We can close this bug; not seen with latest build. -- 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/1274479
Title: Call Traces found while executing fsracer tests Status in “linux” package in Ubuntu: Confirmed Bug description: Host machine : 9.3.189.114(roo/.pasroot) run "virsh console harini" to get the console access Description: ----------------- fs racer test from ltp test suite was being run on ubuntu alpha 1 guest. After couple of hours of testing got some errors on the command prompt along with call trace in dmesg. Location for fsracer test : /root/ltp- full-20140115/testcases/kernel/fs/racer/ Ran : nohup /root/ltp-full-20140115/testcases/kernel/fs/racer/fs_racer.sh -t 10000000 & ========================================================================================= On command prompt: --------------------------------- root@ubuntu:~# [88680.412397] INFO: task ln:16792 blocked for more than 120 seconds. [88680.412527] Not tainted 3.13.0-5-generic #20-Ubuntu [88680.412595] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [88680.412992] INFO: task mkdir:16801 blocked for more than 120 seconds. [88680.413079] Not tainted 3.13.0-5-generic #20-Ubuntu [88680.413145] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [88680.413290] INFO: task dd:17882 blocked for more than 120 seconds. [88680.413401] Not tainted 3.13.0-5-generic #20-Ubuntu [88680.413468] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [88680.413625] INFO: task fs_racer_file_c:29630 blocked for more than 120 seconds. [88680.413726] Not tainted 3.13.0-5-generic #20-Ubuntu [88680.413793] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [88680.414025] INFO: task fs_racer_file_c:29631 blocked for more than 120 seconds. [88680.414127] Not tainted 3.13.0-5-generic #20-Ubuntu [88680.414196] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [88680.414341] INFO: task ln:29635 blocked for more than 120 seconds. [88680.414425] Not tainted 3.13.0-5-generic #20-Ubuntu [88680.414491] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [88680.414632] INFO: task ln:29637 blocked for more than 120 seconds. [88680.414715] Not tainted 3.13.0-5-generic #20-Ubuntu [88680.414782] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [88680.415139] INFO: task fs_racer_file_c:29641 blocked for more than 120 seconds. [88680.415243] Not tainted 3.13.0-5-generic #20-Ubuntu [88680.415311] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [88680.415456] INFO: task mkdir:29646 blocked for more than 120 seconds. [88680.415539] Not tainted 3.13.0-5-generic #20-Ubuntu [88680.415605] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [88680.415748] INFO: task mkdir:29647 blocked for more than 120 seconds. [88680.415835] Not tainted 3.13.0-5-generic #20-Ubuntu [88680.415983] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. ============================================================================== Call trace: ------------- [88680.412397] INFO: task ln:16792 blocked for more than 120 seconds. [88680.412527] Not tainted 3.13.0-5-generic #20-Ubuntu [88680.412595] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [88680.412696] ln D 00003fff9b89ea68 0 16792 25258 0x00040000 [88680.412703] Call Trace: [88680.412732] [c000000c76ad74b0] [c000000c765eeae0] 0xc000000c765eeae0 (unreliable) [88680.412852] [c000000c76ad7680] [c0000000000154c0] .__switch_to+0x1d0/0x340 [88680.412917] [c000000c76ad7730] [c000000000abd968] .__schedule+0x368/0x8c0 [88680.412922] [c000000c76ad79b0] [c000000000abe498] .schedule_preempt_disabled+0x18/0x30 [88680.412926] [c000000c76ad7a20] [c000000000ac078c] .__mutex_lock_slowpath+0x18c/0x2c0 [88680.412930] [c000000c76ad7af0] [c000000000ac0924] .mutex_lock+0x64/0x68 [88680.412975] [c000000c76ad7b70] [c0000000002303e0] .kern_path_create+0xb0/0x1e0 [88680.412979] [c000000c76ad7cd0] [c000000000232a48] .user_path_create+0x68/0xa0 [88680.412983] [c000000c76ad7d60] [c000000000233c88] .SyS_symlinkat+0x78/0x140 [88680.412989] [c000000c76ad7e30] [c000000000009e58] syscall_exit+0x0/0x98 =================================================================================== File system status at that moment -------------------------------------- root@ubuntu:~# df -h Filesystem Size Used Avail Use% Mounted on /dev/sda 50G 18G 29G 39% / none 4.0K 0 4.0K 0% /sys/fs/cgroup devtmpfs 25G 8.0K 25G 1% /dev none 5.0G 216K 5.0G 1% /run none 5.0M 0 5.0M 0% /run/lock none 25G 0 25G 0% /run/shm none 100M 0 100M 0% /run/user root@ubuntu:~# root@ubuntu:~# uname -a Linux ubuntu 3.13.0-5-generic #20-Ubuntu SMP Mon Jan 20 20:03:57 UTC 2014 ppc64le ppc64le ppc64le GNU/Linux root@ubuntu:~# --- ApportVersion: 2.13.2-0ubuntu2 Architecture: ppc64el CRDA: Error: command ['iw', 'reg', 'get'] failed with exit code 1: nl80211 not found. DistroRelease: Ubuntu 14.04 IwConfig: lo no wireless extensions. tunl0 no wireless extensions. eth0 no wireless extensions. Lsusb: Bus 001 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Package: linux (not installed) ProcEnviron: TERM=vt102 PATH=(custom, no user) LANG=en_US.UTF-8 SHELL=/bin/bash ProcFB: ProcKernelCmdLine: root=/dev/sda ProcModules: dm_crypt 29694 0 - Live 0xd000000006b36000 pseries_rng 3309 0 - Live 0xd000000006a7f000 rtc_generic 2711 0 - Live 0xd000000006a33000 ProcVersionSignature: Ubuntu 3.13.0-5.20-generic 3.13.0 RelatedPackageVersions: linux-restricted-modules-3.13.0-5-generic N/A linux-backports-modules-3.13.0-5-generic N/A linux-firmware 1.122 RfKill: Error: [Errno 2] No such file or directory Tags: trusty uec-images Uname: Linux 3.13.0-5-generic ppc64le UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: _MarkForUpload: True --- ApportVersion: 2.13.2-0ubuntu2 Architecture: ppc64el CRDA: Error: command ['iw', 'reg', 'get'] failed with exit code 1: nl80211 not found. DistroRelease: Ubuntu 14.04 IwConfig: lo no wireless extensions. tunl0 no wireless extensions. eth0 no wireless extensions. Lsusb: Bus 001 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Package: linux (not installed) ProcEnviron: TERM=vt102 PATH=(custom, no user) LANG=en_US.UTF-8 SHELL=/bin/bash ProcFB: ProcKernelCmdLine: root=/dev/sda ProcModules: dm_crypt 29694 0 - Live 0xd000000006b36000 pseries_rng 3309 0 - Live 0xd000000006a7f000 rtc_generic 2711 0 - Live 0xd000000006a33000 ProcVersionSignature: Ubuntu 3.13.0-5.20-generic 3.13.0 RelatedPackageVersions: linux-restricted-modules-3.13.0-5-generic N/A linux-backports-modules-3.13.0-5-generic N/A linux-firmware 1.122 RfKill: Error: [Errno 2] No such file or directory Tags: trusty uec-images Uname: Linux 3.13.0-5-generic ppc64le UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: _MarkForUpload: True To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1274479/+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
