[Nouveau] [Bug 90567] Display freeze when starting League of Legends (Wine)

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=90567

--- Comment #12 from Ilia Mirkin <imirkin at alum.mit.edu> ---
OK, well this is phenomenally bad then:

nouveau E[League of Legen[1565]] Unknown handle 0x00000017
nouveau E[League of Legen[1565]] validate_init
nouveau E[League of Legen[1565]] validate: -2

And in your earlier logs:

nouveau E[League of Legen[2046]] Unknown handle 0x0000020e
nouveau E[League of Legen[2046]] validate_init
nouveau E[League of Legen[2046]] validate: -2
nouveau E[League of Legen[2046]] multiple instances of buffer 3 on validation
list
nouveau E[League of Legen[2046]] validate_init
nouveau E[League of Legen[2046]] validate: -22

I guess the earlier log may have happened with 2.4.60 -- that one would trigger
the "multiple instances" error. Unknown handle is really really bad though.

Ben (or anyone)? I don't see how this can happen... Are we not holding on to
some buffer that we should be? Should pushbuf_refn take a ref on the bo?

Detlev, could you create an apitrace that reproduces the issue? I think that
could ease debugging. (https://github.com/apitrace/apitrace)

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