[openib-general] problem report: uninterruptible sleep in ib_uverbs

[Roland Dreier]

    Michael> Hi!  With recent git code, an application that allocated
    Michael> a huge number of PDs got blocked during cleanup.  Here's
    Michael> part of the sysrq dump:

Hmm, I'll take a look.

With sufficient mutex debugging options turned on, you should get a
list of who is holding which locks from sysrq-t, which would be
helpful info.

 - R.