On Mon, 2006-07-17 at 18:46 -0700, Andrew Morton wrote: > If the kernel has 6GB, I directly get error messages like: > SCSI device sda: 143299800 512-byte hdwr sectors (73369 MB) > sda: Write Protect is off > sda: got wrong page > sda: assuming drive cache: write through > SCSI device sda: 143299800 512-byte hdwr sectors (73369 MB) > sda: Write Protect is off > sda: got wrong page > > The disk array controller is of type GDT8114RZ and has the most current > firmware version. The box has 4 Xeon CPUs, and physical 6 GB of memory. > The /-device is on the controller in question. > > The full log (for 4 and for 6 GB) is put up on > http://neualius.turmzimmer.net/~aba/6GB My strongest suspicion here is that the device is lying when it claims to support 64 bit DMA. Can you try this? It will turn off 64 bit DMA and only allow 32 bit DMA on your 6GB platform. If that works, we'll beed help from the gdth people to understand the issue. Thanks, James diff --git a/drivers/scsi/gdth.c b/drivers/scsi/gdth.c index 43afd47..83cf3ca 100644 --- a/drivers/scsi/gdth.c +++ b/drivers/scsi/gdth.c @@ -1543,7 +1543,7 @@ static int __init gdth_init_pci(gdth_pci if (prot_ver < 0x2b) /* FW < x.43: no 64-bit DMA support */ ha->dma64_support = 0; else - ha->dma64_support = 1; + ha->dma64_support = 0; } return 1; - : send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
