Verification done for focal-proposed. focal-updates: FAIL (status: active) (qemu) info migrate ... Migration status: active total time: 0 milliseconds focal-proposed: PASS (status: setup) (qemu) info migrate ... Migration status: setup total time: 0 milliseconds Details: ======= $ lsb_release -cs focal focal-updates: FAIL ------------- $ curl http://ddebs.ubuntu.com/dbgsym-release-key.asc | sudo apt-key add - $ sudo add-apt-repository -y 'deb http://ddebs.ubuntu.com/ubuntu focal-updates main' $ sudo apt install --yes qemu-system-x86 qemu-system-x86-dbgsym $ dpkg -s qemu-system-x86 | grep Version: Version: 1:4.2-3ubuntu6.24 $ dpkg -s qemu-system-x86-dbgsym | grep Version: Version: 1:4.2-3ubuntu6.24 ... $ sudo add-apt-repository -ys 'deb http://archive.ubuntu.com/ubuntu focal-updates main' $ apt source qemu $ head -n1 qemu-*/debian/changelog qemu (1:4.2-3ubuntu6.24) focal-security; urgency=medium $ vim qemu-*/migration/migration.c 915 static void fill_source_migration_info(MigrationInfo *info) ... 925 case MIGRATION_STATUS_SETUP: 926 info->has_status = true; 927 info->has_total_time = false; 928 break; ... T1) $ qemu-system-x86_64 -nodefaults -nographic -S -incoming tcp:0:4444 T2) gdb \ -ex 'set non-stop on' -ex 'set pagination off' -ex 'set confirm off' \ qemu-system-x86_64 (gdb) b migrate_set_state Breakpoint 1 at 0x6d3aa0: migrate_set_state. (2 locations) (gdb) b migration/migration.c:928 Breakpoint 2 at 0x6d317b: file ./migration/migration.c, line 928. (gdb) run -nodefaults -nographic -S -monitor tcp:0:3333,server,wait=off T3) nc 127.0.0.1 3333 (qemu) migrate -d tcp:127.0.0.1:4444 T2) Thread 1 "qemu-system-x86" hit Breakpoint 1, migrate_set_state (state=0x5555566949d8, old_state=0, new_state=1) at ./migration/migration.c:1463 1463 ./migration/migration.c: No such file or directory. (gdb) p (MigrationStatus) 0 $1 = MIGRATION_STATUS_NONE (gdb) p (MigrationStatus) 1 $2 = MIGRATION_STATUS_SETUP (gdb) c Thread 5 "qemu-system-x86" hit Breakpoint 1, migrate_set_state (state=0x5555566949d8, old_state=1, new_state=4) at ./migration/migration.c:1463 1463 in ./migration/migration.c (gdb) p (MigrationStatus) 1 $3 = MIGRATION_STATUS_SETUP (gdb) p (MigrationStatus) 4 $4 = MIGRATION_STATUS_ACTIVE (gdb) T3) (qemu) info migrate T2) Thread 1 "qemu-system-x86" hit Breakpoint 2, fill_source_migration_info (info=0x555556850590) at ./migration/migration.c:928 928 in ./migration/migration.c (gdb) p (MigrationStatus) s.state $6 = MIGRATION_STATUS_SETUP (gdb) p info.status $7 = MIGRATION_STATUS_NONE (gdb) info threads Id Target Id Frame * 1 Thread 0x7ffff5ee55c0 (LWP 5066) "qemu-system-x86" fill_source_migration_info (info=0x555556850590) at ./migration/migration.c:928 2 Thread 0x7ffff5ee1700 (LWP 5070) "qemu-system-x86" (running) 3 Thread 0x7ffff565f700 (LWP 5071) "qemu-system-x86" (running) 5 Thread 0x7fffedfff700 (LWP 5075) "qemu-system-x86" migrate_set_state (state=0x5555566949d8, old_state=1, new_state=4) at ./migration/migration.c:1463 (gdb) thread 5 [Switching to thread 5 (Thread 0x7fffedfff700 (LWP 5075))] #0 migrate_set_state (state=0x5555566949d8, old_state=1, new_state=4) at ./migration/migration.c:1463 1463 in ./migration/migration.c (gdb) continue & Continuing. (gdb) info threads Id Target Id Frame 1 Thread 0x7ffff5ee55c0 (LWP 5066) "qemu-system-x86" fill_source_migration_info (info=0x555556850590) at ./migration/migration.c:928 2 Thread 0x7ffff5ee1700 (LWP 5070) "qemu-system-x86" (running) 3 Thread 0x7ffff565f700 (LWP 5071) "qemu-system-x86" (running) * 5 Thread 0x7fffedfff700 (LWP 5075) "qemu-system-x86" (running) (gdb) thread 1 [Switching to thread 1 (Thread 0x7ffff5ee55c0 (LWP 5066))] #0 fill_source_migration_info (info=0x555556850590) at ./migration/migration.c:928 928 in ./migration/migration.c (gdb) p (MigrationStatus) s.state $8 = MIGRATION_STATUS_ACTIVE (gdb) c T3) (qemu) info migrate info migrate globals: store-global-state: on only-migratable: off send-configuration: on send-section-footer: on decompress-error-check: on clear-bitmap-shift: 18 Migration status: active total time: 0 milliseconds (qemu) Migration status is active, without any RAM statistics. (qemu) quit (gdb) quit Terminal 1) Ctrl-C focal-proposed: PASS -------------- $ sudo add-apt-repository -ys 'deb http://archive.ubuntu.com/ubuntu focal-proposed main' $ sudo add-apt-repository -y 'deb http://ddebs.ubuntu.com/ubuntu focal-proposed main' $ sudo apt install --yes qemu-system-x86 qemu-system-x86-dbgsym $ dpkg -s qemu-system-x86 | grep Version: Version: 1:4.2-3ubuntu6.25 $ dpkg -s qemu-system-x86-dbgsym | grep Version: Version: 1:4.2-3ubuntu6.25 ... $ apt source qemu $ head -n1 qemu-*/debian/changelog qemu (1:4.2-3ubuntu6.25) focal; urgency=medium $ vim qemu-*/migration/migration.c 915 static void fill_source_migration_info(MigrationInfo *info) ... 926 case MIGRATION_STATUS_SETUP: 927 info->has_status = true; 928 info->has_total_time = false; 929 break; ... T1) $ qemu-system-x86_64 -nodefaults -nographic -S -incoming tcp:0:4444 T2) gdb \ -ex 'set non-stop on' -ex 'set pagination off' -ex 'set confirm off' \ qemu-system-x86_64 (gdb) b migrate_set_state Breakpoint 1 at 0x6d3b80: migrate_set_state. (2 locations) (gdb) b migration/migration.c:928 Breakpoint 2 at 0x6d32ad: file ./migration/migration.c, line 928. (gdb) run -nodefaults -nographic -S -monitor tcp:0:3333,server,wait=off T3) nc 127.0.0.1 3333 (qemu) migrate -d tcp:127.0.0.1:4444 T2) Thread 1 "qemu-system-x86" hit Breakpoint 1, migrate_set_state (state=0x5555566949d8, old_state=0, new_state=1) at ./migration/migration.c:1464 1464 ./migration/migration.c: No such file or directory. (gdb) p (MigrationStatus) 0 $1 = MIGRATION_STATUS_NONE (gdb) p (MigrationStatus) 1 $2 = MIGRATION_STATUS_SETUP (gdb) c Continuing. [New Thread 0x7fffedfff700 (LWP 6990)] [New Thread 0x7fffed7fe700 (LWP 6991)] [Thread 0x7fffedfff700 (LWP 6990) exited] Thread 5 "qemu-system-x86" hit Breakpoint 1, migrate_set_state (state=0x5555566949d8, old_state=1, new_state=4) at ./migration/migration.c:1464 1464 in ./migration/migration.c (gdb) p (MigrationStatus) 1 $3 = MIGRATION_STATUS_SETUP (gdb) p (MigrationStatus) 4 $4 = MIGRATION_STATUS_ACTIVE (gdb) T3) (qemu) info migrate T2) Thread 1 "qemu-system-x86" hit Breakpoint 2, fill_source_migration_info (info=0x555556850590) at ./migration/migration.c:928 928 in ./migration/migration.c (gdb) p (MigrationStatus) s.state $6 = MIGRATION_STATUS_SETUP (gdb) p info.status $7 = MIGRATION_STATUS_NONE (gdb) info threads Id Target Id Frame * 1 Thread 0x7ffff5ee55c0 (LWP 6983) "qemu-system-x86" fill_source_migration_info (info=0x555556850590) at ./migration/migration.c:928 2 Thread 0x7ffff5ee1700 (LWP 6987) "qemu-system-x86" (running) 3 Thread 0x7ffff565f700 (LWP 6988) "qemu-system-x86" (running) 5 Thread 0x7fffed7fe700 (LWP 6991) "qemu-system-x86" migrate_set_state (state=0x5555566949d8, old_state=1, new_state=4) at ./migration/migration.c:1464 (gdb) thread 5 [Switching to thread 5 (Thread 0x7fffed7fe700 (LWP 6991))] #0 migrate_set_state (state=0x5555566949d8, old_state=1, new_state=4) at ./migration/migration.c:1464 1464 in ./migration/migration.c (gdb) continue & Continuing. (gdb) info threads Id Target Id Frame 1 Thread 0x7ffff5ee55c0 (LWP 6983) "qemu-system-x86" fill_source_migration_info (info=0x555556850590) at ./migration/migration.c:928 2 Thread 0x7ffff5ee1700 (LWP 6987) "qemu-system-x86" (running) 3 Thread 0x7ffff565f700 (LWP 6988) "qemu-system-x86" (running) * 5 Thread 0x7fffed7fe700 (LWP 6991) "qemu-system-x86" (running) (gdb) thread 1 [Switching to thread 1 (Thread 0x7ffff5ee55c0 (LWP 6983))] #0 fill_source_migration_info (info=0x555556850590) at ./migration/migration.c:928 928 in ./migration/migration.c (gdb) p (MigrationStatus) s.state $8 = MIGRATION_STATUS_ACTIVE (gdb) c T3) (qemu) info migrate info migrate globals: store-global-state: on only-migratable: off send-configuration: on send-section-footer: on decompress-error-check: on clear-bitmap-shift: 18 Migration status: setup total time: 0 milliseconds Status is now still 'SETUP' (which is not expected to have RAM statistics), not 'ACTIVE' (which is, and caused the issue). (qemu) quit (gdb) quit Terminal 1) Ctrl-C