>>>>>This looks preyyu much like a breakage because we're now always sending >>>>>S/G list down the scsi layer. >>>>> >>>>>The patch below brings over code to handle that case from the megaraid_mbox >>>>>driver. It's still wrong for the case someone sends a MODE_SENSE from >>>>>highmem userspace, but it should at least boot with the patch applied. >>>>> >>>> >>>> >>>>Jack, have you had a chance to test this? >>>> >>>>Thanks. >>>> >>> >>>Sorry, I spent the weekend whitewater rafting :) I will be able to test >>>this patch on Wednesday. Which kernel versions should I apply this patch to? >> >> >>I did it against the at that time latest scsi-misc tree. The old megaraid >>driver hasn'tt changed much for a long time so it should apply against >>any recent-ish tree. >> >> > > > I tried the patch on a 2.6.13-mm1 tree. It applied cleanly, but produced > a few compiler warnings: > > > /usr/src/linux-2.6.13-mm1/drivers/scsi/megaraid.c: In function `issue_scb': > /usr/src/linux-2.6.13-mm1/drivers/scsi/megaraid.c:1143: warning: passing > arg 2 of `writel' makes pointer from integer without a cast > /usr/src/linux-2.6.13-mm1/drivers/scsi/megaraid.c: In function > `issue_scb_block': > /usr/src/linux-2.6.13-mm1/drivers/scsi/megaraid.c:1206: warning: passing > arg 2 of `writel' makes pointer from integer without a cast > /usr/src/linux-2.6.13-mm1/drivers/scsi/megaraid.c:1219: warning: passing > arg 2 of `writel' makes pointer from integer without a cast > /usr/src/linux-2.6.13-mm1/drivers/scsi/megaraid.c:1221: warning: passing > arg 1 of `readl' makes pointer from integer without a cast > /usr/src/linux-2.6.13-mm1/drivers/scsi/megaraid.c: In function > `megaraid_isr_memmapped': > /usr/src/linux-2.6.13-mm1/drivers/scsi/megaraid.c:1351: warning: passing > arg 1 of `readl' makes pointer from integer without a cast > /usr/src/linux-2.6.13-mm1/drivers/scsi/megaraid.c:1358: warning: passing > arg 2 of `writel' makes pointer from integer without a cast > /usr/src/linux-2.6.13-mm1/drivers/scsi/megaraid.c:1377: warning: passing > arg 2 of `writel' makes pointer from integer without a cast > /usr/src/linux-2.6.13-mm1/drivers/scsi/megaraid.c:1381: warning: passing > arg 1 of `readl' makes pointer from integer without a cast > > Booting the kernel resulted in the same symptoms as before (can not > mount root fs). > I have also tested the 2-6-14-rc1 and I have the same bug. - : 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
