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authorChristian Krinitsin <mail@krinitsin.com>2025-06-30 12:24:58 +0000
committerChristian Krinitsin <mail@krinitsin.com>2025-06-30 12:27:06 +0000
commit33606b41d35115f887ea688b1a16f2ff85bf2fe4 (patch)
tree406b2c7b19a087ba437c68f3dbf0b589fa1d6150 /results/scraper/launchpad-without-comments/1877688
parentadedf8771bc4de3113041ca21bd4d0d1c0014b6a (diff)
downloadqemu-analysis-33606b41d35115f887ea688b1a16f2ff85bf2fe4.tar.gz
qemu-analysis-33606b41d35115f887ea688b1a16f2ff85bf2fe4.zip
add launchpad bug reports without comments
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+9p virtfs device reports error when opening certain files
+
+Reading certain files on a 9p mounted FS produces this error message:
+
+qemu-system-x86_64: VirtFS reply type 117 needs 12 bytes, buffer has 12, less than minimum
+
+After this error message is generated, further accesses to the 9p FS hangs whatever tries to access it. The Arch Linux guest system is otherwise usable. This happens with QEMU 5.0.0 and guest kernel version 5.6.11, hosted on an Arch Linux distro. I use the following command to launch QEMU:
+
+exec qemu-system-x86_64 -enable-kvm -display gtk -vga virtio -cpu host -m 4G -netdev tap,ifname=vmtap0,id=vn0,script=no,downscript=no -device virtio-net-pci,netdev=vn0 -kernel kernel.img -drive file=file.img,format=raw,if=virtio -virtfs local,path=mnt,mount_tag=host0,security_model=passthrough,id=host0 -append "console=ttyS0 root=/dev/vda rw"
+
+There's nothing relevant in the guest kernel logs as far as I'm aware of with loglevel set to 7.
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