https://bugzilla.kernel.org/show_bug.cgi?id=196223 Bug ID: 196223 Summary: jdb2 journal - hung after suspend-resume test Product: File System Version: 2.5 Kernel Version: 4.12.0-rc7-next-20170629 Hardware: x86-64 OS: Linux Tree: Mainline Status: NEW Severity: blocking Priority: P1 Component: ext4 Assignee: fs_ext4@xxxxxxxxxxxxxxxxxxxx Reporter: marta.lofstedt@xxxxxxxxx Regression: No Created attachment 257243 --> https://bugzilla.kernel.org/attachment.cgi?id=257243&action=edit backtraces jdb2/ext4 hang While running IGT graphics test on linux-next various x86 machines hang. The issue is reproducible with running the fastfeedback.testlist of IGT(https://cgit.freedesktop.org/xorg/app/intel-gpu-tools) Example backtrace from BDW NUCi5, more backtraces from other machines in attachment. <3>[ 1330.158734] INFO: task jbd2/sda2-8:208 blocked for more than 120 seconds. <3>[ 1330.158814] Tainted: G U W 4.12.0-rc7-next-20170629 #1 <3>[ 1330.158877] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. <6>[ 1330.158950] jbd2/sda2-8 D 0 208 2 0x00000000 <4>[ 1330.158956] Call Trace: <4>[ 1330.158969] __schedule+0x3c7/0x830 <4>[ 1330.158974] schedule+0x36/0x80 <4>[ 1330.158979] io_schedule+0x16/0x40 <4>[ 1330.158984] wait_on_page_bit_common+0x10e/0x1d0 <4>[ 1330.158988] ? page_cache_tree_insert+0xf0/0xf0 <4>[ 1330.158992] __filemap_fdatawait_range+0x114/0x180 <4>[ 1330.158998] ? submit_bio+0x73/0x150 <4>[ 1330.159002] ? submit_bio+0x73/0x150 <4>[ 1330.159007] ? jbd2_journal_begin_ordered_truncate+0xb0/0xb0 <4>[ 1330.159012] filemap_fdatawait_keep_errors+0x27/0x50 <4>[ 1330.159016] jbd2_journal_commit_transaction+0x89e/0x16d0 <4>[ 1330.159024] kjournald2+0xd2/0x270 <4>[ 1330.159028] ? kjournald2+0xd2/0x270 <4>[ 1330.159033] ? wait_woken+0x80/0x80 <4>[ 1330.159039] kthread+0x109/0x140 <4>[ 1330.159044] ? commit_timeout+0x10/0x10 <4>[ 1330.159049] ? kthread_create_on_node+0x70/0x70 <4>[ 1330.159053] ret_from_fork+0x25/0x30 <4>[ 1330.159057] NMI backtrace for cpu 0 <4>[ 1330.159061] CPU: 0 PID: 36 Comm: khungtaskd Tainted: G U W 4.12.0-rc7-next-20170629 #1 <4>[ 1330.159063] Hardware name: /NUC5i5RYB, BIOS RYBDWi35.86A.0249.2015.0529.1640 05/29/2015 <4>[ 1330.159064] Call Trace: <4>[ 1330.159070] dump_stack+0x63/0x8d <4>[ 1330.159076] nmi_cpu_backtrace+0xca/0xd0 <4>[ 1330.159081] ? irq_force_complete_move+0x140/0x140 <4>[ 1330.159087] nmi_trigger_cpumask_backtrace+0xde/0x110 <4>[ 1330.159092] arch_trigger_cpumask_backtrace+0x19/0x20 <4>[ 1330.159096] watchdog+0x2dd/0x360 <4>[ 1330.159103] kthread+0x109/0x140 <4>[ 1330.159106] ? reset_hung_task_detector+0x20/0x20 <4>[ 1330.159111] ? kthread_create_on_node+0x70/0x70 <4>[ 1330.159115] ret_from_fork+0x25/0x30 This issue is blocking linux-next testing for i915 driver. -- You are receiving this mail because: You are watching the assignee of the bug.