subject:"\[Bug 209428\] if_vtnet\(4\) panics when doing kldunload if

[Bug 209428] if_vtnet(4) panics when doing kldunload if_vtnet

2016-05-14 Thread bugzilla-noreply

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=209428 Roman Bogorodskiy changed: What|Removed |Added Status|New |In Progress

[Bug 209428] if_vtnet(4) panics when doing kldunload if_vtnet

2016-05-14 Thread bugzilla-noreply

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=209428 --- Comment #16 from commit-h...@freebsd.org --- A commit references this bug: Author: kp Date: Sat May 14 06:07:15 UTC 2016 New revision: 299725 URL: https://svnweb.freebsd.org/changeset/base/299725 Log: vtnet: fix panic on unload

[Bug 209428] if_vtnet(4) panics when doing kldunload if_vtnet

2016-05-12 Thread bugzilla-noreply

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=209428 Roman Bogorodskiy changed: What|Removed |Added Attachment #170229|0 |1

[Bug 209428] if_vtnet(4) panics when doing kldunload if_vtnet

2016-05-12 Thread bugzilla-noreply

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=209428 --- Comment #11 from Kristof Provost --- I *think* cxgbe is wrong (or overly cautious). I'd propose doing it without the mutex in vtnet. You're not going to make things any worse than the currently are by not adding it.

[Bug 209428] if_vtnet(4) panics when doing kldunload if_vtnet

2016-05-12 Thread bugzilla-noreply

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=209428 --- Comment #13 from Kristof Provost --- Hmm, can you verify that uma_zdestroy() still gets called? I think the order is MOD_LOAD on load, but an unload first gets MOD_QUIESCE and then MOD_UNLOAD. That'd mean we do

[Bug 209428] if_vtnet(4) panics when doing kldunload if_vtnet

2016-05-12 Thread bugzilla-noreply

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=209428 --- Comment #10 from Roman Bogorodskiy --- (In reply to Kristof Provost from comment #9) Ah, I think that's right: https://svnweb.freebsd.org/base/head/sys/kern/kern_module.c?revision=289111=markup#l260 It's not

[Bug 209428] if_vtnet(4) panics when doing kldunload if_vtnet

2016-05-12 Thread bugzilla-noreply

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=209428 --- Comment #9 from Kristof Provost --- That looks correct to me, although I'm not sure if the mutex is actually required. The code calling the module load/unload function seems to do so with Giant held. -- You are