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
--
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
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>]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=4BA23387.80609@opengridcomputing.com \
--to=swise-7bpotxp6k4+p2yhjcf5u+vpxobypeauw@public.gmane.org \
--cc=lihaidong-6gUaA8visnnQT0dZR+AlfA@public.gmane.org \
--cc=linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.