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authorChristian Krinitsin <mail@krinitsin.com>2025-07-03 07:27:52 +0000
committerChristian Krinitsin <mail@krinitsin.com>2025-07-03 07:27:52 +0000
commitd0c85e36e4de67af628d54e9ab577cc3fad7796a (patch)
treef8f784b0f04343b90516a338d6df81df3a85dfa2 /results/classifier/gemma3:12b/peripherals/2645
parent7f4364274750eb8cb39a3e7493132fca1c01232e (diff)
downloadqemu-analysis-d0c85e36e4de67af628d54e9ab577cc3fad7796a.tar.gz
qemu-analysis-d0c85e36e4de67af628d54e9ab577cc3fad7796a.zip
add deepseek and gemma results
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+
+Failed shutdown during record with `ide-hd` disk.
+Description of problem:
+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.
+Steps to 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 information:
+```
+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.`)