[ofa-general] local QP operation error after long run

Tang, Changqing changquing.tang at hp.com
Thu Aug 30 06:17:54 PDT 2007


HI,
	I have an ISV application running for nearly three hours, and
then it has following error from libibverbs.so:

local QP operation err (QPN 440446, WQE @ 00000103, CQN 10008c, index
236192)
  [ 0] 00440446
  [ 4] 00000000
  [ 8] 00000000
  [ c] 00000000
  [10] 026f0000
  [14] 00000000
  [18] 00000103
  [1c] ff100000

local QP operation err (QPN 440442, WQE @ 00000103, CQN 10008c, index
236193)
  [ 0] 00440442
  [ 4] 00000000
  [ 8] 00000000
  [ c] 00000000
  [10] 026f0000
  [14] 00000000
  [18] 00000103
  [1c] ff100000 

Can you guys indicate what the possible reason is ? this is an OFED 1.1
system. Could it be a memory corruption ?

Thanks
--CQ, HP-MPI



> -----Original Message-----
> From: general-bounces at lists.openfabrics.org 
> [mailto:general-bounces at lists.openfabrics.org] On Behalf Of 
> Roland Dreier
> Sent: Wednesday, August 29, 2007 9:50 PM
> To: Sasha Khapyorsky
> Cc: general at lists.openfabrics.org
> Subject: Re: [ofa-general] ib_umad method mask problems on 
> big-endian 64-bitarchs
> 
>  > It looks that using uint32_t for addr in set_bit() 
> function is sufficient  > fix. But for ppc64 this means that 
> new OpenSM will break with old  > kernels, probably we will 
> need to put some ugly #ifdef in  > osm_vendor_ibumad.c...
> 
> Yes, that's a pain.  Another possibility is to declare that 
> the declaration of the registration request should have been
> 
> 	long	method_mask[16 / sizeof (long)];
> 
> and just add a compat_ioctl method to the ib_umad module to 
> handle the broken case of 32-bit big endian userspace on a 
> 64-bit kernel.
> However that breaks 64-bit big endian userspace that followed 
> the old ib_user_mad.h file correctly so overall I'm leaning 
> towards the patch I already posted.
> 
> What do you think?
> 
>  - R.
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