Hello! On Tue 11-02-20 16:14:35, Yang Xu wrote: > Since xfstests support rename2, this case(generic/269) reports filesystem > inconsistent problem with ext4 on my system(4.18.0-32.el8.x86_64). I don't remember seeing this in my testing... It might be specific to that RHEL kernel. > When I test generic/269(ext4) on 5.6.0-rc1 kernel, it hangs. > ---------------------------------------------- > dmesg as below: > 76.506753] run fstests generic/269 at 2020-02-11 05:53:44 > [ 76.955667] EXT4-fs (sdc): mounted filesystem with ordered data mode. > Opts: acl, user_xattr > [ 100.912511] device virbr0-nic left promiscuous mode > [ 100.912520] virbr0: port 1(virbr0-nic) entered disabled state > [ 246.801561] INFO: task dd:17284 blocked for more than 122 seconds. > [ 246.801564] Not tainted 5.6.0-rc1 #41 > [ 246.801565] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables > this mes sage. > [ 246.801566] dd D 0 17284 16931 0x00000080 > [ 246.801568] Call Trace: > [ 246.801584] ? __schedule+0x251/0x690 > [ 246.801586] schedule+0x40/0xb0 > [ 246.801588] wb_wait_for_completion+0x52/0x80 > [ 246.801591] ? finish_wait+0x80/0x80 > [ 246.801592] __writeback_inodes_sb_nr+0xaa/0xd0 > [ 246.801593] try_to_writeback_inodes_sb+0x3c/0x50 Interesting. Does the hang resolve eventually or the machine is hung permanently? If the hang is permanent, can you do: echo w >/proc/sysrq-trigger and send us the stacktraces from dmesg? Thanks! Honza > [ 246.801609] ext4_nonda_switch+0x7b/0x80 [ext4] > [ 246.801618] ext4_da_write_begin+0x6f/0x480 [ext4] > [ 246.801621] generic_perform_write+0xf4/0x1b0 > [ 246.801628] ext4_buffered_write_iter+0x8d/0x120 [ext4] > [ 246.801634] ext4_file_write_iter+0x6e/0x700 [ext4] > [ 246.801636] new_sync_write+0x12d/0x1d0 > [ 246.801638] vfs_write+0xa5/0x1a0 > [ 246.801640] ksys_write+0x59/0xd0 > [ 246.801643] do_syscall_64+0x55/0x1b0 > [ 246.801645] entry_SYSCALL_64_after_hwframe+0x44/0xa9 > [ 246.801646] RIP: 0033:0x7fe9ec947b28 > [ 246.801650] Code: Bad RIP value. > ---------------------------------------------- > > Does anyone also meet this problem? > > Best Regards > Yang Xu > > -- Jan Kara <jack@xxxxxxxx> SUSE Labs, CR
