Jay Cliburn wrote: >> The common factor here seems to be the buffer_head circular list >> leading to invalid pointers in bh->b_this_page. >> >> I'm beginning to suspect the Attansic L1 Gigabit Etherner driver >> (marked as EXPERIMENTAL in 2.6.22-rc5). I can't reproduce these >> panics on disk-to-disk copies or SCP across the localhost interface. >> However, SCP from a server onto either of two different HDDs hits >> these oopses fairly quickly.
> How much RAM is installed in your machine? If it's 4GB or more, does > your problem go away if you boot with mem=3000M? Intriguing. Yes, this machine has 4GB of RAM. If I boot with mem=3000M the problem does indeed go away - I can't induce an oops even after transferring tens of GB across the interface. I'm not sure I follow why that would be the case, except that it relates to pci_map_page behaviour. But I guess you have an inkling? -- Jay L. T. Cornwall, http://www.esuna.co.uk/~jay/ PhD Student Imperial College London - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
