Re: LIO stops responding

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Ok,

I have a small iscsi/scsi test tool as part of :
https://github.com/sahlberg/libiscsi

One of the new tests seems to make Fedora 17 LIO unhappy.
Unhappy enough to stop responding completely and not allowing any
further logins.


This is how to run the test tool/reproducer :

./bin/iscsi-test --test="*0401*"
iscsi://10.9.0.2/iqn.2003-01.org.linux-iscsi.fedora17.x8664:sn.84052e857f74/0

The 0401 test is a test for different sizes of alloc-len for the
inquiry command.
In this case it is the case where an inquiry is set to the target with
an alloc-len of zero that lio does not like.

The test case will "hang" so you will have to terminate it with CTRL-C.
After this you can no longer login to the target again. I have to
reboot the box to recover and allow logins to work again.


BTW.  the test tool does contain a reasonable set of tests so please
feel free to try other tests too.

./bin/iscsi-test --list     for a lot of all major tests
and
./bin/iscsi-test --list --info     for a list that also includes all subtests



regards
ronnie sahlberg


On Wed, Sep 19, 2012 at 7:08 PM, Roland Dreier <roland@xxxxxxxxxxxxxxx> wrote:
> On Wed, Sep 19, 2012 at 7:03 PM, ronnie sahlberg
> <ronniesahlberg@xxxxxxxxx> wrote:
>> Do you have a separate email address where I can report crash or dos issues ?
>
> Just use target-devel -- that reaches the set of LIO developers,
> exactly the set of people who would be able to help fix a crash.
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