[Lustre-discuss] mdt kernel panic

[wangdi]

On 06/19/2011 11:47 PM, Ekaterina Popova wrote:
> Hello!
> We've got MDT+2OSTS (Lustre 2.0.0). Today our MDT server suddenly broke.
> We saw - Kernel panic ...
> Last record in logs are :
> ...
> Jun 20 07:58:15 fs0001 kernel: Lustre:
> 27315:0:(sec_gss.c:346:cli_ctx_expire())
> ctx ffff810039e07780(0->c) get expired: 1308476346(-65949s)
> Jun 20 07:58:15 fs0001 kernel: Lustre:
> 27315:0:(sec.c:461:sptlrpc_req_ctx_switch
> ()) req ffff810038f63800: switch ctx ffff810039e07780(0->c) ->
> ffff8100a9db1980(
> 0->c), switch sec ffff81003656edc0(gss.keyring) ->
> ffff81003656edc0(gss.keyring)
Hmm, are you using gss(kerbeors) on lustre? I do not think GSS on lustre 
is officially supported on 2.0 yet.

Thanks
WangDi
> Jun 20 07:58:15 fs0001 kernel: Lustre:
> 27315:0:(sec_gss.c:1253:gss_cli_ctx_fini_
> common()) reverse sec ffff81003656edc0: destroy ctx ffff810039e07780
> Jun 20 08:32:24 fs0001 kernel: Lustre:
> 2978:0:(gss_keyring.c:956:gss_sec_gc_ctx_
> kr()) running gc
> Jun 20 09:05:24 fs0001 kernel: Lustre:
> 27239:0:(sec_gss.c:346:cli_ctx_expire())
> ctx ffff81007ee0a0c0(0->lihep-MDT0000_UUID) get expired: 1308546323(-1s)
> Jun 20 09:05:24 fs0001 kernel: LustreError:
> 27239:0:(sec.c:452:sptlrpc_req_ctx_switch()) ASSERTION(req->rq_reqmsg)
> failed
>
> Could you say, please, what's the problem and where to dig to understand
> the reason of this problem?
>
> With regards,
> Ekaterina Popova
>
>
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