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Re: [Qemu-devel] 9pfs is broken in 2.5 (SIGSEGV) (bisected)
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From: |
Michael Tokarev |
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Subject: |
Re: [Qemu-devel] 9pfs is broken in 2.5 (SIGSEGV) (bisected) |
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Date: |
Sat, 19 Dec 2015 11:15:11 +0300 |
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User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Icedove/38.4.0 |
19.12.2015 11:05, Michael Tokarev wrote:
> commit ebac1202c95a4f1b76b6ef3f0f63926fa76e753e
> Author: Paolo Bonzini <address@hidden>
> Date: Fri Nov 27 12:43:06 2015 +0100
> virtio-9p: use QEMU thread pool
Program received signal SIGSEGV, Segmentation fault.
thread_pool_submit_aio (pool=0x0, func=0x55555580f6a0 <coroutine_enter_func>,
arg=0x555557698870, cb=<optimized out>,
opaque=<optimized out>) at /build/kvm/git/thread-pool.c:246
246 QLIST_INSERT_HEAD(&pool->head, req, all);
(gdb) bt
#0 thread_pool_submit_aio (pool=0x0, func=0x55555580f6a0
<coroutine_enter_func>, arg=0x555557698870, cb=<optimized out>,
opaque=<optimized out>) at /build/kvm/git/thread-pool.c:246
#1 0x000055555592c9ed in aio_bh_call (bh=<optimized out>) at
/build/kvm/git/async.c:64
#2 aio_bh_poll (address@hidden) at /build/kvm/git/async.c:92
#3 0x0000555555939390 in aio_dispatch (ctx=0x5555563c9360) at
/build/kvm/git/aio-posix.c:305
#4 0x000055555592c7de in aio_ctx_dispatch (source=<optimized out>,
callback=<optimized out>, user_data=<optimized out>)
at /build/kvm/git/async.c:231
#5 0x00007ffff49d1c5d in g_main_context_dispatch () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#6 0x0000555555937cf8 in glib_pollfds_poll () at /build/kvm/git/main-loop.c:211
#7 os_host_main_loop_wait (timeout=<optimized out>) at
/build/kvm/git/main-loop.c:256
#8 main_loop_wait (nonblocking=<optimized out>) at
/build/kvm/git/main-loop.c:504
#9 0x00005555556dbe3e in main_loop () at /build/kvm/git/vl.c:1923
#10 main (argc=<optimized out>, argv=<optimized out>, envp=<optimized out>) at
/build/kvm/git/vl.c:4684
(gdb) p pool
$2 = (ThreadPool *) 0x0
Woops.
/mjt