On 4/10/2019 10:19 AM, Gregory Rose wrote:


On 4/8/2019 1:31 AM, Juerg Haefliger wrote:
On Tue, 19 Mar 2019 11:45:44 -0700
Gregory Rose <[email protected]> wrote:
[snip]

Hi Ben, I apologize for the late reply - I've been out and am just
catching up.

Yes I have, and when I do the bug goes away.  I've also run a lockdep
enabled kernel - didn't see anything there.  I've enabled some further
kernel debug options and will get back to working on this now that I'm
back to work.
For me, this commit [1] seems to fix the issue.

...Juerg

[1] https://lore.kernel.org/lkml/20190328063600.GC16096@xps-13

I'll give it a try.  Thanks for the pointer!

That does the trick.  After 100 passes of adding and deleting the test bridge the problem does not occur. In my prior testing it never made it more than 6 times through and usually would panic in first few tries.

I'll send a patch to this list so the fix can be back ported to our OOT driver.

Thanks,

- Greg

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