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Ian,

Thanks for the reply.

coredumpctl gbd PID_OF_PROCESS printed the following:

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Reading symbols from /usr/lib/xen/bin/qemu-system-i386...done.

warning: core file may not match specified executable file.

[New LWP 10134]

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warning: Could not load shared library symbols for linux-vdso.so.1.

Do you need "set solib-search-path" or "set sysroot"?

[Thread debugging using libthread_db enabled]

Using host libthread_db library "/usr/lib/libthread_db.so.1".

Core was generated by `/usr/lib/xen/bin/qemu-system-i386 -xen-domid 11 -chardev socket,id=libxl-cmd,pa'.

Program terminated with signal SIGBUS, Bus error.

#0 0x000055b276a618fd in blk_handle_requests (blkdev=0x55b277c49ab0)

at /home/xafucs/xen/src/xen-4.5.1/tools/qemu-xen/hw/block/xen_disk.c:699

699 rp = blkdev->rings.common.sring->req_prod;

[Current thread is 1 (Thread 0x7f68ed0909c0 (LWP 10134))]

(gdb) bt

#0 0x000055b276a618fd in blk_handle_requests (blkdev=0x55b277c49ab0) at /home/xafucs/xen/src/xen-4.5.1/tools/qemu-xen/hw/block/xen_disk.c:699

#1 blk_bh (opaque=0x55b277c49ab0) at /home/xafucs/xen/src/xen-4.5.1/tools/qemu-xen/hw/block/xen_disk.c:738

#2 0x000055b2769e62d3 in aio_bh_poll (ctx=ctx@entry=0x55b277c34600) at /home/xafucs/xen/src/xen-4.5.1/tools/qemu-xen/async.c:81

#3 0x000055b2769e5efc in aio_poll (ctx=0x55b277c34600, blocking=blocking@entry=false) at /home/xafucs/xen/src/xen-4.5.1/tools/qemu-xen/aio-posix.c:188

#4 0x000055b2769e6103 in aio_ctx_dispatch (source=<optimized out>, callback=<optimized out>, user_data=<optimized out>)

at /home/xafucs/xen/src/xen-4.5.1/tools/qemu-xen/async.c:211

#5 0x00007f68ebf98dc7 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0

#6 0x000055b276b066b1 in glib_pollfds_poll () at /home/xafucs/xen/src/xen-4.5.1/tools/qemu-xen/main-loop.c:190

#7 os_host_main_loop_wait (timeout=<optimized out>) at /home/xafucs/xen/src/xen-4.5.1/tools/qemu-xen/main-loop.c:235

#8 main_loop_wait (nonblocking=<optimized out>) at /home/xafucs/xen/src/xen-4.5.1/tools/qemu-xen/main-loop.c:484

#9 0x000055b276b77e09 in main_loop () at /home/xafucs/xen/src/xen-4.5.1/tools/qemu-xen/vl.c:2056

#10 main (argc=<optimized out>, argv=<optimized out>, envp=<optimized out>) at /home/xafucs/xen/src/xen-4.5.1/tools/qemu-xen/vl.c:4535

(gdb) thread 1

[Switching to thread 1 (Thread 0x7f68ed0909c0 (LWP 10134))]

#0 0x000055b276a618fd in blk_handle_requests (blkdev=0x55b277c49ab0) at /home/xafucs/xen/src/xen-4.5.1/tools/qemu-xen/hw/block/xen_disk.c:699

699 rp = blkdev->rings.common.sring->req_prod;

Re: [Xen-users] Crashes on image file backed VMs