On Tue, Aug 18, 2015 at 12:10:25PM +0200, Jiri Olsa wrote:
> buuuuuut anyway, it looks like latest AMD firmware issue:
>
> [root@amd-pike-07 ~]# cat /sys/devices/system/cpu/cpu0/microcode/version
> 0x6000822
> [root@amd-pike-07 perf]# ./perf test 18
> 18: Test breakpoint overflow signal handler : Ok
>
> [root@amd-pike-07 perf]# cat /sys/devices/system/cpu/cpu0/microcode/version
> 0x6000832
> [root@amd-pike-07 perf]# ./perf test 18
> 18: Test breakpoint overflow signal handler : FAILED!
>
>
> [root@amd-pike-07 ~]# cat /proc/cpuinfo
> processor : 7
> vendor_id : AuthenticAMD
> cpu family : 21
> model : 2
> model name : AMD Opteron(tm) Processor 3380
> stepping : 0
> microcode : 0x6000832
>
> SNIP
Whoops.
Can you please confirm with your debugging code that with version
0x6000822 EFLAGS.RF is set and with 0x6000832 it isn't when running the
aforementioned test?
Thanks.
--
Regards/Gruss,
Boris.
ECO tip #101: Trim your mails when you reply.
SUSE Linux GmbH, GF: Felix Imendörffer, Jane Smithard, Graham Norton, HRB 21284
(AG Nürnberg)
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