From: Steve Wise <swise-7bPotxP6k4+P2YhJcF5u+vpXobYPEAuW@public.gmane.org>
To: lihaidong <lihaidong-6gUaA8visnnQT0dZR+AlfA@public.gmane.org>
Cc: linux-rdma <linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>
Subject: Re: Fw: general protection fault
Date: Thu, 18 Mar 2010 09:07:03 -0500 [thread overview]
Message-ID: <4BA23387.80609@opengridcomputing.com> (raw)
In-Reply-To: <201003181055542343477-6gUaA8visnnQT0dZR+AlfA@public.gmane.org>
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
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parent reply other threads:[~2010-03-18 14:07 UTC|newest]
Thread overview: expand[flat|nested] mbox.gz Atom feed
[parent not found: <201003181055542343477-6gUaA8visnnQT0dZR+AlfA@public.gmane.org>]
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