diff options
Diffstat (limited to 'results/classifier/004/other/17743720')
| -rw-r--r-- | results/classifier/004/other/17743720 | 779 |
1 files changed, 779 insertions, 0 deletions
diff --git a/results/classifier/004/other/17743720 b/results/classifier/004/other/17743720 new file mode 100644 index 000000000..a3f02429a --- /dev/null +++ b/results/classifier/004/other/17743720 @@ -0,0 +1,779 @@ +other: 0.984 +graphic: 0.972 +device: 0.971 +instruction: 0.966 +assembly: 0.966 +semantic: 0.962 +mistranslation: 0.959 +socket: 0.954 +vnc: 0.945 +boot: 0.945 +network: 0.944 +KVM: 0.933 + +[Qemu-devel] [BUG] living migrate vm pause forever + +Sometimes, living migrate vm pause forever, migrate job stop, but very small +probability, I canât reproduce. +qemu wait semaphore from libvirt send migrate continue, however libvirt wait +semaphore from qemu send vm pause. + +follow stack: +qemu: +Thread 6 (Thread 0x7f50445f3700 (LWP 18120)): +#0 0x00007f504b84d670 in sem_wait () from /lib/x86_64-linux-gnu/libpthread.so.0 +#1 0x00005574eda1e164 in qemu_sem_wait (sem=sem@entry=0x5574ef6930e0) at +qemu-2.12/util/qemu-thread-posix.c:322 +#2 0x00005574ed8dd72e in migration_maybe_pause (s=0x5574ef692f50, +current_active_state=0x7f50445f2ae4, new_state=10) + at qemu-2.12/migration/migration.c:2106 +#3 0x00005574ed8df51a in migration_completion (s=0x5574ef692f50) at +qemu-2.12/migration/migration.c:2137 +#4 migration_iteration_run (s=0x5574ef692f50) at +qemu-2.12/migration/migration.c:2311 +#5 migration_thread (opaque=0x5574ef692f50) +atqemu-2.12/migration/migration.c:2415 +#6 0x00007f504b847184 in start_thread () from +/lib/x86_64-linux-gnu/libpthread.so.0 +#7 0x00007f504b574bed in clone () from /lib/x86_64-linux-gnu/libc.so.6 + +libvirt: +Thread 95 (Thread 0x7fdb82ffd700 (LWP 28775)): +#0 0x00007fdd177dc404 in pthread_cond_wait@@GLIBC_2.3.2 () from +/lib/x86_64-linux-gnu/libpthread.so.0 +#1 0x00007fdd198c3b07 in virCondWait (c=0x7fdbc4003000, m=0x7fdbc4002f30) at +../../../src/util/virthread.c:252 +#2 0x00007fdd198f36d2 in virDomainObjWait (vm=0x7fdbc4002f20) at +../../../src/conf/domain_conf.c:3303 +#3 0x00007fdd09ffaa44 in qemuMigrationRun (driver=0x7fdd000037b0, +vm=0x7fdbc4002f20, persist_xml=0x0, + cookiein=0x7fdb780084e0 "<qemu-migration>\n <name>mss-pl_652</name>\n +<uuid>1f2b2334-451e-424b-822a-ea10452abb38</uuid>\n <hostname>mss +</hostname>\n +<hostuuid>334e344a-4130-4336-5534-323544543642</hostuuid>\n</qemu-migra"..., +cookieinlen=207, cookieout=0x7fdb82ffcad0, cookieoutlen=0x7fdb82ffcac8, +flags=777, + resource=0, spec=0x7fdb82ffc670, dconn=0x0, graphicsuri=0x0, +nmigrate_disks=0, migrate_disks=0x0, compression=0x7fdb78007990, +migParams=0x7fdb82ffc900) + at ../../../src/qemu/qemu_migration.c:3937 +#4 0x00007fdd09ffb26a in doNativeMigrate (driver=0x7fdd000037b0, +vm=0x7fdbc4002f20, persist_xml=0x0, uri=0x7fdb780073a0 +"tcp://172.16.202.17:49152", + cookiein=0x7fdb780084e0 "<qemu-migration>\n <name>mss-pl_652</name>\n +<uuid>1f2b2334-451e-424b-822a-ea10452abb38</uuid>\n <hostname>mss</hostname>\n + <hos---Type <return> to continue, or q <return> to quit--- +tuuid>334e344a-4130-4336-5534-323544543642</hostuuid>\n</qemu-migra"..., +cookieinlen=207, cookieout=0x7fdb82ffcad0, cookieoutlen=0x7fdb82ffcac8, +flags=777, + resource=0, dconn=0x0, graphicsuri=0x0, nmigrate_disks=0, +migrate_disks=0x0, compression=0x7fdb78007990, migParams=0x7fdb82ffc900) + at ../../../src/qemu/qemu_migration.c:4118 +#5 0x00007fdd09ffd808 in qemuMigrationPerformPhase (driver=0x7fdd000037b0, +conn=0x7fdb500205d0, vm=0x7fdbc4002f20, persist_xml=0x0, + uri=0x7fdb780073a0 "tcp://172.16.202.17:49152", graphicsuri=0x0, +nmigrate_disks=0, migrate_disks=0x0, compression=0x7fdb78007990, +migParams=0x7fdb82ffc900, + cookiein=0x7fdb780084e0 "<qemu-migration>\n <name>mss-pl_652</name>\n +<uuid>1f2b2334-451e-424b-822a-ea10452abb38</uuid>\n <hostname>mss</hostname>\n + <hostuuid>334e344a-4130-4336-5534-323544543642</hostuuid>\n</qemu-migra"..., +cookieinlen=207, cookieout=0x7fdb82ffcad0, cookieoutlen=0x7fdb82ffcac8, +flags=777, + resource=0) at ../../../src/qemu/qemu_migration.c:5030 +#6 0x00007fdd09ffdbb5 in qemuMigrationPerform (driver=0x7fdd000037b0, +conn=0x7fdb500205d0, vm=0x7fdbc4002f20, xmlin=0x0, persist_xml=0x0, +dconnuri=0x0, + uri=0x7fdb780073a0 "tcp://172.16.202.17:49152", graphicsuri=0x0, +listenAddress=0x0, nmigrate_disks=0, migrate_disks=0x0, nbdPort=0, +compression=0x7fdb78007990, + migParams=0x7fdb82ffc900, + cookiein=0x7fdb780084e0 "<qemu-migration>\n <name>mss-pl_652</name>\n +<uuid>1f2b2334-451e-424b-822a-ea10452abb38</uuid>\n <hostname>mss</hostname>\n + <hostuuid>334e344a-4130-4336-5534-323544543642</hostuuid>\n</qemu-migra"..., +cookieinlen=207, cookieout=0x7fdb82ffcad0, cookieoutlen=0x7fdb82ffcac8, +flags=777, + dname=0x0, resource=0, v3proto=true) at +../../../src/qemu/qemu_migration.c:5124 +#7 0x00007fdd0a054725 in qemuDomainMigratePerform3 (dom=0x7fdb78007b00, +xmlin=0x0, + cookiein=0x7fdb780084e0 "<qemu-migration>\n <name>mss-pl_652</name>\n +<uuid>1f2b2334-451e-424b-822a-ea10452abb38</uuid>\n <hostname>mss</hostname>\n + <hostuuid>334e344a-4130-4336-5534-323544543642</hostuuid>\n</qemu-migra"..., +cookieinlen=207, cookieout=0x7fdb82ffcad0, cookieoutlen=0x7fdb82ffcac8, +dconnuri=0x0, + uri=0x7fdb780073a0 "tcp://172.16.202.17:49152", flags=777, dname=0x0, +resource=0) at ../../../src/qemu/qemu_driver.c:12996 +#8 0x00007fdd199ad0f0 in virDomainMigratePerform3 (domain=0x7fdb78007b00, +xmlin=0x0, + cookiein=0x7fdb780084e0 "<qemu-migration>\n <name>mss-pl_652</name>\n +<uuid>1f2b2334-451e-424b-822a-ea10452abb38</uuid>\n <hostname>mss</hostname>\n + <hostuuid>334e344a-4130-4336-5534-323544543642</hostuuid>\n</qemu-migra"..., +cookieinlen=207, cookieout=0x7fdb82ffcad0, cookieoutlen=0x7fdb82ffcac8, +dconnuri=0x0, + uri=0x7fdb780073a0 "tcp://172.16.202.17:49152", flags=777, dname=0x0, +bandwidth=0) at ../../../src/libvirt-domain.c:4698 +#9 0x000055d13923a939 in remoteDispatchDomainMigratePerform3 +(server=0x55d13af90e60, client=0x55d13b0156f0, msg=0x55d13afbf620, +rerr=0x7fdb82ffcbc0, + args=0x7fdb7800b220, ret=0x7fdb78021e90) at ../../../daemon/remote.c:4528 +#10 0x000055d13921a043 in remoteDispatchDomainMigratePerform3Helper +(server=0x55d13af90e60, client=0x55d13b0156f0, msg=0x55d13afbf620, +rerr=0x7fdb82ffcbc0, + args=0x7fdb7800b220, ret=0x7fdb78021e90) at +../../../daemon/remote_dispatch.h:7944 +#11 0x00007fdd19a260b4 in virNetServerProgramDispatchCall (prog=0x55d13af98b50, +server=0x55d13af90e60, client=0x55d13b0156f0, msg=0x55d13afbf620) + at ../../../src/rpc/virnetserverprogram.c:436 +#12 0x00007fdd19a25c17 in virNetServerProgramDispatch (prog=0x55d13af98b50, +server=0x55d13af90e60, client=0x55d13b0156f0, msg=0x55d13afbf620) + at ../../../src/rpc/virnetserverprogram.c:307 +#13 0x000055d13925933b in virNetServerProcessMsg (srv=0x55d13af90e60, +client=0x55d13b0156f0, prog=0x55d13af98b50, msg=0x55d13afbf620) + at ../../../src/rpc/virnetserver.c:148 +------------------------------------------------------------------------------------------------------------------------------------- +æ¬é®ä»¶åå ¶é件å«ææ°åä¸éå¢çä¿å¯ä¿¡æ¯ï¼ä» éäºåéç»ä¸é¢å°åä¸ååº +ç个人æ群ç»ãç¦æ¢ä»»ä½å ¶ä»äººä»¥ä»»ä½å½¢å¼ä½¿ç¨ï¼å æ¬ä½ä¸éäºå ¨é¨æé¨åå°æ³é²ãå¤å¶ã +ææ£åï¼æ¬é®ä»¶ä¸çä¿¡æ¯ãå¦ææ¨éæ¶äºæ¬é®ä»¶ï¼è¯·æ¨ç«å³çµè¯æé®ä»¶éç¥å件人并å é¤æ¬ +é®ä»¶ï¼ +This e-mail and its attachments contain confidential information from New H3C, +which is +intended only for the person or entity whose address is listed above. Any use +of the +information contained herein in any way (including, but not limited to, total +or partial +disclosure, reproduction, or dissemination) by persons other than the intended +recipient(s) is prohibited. If you receive this e-mail in error, please notify +the sender +by phone or email immediately and delete it! + +* Yuchen (address@hidden) wrote: +> +Sometimes, living migrate vm pause forever, migrate job stop, but very small +> +probability, I canât reproduce. +> +qemu wait semaphore from libvirt send migrate continue, however libvirt wait +> +semaphore from qemu send vm pause. +Hi, + I've copied in Jiri Denemark from libvirt. +Can you confirm exactly which qemu and libvirt versions you're using +please. + +> +follow stack: +> +qemu: +> +Thread 6 (Thread 0x7f50445f3700 (LWP 18120)): +> +#0 0x00007f504b84d670 in sem_wait () from +> +/lib/x86_64-linux-gnu/libpthread.so.0 +> +#1 0x00005574eda1e164 in qemu_sem_wait (sem=sem@entry=0x5574ef6930e0) at +> +qemu-2.12/util/qemu-thread-posix.c:322 +> +#2 0x00005574ed8dd72e in migration_maybe_pause (s=0x5574ef692f50, +> +current_active_state=0x7f50445f2ae4, new_state=10) +> +at qemu-2.12/migration/migration.c:2106 +> +#3 0x00005574ed8df51a in migration_completion (s=0x5574ef692f50) at +> +qemu-2.12/migration/migration.c:2137 +> +#4 migration_iteration_run (s=0x5574ef692f50) at +> +qemu-2.12/migration/migration.c:2311 +> +#5 migration_thread (opaque=0x5574ef692f50) +> +atqemu-2.12/migration/migration.c:2415 +> +#6 0x00007f504b847184 in start_thread () from +> +/lib/x86_64-linux-gnu/libpthread.so.0 +> +#7 0x00007f504b574bed in clone () from /lib/x86_64-linux-gnu/libc.so.6 +In migration_maybe_pause we have: + + migrate_set_state(&s->state, *current_active_state, + MIGRATION_STATUS_PRE_SWITCHOVER); + qemu_sem_wait(&s->pause_sem); + migrate_set_state(&s->state, MIGRATION_STATUS_PRE_SWITCHOVER, + new_state); + +the line numbers don't match my 2.12.0 checkout; so I guess that it's +that qemu_sem_wait it's stuck at. + +QEMU must have sent the switch to PRE_SWITCHOVER and that should have +sent an event to libvirt, and libvirt should notice that - I'm +not sure how to tell whether libvirt has seen that event yet or not? + +Dave + +> +libvirt: +> +Thread 95 (Thread 0x7fdb82ffd700 (LWP 28775)): +> +#0 0x00007fdd177dc404 in pthread_cond_wait@@GLIBC_2.3.2 () from +> +/lib/x86_64-linux-gnu/libpthread.so.0 +> +#1 0x00007fdd198c3b07 in virCondWait (c=0x7fdbc4003000, m=0x7fdbc4002f30) at +> +../../../src/util/virthread.c:252 +> +#2 0x00007fdd198f36d2 in virDomainObjWait (vm=0x7fdbc4002f20) at +> +../../../src/conf/domain_conf.c:3303 +> +#3 0x00007fdd09ffaa44 in qemuMigrationRun (driver=0x7fdd000037b0, +> +vm=0x7fdbc4002f20, persist_xml=0x0, +> +cookiein=0x7fdb780084e0 "<qemu-migration>\n <name>mss-pl_652</name>\n +> +<uuid>1f2b2334-451e-424b-822a-ea10452abb38</uuid>\n <hostname>mss +> +</hostname>\n +> +<hostuuid>334e344a-4130-4336-5534-323544543642</hostuuid>\n</qemu-migra"..., +> +cookieinlen=207, cookieout=0x7fdb82ffcad0, cookieoutlen=0x7fdb82ffcac8, +> +flags=777, +> +resource=0, spec=0x7fdb82ffc670, dconn=0x0, graphicsuri=0x0, +> +nmigrate_disks=0, migrate_disks=0x0, compression=0x7fdb78007990, +> +migParams=0x7fdb82ffc900) +> +at ../../../src/qemu/qemu_migration.c:3937 +> +#4 0x00007fdd09ffb26a in doNativeMigrate (driver=0x7fdd000037b0, +> +vm=0x7fdbc4002f20, persist_xml=0x0, uri=0x7fdb780073a0 +> +"tcp://172.16.202.17:49152", +> +cookiein=0x7fdb780084e0 "<qemu-migration>\n <name>mss-pl_652</name>\n +> +<uuid>1f2b2334-451e-424b-822a-ea10452abb38</uuid>\n +> +<hostname>mss</hostname>\n <hos---Type <return> to continue, or q <return> +> +to quit--- +> +tuuid>334e344a-4130-4336-5534-323544543642</hostuuid>\n</qemu-migra"..., +> +cookieinlen=207, cookieout=0x7fdb82ffcad0, cookieoutlen=0x7fdb82ffcac8, +> +flags=777, +> +resource=0, dconn=0x0, graphicsuri=0x0, nmigrate_disks=0, +> +migrate_disks=0x0, compression=0x7fdb78007990, migParams=0x7fdb82ffc900) +> +at ../../../src/qemu/qemu_migration.c:4118 +> +#5 0x00007fdd09ffd808 in qemuMigrationPerformPhase (driver=0x7fdd000037b0, +> +conn=0x7fdb500205d0, vm=0x7fdbc4002f20, persist_xml=0x0, +> +uri=0x7fdb780073a0 "tcp://172.16.202.17:49152", graphicsuri=0x0, +> +nmigrate_disks=0, migrate_disks=0x0, compression=0x7fdb78007990, +> +migParams=0x7fdb82ffc900, +> +cookiein=0x7fdb780084e0 "<qemu-migration>\n <name>mss-pl_652</name>\n +> +<uuid>1f2b2334-451e-424b-822a-ea10452abb38</uuid>\n +> +<hostname>mss</hostname>\n +> +<hostuuid>334e344a-4130-4336-5534-323544543642</hostuuid>\n</qemu-migra"..., +> +cookieinlen=207, cookieout=0x7fdb82ffcad0, cookieoutlen=0x7fdb82ffcac8, +> +flags=777, +> +resource=0) at ../../../src/qemu/qemu_migration.c:5030 +> +#6 0x00007fdd09ffdbb5 in qemuMigrationPerform (driver=0x7fdd000037b0, +> +conn=0x7fdb500205d0, vm=0x7fdbc4002f20, xmlin=0x0, persist_xml=0x0, +> +dconnuri=0x0, +> +uri=0x7fdb780073a0 "tcp://172.16.202.17:49152", graphicsuri=0x0, +> +listenAddress=0x0, nmigrate_disks=0, migrate_disks=0x0, nbdPort=0, +> +compression=0x7fdb78007990, +> +migParams=0x7fdb82ffc900, +> +cookiein=0x7fdb780084e0 "<qemu-migration>\n <name>mss-pl_652</name>\n +> +<uuid>1f2b2334-451e-424b-822a-ea10452abb38</uuid>\n +> +<hostname>mss</hostname>\n +> +<hostuuid>334e344a-4130-4336-5534-323544543642</hostuuid>\n</qemu-migra"..., +> +cookieinlen=207, cookieout=0x7fdb82ffcad0, cookieoutlen=0x7fdb82ffcac8, +> +flags=777, +> +dname=0x0, resource=0, v3proto=true) at +> +../../../src/qemu/qemu_migration.c:5124 +> +#7 0x00007fdd0a054725 in qemuDomainMigratePerform3 (dom=0x7fdb78007b00, +> +xmlin=0x0, +> +cookiein=0x7fdb780084e0 "<qemu-migration>\n <name>mss-pl_652</name>\n +> +<uuid>1f2b2334-451e-424b-822a-ea10452abb38</uuid>\n +> +<hostname>mss</hostname>\n +> +<hostuuid>334e344a-4130-4336-5534-323544543642</hostuuid>\n</qemu-migra"..., +> +cookieinlen=207, cookieout=0x7fdb82ffcad0, cookieoutlen=0x7fdb82ffcac8, +> +dconnuri=0x0, +> +uri=0x7fdb780073a0 "tcp://172.16.202.17:49152", flags=777, dname=0x0, +> +resource=0) at ../../../src/qemu/qemu_driver.c:12996 +> +#8 0x00007fdd199ad0f0 in virDomainMigratePerform3 (domain=0x7fdb78007b00, +> +xmlin=0x0, +> +cookiein=0x7fdb780084e0 "<qemu-migration>\n <name>mss-pl_652</name>\n +> +<uuid>1f2b2334-451e-424b-822a-ea10452abb38</uuid>\n +> +<hostname>mss</hostname>\n +> +<hostuuid>334e344a-4130-4336-5534-323544543642</hostuuid>\n</qemu-migra"..., +> +cookieinlen=207, cookieout=0x7fdb82ffcad0, cookieoutlen=0x7fdb82ffcac8, +> +dconnuri=0x0, +> +uri=0x7fdb780073a0 "tcp://172.16.202.17:49152", flags=777, dname=0x0, +> +bandwidth=0) at ../../../src/libvirt-domain.c:4698 +> +#9 0x000055d13923a939 in remoteDispatchDomainMigratePerform3 +> +(server=0x55d13af90e60, client=0x55d13b0156f0, msg=0x55d13afbf620, +> +rerr=0x7fdb82ffcbc0, +> +args=0x7fdb7800b220, ret=0x7fdb78021e90) at ../../../daemon/remote.c:4528 +> +#10 0x000055d13921a043 in remoteDispatchDomainMigratePerform3Helper +> +(server=0x55d13af90e60, client=0x55d13b0156f0, msg=0x55d13afbf620, +> +rerr=0x7fdb82ffcbc0, +> +args=0x7fdb7800b220, ret=0x7fdb78021e90) at +> +../../../daemon/remote_dispatch.h:7944 +> +#11 0x00007fdd19a260b4 in virNetServerProgramDispatchCall +> +(prog=0x55d13af98b50, server=0x55d13af90e60, client=0x55d13b0156f0, +> +msg=0x55d13afbf620) +> +at ../../../src/rpc/virnetserverprogram.c:436 +> +#12 0x00007fdd19a25c17 in virNetServerProgramDispatch (prog=0x55d13af98b50, +> +server=0x55d13af90e60, client=0x55d13b0156f0, msg=0x55d13afbf620) +> +at ../../../src/rpc/virnetserverprogram.c:307 +> +#13 0x000055d13925933b in virNetServerProcessMsg (srv=0x55d13af90e60, +> +client=0x55d13b0156f0, prog=0x55d13af98b50, msg=0x55d13afbf620) +> +at ../../../src/rpc/virnetserver.c:148 +> +------------------------------------------------------------------------------------------------------------------------------------- +> +æ¬é®ä»¶åå ¶é件å«ææ°åä¸éå¢çä¿å¯ä¿¡æ¯ï¼ä» éäºåéç»ä¸é¢å°åä¸ååº +> +ç个人æ群ç»ãç¦æ¢ä»»ä½å ¶ä»äººä»¥ä»»ä½å½¢å¼ä½¿ç¨ï¼å æ¬ä½ä¸éäºå ¨é¨æé¨åå°æ³é²ãå¤å¶ã +> +ææ£åï¼æ¬é®ä»¶ä¸çä¿¡æ¯ãå¦ææ¨éæ¶äºæ¬é®ä»¶ï¼è¯·æ¨ç«å³çµè¯æé®ä»¶éç¥å件人并å é¤æ¬ +> +é®ä»¶ï¼ +> +This e-mail and its attachments contain confidential information from New +> +H3C, which is +> +intended only for the person or entity whose address is listed above. Any use +> +of the +> +information contained herein in any way (including, but not limited to, total +> +or partial +> +disclosure, reproduction, or dissemination) by persons other than the intended +> +recipient(s) is prohibited. If you receive this e-mail in error, please +> +notify the sender +> +by phone or email immediately and delete it! +-- +Dr. David Alan Gilbert / address@hidden / Manchester, UK + +In migration_maybe_pause we have: + + migrate_set_state(&s->state, *current_active_state, + MIGRATION_STATUS_PRE_SWITCHOVER); + qemu_sem_wait(&s->pause_sem); + migrate_set_state(&s->state, MIGRATION_STATUS_PRE_SWITCHOVER, + new_state); + +the line numbers don't match my 2.12.0 checkout; so I guess that it's that +qemu_sem_wait it's stuck at. + +QEMU must have sent the switch to PRE_SWITCHOVER and that should have sent an +event to libvirt, and libvirt should notice that - I'm not sure how to tell +whether libvirt has seen that event yet or not? + + +Thank you for your attention. +Yes, you are right, QEMU wait semaphore in this place. +I use qemu-2.12.1, libvirt-4.0.0. +Because I added some debug code, so the line numbers doesn't match open qemu + +-----é®ä»¶å件----- +å件人: Dr. David Alan Gilbert [ +mailto:address@hidden +] +åéæ¶é´: 2019å¹´8æ21æ¥ 19:13 +æ¶ä»¶äºº: yuchen (Cloud) <address@hidden>; address@hidden +æé: address@hidden +主é¢: Re: [Qemu-devel] [BUG] living migrate vm pause forever + +* Yuchen (address@hidden) wrote: +> +Sometimes, living migrate vm pause forever, migrate job stop, but very small +> +probability, I canât reproduce. +> +qemu wait semaphore from libvirt send migrate continue, however libvirt wait +> +semaphore from qemu send vm pause. +Hi, + I've copied in Jiri Denemark from libvirt. +Can you confirm exactly which qemu and libvirt versions you're using please. + +> +follow stack: +> +qemu: +> +Thread 6 (Thread 0x7f50445f3700 (LWP 18120)): +> +#0 0x00007f504b84d670 in sem_wait () from +> +/lib/x86_64-linux-gnu/libpthread.so.0 +> +#1 0x00005574eda1e164 in qemu_sem_wait (sem=sem@entry=0x5574ef6930e0) +> +at qemu-2.12/util/qemu-thread-posix.c:322 +> +#2 0x00005574ed8dd72e in migration_maybe_pause (s=0x5574ef692f50, +> +current_active_state=0x7f50445f2ae4, new_state=10) +> +at qemu-2.12/migration/migration.c:2106 +> +#3 0x00005574ed8df51a in migration_completion (s=0x5574ef692f50) at +> +qemu-2.12/migration/migration.c:2137 +> +#4 migration_iteration_run (s=0x5574ef692f50) at +> +qemu-2.12/migration/migration.c:2311 +> +#5 migration_thread (opaque=0x5574ef692f50) +> +atqemu-2.12/migration/migration.c:2415 +> +#6 0x00007f504b847184 in start_thread () from +> +/lib/x86_64-linux-gnu/libpthread.so.0 +> +#7 0x00007f504b574bed in clone () from +> +/lib/x86_64-linux-gnu/libc.so.6 +In migration_maybe_pause we have: + + migrate_set_state(&s->state, *current_active_state, + MIGRATION_STATUS_PRE_SWITCHOVER); + qemu_sem_wait(&s->pause_sem); + migrate_set_state(&s->state, MIGRATION_STATUS_PRE_SWITCHOVER, + new_state); + +the line numbers don't match my 2.12.0 checkout; so I guess that it's that +qemu_sem_wait it's stuck at. + +QEMU must have sent the switch to PRE_SWITCHOVER and that should have sent an +event to libvirt, and libvirt should notice that - I'm not sure how to tell +whether libvirt has seen that event yet or not? + +Dave + +> +libvirt: +> +Thread 95 (Thread 0x7fdb82ffd700 (LWP 28775)): +> +#0 0x00007fdd177dc404 in pthread_cond_wait@@GLIBC_2.3.2 () from +> +/lib/x86_64-linux-gnu/libpthread.so.0 +> +#1 0x00007fdd198c3b07 in virCondWait (c=0x7fdbc4003000, +> +m=0x7fdbc4002f30) at ../../../src/util/virthread.c:252 +> +#2 0x00007fdd198f36d2 in virDomainObjWait (vm=0x7fdbc4002f20) at +> +../../../src/conf/domain_conf.c:3303 +> +#3 0x00007fdd09ffaa44 in qemuMigrationRun (driver=0x7fdd000037b0, +> +vm=0x7fdbc4002f20, persist_xml=0x0, +> +cookiein=0x7fdb780084e0 "<qemu-migration>\n <name>mss-pl_652</name>\n +> +<uuid>1f2b2334-451e-424b-822a-ea10452abb38</uuid>\n <hostname>mss +> +</hostname>\n +> +<hostuuid>334e344a-4130-4336-5534-323544543642</hostuuid>\n</qemu-migra"..., +> +cookieinlen=207, cookieout=0x7fdb82ffcad0, cookieoutlen=0x7fdb82ffcac8, +> +flags=777, +> +resource=0, spec=0x7fdb82ffc670, dconn=0x0, graphicsuri=0x0, +> +nmigrate_disks=0, migrate_disks=0x0, compression=0x7fdb78007990, +> +migParams=0x7fdb82ffc900) +> +at ../../../src/qemu/qemu_migration.c:3937 +> +#4 0x00007fdd09ffb26a in doNativeMigrate (driver=0x7fdd000037b0, +> +vm=0x7fdbc4002f20, persist_xml=0x0, uri=0x7fdb780073a0 +> +"tcp://172.16.202.17:49152", +> +cookiein=0x7fdb780084e0 "<qemu-migration>\n +> +<name>mss-pl_652</name>\n +> +<uuid>1f2b2334-451e-424b-822a-ea10452abb38</uuid>\n +> +<hostname>mss</hostname>\n <hos---Type <return> to continue, or q +> +<return> to quit--- +> +tuuid>334e344a-4130-4336-5534-323544543642</hostuuid>\n</qemu-migra".. +> +tuuid>., cookieinlen=207, cookieout=0x7fdb82ffcad0, +> +tuuid>cookieoutlen=0x7fdb82ffcac8, flags=777, +> +resource=0, dconn=0x0, graphicsuri=0x0, nmigrate_disks=0, +> +migrate_disks=0x0, compression=0x7fdb78007990, migParams=0x7fdb82ffc900) +> +at ../../../src/qemu/qemu_migration.c:4118 +> +#5 0x00007fdd09ffd808 in qemuMigrationPerformPhase (driver=0x7fdd000037b0, +> +conn=0x7fdb500205d0, vm=0x7fdbc4002f20, persist_xml=0x0, +> +uri=0x7fdb780073a0 "tcp://172.16.202.17:49152", graphicsuri=0x0, +> +nmigrate_disks=0, migrate_disks=0x0, compression=0x7fdb78007990, +> +migParams=0x7fdb82ffc900, +> +cookiein=0x7fdb780084e0 "<qemu-migration>\n <name>mss-pl_652</name>\n +> +<uuid>1f2b2334-451e-424b-822a-ea10452abb38</uuid>\n +> +<hostname>mss</hostname>\n +> +<hostuuid>334e344a-4130-4336-5534-323544543642</hostuuid>\n</qemu-migra"..., +> +cookieinlen=207, cookieout=0x7fdb82ffcad0, cookieoutlen=0x7fdb82ffcac8, +> +flags=777, +> +resource=0) at ../../../src/qemu/qemu_migration.c:5030 +> +#6 0x00007fdd09ffdbb5 in qemuMigrationPerform (driver=0x7fdd000037b0, +> +conn=0x7fdb500205d0, vm=0x7fdbc4002f20, xmlin=0x0, persist_xml=0x0, +> +dconnuri=0x0, +> +uri=0x7fdb780073a0 "tcp://172.16.202.17:49152", graphicsuri=0x0, +> +listenAddress=0x0, nmigrate_disks=0, migrate_disks=0x0, nbdPort=0, +> +compression=0x7fdb78007990, +> +migParams=0x7fdb82ffc900, +> +cookiein=0x7fdb780084e0 "<qemu-migration>\n <name>mss-pl_652</name>\n +> +<uuid>1f2b2334-451e-424b-822a-ea10452abb38</uuid>\n +> +<hostname>mss</hostname>\n +> +<hostuuid>334e344a-4130-4336-5534-323544543642</hostuuid>\n</qemu-migra"..., +> +cookieinlen=207, cookieout=0x7fdb82ffcad0, cookieoutlen=0x7fdb82ffcac8, +> +flags=777, +> +dname=0x0, resource=0, v3proto=true) at +> +../../../src/qemu/qemu_migration.c:5124 +> +#7 0x00007fdd0a054725 in qemuDomainMigratePerform3 (dom=0x7fdb78007b00, +> +xmlin=0x0, +> +cookiein=0x7fdb780084e0 "<qemu-migration>\n <name>mss-pl_652</name>\n +> +<uuid>1f2b2334-451e-424b-822a-ea10452abb38</uuid>\n +> +<hostname>mss</hostname>\n +> +<hostuuid>334e344a-4130-4336-5534-323544543642</hostuuid>\n</qemu-migra"..., +> +cookieinlen=207, cookieout=0x7fdb82ffcad0, cookieoutlen=0x7fdb82ffcac8, +> +dconnuri=0x0, +> +uri=0x7fdb780073a0 "tcp://172.16.202.17:49152", flags=777, +> +dname=0x0, resource=0) at ../../../src/qemu/qemu_driver.c:12996 +> +#8 0x00007fdd199ad0f0 in virDomainMigratePerform3 (domain=0x7fdb78007b00, +> +xmlin=0x0, +> +cookiein=0x7fdb780084e0 "<qemu-migration>\n <name>mss-pl_652</name>\n +> +<uuid>1f2b2334-451e-424b-822a-ea10452abb38</uuid>\n +> +<hostname>mss</hostname>\n +> +<hostuuid>334e344a-4130-4336-5534-323544543642</hostuuid>\n</qemu-migra"..., +> +cookieinlen=207, cookieout=0x7fdb82ffcad0, cookieoutlen=0x7fdb82ffcac8, +> +dconnuri=0x0, +> +uri=0x7fdb780073a0 "tcp://172.16.202.17:49152", flags=777, +> +dname=0x0, bandwidth=0) at ../../../src/libvirt-domain.c:4698 +> +#9 0x000055d13923a939 in remoteDispatchDomainMigratePerform3 +> +(server=0x55d13af90e60, client=0x55d13b0156f0, msg=0x55d13afbf620, +> +rerr=0x7fdb82ffcbc0, +> +args=0x7fdb7800b220, ret=0x7fdb78021e90) at +> +../../../daemon/remote.c:4528 +> +#10 0x000055d13921a043 in remoteDispatchDomainMigratePerform3Helper +> +(server=0x55d13af90e60, client=0x55d13b0156f0, msg=0x55d13afbf620, +> +rerr=0x7fdb82ffcbc0, +> +args=0x7fdb7800b220, ret=0x7fdb78021e90) at +> +../../../daemon/remote_dispatch.h:7944 +> +#11 0x00007fdd19a260b4 in virNetServerProgramDispatchCall +> +(prog=0x55d13af98b50, server=0x55d13af90e60, client=0x55d13b0156f0, +> +msg=0x55d13afbf620) +> +at ../../../src/rpc/virnetserverprogram.c:436 +> +#12 0x00007fdd19a25c17 in virNetServerProgramDispatch (prog=0x55d13af98b50, +> +server=0x55d13af90e60, client=0x55d13b0156f0, msg=0x55d13afbf620) +> +at ../../../src/rpc/virnetserverprogram.c:307 +> +#13 0x000055d13925933b in virNetServerProcessMsg (srv=0x55d13af90e60, +> +client=0x55d13b0156f0, prog=0x55d13af98b50, msg=0x55d13afbf620) +> +at ../../../src/rpc/virnetserver.c:148 +> +---------------------------------------------------------------------- +> +--------------------------------------------------------------- +> +æ¬é®ä»¶åå ¶é件å«ææ°åä¸éå¢çä¿å¯ä¿¡æ¯ï¼ä» éäºåéç»ä¸é¢å°åä¸ååº +> +ç个人æ群ç»ãç¦æ¢ä»»ä½å ¶ä»äººä»¥ä»»ä½å½¢å¼ä½¿ç¨ï¼å æ¬ä½ä¸éäºå ¨é¨æé¨åå°æ³é²ãå¤å¶ã +> +ææ£åï¼æ¬é®ä»¶ä¸çä¿¡æ¯ãå¦ææ¨éæ¶äºæ¬é®ä»¶ï¼è¯·æ¨ç«å³çµè¯æé®ä»¶éç¥å件人并å é¤æ¬ +> +é®ä»¶ï¼ +> +This e-mail and its attachments contain confidential information from +> +New H3C, which is intended only for the person or entity whose address +> +is listed above. Any use of the information contained herein in any +> +way (including, but not limited to, total or partial disclosure, +> +reproduction, or dissemination) by persons other than the intended +> +recipient(s) is prohibited. If you receive this e-mail in error, +> +please notify the sender by phone or email immediately and delete it! +-- +Dr. David Alan Gilbert / address@hidden / Manchester, UK + |