Re: Kernel crash with target-pending/for-next

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On Thu, 2017-06-22 at 14:14 -0700, Bart Van Assche wrote:
> On 06/08/17 22:34, Nicholas A. Bellinger wrote:
> > On Tue, 2017-06-06 at 18:42 +0000, Bart Van Assche wrote:
> >> On Fri, 2017-06-02 at 21:19 -0700, Nicholas A. Bellinger wrote:
> >>> Can I have a look at the full debug with the missing
> >>> srpt_close_sessions() messages to see if it's being called twice for the
> >>> same se_session, and the code changes against v4.12-rc3 you're testing
> >>> with that account for the ~50 lines offset..?
> >>
> >> Hello Nic,
> >>
> >> I should have mentioned that I had also merged my branch with pending ib_srpt
> >> patches in the kernel tree that I used in my test. Since these patches are
> >> almost six months old, have not caused trouble before and are not related to
> >> session shutdown I don't think these patches are related to this crash. Anyway,
> >> I have attached these patches to this e-mail.
> >>
> >> It's probably easier for you if you can reproduce the reported crash yourself
> >> instead of having to rely on me for testing?
> > 
> > Heh, no.
> > 
> > You are the ib_srpt maintainer, so I'm going to rely on you exactly for
> > that.  :)
> 
> Please do not expect that I will do that. Anyone (you in this case) who
> wants to change something in the target core is responsible for making
> sure that such a change does not break any existing target driver.
> 

That is unfortunate.

However, keep in mind this is a regression, so it would at least be nice
if you would take to time to figure out why a patch that doesn't change
actual logic is causing ib_srpt problems, as it might be indicative of a
deeper issue.

In any event, I'll drop this patch for -rc1 and just add a separate
function specific to se_node_acl->queue_depth change that doesn't effect
any other code.

Thanks for the heads up.

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