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Subject[DEADLOCK] automount, kupdated: D state
Date
I was saving my daily work on an IDE disk.
I use automounter. On an attempt to mount it several processes
got stuck in D state.

kernel: 2.5.7 + new NTFS driver
ps and ksymoopsed parts of Alt-Sysrq-T output are attached.
ksymoops warnings trimmed except automount.dump.ksymoops
(they were the same).
--
vda PID TTY STAT TIME COMMAND
1 ? S 0:08 init HOME=/ TERM=linux devfs=mount
2 ? SW 0:00 [migration_CPU0]
3 ? SW 0:00 [keventd]
4 ? SWN 0:00 [ksoftirqd_CPU0]
5 ? SW 0:00 [kswapd]
6 ? SW 0:00 [bdflush]
7 ? DW 0:00 [kupdated]
9 ? SW 0:00 [rpciod]
152 ? S 0:00 devfsd /dev PWD=/ HOSTNAME=manta devfs=mount MACHTY
330 ? S 0:00 rpc.portmap PWD=/ HOSTNAME=manta devfs=mount MACHTY
451 ? S 0:00 syslogd PWD=/ HOSTNAME=manta devfs=mount MACHTYPE=i
454 ? S 0:00 klogd -x -c 3 PWD=/ HOSTNAME=manta devfs=mount MACH
1624 ? S 0:00 dhcpcd -t 20 -R -d eth0 PWD=/ HOSTNAME=manta devfs=
1817 ? S 0:00 inetd PWD=/ HOSTNAME=manta devfs=mount MACHTYPE=i38
2123 ? S 0:00 nmbd PWD=/ HOSTNAME=manta devfs=mount MACHTYPE=i3
1848 ? S 0:09 top c s PWD=/ HOSTNAME=manta devfs=mount MACHTYPE=i
1878 ? S 0:00 gpm -2 -m /dev/psaux -t ps2 PWD=/ HOSTNAME=manta de
1911 ? S 0:00 automount --timeout 5 /.local/mnt/auto program /roo
2180 ? S 0:00 automount --timeout 5 /.local/mnt/auto program /r
2181 ? D 0:00 /bin/umount //.local/mnt/auto/hdc2 PWD=/ HOSTNA
2182 ? S 0:00 automount --timeout 5 /.local/mnt/auto program /r
2188 ? D 0:00 /bin/mount -t auto -s -o noatime /dev/hdc2 /.lo
2027 vc/1 S 0:00 /sbin/agetty 38400 tty1 linux TERM=linux
2028 ? S 0:00 login -- vda
2036 vc/2 S 0:00 -bash HOME=/home/vda PATH=/sbin:/bin:/usr/sbin:/u
2088 vc/2 S 0:01 ssh 172.16.42.75 PWD=/home/vda http_proxy=172.1
2029 ? S 0:00 login -- vda
2115 vc/3 S 0:00 -bash HOME=/home/vda PATH=/sbin:/bin:/usr/sbin:/u
2124 vc/3 S 0:03 mc PWD=/home/vda http_proxy=172.16.22.2:3128 HO
2125 ? S 0:00 cons.saver /dev/vc/3 PWD=/home/vda http_proxy
2196 vc/3 S 0:00 /bin/bash -c ps -AH e >ps PWD=/home/vda http_
2197 vc/3 R 0:00 ps -AH e PWD=/.share/home/vda/!BUG/hang_kup
2030 vc/4 S 0:00 /sbin/agetty 38400 tty4 linux TERM=linux
2031 vc/5 S 0:00 /sbin/agetty 38400 tty5 linux TERM=linux
2032 vc/6 S 0:00 /sbin/agetty 38400 tty6 linux TERM=linux
2033 vc/7 S 0:00 /sbin/agetty 38400 tty7 linux TERM=linux
2034 vc/8 S 0:00 /sbin/agetty 38400 tty8 linux TERM=linux
2035 vc/9 S 0:00 /sbin/agetty 38400 tty9 linux TERM=linux
2046 ? S 0:00 /bin/sh /home/vda/bin/xmga PWD=/home/vda http_proxy
2047 ? S 0:00 xinit -- -layout mga PWD=/home/vda http_proxy=172
2048 ? S 0:21 X :0 -layout mga PWD=/home/vda http_proxy=172.1
2050 ? S 0:00 /bin/sh /usr/bin/startkde PWD=/home/vda http_pr
2089 ? S 0:00 ksmserver --restore PWD=/home/vda http_proxy=
2064 ? S 0:00 kdeinit: Running...
2090 ? S 0:01 kdeinit: kwin
2144 ? S 0:20 kdeinit: konsole -icon konsole -miniicon konsole
2145 pts/1 S 0:00 /bin/bash PWD=/home/vda http_proxy=172.16.22.2:
2147 pts/1 S 0:00 mc PWD=/home/vda http_proxy=172.16.22.2:3128
2149 pts/1 S 0:08 konqueror ftp.gnu.org/gnu/glibc PWD=/.local
2154 pts/2 S 0:00 /bin/bash PWD=/home/vda http_proxy=172.16.22.2:
2156 pts/2 S 0:00 ssh 172.16.42.75 PWD=/home/vda http_proxy=172
2160 pts/3 S 0:00 /bin/bash PWD=/home/vda http_proxy=172.16.22.2:
2162 pts/3 S 0:03 mc PWD=/home/vda http_proxy=172.16.22.2:3128
2189 pts/4 S 0:00 /bin/bash PWD=/home/vda http_proxy=172.16.22.2:
2191 pts/4 S 0:00 mc PWD=/home/vda http_proxy=172.16.22.2:3128
2194 pts/4 D 0:00 sync PWD=/.local/mnt/auto http_proxy=172.16
2067 ? S 0:00 kdeinit: dcopserver --nosid d
2070 ? S 0:00 kdeinit: klauncher
2073 ? S 0:10 kdeinit: kded
2087 ? S 0:00 kdeinit: knotify
2092 ? S 0:10 kdeinit: kdesktop
2096 ? S 0:04 kdeinit: kicker
2104 ? S 0:01 ksysguardd PWD=/home/vda http_proxy=172.16.22.2:3
2111 ? S 0:00 kdeinit: kwrited
2113 pts/0 S 0:00 /bin/cat PWD=/home/vda http_proxy=172.16.22.2:312
2114 ? S 0:00 alarmd PWD=/home/vda http_proxy=172.16.22.2:3128 HO
ksymoops 2.4.1 on i686 2.5.7. Options used
-V (default)
-k /proc/ksyms (default)
-l /proc/modules (default)
-o /lib/modules/2.5.7/ (default)
-m /boot/2.5.7/System.map (specified)

Warning (compare_maps): ksyms_base symbol idle_cpu_R__ver_idle_cpu not found in System.map. Ignoring ksyms_base entry
Warning (compare_maps): ksyms_base symbol set_cpus_allowed_R__ver_set_cpus_allowed not found in System.map. Ignoring ksyms_base entry
Warning (compare_maps): ksyms_base symbol vmalloc_to_page_R__ver_vmalloc_to_page not found in System.map. Ignoring ksyms_base entry
Warning (compare_maps): mismatch on symbol packet_socks_nr , af_packet says cb014374, /lib/modules/2.5.7/kernel/net/packet/af_packet.o says cb014164. Ignoring /lib/modules/2.5.7/kernel/net/packet/af_packet.o entry
Call Trace: [<c0144dcd>] [<c0144fa9>] [<c013bd17>] [<c013b5a8>] [<c0108d13>]
Warning (Oops_read): Code line not seen, dumping what data is available

Trace; c0144dcd <pipe_wait+69/9c>
Trace; c0144fa9 <pipe_read+1a9/214>
Trace; c013bd17 <sys_read+103/128>
Trace; c013b5a8 <filp_close+6c/b0>
Trace; c0108d13 <syscall_call+7/b>


5 warnings issued. Results may not be reliable.
ksymoops 2.4.1 on i686 2.5.7. Options used
-V (default)
-k /proc/ksyms (default)
-l /proc/modules (default)
-o /lib/modules/2.5.7/ (default)
-m /boot/2.5.7/System.map (specified)

Call Trace: [<c01b37f2>] [<c01b3e23>] [<c01b422a>] [<c01b42f6>] [<c013cf65>]
[<c013d032>] [<c013d06b>] [<c014e607>] [<c013d166>] [<c013d1e7>] [<c014101e>]
[<c014188e>] [<c0140e93>] [<c0152767>] [<c0145c9c>] [<c0152e79>] [<c0152ecf>]
[<c0108d13>]

Trace; c01b37f2 <get_request_wait+8e/118>
Trace; c01b3e23 <__make_request+237/4e8>
Trace; c01b422a <generic_make_request+156/1cc>
Trace; c01b42f6 <submit_bio+36/6c>
Trace; c013cf65 <write_locked_buffers+1d/28>
Trace; c013d032 <write_some_buffers+c2/e0>
Trace; c013d06b <write_unlocked_buffers+1b/44>
Trace; c014e607 <dput+e7/164>
Trace; c013d166 <sync_buffers+12/48>
Trace; c013d1e7 <fsync_super+f/b0>
Trace; c014101e <generic_shutdown_super+2e/f8>
Trace; c014188e <kill_block_super+e/24>
Trace; c0140e93 <deactivate_super+3b/78>
Trace; c0152767 <__mntput+17/24>
Trace; c0145c9c <path_release+28/30>
Trace; c0152e79 <sys_umount+3d/88>
Trace; c0152ecf <sys_oldumount+b/10>
Trace; c0108d13 <syscall_call+7/b>
ksymoops 2.4.1 on i686 2.5.7. Options used
-V (default)
-k /proc/ksyms (default)
-l /proc/modules (default)
-o /lib/modules/2.5.7/ (default)
-m /boot/2.5.7/System.map (specified)

Call Trace: [<c01b37f2>] [<c01b3e23>] [<c01b422a>] [<c01b42f6>] [<c013cf65>]
[<c013d032>] [<c013d06b>] [<c013d1a4>] [<c013d33f>] [<c0108d13>]

Trace; c01b37f2 <get_request_wait+8e/118>
Trace; c01b3e23 <__make_request+237/4e8>
Trace; c01b422a <generic_make_request+156/1cc>
Trace; c01b42f6 <submit_bio+36/6c>
Trace; c013cf65 <write_locked_buffers+1d/28>
Trace; c013d032 <write_some_buffers+c2/e0>
Trace; c013d06b <write_unlocked_buffers+1b/44>
Trace; c013d1a4 <sync_all_buffers+8/3c>
Trace; c013d33f <sys_sync+f/6c>
Trace; c0108d13 <syscall_call+7/b>
ksymoops 2.4.1 on i686 2.5.7. Options used
-V (default)
-k /proc/ksyms (default)
-l /proc/modules (default)
-o /lib/modules/2.5.7/ (default)
-m /boot/2.5.7/System.map (specified)

Call Trace: [<c01b37f2>] [<c01b3e23>] [<c01b422a>] [<c012e0a6>] [<c01b42f6>]
[<c013cf65>] [<c013d032>] [<c013d06b>] [<c013d166>] [<c0141fbc>] [<c0142a66>]
[<c013cc1e>] [<c013b5a8>] [<c013b649>] [<c0108d13>]

Trace; c01b37f2 <get_request_wait+8e/118>
Trace; c01b3e23 <__make_request+237/4e8>
Trace; c01b422a <generic_make_request+156/1cc>
Trace; c012e0a6 <filemap_nopage+be/208>
Trace; c01b42f6 <submit_bio+36/6c>
Trace; c013cf65 <write_locked_buffers+1d/28>
Trace; c013d032 <write_some_buffers+c2/e0>
Trace; c013d06b <write_unlocked_buffers+1b/44>
Trace; c013d166 <sync_buffers+12/48>
Trace; c0141fbc <__block_fsync+20/4c>
Trace; c0142a66 <blkdev_put+fe/118>
Trace; c013cc1e <fput+4e/e8>
Trace; c013b5a8 <filp_close+6c/b0>
Trace; c013b649 <sys_close+5d/74>
Trace; c0108d13 <syscall_call+7/b>
ksymoops 2.4.1 on i686 2.5.7. Options used
-V (default)
-k /proc/ksyms (default)
-l /proc/modules (default)
-o /lib/modules/2.5.7/ (default)
-m /boot/2.5.7/System.map (specified)

Call Trace: [<c011ef96>] [<c013cee7>] [<c017c80e>] [<c013de62>] [<c013d0e1>]
[<c0140100>] [<c0105000>] [<c0107172>] [<c0140030>]

Trace; c011ef96 <__run_task_queue+5e/6c>
Trace; c013cee7 <__wait_on_buffer+57/8c>
Trace; c017c80e <nfs_write_inode+1e/24>
Trace; c013de62 <__refile_buffer+42/5c>
Trace; c013d0e1 <wait_for_buffers+4d/8c>
Trace; c0140100 <kupdate+d0/180>
Trace; c0105000 <_stext+0/0>
Trace; c0107172 <kernel_thread+26/30>
Trace; c0140030 <kupdate+0/180>
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