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Re: [Xen-devel] [BUG] gdbsx crashes Xen



On 11/02/16 16:25, Carl Patenaude Poulin wrote:
Hey folks,

With gdbsx running, Running `gdb -ex "target remote localhost:9999"
crashes Xen and reboots the server.



Top line of `xl dmesg`:

    Xen version 4.6.0 (root@xxxxxxxxxxxx) (gcc (Ubuntu 5.2.1-22ubuntu2) 5.2.1 20151010) debug=y Mon Dec 28 21:34:16 EST 2015

Output of `lsb_release -a`:

    No LSB modules are available.
    Distributor ID: Ubuntu
    Description:    Ubuntu 15.10
    Release:        15.10
    Codename:       wily

I can provide more information if you tell me what to look for. Also,
I would LOVE a work-around.

At the very minimum, you need to set up a serial console and capture the panic log.

Are you on Broadwell hardware by any chance?  I fixed a SMAP violation in that hypercall a little while ago.

~Andrew
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