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general protection fault

DISCUSSION Steve Wise 1 participant 1 message Mar 18, 2010 2 messages not in the archive InfiniBand

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A message that is not in the archive (sent off-list or not yet received): [email protected]

A message that is not in the archive (sent off-list or not yet received): [email protected]

Steve Wise

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#2 lore raw

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?

Quoted 17 lines · lihaidong

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.

Quoted 3 lines

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.

Quoted 8 lines

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

Quoted 7 lines

so, could you give me some tips , please?

Quoted 3 lines

Thanks.

2010-03-17
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lihaidong

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