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authorChristian Krinitsin <mail@krinitsin.com>2025-06-01 21:35:14 +0200
committerChristian Krinitsin <mail@krinitsin.com>2025-06-01 21:35:14 +0200
commit3e4c5a6261770bced301b5e74233e7866166ea5b (patch)
tree9379fddaba693ef8a045da06efee8529baa5f6f4 /gitlab/issues_text/target_missing/host_missing/accel_missing/1337
parente5634e2806195bee44407853c4bf8776f7abfa4f (diff)
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clean up repository
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-Incorrect warnings when using vhost without numa
-Description of problem:
-Part A: Misleading error message. Running the above command for any architecture fails to initialize vhost, and prints the following, incorrect advice
-```
-qemu-system-mips: Failed initializing vhost-user memory map, consider using -object memory-backend-file share=on
-qemu-system-mips: vhost_set_mem_table failed: Invalid argument (22)
-qemu-system-mips: Error starting vhost: 22
-```
-
-Since the command line already contains `-object memory-backend-file,id=mem1,mem-path=/tmp/mem,size=256M,share=on` this error message should not be printed. For x86_64, this can be resolved by adding `-numa node,memdev=mem0` to the command line. As such, I think this error message should instead guide a user to adding that argument.
-
-Part B: No documented configuration to run vhost-user for machines that don't support numa.
-The mips malta machine does not support the `-numa` flag. It is unclear if this means that `vhost` cannot be used with this platform or if a non-numa configuration with a memory-backend-file can be used.
-Steps to reproduce:
-1. Run `vhost-user-vsock --socket=/tmp/vhost4.socket --uds-path=/tmp/foo` from https://github.com/rust-vmm/vhost-device.
-1. Run the above QEMU command