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 [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
