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Diffstat (limited to 'results/classifier/deepseek-2-tmp/output/KVM/1536487')
| -rw-r--r-- | results/classifier/deepseek-2-tmp/output/KVM/1536487 | 24 |
1 files changed, 0 insertions, 24 deletions
diff --git a/results/classifier/deepseek-2-tmp/output/KVM/1536487 b/results/classifier/deepseek-2-tmp/output/KVM/1536487 deleted file mode 100644 index b225eee13..000000000 --- a/results/classifier/deepseek-2-tmp/output/KVM/1536487 +++ /dev/null @@ -1,24 +0,0 @@ - -Unable to migrate pc-i440fx-2.4 KVM guest from QEMU 2.5.0 to QEMU 2.4.1 - -When migrating a pc-i440fc-2.4 KVM guest from QEMU 2.5.0 to QEMU 2.4.1, the target QEMU errors out: - - qemu-system-x86_64: error while loading state for instance 0x0 of device 'fw_cfg' - -This appears to be related to the addition of a DMA interface to fw_cfg last October: - - http://lists.nongnu.org/archive/html/qemu-devel/2015-10/msg04568.html - -"info qtree" on the source QEMU shows that the DMA interface for fw_cfg had been enabled: - - bus: main-system-bus - type System - ... - dev: fw_cfg_io, id "" - iobase = 1296 (0x510) - dma_iobase = 1300 (0x514) - dma_enabled = true - -Incidentally, this guest had just undergone a migration from QEMU 2.4.0 to QEMU 2.5.0, so it looks like DMA was enabled simply through the migration. - -It seems to me that the DMA interface for fw_cfg should only be enabled on pc-i440fx-2.5 machines or higher. \ No newline at end of file |