Re: [RFC] Clear out stuck ops to prevent iSER from going init D state

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On Sun, Jan 29, 2017 at 12:42 AM, Sagi Grimberg <sagi@xxxxxxxxxxx> wrote:
>> OK, I'm using commit bb3d5f95f46dfe19554820dbce620d31504dafb2 from the
>> bvanassche/scsi-target-for-v4.11 tree. I've exported the target with
>> InitialR2T=No
>
>
> Hey Robert, InitialR2T=No means that you are using UnsolicitedDataOut, I
> recommend to not use it.

This doesn't seem to make a difference in regards to hitting the bug,
but I'll set it back to on for all other tests.

>  then I ran
>>
>> echo 4 > /sys/module/ib_isert/parameters/debug_level
>> echo "file target_core_transport.c +p" >
>> /sys/kernel/debug/dynamic_debug/control
>>
>> but it seems there is no new information during the period of the hang.
>
>
> IIRC, pr_debug are not directed to the journal by default, can you
> please check dmesg output?

The first output (without the dates) is from dmesg, the second output
is from journal.

----------------
Robert LeBlanc
PGP Fingerprint 79A2 9CA4 6CC4 45DD A904  C70E E654 3BB2 FA62 B9F1
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