On 2018/5/18 8:51, Jaegeuk Kim wrote:
> On 05/08, Chandan Rajendra wrote:
>> Hi,
>>
>> The following "Hung task" information is seen when executing generic/256 test
>> on next-20180503.
> 
> Hi Chandan,
> 
> Is this still happening? Since I don't see this in my local test.

With last dev-test codes, I can't reproduce this bug..

Could you have a try with codes in dev-test branch of Jaegeuk's tree?

Thanks,

> 
> Thanks,
> 
>>
>> [ 1964.025145] F2FS-fs (loop1): Mounted with checkpoint version = 22d8b4fd
>> [ 2212.833962] INFO: task umount:16199 blocked for more than 120 seconds.
>> [ 2212.835736]       Tainted: G        W         
>> 4.17.0-rc3-next-20180503-04271-g6eb58cf86baa #1
>> [ 2212.837944] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables 
>> this message.
>> [ 2212.840002] umount          D14184 16199  16195 0x00000000
>> [ 2212.841470] Call Trace:
>> [ 2212.842211]  ? __schedule+0x28a/0xad0
>> [ 2212.843234]  schedule+0x2f/0x90
>> [ 2212.844122]  io_schedule+0x12/0x40
>> [ 2212.845071]  wait_on_page_bit_common+0xe2/0x160
>> [ 2212.846159]  ? page_cache_tree_insert+0x130/0x130
>> [ 2212.846827]  __filemap_fdatawait_range+0xe5/0x150
>> [ 2212.847473]  ? sync_inodes_sb+0x1ff/0x450
>> [ 2212.848050]  filemap_fdatawait_keep_errors+0x1a/0x40
>> [ 2212.848751]  sync_inodes_sb+0x262/0x450
>> [ 2212.849282]  sync_filesystem+0x57/0x90
>> [ 2212.849821]  generic_shutdown_super+0x22/0x100
>> [ 2212.850435]  kill_block_super+0x21/0x50
>> [ 2212.850989]  deactivate_locked_super+0x2f/0x70
>> [ 2212.851596]  cleanup_mnt+0x3b/0x70
>> [ 2212.852092]  task_work_run+0xa1/0xd0
>> [ 2212.852580]  exit_to_usermode_loop+0x83/0x90
>> [ 2212.853185]  do_syscall_64+0x157/0x180
>> [ 2212.853725]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
>> [ 2212.854420] RIP: 0033:0x7fadbca7d357
>> [ 2212.854935] Code: Bad RIP value.
>> [ 2212.855384] RSP: 002b:00007ffe15b2bbb8 EFLAGS: 00000246 ORIG_RAX: 
>> 00000000000000a6
>> [ 2212.856418] RAX: 0000000000000000 RBX: 0000561162acc2d0 RCX: 
>> 00007fadbca7d357
>> [ 2212.857393] RDX: 0000000000000001 RSI: 0000000000000000 RDI: 
>> 0000561162ad1390
>> [ 2212.858391] RBP: 0000000000000000 R08: 000000000000fef8 R09: 
>> 0000feff00000000
>> [ 2212.859367] R10: 0000000000000000 R11: 0000000000000246 R12: 
>> 0000561162ad1390
>> [ 2212.860345] R13: 00007fadbd8231a4 R14: 0000561162acc4b0 R15: 
>> 00007ffe15b2be28
>>
>> The following is the contents of the xfstests' local.config file,
>>
>> # F2FS
>> export TEST_DEV=/dev/loop0
>> export TEST_DIR=/mnt/xfstest-test
>> export SCRATCH_DEV=/dev/loop1
>> export SCRATCH_MNT=/mnt/xfstest-scratch
>> MKFS_OPTIONS="-O encrypt"
>> MOUNT_OPTIONS="-o test_dummy_encryption"
>>
>> -- 
>> chandan
>>
>>
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> 
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> 


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