Re: "WRITE SAME failed. Manually zeroing" with 3w-xxxx driver

From: Florian Westphal
Date: Mon Apr 29 2013 - 12:29:15 EST

Martin K. Petersen <martin.petersen@xxxxxxxxxx> wrote:
> Florian> After update to 3.8 dmesg is spammed with: kernel: [
> Florian> 280.272094] 3w-xxxx: scsi8: Unknown scsi opcode: 0x41 kernel: [
> Florian> 280.272107] sd 8:0:0:0: [sda] Unhandled error code kernel:
> Interesting. It looks like the 3ware handles this at the driver level
> instead of passing the command through to the disk and letting it
> fail. That in turn means that the logic we have in place to disable WS
> when the disk does not support it does not get triggered.
> The driver should really fill out the sense buffer in that case.
> Could you please test the patch below?

Sure, I'll report back tomorrow.

Thanks for the quick response,
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