public inbox for linux-rdma@vger.kernel.org
 help / color / mirror / Atom feed
* Re: Fw: general protection fault
       [not found] ` <201003181055542343477-6gUaA8visnnQT0dZR+AlfA@public.gmane.org>
@ 2010-03-18 14:07   ` Steve Wise
  0 siblings, 0 replies; only message in thread
From: Steve Wise @ 2010-03-18 14:07 UTC (permalink / raw)
  To: lihaidong; +Cc: linux-rdma

Without more info, I cannot help much. Are you calling it in a save
context? You probably cannot call it from an interrupt context. Was
there a stack trace?



lihaidong wrote:
> Hi, Steve
> Could you help me with this case.
> The server has 16GB memory,linux-2.6.29, OFED-1.5
> When using ib_dma_map_single, it report GFP error. I saw that krping
> use dma_map_single directly.
> >Hi:
> >Sorry to bother you.
> >I don't know who you are, I saw you email address in linux-rdma mail
> archive since I met the same problem as you met in July, 3th, 2009.
> >Just like your email said
> >"when I am trying to map allocated memory for DMA, I get GPF:
> >general protection fault: 0000 [1] SMP
> >.
> >.
> >.
> >"
> >I saw no comments on your email. So Did you get over this problem? If
> so, could you give me some tips , please?
> >
> >Thanks.
> >
> 2010-03-17
> ------------------------------------------------------------------------
> lihaidong

--
To unsubscribe from this list: send the line "unsubscribe linux-rdma" in
the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html

^ permalink raw reply	[flat|nested] only message in thread

only message in thread, other threads:[~2010-03-18 14:07 UTC | newest]

Thread overview: (only message) (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
     [not found] <201003181055542343477@inspur.com>
     [not found] ` <201003181055542343477-6gUaA8visnnQT0dZR+AlfA@public.gmane.org>
2010-03-18 14:07   ` Fw: general protection fault Steve Wise

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox