apport information ** Attachment added: "CurrentDmesg.txt" https://bugs.launchpad.net/bugs/1662573/+attachment/4815226/+files/CurrentDmesg.txt
-- 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/1662573 Title: bcache ioutil to 100% needs node reboot (no kern logs related) Status in linux package in Ubuntu: Incomplete Bug description: bcache (bcache0 in this sample) ioutil goes to 100% and avgqu-sz also gets affected. Bcache slaves don't get affected, but does affect storage performance. See excerpt (bcache0): http://pastebin.ubuntu.com/23948463/ * Bcache blocks are running Ceph OSDs. * HW is PowerEdge R730xd * Kernel version is: 4.4.0-51-generic * Ubuntu 14.04.5 LTS * bcache-tools 1.0.7-1~14.04.1 Please let me know if you would need further detail. --- AlsaDevices: total 0 crw-rw---- 1 root audio 116, 1 Feb 7 12:45 seq crw-rw---- 1 root audio 116, 33 Feb 7 12:45 timer AplayDevices: Error: [Errno 2] No such file or directory ApportVersion: 2.14.1-0ubuntu3.21 Architecture: amd64 ArecordDevices: Error: [Errno 2] No such file or directory AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/seq', '/dev/snd/timer'] failed with exit code 1: DistroRelease: Ubuntu 14.04 IwConfig: Error: [Errno 2] No such file or directory Lsusb: Bus 002 Device 002: ID 8087:8002 Intel Corp. Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 001 Device 003: ID 413c:a001 Dell Computer Corp. Hub Bus 001 Device 002: ID 8087:800a Intel Corp. Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub MachineType: Dell Inc. PowerEdge R730xd Package: linux (not installed) PciMultimedia: ProcEnviron: TERM=screen PATH=(custom, no user) LANG=en_US.UTF-8 SHELL=/bin/bash ProcFB: ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-51-generic root=UUID=dc9574d7-cd8b-4db0-af85-db73ea17df65 ro console=tty0 console=ttyS0,115200n8 ProcVersionSignature: Ubuntu 4.4.0-51.72~14.04.1-generic 4.4.30 RelatedPackageVersions: linux-restricted-modules-4.4.0-51-generic N/A linux-backports-modules-4.4.0-51-generic N/A linux-firmware 1.127.22 RfKill: Error: [Errno 2] No such file or directory Tags: trusty uec-images Uname: Linux 4.4.0-51-generic x86_64 UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: _MarkForUpload: True dmi.bios.date: 08/28/2014 dmi.bios.vendor: Dell Inc. dmi.bios.version: 1.0.4 dmi.board.name: 0H21J3 dmi.board.vendor: Dell Inc. dmi.board.version: A04 dmi.chassis.type: 23 dmi.chassis.vendor: Dell Inc. dmi.modalias: dmi:bvnDellInc.:bvr1.0.4:bd08/28/2014:svnDellInc.:pnPowerEdgeR730xd:pvr:rvnDellInc.:rn0H21J3:rvrA04:cvnDellInc.:ct23:cvr: dmi.product.name: PowerEdge R730xd dmi.sys.vendor: Dell Inc. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1662573/+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