snd/controlC0: jonas 2297 F.... pulseaudio CurrentDesktop: GNOME Date: Thu Apr 13 13:04:03 2017 InstallationDate: Installed on 2017-04-08 (4 days ago) InstallationMedia: Ubuntu 16.10 "Yakkety Yak" - Release amd64 (20161012.2) Lsusb: Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub Bus 001 Device 004: ID 138a:0090 Validity Sensors, Inc. Bus 001 Device 003: ID 13d3:5248 IMC Networks Bus 001 Device 005: ID 056a:5047 Wacom Co., Ltd Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub MachineType: LENOVO 20FDCTO1WW ProcFB: 0 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.10.0-19-generic.efi.signed root=/dev/mapper/fedora-root ro rootdelay=5 quiet splash vt.handoff=7 RelatedPackageVersions: linux-restricted-modules-4.10.0-19-generic N/A linux-backports-modules-4.10.0-19-generic N/A linux-firmware 1.164 SourcePackage: linux UpgradeStatus: Upgraded to zesty on 2017-04-12 (1 days ago) dmi.bios.date: 11/16/2015 dmi.bios.vendor: LENOVO dmi.bios.version: N1GET35W (1.12 ) dmi.board.asset.tag: Not Available dmi.board.name: 20FDCTO1WW dmi.board.vendor: LENOVO dmi.board.version: SDK0J40700 WIN dmi.chassis.asset.tag: No Asset Information dmi.chassis.type: 10 dmi.chassis.vendor: LENOVO dmi.chassis.version: None dmi.modalias: dmi:bvnLENOVO:bvrN1GET35W(1.12):bd11/16/2015:svnLENOVO:pn20FDCTO1WW:pvrThinkPadYoga260:rvnLENOVO:rn20FDCTO1WW:rvrSDK0J40700WIN:cvnLENOVO:ct10:cvrNone: dmi.product.name: 20FDCTO1WW dmi.product.version: ThinkPad Yoga 260 dmi.sys.vendor: LENOVO To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1682402/+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
