[ClusterLabs] lrmd segfault

[Kristoffer Grönlund]

alexey at kurnosov.spb.ru writes:

> [ Unknown signature status ]
>
> Hi All.
>
> We have the heterogeneous corosync/pacemaker cluster of 5 nodes: 3 SL7(Scientific linux) and 2 SL6.
> SL7 pacemaker installed from a standard repo (corosync - 2.3.4, pacemaker - 1.1.13-10), SL6 build from sources (same version).
> The cluster not unified, some nodes have RA which other do not have. crmsh used for management.
> SL6 nodes runs surprisingly smoothly, but SL7 steady segfaulting in the exactly same place.
> Here is an example:
>

Just from looking at the core dump, it looks like your processor doesn't
support the SSE extensions used by the newer version of the code. You'll
need to recompile and disable use of those extensions.

It looks like the code is using SSE 4.2, which is relatively new:

https://en.wikipedia.org/wiki/SSE4#SSE4.2

Cheers,
Kristoffer

> Core was generated by `/usr/libexec/pacemaker/lrmd'.
> Program terminated with signal 11, Segmentation fault.
> #0  __strcasecmp_l_sse42 () at ../sysdeps/x86_64/multiarch/strcmp-sse42.S:164
> 164             movdqu  (%rdi), %xmm1
> (gdb) bt
> #0  __strcasecmp_l_sse42 () at ../sysdeps/x86_64/multiarch/strcmp-sse42.S:164
> #1  0x00007fed076136dc in crm_str_eq (a=<optimized out>, b=b at entry=0xed7070 "DRBD_D16", use_case=use_case at entry=0) at utils.c:1416
> #2  0x00007fed073eaafa in is_op_blocked (rsc=0xed7070 "DRBD_D16") at services.c:644
> #3  0x00007fed073eac1d in services_action_async (op=0xed58e0, action_callback=<optimized out>) at services.c:625
> #4  0x0000000000404e4a in lrmd_rsc_execute_service_lib (cmd=0xed9e10, rsc=0xed4500) at lrmd.c:1242
> #5  lrmd_rsc_execute (rsc=0xed4500) at lrmd.c:1308
> #6  lrmd_rsc_dispatch (user_data=0xed4500, user_data at entry=<error reading variable: value has been optimized out>) at lrmd.c:1317
> #7  0x00007fed07634c73 in crm_trigger_dispatch (source=0xed54c0, callback=<optimized out>, userdata=<optimized out>) at mainloop.c:107
> #8  0x00007fed055cb7aa in g_main_dispatch (context=0xeb4d40) at gmain.c:3109
> #9  g_main_context_dispatch (context=context at entry=0xeb4d40) at gmain.c:3708
> #10 0x00007fed055cbaf8 in g_main_context_iterate (context=0xeb4d40, block=block at entry=1, dispatch=dispatch at entry=1, self=<optimized out>) at gmain.c:3779
> #11 0x00007fed055cbdca in g_main_loop_run (loop=0xe96510) at gmain.c:3973
> #12 0x00000000004028ce in main (argc=<optimized out>, argv=0x7ffe9b3b0fd8) at main.c:476
>
> Any help would be appreciated.
>
> --
> Alexey Kurnosov
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-- 
// Kristoffer Grönlund
// kgronlund at suse.com