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authorChristian Krinitsin <mail@krinitsin.com>2025-07-03 19:39:53 +0200
committerChristian Krinitsin <mail@krinitsin.com>2025-07-03 19:39:53 +0200
commitdee4dcba78baf712cab403d47d9db319ab7f95d6 (patch)
tree418478faf06786701a56268672f73d6b0b4eb239 /results/classifier/deepseek-2/output/hypervisor/2976
parent4d9e26c0333abd39bdbd039dcdb30ed429c475ba (diff)
downloademulator-bug-study-dee4dcba78baf712cab403d47d9db319ab7f95d6.tar.gz
emulator-bug-study-dee4dcba78baf712cab403d47d9db319ab7f95d6.zip
restructure results
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diff --git a/results/classifier/deepseek-2/output/hypervisor/2976 b/results/classifier/deepseek-2/output/hypervisor/2976
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-
-attach-ns doesn't work correctly in SR-IOV, cannot attach NS to VF if it is attached to a PF
-Description of problem:
-We can't attach namespace to a VF (Secondary controller) unless it is not attached to a primary controller first
-
-Lately in the commit https://github.com/qemu/qemu/commit/6ccca4b6bb9f994cc04e71004e1767a3476d2b23 the file qemu/hw/nvme/ctrl.c got changed -\> in function "nvme_ns_attachment" -\> line 6819 (At the time I'm writing the bug) which is the condation in attach ns to check if the namespace is attached "`if (nvme_ns(n, nsid)) {`"
-
-This change will always result in checking the namespace attach to the PF even if we are trying to attach it to the VF.
-Steps to reproduce:
-1. Enable a VF:
-
-```
-echo 1 > /sys/bus/pci/devices/0000:01:00.0/reset
-sleep 1
-
-echo 2 > /sys/bus/pci/devices/0000:01:00.0/sriov_numvfs
-sleep 1
-
-nvme virt-mgmt /dev/nvme0 -c 1 -r 1 -a 8 -n 1
-nvme virt-mgmt /dev/nvme0 -c 1 -r 0 -a 8 -n 2
-nvme virt-mgmt /dev/nvme0 -c 1 -a 9
-sleep 1
-```
-
-2. attach namespace 1 to the PF (e.g. `vme attach-ns /dev/nvme0 -n1 -c0` )
-3. try to attach it using the nvme_cli command from the PF (e.g. `nvme attach-ns /dev/nvme0 -n1 -c1`)