diff options
Diffstat (limited to 'gitlab/issues_text/target_missing/host_missing/accel_missing/647')
| -rw-r--r-- | gitlab/issues_text/target_missing/host_missing/accel_missing/647 | 301 |
1 files changed, 0 insertions, 301 deletions
diff --git a/gitlab/issues_text/target_missing/host_missing/accel_missing/647 b/gitlab/issues_text/target_missing/host_missing/accel_missing/647 deleted file mode 100644 index c50c0bdea..000000000 --- a/gitlab/issues_text/target_missing/host_missing/accel_missing/647 +++ /dev/null @@ -1,301 +0,0 @@ -scsi_device_purge_requests() waits infinietly -Description of problem: -QEMU hangs typing `system_reset` in the monitor, the monitor becomes unresponsive, as does VNC. -Steps to reproduce: -1. In the guest as root: `dd if=/dev/sda ibs=2K obs=1M of=/dev/null` -2. In the host monitor: `(qemu) system_reset` -3. Attach with gdb -4. Press ^C in the unresponsive monitor -``` -Thread 1 "qemu-system-x86" received signal SIGINT, Interrupt. -0x00007ffff749796e in ppoll () from /lib64/libc.so.6 -(gdb) bt -#0 0x00007ffff749796e in ppoll () at /lib64/libc.so.6 -#1 0x00005555570e829a in ppoll () -#2 0x0000555559624473 in qemu_poll_ns (fds=0x6060000204e0, nfds=1, timeout=-1) at ../util/qemu-timer.c:336 -#3 0x0000555559651973 in fdmon_poll_wait (ctx=0x61300004d900, ready_list=0x7fffffffb200, timeout=-1) at ../util/fdmon-poll.c:80 -#4 0x00005555595f48f1 in aio_poll (ctx=0x61300004d900, blocking=true) at ../util/aio-posix.c:607 -#5 0x0000555559041dac in bdrv_do_drained_begin (bs=0x62900000a200, recursive=false, parent=0x0, ignore_bds_parents=false, poll=true) at ../block/io.c:473 -#6 0x00005555590414a3 in bdrv_drained_begin (bs=0x62900000a200) at ../block/io.c:479 -#7 0x000055555916f180 in blk_drain (blk=0x618000001080) at ../block/block-backend.c:1732 -#8 0x000055555778f140 in scsi_device_purge_requests (sdev=0x617000004d80, sense=...) at ../hw/scsi/scsi-bus.c:1638 -#9 0x0000555557842df9 in scsi_disk_reset (dev=0x617000004d80) at ../hw/scsi/scsi-disk.c:2248 -#10 0x00005555592a557e in device_transitional_reset (obj=0x617000004d80) at ../hw/core/qdev.c:1028 -#11 0x00005555592a7eb7 in resettable_phase_hold (obj=0x617000004d80, opaque=0x0, type=RESET_TYPE_COLD) at ../hw/core/resettable.c:182 -#12 0x000055555928a2e8 in bus_reset_child_foreach (obj=0x62d0000268d8, cb=0x5555592a78e0 <resettable_phase_hold>, opaque=0x0, type=RESET_TYPE_COLD) at ../hw/core/bus.c:97 -#13 0x00005555592aaaac in resettable_child_foreach (rc=0x60e000026f40, obj=0x62d0000268d8, cb=0x5555592a78e0 <resettable_phase_hold>, opaque=0x0, type=RESET_TYPE_COLD) at ../hw/core/resettable.c:96 -#14 0x00005555592a7b9a in resettable_phase_hold (obj=0x62d0000268d8, opaque=0x0, type=RESET_TYPE_COLD) at ../hw/core/resettable.c:173 -#15 0x00005555592a1c55 in device_reset_child_foreach (obj=0x62d000026680, cb=0x5555592a78e0 <resettable_phase_hold>, opaque=0x0, type=RESET_TYPE_COLD) at ../hw/core/qdev.c:366 -#16 0x00005555592aaaac in resettable_child_foreach (rc=0x60e000040a80, obj=0x62d000026680, cb=0x5555592a78e0 <resettable_phase_hold>, opaque=0x0, type=RESET_TYPE_COLD) at ../hw/core/resettable.c:96 -#17 0x00005555592a7b9a in resettable_phase_hold (obj=0x62d000026680, opaque=0x0, type=RESET_TYPE_COLD) at ../hw/core/resettable.c:173 -#18 0x000055555928a2e8 in bus_reset_child_foreach (obj=0x62d0000265f8, cb=0x5555592a78e0 <resettable_phase_hold>, opaque=0x0, type=RESET_TYPE_COLD) at ../hw/core/bus.c:97 -#19 0x00005555592aaaac in resettable_child_foreach (rc=0x60e000026680, obj=0x62d0000265f8, cb=0x5555592a78e0 <resettable_phase_hold>, opaque=0x0, type=RESET_TYPE_COLD) at ../hw/core/resettable.c:96 -#20 0x00005555592a7b9a in resettable_phase_hold (obj=0x62d0000265f8, opaque=0x0, type=RESET_TYPE_COLD) at ../hw/core/resettable.c:173 -#21 0x00005555592a1c55 in device_reset_child_foreach (obj=0x62d00001e400, cb=0x5555592a78e0 <resettable_phase_hold>, opaque=0x0, type=RESET_TYPE_COLD) at ../hw/core/qdev.c:366 -#22 0x00005555592aaaac in resettable_child_foreach (rc=0x60e000042300, obj=0x62d00001e400, cb=0x5555592a78e0 <resettable_phase_hold>, opaque=0x0, type=RESET_TYPE_COLD) at ../hw/core/resettable.c:96 -#23 0x00005555592a7b9a in resettable_phase_hold (obj=0x62d00001e400, opaque=0x0, type=RESET_TYPE_COLD) at ../hw/core/resettable.c:173 -#24 0x000055555928a2e8 in bus_reset_child_foreach (obj=0x62200005c260, cb=0x5555592a78e0 <resettable_phase_hold>, opaque=0x0, type=RESET_TYPE_COLD) at ../hw/core/bus.c:97 -#25 0x00005555592aaaac in resettable_child_foreach (rc=0x60e00002e2c0, obj=0x62200005c260, cb=0x5555592a78e0 <resettable_phase_hold>, opaque=0x0, type=RESET_TYPE_COLD) at ../hw/core/resettable.c:96 -#26 0x00005555592a7b9a in resettable_phase_hold (obj=0x62200005c260, opaque=0x0, type=RESET_TYPE_COLD) at ../hw/core/resettable.c:173 -#27 0x00005555592a1c55 in device_reset_child_foreach (obj=0x62200005b900, cb=0x5555592a78e0 <resettable_phase_hold>, opaque=0x0, type=RESET_TYPE_COLD) at ../hw/core/qdev.c:366 -#28 0x00005555592aaaac in resettable_child_foreach (rc=0x60e000030940, obj=0x62200005b900, cb=0x5555592a78e0 <resettable_phase_hold>, opaque=0x0, type=RESET_TYPE_COLD) at ../hw/core/resettable.c:96 -#29 0x00005555592a7b9a in resettable_phase_hold (obj=0x62200005b900, opaque=0x0, type=RESET_TYPE_COLD) at ../hw/core/resettable.c:173 -#30 0x000055555928a2e8 in bus_reset_child_foreach (obj=0x61d00008a280, cb=0x5555592a78e0 <resettable_phase_hold>, opaque=0x0, type=RESET_TYPE_COLD) at ../hw/core/bus.c:97 -#31 0x00005555592aaaac in resettable_child_foreach (rc=0x60e00002e2c0, obj=0x61d00008a280, cb=0x5555592a78e0 <resettable_phase_hold>, opaque=0x0, type=RESET_TYPE_COLD) at ../hw/core/resettable.c:96 -#32 0x00005555592a7b9a in resettable_phase_hold (obj=0x61d00008a280, opaque=0x0, type=RESET_TYPE_COLD) at ../hw/core/resettable.c:173 -#33 0x00005555592a1c55 in device_reset_child_foreach (obj=0x62a000006200, cb=0x5555592a78e0 <resettable_phase_hold>, opaque=0x0, type=RESET_TYPE_COLD) at ../hw/core/qdev.c:366 -#34 0x00005555592aaaac in resettable_child_foreach (rc=0x60e000030160, obj=0x62a000006200, cb=0x5555592a78e0 <resettable_phase_hold>, opaque=0x0, type=RESET_TYPE_COLD) at ../hw/core/resettable.c:96 -#35 0x00005555592a7b9a in resettable_phase_hold (obj=0x62a000006200, opaque=0x0, type=RESET_TYPE_COLD) at ../hw/core/resettable.c:173 -#36 0x000055555928a2e8 in bus_reset_child_foreach (obj=0x60c000020a40, cb=0x5555592a78e0 <resettable_phase_hold>, opaque=0x0, type=RESET_TYPE_COLD) at ../hw/core/bus.c:97 -#37 0x00005555592aaaac in resettable_child_foreach (rc=0x60e00002fde0, obj=0x60c000020a40, cb=0x5555592a78e0 <resettable_phase_hold>, opaque=0x0, type=RESET_TYPE_COLD) at ../hw/core/resettable.c:96 -#38 0x00005555592a7b9a in resettable_phase_hold (obj=0x60c000020a40, opaque=0x0, type=RESET_TYPE_COLD) at ../hw/core/resettable.c:173 -#39 0x00005555592a6e04 in resettable_assert_reset (obj=0x60c000020a40, type=RESET_TYPE_COLD) at ../hw/core/resettable.c:60 -#40 0x00005555592a6cb7 in resettable_reset (obj=0x60c000020a40, type=RESET_TYPE_COLD) at ../hw/core/resettable.c:45 -#41 0x00005555592a9337 in resettable_cold_reset_fn (opaque=0x60c000020a40) at ../hw/core/resettable.c:269 -#42 0x00005555592a6c35 in qemu_devices_reset () at ../hw/core/reset.c:69 -#43 0x00005555582fb4f5 in pc_machine_reset (machine=0x616000000380) at ../hw/i386/pc.c:1764 -#44 0x0000555558a58e56 in qemu_system_reset (reason=SHUTDOWN_CAUSE_HOST_QMP_SYSTEM_RESET) at ../softmmu/runstate.c:443 -#45 0x0000555558a5a746 in main_loop_should_exit () at ../softmmu/runstate.c:688 -#46 0x0000555558a5a57e in qemu_main_loop () at ../softmmu/runstate.c:722 -#47 0x00005555571acaef in main (argc=58, argv=0x7fffffffd8f8, envp=0x7fffffffdad0) at ../softmmu/main.c:50 -(gdb) -(gdb) fr 5 -#5 0x0000555559041dac in bdrv_do_drained_begin (bs=0x62900000a200, recursive=false, parent=0x0, ignore_bds_parents=false, poll=true) at ../block/io.c:473 -473 BDRV_POLL_WHILE(bs, bdrv_drain_poll_top_level(bs, recursive, parent)); -(gdb) p *bs -$1 = {open_flags = 24578, encrypted = false, sg = false, probed = false, force_share = false, implicit = false, drv = 0x55555b0b0c60 <bdrv_qcow2>, opaque = 0x615000015200, aio_context = 0x6130000df080, - aio_notifiers = {lh_first = 0x0}, walking_aio_notifiers = false, filename = "nvme://0000:bc:00.0/1", '\000' <repeats 4074 times>, backing_file = '\000' <repeats 4095 times>, - auto_backing_file = '\000' <repeats 4095 times>, backing_format = '\000' <repeats 15 times>, full_open_options = 0x621002ba2100, exact_filename = "nvme://0000:bc:00.0/1", '\000' <repeats 4074 times>, - backing = 0x0, file = 0x608000002ba0, bl = {request_alignment = 1, max_pdiscard = 0, pdiscard_alignment = 65536, max_pwrite_zeroes = 0, pwrite_zeroes_alignment = 65536, opt_transfer = 0, - max_transfer = 131072, max_hw_transfer = 0, min_mem_alignment = 512, opt_mem_alignment = 4096, max_iov = 1024}, supported_read_flags = 0, supported_write_flags = 0, supported_zero_flags = 260, - supported_truncate_flags = 2, node_name = "drive_nvme1", '\000' <repeats 20 times>, node_list = {tqe_next = 0x0, tqe_circ = {tql_next = 0x0, tql_prev = 0x6290000092d0}}, bs_list = {tqe_next = 0x0, - tqe_circ = {tql_next = 0x0, tql_prev = 0x6290000092e0}}, monitor_list = {tqe_next = 0x0, tqe_circ = {tql_next = 0x0, tql_prev = 0x6290000092f0}}, refcnt = 2, op_blockers = {{ - lh_first = 0x0} <repeats 16 times>}, inherits_from = 0x0, children = {lh_first = 0x608000002ba0}, parents = {lh_first = 0x608000003620}, options = 0x621000019100, explicit_options = 0x62100001a500, - detect_zeroes = BLOCKDEV_DETECT_ZEROES_OPTIONS_OFF, backing_blocker = 0x0, total_sectors = 41943040, write_threshold_offset = 0, dirty_bitmap_mutex = {lock = {__data = {__lock = 0, __count = 0, __owner = 0, - __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}, file = 0x0, line = 0, initialized = true}, - dirty_bitmaps = {lh_first = 0x0}, wr_highest_offset = {value = 17686634496}, copy_on_read = 0, in_flight = 128, serialising_in_flight = 0, io_plugged = 0, enable_write_cache = 0, quiesce_counter = 1, - recursive_quiesce_counter = 0, write_gen = 101, reqs_lock = {locked = 0, ctx = 0x0, from_push = {slh_first = 0x0}, to_pop = {slh_first = 0x0}, handoff = 0, sequence = 0, holder = 0x0}, tracked_requests = { - lh_first = 0x7ffc251b48a0}, flush_queue = {entries = {sqh_first = 0x0, sqh_last = 0x62900000e470}}, active_flush_req = false, flushed_gen = 81, never_freeze = false} -(gdb) fr 4 -#4 0x00005555595f48f1 in aio_poll (ctx=0x61300004d900, blocking=true) at ../util/aio-posix.c:607 -607 ret = ctx->fdmon_ops->wait(ctx, &ready_list, timeout); -(gdb) p timeout -$5 = -1 -(gdb) p blocking -$6 = true -(gdb) p *ctx -$3 = {source = {callback_data = 0x0, callback_funcs = 0x0, source_funcs = 0x55555b42d900 <aio_source_funcs>, ref_count = 2, context = 0x60f000000400, priority = 0, flags = 33, source_id = 1, - poll_fds = 0x615000001790 = {0x60d000000860}, prev = 0x0, next = 0x61300004d3c0, name = 0x602000010a10 "aio-context", priv = 0x619000003830}, lock = {m = {lock = {__data = {__lock = 0, __count = 0, - __owner = 0, __nusers = 0, __kind = 1, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 16 times>, "\001", '\000' <repeats 22 times>, __align = 0}, - file = 0x0, line = 0, initialized = true}}, aio_handlers = {lh_first = 0x60d000000860}, deleted_aio_handlers = {lh_first = 0x0}, notify_me = 2, list_lock = {count = 4}, bh_list = {slh_first = 0x0}, - bh_slice_list = {sqh_first = 0x0, sqh_last = 0x61300004d9b8}, notified = false, notifier = {rfd = 7, wfd = 7, initialized = true}, scheduled_coroutines = {slh_first = 0x0}, co_schedule_bh = 0x604000001110, - thread_pool = 0x0, tlg = {tl = {0x60b00000a1d0, 0x60b00000a280, 0x60b00000a330, 0x60b00000a3e0}}, external_disable_cnt = 0, poll_disable_cnt = 0, poll_ns = 0, poll_max_ns = 0, poll_grow = 0, - poll_shrink = 0, aio_max_batch = 0, poll_aio_handlers = {lh_first = 0x60d000000860}, poll_started = false, epollfd = 6, fdmon_ops = 0x55555a4ebbc0 <fdmon_poll_ops>} -(gdb) p ctx->bh_list -$8 = {slh_first = 0x0} -(gdb) p ctx->bh_slice_list -$9 = {sqh_first = 0x0, sqh_last = 0x61300004d9b8} -(gdb) p *ctx->bh_slice_list.sqh_last -$11 = (struct BHListSlice *) 0x0 -(gdb) p ctx->tlg -$12 = {tl = {0x60b00000a1d0, 0x60b00000a280, 0x60b00000a330, 0x60b00000a3e0}} -(gdb) p timerlist_deadline_ns(ctx->tlg.tl[0]) -$14 = -1 -(gdb) p timerlist_deadline_ns(ctx->tlg.tl[1]) -$15 = -1 -(gdb) p timerlist_deadline_ns(ctx->tlg.tl[2]) -$16 = -1 -(gdb) p timerlist_deadline_ns(ctx->tlg.tl[3]) -$17 = -1 -``` -What I see is: -- timerlistgroup_deadline_ns() -> -1 -- aio_compute_timeout() -> -1 -- aio_poll() -> -1 - -So scsi_device_purge_requests() waits indefinitively. -Additional information: -``` -../configure --enable-trace-backends=log --disable-docs --enable-debug --extra-cflags='-ggdb -fPIE' --disable-user --disable-tools --target-list=x86_64-softmmu --cc=clang --cxx=clang++ --enable-sanitizers --disable-vhost-user -qemu 6.1.0 - - Directories - Install prefix: /usr/local - BIOS directory: share/qemu - firmware path: /usr/local/share/qemu-firmware - binary directory: bin - library directory: lib - module directory: lib/qemu - libexec directory: libexec - include directory: include - config directory: /usr/local/etc - local state directory: /usr/local/var - Manual directory: share/man - Doc directory: /usr/local/share/doc - Build directory: /home/philmd/qemu/build - Source path: /home/philmd/qemu - GIT submodules: ui/keycodemapdb meson tests/fp/berkeley-testfloat-3 tests/fp/berkeley-softfloat-3 dtc capstone slirp - - Host binaries - git: git - make: make - python: /usr/bin/python3 (version: 3.9) - sphinx-build: NO - gdb: /usr/bin/gdb - genisoimage: /usr/bin/mkisofs - smbd: "/usr/sbin/smbd" - - Configurable features - Documentation: NO - system-mode emulation: YES - user-mode emulation: NO - block layer: YES - Install blobs: YES - module support: NO - fuzzing support: NO - Audio drivers: oss - Trace backends: log - QOM debugging: YES - vhost-kernel support: YES - vhost-net support: YES - vhost-crypto support: NO - vhost-scsi support: YES - vhost-vsock support: YES - vhost-user support: NO - vhost-user-blk server support: NO - vhost-user-fs support: NO - vhost-vdpa support: YES - build guest agent: YES - - Compilation - host CPU: x86_64 - host endianness: little - C compiler: clang - Host C compiler: clang - C++ compiler: clang++ - CFLAGS: -O0 -g - CXXFLAGS: -O0 -g - QEMU_CFLAGS: -fsanitize=undefined -fsanitize=address -m64 -mcx16 -D_GNU_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -Wstrict-prototypes -Wredundant-decls -Wundef -Wwrite-strings -Wmissing-prototypes -fno-strict-aliasing -fno-common -fwrapv -ggdb -fPIE -Wold-style-definition -Wtype-limits -Wformat-security -Wformat-y2k -Winit-self -Wignored-qualifiers -Wempty-body -Wnested-externs -Wendif-labels -Wexpansion-to-defined -Wno-initializer-overrides -Wno-missing-include-dirs -Wno-shift-negative-value -Wno-string-plus-int -Wno-typedef-redefinition -Wno-tautological-type-limit-compare -Wno-psabi -fstack-protector-strong - QEMU_LDFLAGS: -Wl,--warn-common -fsanitize=undefined -fsanitize=address -Wl,-z,relro -Wl,-z,now -m64 -ggdb -fPIE -fstack-protector-strong - profiler: NO - link-time optimization (LTO): NO - PIE: YES - static build: NO - malloc trim support: YES - membarrier: NO - debug stack usage: NO - mutex debugging: YES - memory allocator: system - avx2 optimization: NO - avx512f optimization: NO - gprof enabled: NO - gcov: NO - thread sanitizer: NO - CFI support: NO - strip binaries: NO - sparse: NO - mingw32 support: NO - x86_64 tests: x86_64-linux-gnu-gcc via debian-amd64-cross - - Targets and accelerators - KVM support: YES - HAX support: NO - HVF support: NO - WHPX support: NO - NVMM support: NO - Xen support: NO - TCG support: YES - TCG backend: native (x86_64) - TCG plugins: YES - TCG debug enabled: YES - target list: x86_64-softmmu - default devices: YES - out of process emulation: YES - - Block layer support - coroutine backend: ucontext - coroutine pool: YES - Block whitelist (rw): - Block whitelist (ro): - Use block whitelist in tools: NO - VirtFS support: NO - build virtiofs daemon: NO - Live block migration: YES - replication support: YES - bochs support: YES - cloop support: YES - dmg support: YES - qcow v1 support: YES - vdi support: YES - vvfat support: YES - qed support: YES - parallels support: YES - FUSE exports: NO - - Crypto - TLS priority: "NORMAL" - GNUTLS support: YES - GNUTLS crypto: YES - libgcrypt: NO - nettle: NO - crypto afalg: NO - rng-none: NO - Linux keyring: YES - - Dependencies - SDL support: NO - SDL image support: NO - GTK support: NO - pixman: YES - VTE support: NO - slirp support: internal - libtasn1: YES - PAM: NO - iconv support: YES - curses support: YES - virgl support: NO - curl support: NO - Multipath support: NO - VNC support: YES - VNC SASL support: YES - VNC JPEG support: YES - VNC PNG support: NO - brlapi support: NO - vde support: NO - netmap support: NO - Linux AIO support: NO - Linux io_uring support: NO - ATTR/XATTR support: YES - RDMA support: NO - PVRDMA support: NO - fdt support: internal - libcap-ng support: NO - bpf support: NO - spice support: NO - rbd support: NO - xfsctl support: NO - smartcard support: NO - U2F support: NO - libusb: NO - usb net redir: NO - OpenGL support: NO - GBM: NO - libiscsi support: NO - libnfs support: NO - seccomp support: NO - GlusterFS support: NO - TPM support: YES - libssh support: NO - lzo support: NO - snappy support: NO - bzip2 support: NO - lzfse support: NO - zstd support: NO - NUMA host support: NO - libxml2: NO - capstone: internal - libpmem support: NO - libdaxctl support: NO - libudev: NO - FUSE lseek: NO - ``` |