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Tasklist

FS#36485 - [linux] 3.10.x causes floppy drive to hang on umount

Attached to Project: Arch Linux
Opened by Brian Christiansen (bgc1954) - Saturday, 10 August 2013, 18:02 GMT
Last edited by Tobias Powalowski (tpowa) - Thursday, 10 October 2013, 10:37 GMT
Task Type Bug Report
Category Upstream Bugs
Status Closed
Assigned To Tobias Powalowski (tpowa)
Thomas Bächler (brain0)
Architecture i686
Severity Medium
Priority Normal
Reported Version
Due in Version Undecided
Due Date Undecided
Percent Complete 100%
Votes 0
Private No

Details

Description:

Upgrading from 3.9.9-1 to 3.10.2-1 and any 3.10.x varieties after cause a hang from the kernel when trying to umount the floppy.

Additional info:

dmesg output after hang:
[ 42.609185] EXT4-fs (fd0): mounting ext2 file system using the ext4 subsystem
[ 42.609820] EXT4-fs (fd0): warning: mounting unchecked fs, running e2fsck is recommended
[ 43.220225] EXT4-fs (fd0): mounted filesystem without journal. Opts: (null)
[ 53.483095] EXT4-fs (fd0): mounting ext2 file system using the ext4 subsystem
[ 53.484243] EXT4-fs (fd0): warning: mounting unchecked fs, running e2fsck is recommended
[ 54.094030] EXT4-fs (fd0): mounted filesystem without journal. Opts: (null)
[ 240.253352] INFO: task umount:696 blocked for more than 120 seconds.
[ 240.253361] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 240.253366] umount D f6d12b00 0 696 1 0x00000004
[ 240.253376] f511fdc8 00000086 c016e997 f6d12b00 00000000 00000001 f6735c00 c0754b00
[ 240.253387] c06641a0 f511fd84 c0754b00 f6d12b00 f1876680 f511fd90 c018791f 00003988
[ 240.253398] 00000246 f5c16920 00000246 f511fdc0 c01bd9f3 eba39ec8 ffffffff 273e68c8
[ 240.253408] Call Trace:
[ 240.253424] [<c016e997>] ? set_next_entity+0xb7/0xe0
[ 240.253432] [<c018791f>] ? ktime_get_ts+0x3f/0x100
[ 240.253441] [<c01bd9f3>] ? delayacct_end+0x93/0xa0
[ 240.253448] [<c018791f>] ? ktime_get_ts+0x3f/0x100
[ 240.253455] [<c01f1f00>] ? filemap_fdatawait+0x50/0x50
[ 240.253462] [<c0505933>] schedule+0x23/0x60
[ 240.253468] [<c0505b78>] io_schedule+0x78/0xc0
[ 240.253475] [<c01f1f0d>] sleep_on_page+0xd/0x20
[ 240.253483] [<c0503931>] __wait_on_bit+0x51/0x70
[ 240.253489] [<c01f1f00>] ? filemap_fdatawait+0x50/0x50
[ 240.253496] [<c01f1d16>] wait_on_page_bit+0x86/0x90
[ 240.253504] [<c015b7c0>] ? autoremove_wake_function+0x40/0x40
[ 240.253511] [<c01f1e38>] filemap_fdatawait_range+0xc8/0x140
[ 240.253518] [<c01f1ef4>] filemap_fdatawait+0x44/0x50
[ 240.253526] [<c0265649>] sync_inodes_sb+0x109/0x170
[ 240.253542] [<c02699a4>] sync_filesystem+0x54/0x90
[ 240.253549] [<c0243c1b>] generic_shutdown_super+0x2b/0xc0
[ 240.253556] [<c0243eb2>] kill_block_super+0x22/0x70
[ 240.253563] [<c02441b3>] deactivate_locked_super+0x33/0x50
[ 240.253570] [<c024463a>] deactivate_super+0x3a/0x60
[ 240.253577] [<c025bcd7>] mntput_no_expire+0xb7/0x110
[ 240.253583] [<c025cbca>] SyS_umount+0x9a/0x330
[ 240.253591] [<c050d0cd>] sysenter_do_call+0x12/0x28

Steps to reproduce:

upgrade from kernel 3.9.9-1 to any 3.10.x version and floppy will mount once. Try to umount floppy from terminal and it appears to be ok. Mount floppy again and floppy light activates and terminal doesn't return to prompt. Open another terminal and check dmesg and you get the kernel hang message above.
This task depends upon

Closed by  Tobias Powalowski (tpowa)
Thursday, 10 October 2013, 10:37 GMT
Reason for closing:  Upstream
Comment by Gerardo Exequiel Pozzi (djgera) - Saturday, 10 August 2013, 19:59 GMT
  • Field changed: Summary (3.9.x ->3.10.x causes floppy drive to hang on umount → [linux] 3.10.x causes floppy drive to hang on umount)
  • Field changed: Status (Unconfirmed → Waiting on Response)
  • Field changed: Category (Kernel → Upstream Bugs)
  • Task assigned to Thomas Bächler (brain0), Tobias Powalowski (tpowa)
Nothing to do here. Please report to upstream. Thanks.
Comment by Brian Christiansen (bgc1954) - Sunday, 11 August 2013, 18:15 GMT
Filed a bug report with kernel bug tracker. https://bugzilla.kernel.org/show_bug.cgi?id=60729
Comment by Tobias Powalowski (tpowa) - Tuesday, 17 September 2013, 08:00 GMT
Status on 3.11.1?
Comment by Brian Christiansen (bgc1954) - Monday, 23 September 2013, 17:57 GMT
I thought it was ok after I first installed 3.11.1 and rebooted. Floppy was mounting and umounting fine. I shut my computer down until the next day and when I tried my floppy I still seem to be having the same problems again so back to 3.9.9-1 and no problems. Upstream bug not showing any activity except for my additions. Does anyone use floppies anymore?

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