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+id = 2645
+title = "Failed shutdown during record with `ide-hd` disk."
+state = "opened"
+created_at = "2024-10-29T17:57:17.091Z"
+closed_at = "n/a"
+labels = ["accel: TCG", "icount"]
+url = "https://gitlab.com/qemu-project/qemu/-/issues/2645"
+host-os = "Ubuntu 20.04.6"
+host-arch = "x64"
+qemu-version = "9.1.50 (v9.1.0-930-gf774a67750)"
+guest-os = "Ubuntu Server 20.04.6"
+guest-arch = "x64"
+description = """Running `shutdown -h now` on the guest with an `ide-hd` disk during a recording results in a long wait, followed by a BMDMA error."""
+reproduce = """1. Install Ubuntu Server guest OS and create disk snapshot
+1. Reboot and log in: `qemu-system-x86_64 -hda ubuntu_snapshot.qcow2 -m 2g -net none -monitor stdio`
+2. Take a snapshot: `savevm loggedin`
+3. Start recording from VM snapshot: `./qemu/build/qemu-system-x86_64 -icount shift=auto,rr=record,rrfile=ubuntu_shutdown.bin -drive file=ubuntu_snapshot.qcow2,if=none,id=img-direct -drive driver=blkreplay,if=none,image=img-direct,id=img-blkreplay -device ide-hd,drive=img-blkreplay -loadvm loggedin -net none -m 2g`
+4. Run `shutdown -h now` in guest
+5. Wait (~5-10 mins)
+6. Observe BMDMA error (see below)"""
+additional = """```
+ata1.00: exeption Emask 0x0 SAct 0.0 SErr 0.0 action 0x6
+ata1.00: BMDMA stat 0x5
+ata1.00: failed command: READ DMA
+ata1.00: cmd c8/xx:xx:xx:xx:xx/xx:xx:xx:xx:xx/xx tag - dma 4096 in
+         res 00/00:00:00:00:00/00:00:00:00:00/00 Emask 0x2 (HSM violation)
+ata1.00: revalidation failed (errno=-2)
+...
+```
+
+Note: Running the same command on a guest with a `virtio` disk results in further progress, but still does not shut down (stuck on `[  OK  ] Stopped Create final runtime dir for shutdown pivot root.`)"""