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| author | Christian Krinitsin <mail@krinitsin.com> | 2025-05-30 16:52:07 +0200 |
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| committer | Christian Krinitsin <mail@krinitsin.com> | 2025-05-30 16:52:17 +0200 |
| commit | 9260319e7411ff8281700a532caa436f40120ec4 (patch) | |
| tree | 2f6bfe5f3458dd49d328d3a9eb508595450adec0 /gitlab/issues/target_missing/host_missing/accel_missing/2179.toml | |
| parent | 225caa38269323af1bfc2daadff5ec8bd930747f (diff) | |
| download | qemu-analysis-9260319e7411ff8281700a532caa436f40120ec4.tar.gz qemu-analysis-9260319e7411ff8281700a532caa436f40120ec4.zip | |
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Diffstat (limited to 'gitlab/issues/target_missing/host_missing/accel_missing/2179.toml')
| -rw-r--r-- | gitlab/issues/target_missing/host_missing/accel_missing/2179.toml | 61 |
1 files changed, 0 insertions, 61 deletions
diff --git a/gitlab/issues/target_missing/host_missing/accel_missing/2179.toml b/gitlab/issues/target_missing/host_missing/accel_missing/2179.toml deleted file mode 100644 index 28e26cb51..000000000 --- a/gitlab/issues/target_missing/host_missing/accel_missing/2179.toml +++ /dev/null @@ -1,61 +0,0 @@ -id = 2179 -title = "qemu-storage-daemon: fuse export deadlock" -state = "opened" -created_at = "2024-02-19T23:58:34.115Z" -closed_at = "n/a" -labels = ["Storage", "kind::Bug"] -url = "https://gitlab.com/qemu-project/qemu/-/issues/2179" -host-os = "Arch Linux" -host-arch = "x86_64" -qemu-version = "8.2.1" -guest-os = "n/a" -guest-arch = "n/a" -description = "n/a" -reproduce = """1. Start QSD -2. Issue a `block-stream` and a read from the fuse export at the same time - -``` -Term 1: -(QEMU) block-stream device=root job-id=job1 -{"return": {}} -(QEMU) -{'timestamp': {'seconds': 1708386076, 'microseconds': 965781}, 'event': 'JOB_STATUS_CHANGE', 'data': {'status': 'created', 'id': 'job1'}} -{'timestamp': {'seconds': 1708386076, 'microseconds': 965838}, 'event': 'JOB_STATUS_CHANGE', 'data': {'status': 'running', 'id': 'job1'}} -(QEMU) -(QEMU) -(QEMU) -(QEMU) query-block-jobs - -<HANGS> - - -Term 2: -dd if=/tmp/fuse_exp of=/dev/null bs=1M skip=2000 -<HANGS> -``` - -``` -$ pidof qemu-storage-daemon - 92313 -$ sudo cat /proc/92313/task/92313/stack -[<0>] do_sys_poll+0x4e1/0x5d0 -[<0>] __x64_sys_ppoll+0xe2/0x170 -[<0>] do_syscall_64+0x64/0xe0 -[<0>] entry_SYSCALL_64_after_hwframe+0x6e/0x76 - -$ sudo cat /proc/92313/task/92314/stack -[<0>] futex_wait_queue+0x63/0x90 -[<0>] __futex_wait+0x14f/0x1c0 -[<0>] futex_wait+0x77/0x110 -[<0>] do_futex+0xcb/0x190 -[<0>] __x64_sys_futex+0x129/0x1e0 -[<0>] do_syscall_64+0x64/0xe0 -[<0>] entry_SYSCALL_64_after_hwframe+0x6e/0x76 -```""" -additional = """This might also be a general between `block-stream` and `copy-on-read` but I could only trigger the problem with FUSE and not NBD. E.g this command does not deadlock: -``` ---export type=nbd,id=nbd-root,node-name=root_crw,name=root_crw,writable=off - -nbdfuse /tmp/tmp.69dRvNXj1O/disk nbd://localhost:10809/root_crw -dd if=/tmp/tmp.69dRvNXj1O/disk of=/dev/null bs=1M skip=2000 -```""" |