Re: [Xen-users] xen4.6.0-rc1 null pointer dereference when starting device model

[Ian Campbell <ian.campbell@xxxxxxxxxx>]

On Tue, 2015-08-25 at 21:57 -0400, Mdasoh Kyappd wrote:
> 18:42 < klys> so I compiled xen 4.6 from the git snapshot yesterday
> 18:50 < klys> # xl create /etc/xen/dos3.cfg
> 18:51 < klys> Parsing config from /l1/etc/xen/dos3.cfg
> 18:51 < klys> Segmentation fault
> 18:51 < klys> and then I get my prompt back
> 18:51 < klys> so I did strace on it
> 18:51 < klys> connect(13, {sa_family=AF_FILE, path="/var/run/xen/qmp
> -libxl-42"}, 110) =
>               0
> 18:51 < klys> select(14, [13], NULL, NULL, {5, 0})    = 1 (in [13], left 
> {4, 999771})
> 18:51 < klys> read(13, "{\"QMP\": {\"version\": {\"qemu\": {\"m"..., 
> 4096) = 105
> 18:51 < klys> --- SIGSEGV (Segmentation fault) @ 0 (0) ---
> 18:51 < klys> +++ killed by SIGSEGV +++
> 18:51 < danieldg> gdb is probably better than strace here

danieldg is correct, what we really need is a stack trace from gdb rather
than an strace please.

Ian.


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