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Diffstat (limited to 'gitlab/issues/target_missing/host_missing/accel_missing/2720.toml')
| -rw-r--r-- | gitlab/issues/target_missing/host_missing/accel_missing/2720.toml | 80 |
1 files changed, 0 insertions, 80 deletions
diff --git a/gitlab/issues/target_missing/host_missing/accel_missing/2720.toml b/gitlab/issues/target_missing/host_missing/accel_missing/2720.toml deleted file mode 100644 index fe2c4618b..000000000 --- a/gitlab/issues/target_missing/host_missing/accel_missing/2720.toml +++ /dev/null @@ -1,80 +0,0 @@ -id = 2720 -title = "migration failure from qemu 7.1.0 to qemu 9.2.0+ with multifd capability enabled" -state = "closed" -created_at = "2024-12-12T17:02:08.921Z" -closed_at = "2025-01-01T10:35:41.652Z" -labels = ["Migration", "Regression"] -url = "https://gitlab.com/qemu-project/qemu/-/issues/2720" -host-os = "CentOS Stream release 9" -host-arch = "x86_64" -qemu-version = "7.1.0 / 9.2.0 / 9.2.50" -guest-os = "n/a" -guest-arch = "x86_64" -description = """Enabling multifd when doing migration from qemu 7.1.0 to 9.2.0+ causes the migration to fail. -The migration status reported is: - -``` -Migration status: failed (Unable to write to socket: Broken pipe) -``` - -I could reproduce on qemu 9.2.0 and from a build from master. The migration is successful if I don't enable multifd. - -I could not reproduce this issue migrating from 7.1.0 to 9.1.2.""" -reproduce = """Minimal setup to reproduce below, running both qemu instances on the same host. - -1. Start qemu instance receiving the migration: - -``` -$ qemu-system-x86_64 -version -QEMU emulator version 9.2.50 (v9.2.0-28-ga5ba0a7e4e) - -$ qemu-system-x86_64 -M pc-q35-7.1 -m 16G -nographic -incoming defer -net none -trace 'migration*' -[...] -(qemu) migrate_set_capability multifd on -(qemu) migrate_set_parameter multifd-channels 4 -(qemu) migrate_incoming tcp:0:12345 -[...] -(qemu) migration_socket_incoming_accepted -migration_set_incoming_channel ioc=0x5619735b1800 ioctype=qio-channel-socket -migration_socket_incoming_accepted -migration_set_incoming_channel ioc=0x561972dff670 ioctype=qio-channel-socket -migration_socket_incoming_accepted -migration_set_incoming_channel ioc=0x561972dad800 ioctype=qio-channel-socket -migration_socket_incoming_accepted -migration_set_incoming_channel ioc=0x561972c9d670 ioctype=qio-channel-socket -migration_socket_incoming_accepted -migration_set_incoming_channel ioc=0x561972c7b270 ioctype=qio-channel-socket - -``` - -2. Start the qemu instance that will be used to initiate the migration with multifd enabled, and initiate the migration - -``` -$ qemu-system-x86_64 -version -QEMU emulator version 7.1.0 (v7.1.0) - -$ qemu-system-x86_64 -M pc-q35-7.1 -m 16G -nographic -net none -trace 'migration*' -[...] -(qemu) migrate_set_capability multifd on -(qemu) migrate_set_parameter multifd-channels 4 -(qemu) migrate -d tcp:0:12345 -(qemu) migration_socket_outgoing_connected hostname=0 -migration_set_outgoing_channel ioc=0x558ea2051400 ioctype=qio-channel-socket hostname=0 err=(nil) -migration_bitmap_sync_start -migration_bitmap_sync_end dirty_pages 0 -migration_thread_setup_complete -migration_bitmap_clear_dirty rb pc.ram start 0x0 size 0x40000000 page 0x0 -migration_thread_after_loop -qemu-system-x86_64: Unable to write to socket: Broken pipe -(qemu) 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: failed (Unable to write to socket: Broken pipe) -total time: 0 ms -```""" -additional = "n/a" |