Marcin, the next step is to fully commit bisect from kernel 3.13 to 4.2 in order to identify the last good kernel commit, followed immediately by the first bad one. This will allow for a more expedited analysis of the root cause of your issue. Could you please do this following https://wiki.ubuntu.com/Kernel/KernelBisection ?
Please note, finding adjacent kernel versions is not fully commit bisecting. Thank you for your understanding. Helpful bug reporting tips: https://wiki.ubuntu.com/ReportingBugs ** Tags added: regression-release ** 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/1526537 Title: blk_update_request: I/O error Status in linux package in Ubuntu: Incomplete Bug description: On my laptop I am using the ubuntu in persistent mode with a backing files: casper-rw, home-rw. For some time in the new editions of ubuntu [ 15.04 / 15.10 / 16.04 daily (15.12) ] I meet with error: blk_update_request: I/O error, dev loop ... , sector ... . am sure it is not a hardware problem. Please, could you try reproduce this issue `/proc/cmdline` BOOT_IMAGE=/Ubuntu/16.04/desktop-amd64/casper/vmlinuz.efi append noprompt boot=casper intel_iommu=on toram showmounts persistent- path=/Ubuntu/16.04/desktop-amd64 persistent iso- scan/filename=/Ubuntu/16.04/xenial-desktop-amd64.iso cdrom-detect/try- usb=true `kern.log` Dec 15 21:49:25 ThinkPad kernel: [ 11.507021] Bluetooth: BNEP socket layer initialized Dec 15 21:49:25 ThinkPad kernel: [ 11.513208] blk_update_request: I/O error, dev loop0, sector 1376280 Dec 15 21:49:25 ThinkPad kernel: [ 11.544996] blk_update_request: I/O error, dev loop0, sector 1364008 Dec 15 21:49:26 ThinkPad kernel: [ 11.655626] IPv6: ADDRCONF(NETDEV_UP): wlp3s0: link is not ready Dec 15 21:49:26 ThinkPad kernel: [ 11.656563] IPv6: ADDRCONF(NETDEV_UP): enp0s25: link is not ready Dec 15 21:49:26 ThinkPad kernel: [ 11.884604] IPv6: ADDRCONF(NETDEV_UP): enp0s25: link is not ready Dec 15 21:49:26 ThinkPad kernel: [ 12.080950] usbcore: registered new interface driver cdc_wdm Dec 15 21:49:26 ThinkPad kernel: [ 12.089352] qmi_wwan 2-1.4:1.0: cdc-wdm0: USB WDM device Dec 15 21:49:26 ThinkPad kernel: [ 12.089629] qmi_wwan 2-1.4:1.0 wwan0: register 'qmi_wwan' at usb-0000:00:1d.0-1.4, WWAN/QMI device, 86:f3:f1:57:ac:04 Dec 15 21:49:26 ThinkPad kernel: [ 12.089851] usbcore: registered new interface driver qmi_wwan Dec 15 21:49:27 ThinkPad kernel: [ 13.014113] blk_update_request: I/O error, dev loop2, sector 776360 Dec 15 21:49:27 ThinkPad kernel: [ 13.026856] blk_update_request: I/O error, dev loop2, sector 777792 Dec 15 21:49:27 ThinkPad kernel: [ 13.406901] e1000e: enp0s25 NIC Link is Up 100 Mbps Full Duplex, Flow Control: Rx/Tx Dec 15 21:49:27 ThinkPad kernel: [ 13.406909] e1000e 0000:00:19.0 enp0s25: 10/100 speed: disabling TSO Dec 15 21:49:27 ThinkPad kernel: [ 13.406948] IPv6: ADDRCONF(NETDEV_CHANGE): enp0s25: link becomes ready Dec 15 21:49:27 ThinkPad kernel: [ 13.411598] blk_update_request: I/O error, dev loop0, sector 1364024 Dec 15 21:49:27 ThinkPad kernel: [ 13.525480] blk_update_request: I/O error, dev loop2, sector 778064 Dec 15 21:49:28 ThinkPad kernel: [ 13.733896] Bluetooth: RFCOMM TTY layer initialized Dec 15 21:49:28 ThinkPad kernel: [ 13.733906] Bluetooth: RFCOMM socket layer initialized Dec 15 21:49:28 ThinkPad kernel: [ 13.733912] Bluetooth: RFCOMM ver 1.11 Dec 15 21:49:28 ThinkPad kernel: [ 13.758583] blk_update_request: I/O error, dev loop0, sector 1360048 Dec 15 21:49:28 ThinkPad kernel: [ 13.765377] blk_update_request: I/O error, dev loop0, sector 1364032 Dec 15 21:49:28 ThinkPad kernel: [ 13.778920] blk_update_request: I/O error, dev loop0, sector 1364040 Dec 15 21:49:28 ThinkPad kernel: [ 13.785037] blk_update_request: I/O error, dev loop0, sector 1364048 Dec 15 21:49:28 ThinkPad gnome-session-binary[3083]: Entering running state Dec 15 21:49:37 ThinkPad kernel: [ 22.759620] blk_update_request: 15 callbacks suppressed Dec 15 21:49:37 ThinkPad kernel: [ 22.759623] blk_update_request: I/O error, dev loop0, sector 1364072 Dec 15 21:49:37 ThinkPad kernel: [ 22.803618] hidraw: raw HID events driver (C) Jiri Kosina Dec 15 21:49:37 ThinkPad kernel: [ 22.806751] Bluetooth: HIDP (Human Interface Emulation) ver 1.2 Dec 15 21:49:37 ThinkPad kernel: [ 22.806758] Bluetooth: HIDP socket layer initialized Dec 15 21:49:37 ThinkPad kernel: [ 22.811095] hid-generic 0005:0D62:01BF.0001: unknown main item tag 0x0 Dec 15 21:49:37 ThinkPad kernel: [ 22.811211] input: Bluetooth Mouse as /devices/pci0000:00/0000:00:1a.0/usb1/1-1/1-1.4/1-1.4:1.0/bluetooth/hci0/hci0:11/0005:0D62:01BF.0001/input/input17 Dec 15 21:49:37 ThinkPad kernel: [ 22.811384] hid-generic 0005:0D62:01BF.0001: input,hidraw0: BLUETOOTH HID v1.39 Mouse [ Bluetooth Mouse] on ec:55:f9:fa:c6:1d Dec 15 21:50:41 ThinkPad kernel: [ 86.683594] blk_update_request: I/O error, dev loop2, sector 2343552 Dec 15 21:50:41 ThinkPad kernel: [ 86.690626] blk_update_request: I/O error, dev loop2, sector 2339064 Dec 15 21:50:41 ThinkPad kernel: [ 86.703606] blk_update_request: I/O error, dev loop2, sector 2057600 Dec 15 21:50:41 ThinkPad kernel: [ 86.713265] blk_update_request: I/O error, dev loop2, sector 2343592 Dec 15 21:50:41 ThinkPad kernel: [ 86.715556] blk_update_request: I/O error, dev loop2, sector 2057608 Dec 15 21:50:41 ThinkPad kernel: [ 86.861531] blk_update_request: I/O error, dev loop2, sector 2339104 Dec 15 21:50:42 ThinkPad kernel: [ 87.954169] blk_update_request: I/O error, dev loop2, sector 2343632 --- ApportVersion: 2.19.3-0ubuntu2 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: marcin 3226 F.... pulseaudio CasperVersion: 1.366 DistroRelease: Ubuntu 16.04 LiveMediaBuild: Ubuntu 16.04 LTS "Xenial Xerus" - Alpha amd64 (20151202) MachineType: LENOVO 4291PR5 Package: linux (not installed) ProcEnviron: TERM=xterm-256color PATH=(custom, no user) LANG=en_US.UTF-8 SHELL=/bin/bash ProcFB: 0 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/Ubuntu/16.04/desktop-amd64/casper/vmlinuz.efi append noprompt boot=casper intel_iommu=on toram showmounts persistent-path=/Ubuntu/16.04/desktop-amd64 persistent userfullname=MarcinCelebucki username=marcin hostname=hostname iso-scan/filename=/Ubuntu/16.04/xenial-desktop-amd64.iso cdrom-detect/try-usb=true ProcVersionSignature: Ubuntu 4.2.0-19.23-generic 4.2.6 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-4.2.0-19-generic N/A linux-backports-modules-4.2.0-19-generic N/A linux-firmware 1.154 Tags: xenial UdevLog: Error: [Errno 2] No such file or directory: '/var/log/udev' Uname: Linux 4.2.0-19-generic x86_64 UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: _MarkForUpload: True dmi.bios.date: 05/14/2015 dmi.bios.vendor: LENOVO dmi.bios.version: 8DET70WW (1.40 ) dmi.board.asset.tag: Not Available dmi.board.name: 4291PR5 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:bvr8DET70WW(1.40):bd05/14/2015:svnLENOVO:pn4291PR5:pvrThinkPadX220:rvnLENOVO:rn4291PR5:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable: dmi.product.name: 4291PR5 dmi.product.version: ThinkPad X220 dmi.sys.vendor: LENOVO To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1526537/+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
