Kernel did not fail after your patch. It has thrown an error
> Device offlined - not ready after error recovery
And than device disappeared. Thank you!
2014-11-20 0:25 GMT+03:00 Alan Stern <stern@xxxxxxxxxxxxxxxxxxx>:
> On Wed, 19 Nov 2014, Alan Stern wrote:
>
>> On Wed, 19 Nov 2014, Андрей Аладьев wrote:
>>
>> > I've tested with 3.18-rc5. It looks the same.
>>
>> I was able to duplicate the problem in 3.18-rc5. Give me some time to
>> investigate it, and I'll get back to you.
>
> The patch below fixed the problem on my machine. Does it prevent all
> those errors on your system? It corrects a bug that was introduced by
> commit ac61d1955934.
>
> Alan Stern
>
>
>
> Index: 3.18-rc5/drivers/scsi/scsi_error.c
> ===================================================================
> --- 3.18-rc5.orig/drivers/scsi/scsi_error.c
> +++ 3.18-rc5/drivers/scsi/scsi_error.c
> @@ -1027,7 +1027,7 @@ retry:
> }
> /* signal not to enter either branch of the if () below */
> timeleft = 0;
> - rtn = NEEDS_RETRY;
> + rtn = FAILED;
> } else {
> timeleft = wait_for_completion_timeout(&done, timeout);
> rtn = SUCCESS;
> @@ -1067,7 +1067,7 @@ retry:
> rtn = FAILED;
> break;
> }
> - } else if (!rtn) {
> + } else if (rtn != FAILED) {
> scsi_abort_eh_cmnd(scmd);
> rtn = FAILED;
> }
>
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