This bug is awaiting verification that the kernel in -proposed solves the problem. Please test the kernel and update this bug with the results. If the problem is solved, change the tag 'verification-needed- bionic' to 'verification-done-bionic'. If the problem still exists, change the tag 'verification-needed-bionic' to 'verification-failed- bionic'.
If verification is not done by 5 working days from today, this fix will be dropped from the source code, and this bug will be closed. See https://wiki.ubuntu.com/Testing/EnableProposed for documentation how to enable and use -proposed. Thank you! ** Tags added: verification-needed-bionic -- 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/1767992 Title: Linux md raid-10 freezes during resync Status in linux package in Ubuntu: Confirmed Status in linux source package in Bionic: Fix Committed Bug description: [Impact] * If regular and resync IO happen at the same time during a regular IO split, the split bio will wait until resync IO finishes while at the same time the resync IO is waiting for regular IO to finish. This results in deadlock. * I believe this only impacts Bionic as Disco+ already contains this commit. Xenial doesn't contain the commit that this one fixes. [Test Case] The test kernel containing this commit received positive feedback in the launchpad bug. From the launchpad bug comment #10: "For reproduce on 4.15.0-50-generic: Make new raid-10, add some io fio/dd, unpack anaconda archives, after minute or two deadlocked" [Regression Potential] * This fix has been in mainline since December 2018 and I don't see any fixup commits upstream referencing this one. The small number of changes in this commit seem reasonable for managing the `nr_pending` adjustments which preclude either regular or resync IO. Original bug description follows: --------------------------------- I'm trying to setup a few nodes with software raid-10. When array is created and resync is running i'm trying to install a few packages and frequently system stops responding, resync process stops, and I'm getting following errors in the kernel log. This looks like a deadlock for me. I had this problem in both 18.04 and 16.04. Reboot is the only way to fix the node. [ 2659.317256] INFO: task kworker/u24:13:343 blocked for more than 120 seconds. [ 2659.317313] Not tainted 4.15.0-20-generic #21-Ubuntu [ 2659.317350] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 2659.317401] kworker/u24:13 D 0 343 2 0x80000000 [ 2659.317414] Workqueue: writeback wb_workfn (flush-9:1) [ 2659.317417] Call Trace: [ 2659.317430] __schedule+0x297/0x8b0 [ 2659.317435] schedule+0x2c/0x80 [ 2659.317443] wait_barrier+0x146/0x1a0 [raid10] [ 2659.317449] ? wait_woken+0x80/0x80 [ 2659.317454] raid10_write_request+0x77/0x950 [raid10] [ 2659.317459] ? r10bio_pool_alloc+0x24/0x30 [raid10] [ 2659.317465] ? mempool_alloc+0x71/0x190 [ 2659.317469] ? ___slab_alloc+0x20a/0x4b0 [ 2659.317475] ? md_write_start+0xc8/0x200 [ 2659.317480] ? mempool_alloc_slab+0x15/0x20 [ 2659.317484] raid10_make_request+0xcc/0x140 [raid10] [ 2659.317489] md_handle_request+0x126/0x1a0 [ 2659.317494] md_make_request+0x6b/0x150 [ 2659.317501] generic_make_request+0x124/0x300 [ 2659.317506] submit_bio+0x73/0x150 [ 2659.317510] ? submit_bio+0x73/0x150 [ 2659.317579] xfs_submit_ioend+0x87/0x1c0 [xfs] [ 2659.317626] xfs_do_writepage+0x377/0x6a0 [xfs] [ 2659.317632] write_cache_pages+0x20c/0x4e0 [ 2659.317674] ? xfs_vm_writepages+0xf0/0xf0 [xfs] [ 2659.317682] ? intel_pstate_update_pstate+0x40/0x40 [ 2659.317687] ? update_load_avg+0x5c5/0x6e0 [ 2659.317727] xfs_vm_writepages+0xbe/0xf0 [xfs] [ 2659.317732] do_writepages+0x4b/0xe0 [ 2659.317738] ? check_preempt_curr+0x83/0x90 [ 2659.317742] ? ttwu_do_wakeup+0x1e/0x150 [ 2659.317746] __writeback_single_inode+0x45/0x340 [ 2659.317749] ? __writeback_single_inode+0x45/0x340 [ 2659.317752] writeback_sb_inodes+0x1e1/0x510 [ 2659.317756] __writeback_inodes_wb+0x67/0xb0 [ 2659.317759] wb_writeback+0x271/0x300 [ 2659.317764] wb_workfn+0x180/0x410 [ 2659.317766] ? wb_workfn+0x180/0x410 [ 2659.317773] process_one_work+0x1de/0x410 [ 2659.317776] worker_thread+0x32/0x410 [ 2659.317781] kthread+0x121/0x140 [ 2659.317784] ? process_one_work+0x410/0x410 [ 2659.317788] ? kthread_create_worker_on_cpu+0x70/0x70 [ 2659.317793] ? do_syscall_64+0x73/0x130 [ 2659.317797] ? SyS_exit_group+0x14/0x20 [ 2659.317801] ret_from_fork+0x35/0x40 [ 2659.317806] INFO: task md1_resync:429 blocked for more than 120 seconds. [ 2659.317853] Not tainted 4.15.0-20-generic #21-Ubuntu [ 2659.317889] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 2659.317940] md1_resync D 0 429 2 0x80000000 [ 2659.317943] Call Trace: [ 2659.317949] __schedule+0x297/0x8b0 [ 2659.317954] schedule+0x2c/0x80 [ 2659.317959] raise_barrier+0xa1/0x1a0 [raid10] [ 2659.317963] ? wait_woken+0x80/0x80 [ 2659.317968] raid10_sync_request+0x205/0x1f10 [raid10] [ 2659.317975] ? find_next_bit+0xb/0x10 [ 2659.317980] ? cpumask_next+0x1b/0x20 [ 2659.317985] ? is_mddev_idle+0x92/0xf4 [ 2659.317990] md_do_sync+0x8ca/0xf10 [ 2659.317994] ? wait_woken+0x80/0x80 [ 2659.318000] md_thread+0x129/0x170 [ 2659.318004] ? mddev_put+0x140/0x140 [ 2659.318007] ? md_thread+0x129/0x170 [ 2659.318012] kthread+0x121/0x140 [ 2659.318015] ? find_pers+0x70/0x70 [ 2659.318019] ? kthread_create_worker_on_cpu+0x70/0x70 [ 2659.318023] ret_from_fork+0x35/0x40 [ 2659.318031] INFO: task xfsaild/md1p1:701 blocked for more than 120 seconds. [ 2659.318077] Not tainted 4.15.0-20-generic #21-Ubuntu [ 2659.318113] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 2659.318164] xfsaild/md1p1 D 0 701 2 0x80000000 [ 2659.318167] Call Trace: [ 2659.318172] __schedule+0x297/0x8b0 [ 2659.318177] ? mempool_alloc_slab+0x15/0x20 [ 2659.318181] schedule+0x2c/0x80 [ 2659.318186] wait_barrier+0x146/0x1a0 [raid10] [ 2659.318189] ? wait_woken+0x80/0x80 [ 2659.318194] raid10_write_request+0x77/0x950 [raid10] [ 2659.318198] ? r10bio_pool_alloc+0x24/0x30 [raid10] [ 2659.318202] ? mempool_alloc+0x71/0x190 [ 2659.318206] ? md_write_start+0xc8/0x200 [ 2659.318211] raid10_make_request+0xcc/0x140 [raid10] [ 2659.318215] md_handle_request+0x126/0x1a0 [ 2659.318220] md_make_request+0x6b/0x150 [ 2659.318225] generic_make_request+0x124/0x300 [ 2659.318230] submit_bio+0x73/0x150 [ 2659.318234] ? submit_bio+0x73/0x150 [ 2659.318283] _xfs_buf_ioapply+0x31e/0x4e0 [xfs] [ 2659.318330] ? xfs_buf_delwri_submit_buffers+0xfa/0x290 [xfs] [ 2659.318372] xfs_buf_submit+0x65/0x200 [xfs] [ 2659.318412] ? xfs_buf_submit+0x65/0x200 [xfs] [ 2659.318451] xfs_buf_delwri_submit_buffers+0xfa/0x290 [xfs] [ 2659.318492] ? xfs_buf_delwri_submit_nowait+0x10/0x20 [xfs] [ 2659.318534] xfs_buf_delwri_submit_nowait+0x10/0x20 [xfs] [ 2659.318573] ? xfs_buf_delwri_submit_nowait+0x10/0x20 [xfs] [ 2659.318628] xfsaild+0x378/0x7b0 [xfs] [ 2659.318633] ? __schedule+0x29f/0x8b0 [ 2659.318638] kthread+0x121/0x140 [ 2659.318691] ? xfs_trans_ail_cursor_first+0x90/0x90 [xfs] [ 2659.318695] ? kthread+0x121/0x140 [ 2659.318744] ? xfs_trans_ail_cursor_first+0x90/0x90 [xfs] [ 2659.318749] ? kthread_create_worker_on_cpu+0x70/0x70 [ 2659.318753] ret_from_fork+0x35/0x40 [ 2659.318758] INFO: task journal-offline:17690 blocked for more than 120 seconds. [ 2659.318806] Not tainted 4.15.0-20-generic #21-Ubuntu [ 2659.318843] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 2659.318893] journal-offline D 0 17690 1 0x00000100 [ 2659.318897] Call Trace: [ 2659.318902] __schedule+0x297/0x8b0 [ 2659.318907] schedule+0x2c/0x80 [ 2659.318911] wait_barrier+0x146/0x1a0 [raid10] [ 2659.318915] ? wait_woken+0x80/0x80 [ 2659.318920] raid10_write_request+0x77/0x950 [raid10] [ 2659.318924] ? r10bio_pool_alloc+0x24/0x30 [raid10] [ 2659.318928] ? mempool_alloc+0x71/0x190 [ 2659.318933] ? md_write_start+0xc8/0x200 [ 2659.318938] ? flush_tlb_func_common.constprop.11+0x220/0x220 [ 2659.318942] raid10_make_request+0xcc/0x140 [raid10] [ 2659.318947] md_handle_request+0x126/0x1a0 [ 2659.318951] md_make_request+0x6b/0x150 [ 2659.318957] generic_make_request+0x124/0x300 [ 2659.318962] submit_bio+0x73/0x150 [ 2659.318966] ? submit_bio+0x73/0x150 [ 2659.319015] xfs_submit_ioend+0x87/0x1c0 [xfs] [ 2659.319057] xfs_do_writepage+0x377/0x6a0 [xfs] [ 2659.319063] write_cache_pages+0x20c/0x4e0 [ 2659.319104] ? xfs_vm_writepages+0xf0/0xf0 [xfs] [ 2659.319144] xfs_vm_writepages+0xbe/0xf0 [xfs] [ 2659.319149] do_writepages+0x4b/0xe0 [ 2659.319154] __filemap_fdatawrite_range+0xc1/0x100 [ 2659.319158] ? __filemap_fdatawrite_range+0xc1/0x100 [ 2659.319163] file_write_and_wait_range+0x5a/0xb0 [ 2659.319210] xfs_file_fsync+0x5f/0x230 [xfs] [ 2659.319215] vfs_fsync_range+0x51/0xb0 [ 2659.319218] do_fsync+0x3d/0x70 [ 2659.319222] SyS_fsync+0x10/0x20 [ 2659.319226] do_syscall_64+0x73/0x130 [ 2659.319230] entry_SYSCALL_64_after_hwframe+0x3d/0xa2 [ 2659.319234] RIP: 0033:0x7f3efab64237 [ 2659.319236] RSP: 002b:00007f3ef6267cb0 EFLAGS: 00000293 ORIG_RAX: 000000000000004a [ 2659.319240] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f3efab64237 [ 2659.319241] RDX: 0000000000000000 RSI: 00007f3efa771e9a RDI: 0000000000000017 [ 2659.319243] RBP: 00007f3efa773660 R08: 00007f3ef6268700 R09: 00007f3ef6268700 [ 2659.319245] R10: 0000000000000e9a R11: 0000000000000293 R12: 0000000000000002 [ 2659.319247] R13: 0000000000000000 R14: 00005556663a10b0 R15: 00007ffdce2bd200 [ 2659.319256] INFO: task kworker/1:0:2163 blocked for more than 120 seconds. [ 2659.319302] Not tainted 4.15.0-20-generic #21-Ubuntu [ 2659.319339] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 2659.319389] kworker/1:0 D 0 2163 2 0x80000000 [ 2659.319397] Workqueue: md md_submit_flush_data [ 2659.319399] Call Trace: [ 2659.319405] __schedule+0x297/0x8b0 [ 2659.319409] ? enqueue_entity+0x10e/0x6b0 [ 2659.319414] schedule+0x2c/0x80 [ 2659.319418] wait_barrier+0x146/0x1a0 [raid10] [ 2659.319422] ? wait_woken+0x80/0x80 [ 2659.319427] raid10_write_request+0x77/0x950 [raid10] [ 2659.319431] ? r10bio_pool_alloc+0x24/0x30 [raid10] [ 2659.319435] ? mempool_alloc+0x71/0x190 [ 2659.319439] ? md_write_start+0xc8/0x200 [ 2659.319444] raid10_make_request+0xcc/0x140 [raid10] [ 2659.319448] md_handle_request+0x126/0x1a0 [ 2659.319453] md_make_request+0x6b/0x150 [ 2659.319458] generic_make_request+0x124/0x300 [ 2659.319463] raid10_write_request+0x6bb/0x950 [raid10] [ 2659.319467] ? raid10_write_request+0x6bb/0x950 [raid10] [ 2659.319471] ? r10bio_pool_alloc+0x24/0x30 [raid10] [ 2659.319474] ? mempool_alloc+0x71/0x190 [ 2659.319478] ? md_write_start+0xc8/0x200 [ 2659.319483] raid10_make_request+0xcc/0x140 [raid10] [ 2659.319487] md_handle_request+0x126/0x1a0 [ 2659.319492] md_submit_flush_data+0x54/0x70 [ 2659.319495] process_one_work+0x1de/0x410 [ 2659.319498] worker_thread+0x32/0x410 [ 2659.319503] kthread+0x121/0x140 [ 2659.319506] ? process_one_work+0x410/0x410 [ 2659.319510] ? kthread_create_worker_on_cpu+0x70/0x70 [ 2659.319513] ret_from_fork+0x35/0x40 [ 2659.319522] INFO: task kworker/2:4:9775 blocked for more than 120 seconds. [ 2659.319568] Not tainted 4.15.0-20-generic #21-Ubuntu [ 2659.319604] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 2659.319655] kworker/2:4 D 0 9775 2 0x80000000 [ 2659.319661] Workqueue: md md_submit_flush_data [ 2659.319663] Call Trace: [ 2659.319668] __schedule+0x297/0x8b0 [ 2659.319673] schedule+0x2c/0x80 [ 2659.319677] wait_barrier+0x146/0x1a0 [raid10] [ 2659.319681] ? wait_woken+0x80/0x80 [ 2659.319685] raid10_write_request+0x77/0x950 [raid10] [ 2659.319689] ? r10bio_pool_alloc+0x24/0x30 [raid10] [ 2659.319693] ? mempool_alloc+0x71/0x190 [ 2659.319697] ? md_write_start+0xc8/0x200 [ 2659.319702] raid10_make_request+0xcc/0x140 [raid10] [ 2659.319706] md_handle_request+0x126/0x1a0 [ 2659.319711] md_submit_flush_data+0x54/0x70 [ 2659.319714] process_one_work+0x1de/0x410 [ 2659.319717] worker_thread+0x32/0x410 [ 2659.319721] kthread+0x121/0x140 [ 2659.319724] ? process_one_work+0x410/0x410 [ 2659.319728] ? kthread_create_worker_on_cpu+0x70/0x70 [ 2659.319732] ? do_syscall_64+0x73/0x130 [ 2659.319735] ? SyS_exit_group+0x14/0x20 [ 2659.319738] ret_from_fork+0x35/0x40 [ 2659.319750] INFO: task dpkg:17453 blocked for more than 120 seconds. [ 2659.319792] Not tainted 4.15.0-20-generic #21-Ubuntu [ 2659.319829] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 2659.319879] dpkg D 0 17453 17180 0x00000000 [ 2659.319882] Call Trace: [ 2659.319887] __schedule+0x297/0x8b0 [ 2659.319944] ? xlog_sync+0x2c1/0x3b0 [xfs] [ 2659.319949] schedule+0x2c/0x80 [ 2659.319999] _xfs_log_force_lsn+0x1fa/0x330 [xfs] [ 2659.320003] ? file_check_and_advance_wb_err+0x35/0xe0 [ 2659.320008] ? wake_up_q+0x80/0x80 [ 2659.320056] xfs_file_fsync+0xfd/0x230 [xfs] [ 2659.320061] vfs_fsync_range+0x51/0xb0 [ 2659.320064] do_fsync+0x3d/0x70 [ 2659.320067] SyS_fsync+0x10/0x20 [ 2659.320071] do_syscall_64+0x73/0x130 [ 2659.320076] entry_SYSCALL_64_after_hwframe+0x3d/0xa2 [ 2659.320078] RIP: 0033:0x7f97758f9214 [ 2659.320080] RSP: 002b:00007ffe2cd910e8 EFLAGS: 00000246 ORIG_RAX: 000000000000004a [ 2659.320083] RAX: ffffffffffffffda RBX: 00005622a49c6300 RCX: 00007f97758f9214 [ 2659.320085] RDX: 0000000000000001 RSI: 00005622a49ce340 RDI: 000000000000000b [ 2659.320086] RBP: 00005622a3a35174 R08: 00005622a49c6373 R09: 0000000000000000 [ 2659.320088] R10: 0000000000000000 R11: 0000000000000246 R12: 00005622a49c6210 [ 2659.320090] R13: 00005622a3a35173 R14: 000000000000000b R15: 00005622a49ce340 [ 2659.320094] INFO: task kworker/4:2:17583 blocked for more than 120 seconds. [ 2659.320140] Not tainted 4.15.0-20-generic #21-Ubuntu [ 2659.320176] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 2659.320226] kworker/4:2 D 0 17583 2 0x80000000 [ 2659.320281] Workqueue: xfs-sync/md1p1 xfs_log_worker [xfs] [ 2659.320283] Call Trace: [ 2659.320289] __schedule+0x297/0x8b0 [ 2659.320293] schedule+0x2c/0x80 [ 2659.320298] md_flush_request+0x6c/0x120 [ 2659.320302] ? wait_woken+0x80/0x80 [ 2659.320307] raid10_make_request+0x106/0x140 [raid10] [ 2659.320311] md_handle_request+0x126/0x1a0 [ 2659.320316] md_make_request+0x6b/0x150 [ 2659.320322] generic_make_request+0x124/0x300 [ 2659.320326] submit_bio+0x73/0x150 [ 2659.320330] ? submit_bio+0x73/0x150 [ 2659.320378] _xfs_buf_ioapply+0x31e/0x4e0 [xfs] [ 2659.320385] ? kernel_fpu_end+0xe/0x10 [ 2659.320433] ? xlog_bdstrat+0x2b/0x60 [xfs] [ 2659.320479] xfs_buf_submit+0x65/0x200 [xfs] [ 2659.320520] ? xfs_buf_submit+0x65/0x200 [xfs] [ 2659.320567] xlog_bdstrat+0x2b/0x60 [xfs] [ 2659.320611] xlog_sync+0x2c1/0x3b0 [xfs] [ 2659.320654] xlog_state_release_iclog+0x6c/0xc0 [xfs] [ 2659.320696] _xfs_log_force+0x21e/0x290 [xfs] [ 2659.320702] ? __switch_to+0xad/0x500 [ 2659.320744] ? xfs_log_worker+0x34/0x100 [xfs] [ 2659.320784] xfs_log_force+0x2c/0x80 [xfs] [ 2659.320824] xfs_log_worker+0x34/0x100 [xfs] [ 2659.320828] process_one_work+0x1de/0x410 [ 2659.320832] worker_thread+0x32/0x410 [ 2659.320836] kthread+0x121/0x140 [ 2659.320839] ? process_one_work+0x410/0x410 [ 2659.320843] ? kthread_create_worker_on_cpu+0x70/0x70 [ 2659.320847] ? do_syscall_64+0x73/0x130 [ 2659.320850] ? SyS_exit_group+0x14/0x20 [ 2659.320854] ret_from_fork+0x35/0x40 [ 2659.320858] INFO: task bash:17617 blocked for more than 120 seconds. [ 2659.320901] Not tainted 4.15.0-20-generic #21-Ubuntu [ 2659.320938] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 2659.320988] bash D 0 17617 5271 0x80000000 [ 2659.320991] Call Trace: [ 2659.320997] __schedule+0x297/0x8b0 [ 2659.321002] schedule+0x2c/0x80 [ 2659.321006] wait_barrier+0x146/0x1a0 [raid10] [ 2659.321010] ? wait_woken+0x80/0x80 [ 2659.321015] raid10_read_request+0xa4/0x4a0 [raid10] [ 2659.321019] ? r10bio_pool_alloc+0x24/0x30 [raid10] [ 2659.321023] ? mempool_alloc+0x71/0x190 [ 2659.321027] ? mempool_alloc_slab+0x15/0x20 [ 2659.321030] ? kmem_cache_alloc+0xa2/0x1b0 [ 2659.321036] ? radix_tree_node_alloc.constprop.19+0x7f/0xc0 [ 2659.321040] raid10_make_request+0xff/0x140 [raid10] [ 2659.321045] md_handle_request+0x126/0x1a0 [ 2659.321050] md_make_request+0x6b/0x150 [ 2659.321055] generic_make_request+0x124/0x300 [ 2659.321060] submit_bio+0x73/0x150 [ 2659.321064] ? submit_bio+0x73/0x150 [ 2659.321070] ? guard_bio_eod+0x2c/0xf0 [ 2659.321073] mpage_readpages+0x1ae/0x1e0 [ 2659.321123] ? xfs_map_at_offset+0x30/0x30 [xfs] [ 2659.321168] xfs_vm_readpages+0x35/0x90 [xfs] [ 2659.321173] __do_page_cache_readahead+0x1c9/0x2c0 [ 2659.321178] ondemand_readahead+0x11a/0x2a0 [ 2659.321204] ? find_get_entry+0x1e/0x110 [ 2659.321207] ? ondemand_readahead+0x11a/0x2a0 [ 2659.321212] page_cache_sync_readahead+0x2e/0x50 [ 2659.321215] generic_file_read_iter+0x7fb/0xbf0 [ 2659.321221] ? _cond_resched+0x19/0x40 [ 2659.321224] ? down_read+0x12/0x40 [ 2659.321273] xfs_file_buffered_aio_read+0x5a/0x100 [xfs] [ 2659.321322] xfs_file_read_iter+0x68/0xc0 [xfs] [ 2659.321334] new_sync_read+0xe4/0x130 [ 2659.321344] __vfs_read+0x29/0x40 [ 2659.321355] vfs_read+0x8e/0x130 [ 2659.321365] kernel_read+0x31/0x50 [ 2659.321372] prepare_binprm+0xef/0x1d0 [ 2659.321376] do_execveat_common.isra.34+0x594/0x810 [ 2659.321382] SyS_execve+0x31/0x40 [ 2659.321391] do_syscall_64+0x73/0x130 [ 2659.321401] entry_SYSCALL_64_after_hwframe+0x3d/0xa2 [ 2659.321409] RIP: 0033:0x7fb415617e37 [ 2659.321414] RSP: 002b:00007fffde7393e8 EFLAGS: 00000246 ORIG_RAX: 000000000000003b [ 2659.321428] RAX: ffffffffffffffda RBX: 0000560263024ab0 RCX: 00007fb415617e37 [ 2659.321432] RDX: 0000560262ffb1c0 RSI: 0000560263024b10 RDI: 0000560263024ab0 [ 2659.321438] RBP: 0000560263024ab0 R08: 00007fffde7393b0 R09: 0000000000000000 [ 2659.321445] R10: 0000000000000008 R11: 0000000000000246 R12: 0000000000000001 [ 2659.321451] R13: 0000560263024b10 R14: 0000560262ffb1c0 R15: 0000000000000000 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1767992/+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
