* [Qemu-devel] [Bug 1687569] [NEW] when migration cancel, qemu main thread hung
@ 2017-05-02 8:48 Lidong Chen
2020-11-09 13:35 ` [Bug 1687569] " Thomas Huth
2021-01-09 4:17 ` Launchpad Bug Tracker
0 siblings, 2 replies; 3+ messages in thread
From: Lidong Chen @ 2017-05-02 8:48 UTC (permalink / raw)
To: qemu-devel
Public bug reported:
qemu version:v2.9.0-rc5 release
1.virsh migrate --live 165cf436-312f-47e7-90f2-f8aa63f34893 --copy-storage-all qemu+ssh://10.59.163.38/system
2.press Ctrl+C cancel migrate
qemu main thread hung
(gdb) bt
#0 0x00007fca9f4574b7 in ppoll () from /lib64/libc.so.6
#1 0x0000000000944970 in qemu_poll_ns (fds=0x293e6e0, nfds=1, timeout=-1) at util/qemu-timer.c:322
#2 0x0000000000947e16 in aio_poll (ctx=0x291d4b0, blocking=true) at util/aio-posix.c:622
#3 0x00000000008b6094 in nbd_teardown_connection (bs=0x29ccdc0) at block/nbd-client.c:59
#4 0x00000000008b6df1 in nbd_client_close (bs=0x29ccdc0) at block/nbd-client.c:377
#5 0x00000000008b5988 in nbd_close (bs=0x29ccdc0) at block/nbd.c:488
#6 0x00000000008435de in bdrv_close (bs=0x29ccdc0) at block.c:2919
#7 0x0000000000843c86 in bdrv_delete (bs=0x29ccdc0) at block.c:3100
#8 0x000000000084620b in bdrv_unref (bs=0x29ccdc0) at block.c:4087
#9 0x00000000008411d1 in bdrv_root_unref_child (child=0x30e4800) at block.c:1891
#10 0x000000000084128a in bdrv_unref_child (parent=0x29c0660, child=0x30e4800) at block.c:1915
#11 0x000000000084362a in bdrv_close (bs=0x29c0660) at block.c:2925
#12 0x0000000000843c86 in bdrv_delete (bs=0x29c0660) at block.c:3100
#13 0x000000000084620b in bdrv_unref (bs=0x29c0660) at block.c:4087
#14 0x00000000008411d1 in bdrv_root_unref_child (child=0x3013910) at block.c:1891
#15 0x0000000000848149 in block_job_remove_all_bdrv (job=0x3fa7800) at blockjob.c:154
#16 0x00000000008a8dd8 in mirror_exit (job=0x3fa7800, opaque=0x7fca90000bf0) at block/mirror.c:576
#17 0x0000000000849e22 in block_job_defer_to_main_loop_bh (opaque=0x7fca90000d90) at blockjob.c:794
#18 0x00000000009420c4 in aio_bh_call (bh=0x7fca90000dc0) at util/async.c:90
#19 0x000000000094216f in aio_bh_poll (ctx=0x291d4b0) at util/async.c:118
#20 0x00000000009480d9 in aio_poll (ctx=0x291d4b0, blocking=true) at util/aio-posix.c:682
#21 0x00000000008b6094 in nbd_teardown_connection (bs=0x2921350) at block/nbd-client.c:59
#22 0x00000000008b6df1 in nbd_client_close (bs=0x2921350) at block/nbd-client.c:377
#23 0x00000000008b5988 in nbd_close (bs=0x2921350) at block/nbd.c:488
#24 0x00000000008435de in bdrv_close (bs=0x2921350) at block.c:2919
#25 0x0000000000843c86 in bdrv_delete (bs=0x2921350) at block.c:3100
#26 0x000000000084620b in bdrv_unref (bs=0x2921350) at block.c:4087
#27 0x00000000008411d1 in bdrv_root_unref_child (child=0x390d180) at block.c:1891
#28 0x000000000084128a in bdrv_unref_child (parent=0x4eba200, child=0x390d180) at block.c:1915
#29 0x000000000084362a in bdrv_close (bs=0x4eba200) at block.c:2925
#30 0x0000000000843c86 in bdrv_delete (bs=0x4eba200) at block.c:3100
#31 0x000000000084620b in bdrv_unref (bs=0x4eba200) at block.c:4087
#32 0x00000000008411d1 in bdrv_root_unref_child (child=0x4ebf990) at block.c:1891
#33 0x0000000000848149 in block_job_remove_all_bdrv (job=0x4ea85b0) at blockjob.c:154
#34 0x00000000008a8dd8 in mirror_exit (job=0x4ea85b0, opaque=0x7fca98000bf0) at block/mirror.c:576
#35 0x0000000000849e22 in block_job_defer_to_main_loop_bh (opaque=0x7fca980013d0) at blockjob.c:794
#36 0x00000000009420c4 in aio_bh_call (bh=0x7fca9801e0c0) at util/async.c:90
#37 0x000000000094216f in aio_bh_poll (ctx=0x291d4b0) at util/async.c:118
---Type <return> to continue, or q <return> to quit---
#38 0x00000000009476ae in aio_dispatch (ctx=0x291d4b0) at util/aio-posix.c:429
#39 0x00000000009425e4 in aio_ctx_dispatch (source=0x291d4b0, callback=0, user_data=0x0) at util/async.c:261
#40 0x00007fcaa0101f0e in g_main_context_dispatch () from /lib64/libglib-2.0.so.0
#41 0x0000000000945d86 in glib_pollfds_poll () at util/main-loop.c:213
#42 0x0000000000945ea7 in os_host_main_loop_wait (timeout=124777230) at util/main-loop.c:261
#43 0x0000000000945f72 in main_loop_wait (nonblocking=0) at util/main-loop.c:517
#44 0x00000000005c7794 in main_loop () at vl.c:1898
#45 0x00000000005cec57 in main (argc=64, argv=0x7fffe7020c58, envp=0x7fffe7020e60) at vl.c:4709
** Affects: qemu
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1687569
Title:
when migration cancel, qemu main thread hung
Status in QEMU:
New
Bug description:
qemu version:v2.9.0-rc5 release
1.virsh migrate --live 165cf436-312f-47e7-90f2-f8aa63f34893 --copy-storage-all qemu+ssh://10.59.163.38/system
2.press Ctrl+C cancel migrate
qemu main thread hung
(gdb) bt
#0 0x00007fca9f4574b7 in ppoll () from /lib64/libc.so.6
#1 0x0000000000944970 in qemu_poll_ns (fds=0x293e6e0, nfds=1, timeout=-1) at util/qemu-timer.c:322
#2 0x0000000000947e16 in aio_poll (ctx=0x291d4b0, blocking=true) at util/aio-posix.c:622
#3 0x00000000008b6094 in nbd_teardown_connection (bs=0x29ccdc0) at block/nbd-client.c:59
#4 0x00000000008b6df1 in nbd_client_close (bs=0x29ccdc0) at block/nbd-client.c:377
#5 0x00000000008b5988 in nbd_close (bs=0x29ccdc0) at block/nbd.c:488
#6 0x00000000008435de in bdrv_close (bs=0x29ccdc0) at block.c:2919
#7 0x0000000000843c86 in bdrv_delete (bs=0x29ccdc0) at block.c:3100
#8 0x000000000084620b in bdrv_unref (bs=0x29ccdc0) at block.c:4087
#9 0x00000000008411d1 in bdrv_root_unref_child (child=0x30e4800) at block.c:1891
#10 0x000000000084128a in bdrv_unref_child (parent=0x29c0660, child=0x30e4800) at block.c:1915
#11 0x000000000084362a in bdrv_close (bs=0x29c0660) at block.c:2925
#12 0x0000000000843c86 in bdrv_delete (bs=0x29c0660) at block.c:3100
#13 0x000000000084620b in bdrv_unref (bs=0x29c0660) at block.c:4087
#14 0x00000000008411d1 in bdrv_root_unref_child (child=0x3013910) at block.c:1891
#15 0x0000000000848149 in block_job_remove_all_bdrv (job=0x3fa7800) at blockjob.c:154
#16 0x00000000008a8dd8 in mirror_exit (job=0x3fa7800, opaque=0x7fca90000bf0) at block/mirror.c:576
#17 0x0000000000849e22 in block_job_defer_to_main_loop_bh (opaque=0x7fca90000d90) at blockjob.c:794
#18 0x00000000009420c4 in aio_bh_call (bh=0x7fca90000dc0) at util/async.c:90
#19 0x000000000094216f in aio_bh_poll (ctx=0x291d4b0) at util/async.c:118
#20 0x00000000009480d9 in aio_poll (ctx=0x291d4b0, blocking=true) at util/aio-posix.c:682
#21 0x00000000008b6094 in nbd_teardown_connection (bs=0x2921350) at block/nbd-client.c:59
#22 0x00000000008b6df1 in nbd_client_close (bs=0x2921350) at block/nbd-client.c:377
#23 0x00000000008b5988 in nbd_close (bs=0x2921350) at block/nbd.c:488
#24 0x00000000008435de in bdrv_close (bs=0x2921350) at block.c:2919
#25 0x0000000000843c86 in bdrv_delete (bs=0x2921350) at block.c:3100
#26 0x000000000084620b in bdrv_unref (bs=0x2921350) at block.c:4087
#27 0x00000000008411d1 in bdrv_root_unref_child (child=0x390d180) at block.c:1891
#28 0x000000000084128a in bdrv_unref_child (parent=0x4eba200, child=0x390d180) at block.c:1915
#29 0x000000000084362a in bdrv_close (bs=0x4eba200) at block.c:2925
#30 0x0000000000843c86 in bdrv_delete (bs=0x4eba200) at block.c:3100
#31 0x000000000084620b in bdrv_unref (bs=0x4eba200) at block.c:4087
#32 0x00000000008411d1 in bdrv_root_unref_child (child=0x4ebf990) at block.c:1891
#33 0x0000000000848149 in block_job_remove_all_bdrv (job=0x4ea85b0) at blockjob.c:154
#34 0x00000000008a8dd8 in mirror_exit (job=0x4ea85b0, opaque=0x7fca98000bf0) at block/mirror.c:576
#35 0x0000000000849e22 in block_job_defer_to_main_loop_bh (opaque=0x7fca980013d0) at blockjob.c:794
#36 0x00000000009420c4 in aio_bh_call (bh=0x7fca9801e0c0) at util/async.c:90
#37 0x000000000094216f in aio_bh_poll (ctx=0x291d4b0) at util/async.c:118
---Type <return> to continue, or q <return> to quit---
#38 0x00000000009476ae in aio_dispatch (ctx=0x291d4b0) at util/aio-posix.c:429
#39 0x00000000009425e4 in aio_ctx_dispatch (source=0x291d4b0, callback=0, user_data=0x0) at util/async.c:261
#40 0x00007fcaa0101f0e in g_main_context_dispatch () from /lib64/libglib-2.0.so.0
#41 0x0000000000945d86 in glib_pollfds_poll () at util/main-loop.c:213
#42 0x0000000000945ea7 in os_host_main_loop_wait (timeout=124777230) at util/main-loop.c:261
#43 0x0000000000945f72 in main_loop_wait (nonblocking=0) at util/main-loop.c:517
#44 0x00000000005c7794 in main_loop () at vl.c:1898
#45 0x00000000005cec57 in main (argc=64, argv=0x7fffe7020c58, envp=0x7fffe7020e60) at vl.c:4709
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^ permalink raw reply [flat|nested] 3+ messages in thread
* [Bug 1687569] Re: when migration cancel, qemu main thread hung
2017-05-02 8:48 [Qemu-devel] [Bug 1687569] [NEW] when migration cancel, qemu main thread hung Lidong Chen
@ 2020-11-09 13:35 ` Thomas Huth
2021-01-09 4:17 ` Launchpad Bug Tracker
1 sibling, 0 replies; 3+ messages in thread
From: Thomas Huth @ 2020-11-09 13:35 UTC (permalink / raw)
To: qemu-devel
The QEMU project is currently considering to move its bug tracking to another system. For this we need to know which bugs are still valid and which could be closed already. Thus we are setting older bugs to "Incomplete" now.
If you still think this bug report here is valid, then please switch the state back to "New" within the next 60 days, otherwise this report will be marked as "Expired". Thank you and sorry for the inconvenience.
** Changed in: qemu
Status: New => Incomplete
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You received this bug notification because you are a member of qemu-
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https://bugs.launchpad.net/bugs/1687569
Title:
when migration cancel, qemu main thread hung
Status in QEMU:
Incomplete
Bug description:
qemu version:v2.9.0-rc5 release
1.virsh migrate --live 165cf436-312f-47e7-90f2-f8aa63f34893 --copy-storage-all qemu+ssh://10.59.163.38/system
2.press Ctrl+C cancel migrate
qemu main thread hung
(gdb) bt
#0 0x00007fca9f4574b7 in ppoll () from /lib64/libc.so.6
#1 0x0000000000944970 in qemu_poll_ns (fds=0x293e6e0, nfds=1, timeout=-1) at util/qemu-timer.c:322
#2 0x0000000000947e16 in aio_poll (ctx=0x291d4b0, blocking=true) at util/aio-posix.c:622
#3 0x00000000008b6094 in nbd_teardown_connection (bs=0x29ccdc0) at block/nbd-client.c:59
#4 0x00000000008b6df1 in nbd_client_close (bs=0x29ccdc0) at block/nbd-client.c:377
#5 0x00000000008b5988 in nbd_close (bs=0x29ccdc0) at block/nbd.c:488
#6 0x00000000008435de in bdrv_close (bs=0x29ccdc0) at block.c:2919
#7 0x0000000000843c86 in bdrv_delete (bs=0x29ccdc0) at block.c:3100
#8 0x000000000084620b in bdrv_unref (bs=0x29ccdc0) at block.c:4087
#9 0x00000000008411d1 in bdrv_root_unref_child (child=0x30e4800) at block.c:1891
#10 0x000000000084128a in bdrv_unref_child (parent=0x29c0660, child=0x30e4800) at block.c:1915
#11 0x000000000084362a in bdrv_close (bs=0x29c0660) at block.c:2925
#12 0x0000000000843c86 in bdrv_delete (bs=0x29c0660) at block.c:3100
#13 0x000000000084620b in bdrv_unref (bs=0x29c0660) at block.c:4087
#14 0x00000000008411d1 in bdrv_root_unref_child (child=0x3013910) at block.c:1891
#15 0x0000000000848149 in block_job_remove_all_bdrv (job=0x3fa7800) at blockjob.c:154
#16 0x00000000008a8dd8 in mirror_exit (job=0x3fa7800, opaque=0x7fca90000bf0) at block/mirror.c:576
#17 0x0000000000849e22 in block_job_defer_to_main_loop_bh (opaque=0x7fca90000d90) at blockjob.c:794
#18 0x00000000009420c4 in aio_bh_call (bh=0x7fca90000dc0) at util/async.c:90
#19 0x000000000094216f in aio_bh_poll (ctx=0x291d4b0) at util/async.c:118
#20 0x00000000009480d9 in aio_poll (ctx=0x291d4b0, blocking=true) at util/aio-posix.c:682
#21 0x00000000008b6094 in nbd_teardown_connection (bs=0x2921350) at block/nbd-client.c:59
#22 0x00000000008b6df1 in nbd_client_close (bs=0x2921350) at block/nbd-client.c:377
#23 0x00000000008b5988 in nbd_close (bs=0x2921350) at block/nbd.c:488
#24 0x00000000008435de in bdrv_close (bs=0x2921350) at block.c:2919
#25 0x0000000000843c86 in bdrv_delete (bs=0x2921350) at block.c:3100
#26 0x000000000084620b in bdrv_unref (bs=0x2921350) at block.c:4087
#27 0x00000000008411d1 in bdrv_root_unref_child (child=0x390d180) at block.c:1891
#28 0x000000000084128a in bdrv_unref_child (parent=0x4eba200, child=0x390d180) at block.c:1915
#29 0x000000000084362a in bdrv_close (bs=0x4eba200) at block.c:2925
#30 0x0000000000843c86 in bdrv_delete (bs=0x4eba200) at block.c:3100
#31 0x000000000084620b in bdrv_unref (bs=0x4eba200) at block.c:4087
#32 0x00000000008411d1 in bdrv_root_unref_child (child=0x4ebf990) at block.c:1891
#33 0x0000000000848149 in block_job_remove_all_bdrv (job=0x4ea85b0) at blockjob.c:154
#34 0x00000000008a8dd8 in mirror_exit (job=0x4ea85b0, opaque=0x7fca98000bf0) at block/mirror.c:576
#35 0x0000000000849e22 in block_job_defer_to_main_loop_bh (opaque=0x7fca980013d0) at blockjob.c:794
#36 0x00000000009420c4 in aio_bh_call (bh=0x7fca9801e0c0) at util/async.c:90
#37 0x000000000094216f in aio_bh_poll (ctx=0x291d4b0) at util/async.c:118
---Type <return> to continue, or q <return> to quit---
#38 0x00000000009476ae in aio_dispatch (ctx=0x291d4b0) at util/aio-posix.c:429
#39 0x00000000009425e4 in aio_ctx_dispatch (source=0x291d4b0, callback=0, user_data=0x0) at util/async.c:261
#40 0x00007fcaa0101f0e in g_main_context_dispatch () from /lib64/libglib-2.0.so.0
#41 0x0000000000945d86 in glib_pollfds_poll () at util/main-loop.c:213
#42 0x0000000000945ea7 in os_host_main_loop_wait (timeout=124777230) at util/main-loop.c:261
#43 0x0000000000945f72 in main_loop_wait (nonblocking=0) at util/main-loop.c:517
#44 0x00000000005c7794 in main_loop () at vl.c:1898
#45 0x00000000005cec57 in main (argc=64, argv=0x7fffe7020c58, envp=0x7fffe7020e60) at vl.c:4709
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* [Bug 1687569] Re: when migration cancel, qemu main thread hung
2017-05-02 8:48 [Qemu-devel] [Bug 1687569] [NEW] when migration cancel, qemu main thread hung Lidong Chen
2020-11-09 13:35 ` [Bug 1687569] " Thomas Huth
@ 2021-01-09 4:17 ` Launchpad Bug Tracker
1 sibling, 0 replies; 3+ messages in thread
From: Launchpad Bug Tracker @ 2021-01-09 4:17 UTC (permalink / raw)
To: qemu-devel
[Expired for QEMU because there has been no activity for 60 days.]
** Changed in: qemu
Status: Incomplete => Expired
--
You received this bug notification because you are a member of qemu-
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https://bugs.launchpad.net/bugs/1687569
Title:
when migration cancel, qemu main thread hung
Status in QEMU:
Expired
Bug description:
qemu version:v2.9.0-rc5 release
1.virsh migrate --live 165cf436-312f-47e7-90f2-f8aa63f34893 --copy-storage-all qemu+ssh://10.59.163.38/system
2.press Ctrl+C cancel migrate
qemu main thread hung
(gdb) bt
#0 0x00007fca9f4574b7 in ppoll () from /lib64/libc.so.6
#1 0x0000000000944970 in qemu_poll_ns (fds=0x293e6e0, nfds=1, timeout=-1) at util/qemu-timer.c:322
#2 0x0000000000947e16 in aio_poll (ctx=0x291d4b0, blocking=true) at util/aio-posix.c:622
#3 0x00000000008b6094 in nbd_teardown_connection (bs=0x29ccdc0) at block/nbd-client.c:59
#4 0x00000000008b6df1 in nbd_client_close (bs=0x29ccdc0) at block/nbd-client.c:377
#5 0x00000000008b5988 in nbd_close (bs=0x29ccdc0) at block/nbd.c:488
#6 0x00000000008435de in bdrv_close (bs=0x29ccdc0) at block.c:2919
#7 0x0000000000843c86 in bdrv_delete (bs=0x29ccdc0) at block.c:3100
#8 0x000000000084620b in bdrv_unref (bs=0x29ccdc0) at block.c:4087
#9 0x00000000008411d1 in bdrv_root_unref_child (child=0x30e4800) at block.c:1891
#10 0x000000000084128a in bdrv_unref_child (parent=0x29c0660, child=0x30e4800) at block.c:1915
#11 0x000000000084362a in bdrv_close (bs=0x29c0660) at block.c:2925
#12 0x0000000000843c86 in bdrv_delete (bs=0x29c0660) at block.c:3100
#13 0x000000000084620b in bdrv_unref (bs=0x29c0660) at block.c:4087
#14 0x00000000008411d1 in bdrv_root_unref_child (child=0x3013910) at block.c:1891
#15 0x0000000000848149 in block_job_remove_all_bdrv (job=0x3fa7800) at blockjob.c:154
#16 0x00000000008a8dd8 in mirror_exit (job=0x3fa7800, opaque=0x7fca90000bf0) at block/mirror.c:576
#17 0x0000000000849e22 in block_job_defer_to_main_loop_bh (opaque=0x7fca90000d90) at blockjob.c:794
#18 0x00000000009420c4 in aio_bh_call (bh=0x7fca90000dc0) at util/async.c:90
#19 0x000000000094216f in aio_bh_poll (ctx=0x291d4b0) at util/async.c:118
#20 0x00000000009480d9 in aio_poll (ctx=0x291d4b0, blocking=true) at util/aio-posix.c:682
#21 0x00000000008b6094 in nbd_teardown_connection (bs=0x2921350) at block/nbd-client.c:59
#22 0x00000000008b6df1 in nbd_client_close (bs=0x2921350) at block/nbd-client.c:377
#23 0x00000000008b5988 in nbd_close (bs=0x2921350) at block/nbd.c:488
#24 0x00000000008435de in bdrv_close (bs=0x2921350) at block.c:2919
#25 0x0000000000843c86 in bdrv_delete (bs=0x2921350) at block.c:3100
#26 0x000000000084620b in bdrv_unref (bs=0x2921350) at block.c:4087
#27 0x00000000008411d1 in bdrv_root_unref_child (child=0x390d180) at block.c:1891
#28 0x000000000084128a in bdrv_unref_child (parent=0x4eba200, child=0x390d180) at block.c:1915
#29 0x000000000084362a in bdrv_close (bs=0x4eba200) at block.c:2925
#30 0x0000000000843c86 in bdrv_delete (bs=0x4eba200) at block.c:3100
#31 0x000000000084620b in bdrv_unref (bs=0x4eba200) at block.c:4087
#32 0x00000000008411d1 in bdrv_root_unref_child (child=0x4ebf990) at block.c:1891
#33 0x0000000000848149 in block_job_remove_all_bdrv (job=0x4ea85b0) at blockjob.c:154
#34 0x00000000008a8dd8 in mirror_exit (job=0x4ea85b0, opaque=0x7fca98000bf0) at block/mirror.c:576
#35 0x0000000000849e22 in block_job_defer_to_main_loop_bh (opaque=0x7fca980013d0) at blockjob.c:794
#36 0x00000000009420c4 in aio_bh_call (bh=0x7fca9801e0c0) at util/async.c:90
#37 0x000000000094216f in aio_bh_poll (ctx=0x291d4b0) at util/async.c:118
---Type <return> to continue, or q <return> to quit---
#38 0x00000000009476ae in aio_dispatch (ctx=0x291d4b0) at util/aio-posix.c:429
#39 0x00000000009425e4 in aio_ctx_dispatch (source=0x291d4b0, callback=0, user_data=0x0) at util/async.c:261
#40 0x00007fcaa0101f0e in g_main_context_dispatch () from /lib64/libglib-2.0.so.0
#41 0x0000000000945d86 in glib_pollfds_poll () at util/main-loop.c:213
#42 0x0000000000945ea7 in os_host_main_loop_wait (timeout=124777230) at util/main-loop.c:261
#43 0x0000000000945f72 in main_loop_wait (nonblocking=0) at util/main-loop.c:517
#44 0x00000000005c7794 in main_loop () at vl.c:1898
#45 0x00000000005cec57 in main (argc=64, argv=0x7fffe7020c58, envp=0x7fffe7020e60) at vl.c:4709
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2017-05-02 8:48 [Qemu-devel] [Bug 1687569] [NEW] when migration cancel, qemu main thread hung Lidong Chen
2020-11-09 13:35 ` [Bug 1687569] " Thomas Huth
2021-01-09 4:17 ` Launchpad Bug Tracker
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