On 28 September 2016 at 02:37, Kevin Wolf <kw...@redhat.com> wrote: > Am 27.09.2016 um 21:42 hat Peter Maydell geschrieben: >> On 27 September 2016 at 06:53, Kevin Wolf <kw...@redhat.com> wrote: >> > The following changes since commit >> > 7cfdc02dae0d2ff58c897496cfdbbafc0eda0f3f: >> > >> > Merge remote-tracking branch 'remotes/mst/tags/for_upstream' into >> > staging (2016-09-26 19:47:00 +0100) >> > >> > are available in the git repository at: >> > >> > >> > git://repo.or.cz/qemu/kevin.git tags/for-upstream >> > >> > for you to fetch changes up to 3b856cebe5e93547852c156ca2119d075e62aed7: >> > >> > coroutine: reduce stack size to 60kB (2016-09-27 14:05:21 +0200) >> > >> > ---------------------------------------------------------------- >> > Block layer patches >> > >> > ---------------------------------------------------------------- >> >> I see 'make check' failures on x86-64 host, clang Linux: >> >> /i386/ahci/migrate/ncq/simple: OK >> /i386/ahci/migrate/ncq/halted: OK >> /i386/ahci/cdrom/dma/single: OK >> /i386/ahci/cdrom/dma/multi: OK >> /i386/ahci/cdrom/pio/single: >> Broken pipe >> FAIL >> GTester: last random seed: R02Sa8f729848b07c3b3e5ee67368f9d0350 >> (pid=10590) >> /i386/ahci/cdrom/pio/multi: >> Broken pipe >> FAIL >> GTester: last random seed: R02Se85704e04bbd382223983c878723b811 >> (pid=10598) >> FAIL: tests/ahci-test >> TEST: tests/hd-geo-test... (pid=10601) >> /i386/hd-geo/ide/none: OK > > I asked on IRC, but as you don't seem to be around at the moment, I'll > keep things on the list instead.
I got a gdb backtrace: Thread 1 "qemu-system-i38" received signal SIGSEGV, Segmentation fault. 0x00005555561dea15 in address_space_translate (as=0x55555a46bfc0, addr=1106048, xlat=0x7ffff7e0d050, plen=0x7ffff7e0d058, is_write=false) at /home/petmay01/linaro/qemu-for-merges/exec.c:423 423 { Backtrace suggests we've run out of stack due to some infinite recursion: #0 0x00005555561dea15 in address_space_translate (as=0x55555a46bfc0, addr=1106048, xlat=0x7ffff7e0d050, plen=0x7ffff7e0d058, is_write=false) at /home/petmay01/linaro/qemu-for-merges/exec.c:423 #1 0x00005555561edeab in address_space_map (as=<optimised out>, addr=1106048, plen=<optimised out>, is_write=false) at /home/petmay01/linaro/qemu-for-merges/exec.c:2909 #2 0x0000555556840b9b in ahci_populate_sglist (as=0x55555a46bfc0, addr=1106048, dir=DMA_DIRECTION_TO_DEVICE, len=<optimised out>) at /home/petmay01/linaro/qemu-for-merges/include/sysemu/dma.h:135 #3 0x0000555556840b9b in ahci_populate_sglist (ad=<optimised out>, sglist=<optimised out>, cmd=<optimised out>, limit=<optimised out>, offset=1592) at /home/petmay01/linaro/qemu-for-merges/hw/ide/ahci.c:863 #4 0x0000555556844de4 in ahci_dma_prepare_buf (dma=0x55555a475b48, limit=<optimised out>) at /home/petmay01/linaro/qemu-for-merges/hw/ide/ahci.c:1366 #5 0x000055555684354c in ahci_start_transfer (dma=<optimised out>) at /home/petmay01/linaro/qemu-for-merges/hw/ide/ahci.c:1295 #6 0x00005555568250cb in ide_atapi_cmd_reply_end (s=<optimised out>) at /home/petmay01/linaro/qemu-for-merges/hw/ide/atapi.c:324 #7 0x0000555556843662 in ahci_start_transfer (dma=<optimised out>) at /home/petmay01/linaro/qemu-for-merges/hw/ide/ahci.c:1318 #8 0x00005555568250cb in ide_atapi_cmd_reply_end (s=<optimised out>) at /home/petmay01/linaro/qemu-for-merges/hw/ide/atapi.c:324 #9 0x0000555556843662 in ahci_start_transfer (dma=<optimised out>) at /home/petmay01/linaro/qemu-for-merges/hw/ide/ahci.c:1318 #10 0x00005555568250cb in ide_atapi_cmd_reply_end (s=<optimised out>) at /home/petmay01/linaro/qemu-for-merges/hw/ide/atapi.c:324 #11 0x0000555556843662 in ahci_start_transfer (dma=<optimised out>) at /home/petmay01/linaro/qemu-for-merges/hw/ide/ahci.c:1318 #12 0x00005555568250cb in ide_atapi_cmd_reply_end (s=<optimised out>) at /home/petmay01/linaro/qemu-for-merges/hw/ide/atapi.c:324 #13 0x0000555556843662 in ahci_start_transfer (dma=<optimised out>) at /home/petmay01/linaro/qemu-for-merges/hw/ide/ahci.c:1318 #14 0x00005555568250cb in ide_atapi_cmd_reply_end (s=<optimised out>) at /home/petmay01/linaro/qemu-for-merges/hw/ide/atapi.c:324 #15 0x0000555556843662 in ahci_start_transfer (dma=<optimised out>) at /home/petmay01/linaro/qemu-for-merges/hw/ide/ahci.c:1318 #16 0x00005555568250cb in ide_atapi_cmd_reply_end (s=<optimised out>) at /home/petmay01/linaro/qemu-for-merges/hw/ide/atapi.c:324 #17 0x0000555556843662 in ahci_start_transfer (dma=<optimised out>) at /home/petmay01/linaro/qemu-for-merges/hw/ide/ahci.c:1318 #18 0x00005555568250cb in ide_atapi_cmd_reply_end (s=<optimised out>) at /home/petmay01/linaro/qemu-for-merges/hw/ide/atapi.c:324 #19 0x0000555556843662 in ahci_start_transfer (dma=<optimised out>) at /home/petmay01/linaro/qemu-for-merges/hw/ide/ahci.c:1318 #20 0x00005555568250cb in ide_atapi_cmd_reply_end (s=<optimised out>) at /home/petmay01/linaro/qemu-for-merges/hw/ide/atapi.c:324 #21 0x0000555556843662 in ahci_start_transfer (dma=<optimised out>) at /home/petmay01/linaro/qemu-for-merges/hw/ide/ahci.c:1318 #22 0x00005555568250cb in ide_atapi_cmd_reply_end (s=<optimised out>) at /home/petmay01/linaro/qemu-for-merges/hw/ide/atapi.c:324 #23 0x0000555556843662 in ahci_start_transfer (dma=<optimised out>) at /home/petmay01/linaro/qemu-for-merges/hw/ide/ahci.c:1318 #24 0x00005555568250cb in ide_atapi_cmd_reply_end (s=<optimised out>) at /home/petmay01/linaro/qemu-for-merges/hw/ide/atapi.c:324 #25 0x0000555556843662 in ahci_start_transfer (dma=<optimised out>) at /home/petmay01/linaro/qemu-for-merges/hw/ide/ahci.c:1318 #26 0x00005555568250cb in ide_atapi_cmd_reply_end (s=<optimised out>) at /home/petmay01/linaro/qemu-for-merges/hw/ide/atapi.c:324 #27 0x0000555556843662 in ahci_start_transfer (dma=<optimised out>) at /home/petmay01/linaro/qemu-for-merges/hw/ide/ahci.c:1318 #28 0x00005555568250cb in ide_atapi_cmd_reply_end (s=<optimised out>) at /home/petmay01/linaro/qemu-for-merges/hw/ide/atapi.c:324 #29 0x0000555556843662 in ahci_start_transfer (dma=<optimised out>) at /home/petmay01/linaro/qemu-for-merges/hw/ide/ahci.c:1318 #30 0x00005555568250cb in ide_atapi_cmd_reply_end (s=<optimised out>) at /home/petmay01/linaro/qemu-for-merges/hw/ide/atapi.c:324 #31 0x0000555556843662 in ahci_start_transfer (dma=<optimised out>) at /home/petmay01/linaro/qemu-for-merges/hw/ide/ahci.c:1318 #32 0x00005555568250cb in ide_atapi_cmd_reply_end (s=<optimised out>) at /home/petmay01/linaro/qemu-for-merges/hw/ide/atapi.c:324 #33 0x0000555556843662 in ahci_start_transfer (dma=<optimised out>) at /home/petmay01/linaro/qemu-for-merges/hw/ide/ahci.c:1318 #34 0x00005555568250cb in ide_atapi_cmd_reply_end (s=<optimised out>) at /home/petmay01/linaro/qemu-for-merges/hw/ide/atapi.c:324 #35 0x0000555556843662 in ahci_start_transfer (dma=<optimised out>) at /home/petmay01/linaro/qemu-for-merges/hw/ide/ahci.c:1318 #36 0x00005555568250cb in ide_atapi_cmd_reply_end (s=<optimised out>) at /home/petmay01/linaro/qemu-for-merges/hw/ide/atapi.c:324 #37 0x0000555556843662 in ahci_start_transfer (dma=<optimised out>) at /home/petmay01/linaro/qemu-for-merges/hw/ide/ahci.c:1318 #38 0x00005555568250cb in ide_atapi_cmd_reply_end (s=<optimised out>) at /home/petmay01/linaro/qemu-for-merges/hw/ide/atapi.c:324 #39 0x0000555556843662 in ahci_start_transfer (dma=<optimised out>) at /home/petmay01/linaro/qemu-for-merges/hw/ide/ahci.c:1318 #40 0x00005555568250cb in ide_atapi_cmd_reply_end (s=<optimised out>) at /home/petmay01/linaro/qemu-for-merges/hw/ide/atapi.c:324 #41 0x0000555556843662 in ahci_start_transfer (dma=<optimised out>) at /home/petmay01/linaro/qemu-for-merges/hw/ide/ahci.c:1318 [skip a lot of repeated stack frames] #393 0x0000555556843662 in ahci_start_transfer (dma=<optimised out>) at /home/petmay01/linaro/qemu-for-merges/hw/ide/ahci.c:1318 #394 0x00005555568250cb in ide_atapi_cmd_reply_end (s=<optimised out>) at /home/petmay01/linaro/qemu-for-merges/hw/ide/atapi.c:324 #395 0x0000555556843662 in ahci_start_transfer (dma=<optimised out>) at /home/petmay01/linaro/qemu-for-merges/hw/ide/ahci.c:1318 #396 0x00005555568250cb in ide_atapi_cmd_reply_end (s=<optimised out>) at /home/petmay01/linaro/qemu-for-merges/hw/ide/atapi.c:324 #397 0x0000555556843662 in ahci_start_transfer (dma=<optimised out>) at /home/petmay01/linaro/qemu-for-merges/hw/ide/ahci.c:1318 #398 0x00005555568250cb in ide_atapi_cmd_reply_end (s=<optimised out>) at /home/petmay01/linaro/qemu-for-merges/hw/ide/atapi.c:324 #399 0x0000555556843662 in ahci_start_transfer (dma=<optimised out>) at /home/petmay01/linaro/qemu-for-merges/hw/ide/ahci.c:1318 #400 0x00005555568250cb in ide_atapi_cmd_reply_end (s=<optimised out>) at /home/petmay01/linaro/qemu-for-merges/hw/ide/atapi.c:324 #401 0x0000555556843662 in ahci_start_transfer (dma=<optimised out>) at /home/petmay01/linaro/qemu-for-merges/hw/ide/ahci.c:1318 #402 0x00005555568250cb in ide_atapi_cmd_reply_end (s=<optimised out>) at /home/petmay01/linaro/qemu-for-merges/hw/ide/atapi.c:324 #403 0x0000555556843662 in ahci_start_transfer (dma=<optimised out>) at /home/petmay01/linaro/qemu-for-merges/hw/ide/ahci.c:1318 #404 0x00005555568250cb in ide_atapi_cmd_reply_end (s=<optimised out>) at /home/petmay01/linaro/qemu-for-merges/hw/ide/atapi.c:324 #405 0x0000555556809cfc in ide_buffered_readv_cb (opaque=0x5555594f57e0, ret=<optimised out>) at /home/petmay01/linaro/qemu-for-merges/hw/ide/core.c:605 #406 0x0000555556df7f73 in blk_aio_complete (acb=0x55555a4387c0) at /home/petmay01/linaro/qemu-for-merges/block/block-backend.c:943 #407 0x0000555556f676f1 in coroutine_trampoline (i0=<optimised out>, i1=<optimised out>) at /home/petmay01/linaro/qemu-for-merges/util/coroutine-ucontext.c:79 #408 0x00007fffdca05590 in __start_context () at /lib/x86_64-linux-gnu/libc.so.6 #409 0x00007fffffffc318 in () #410 0x0000000000000000 in () thanks -- PMM