Date: Mon, 20 Feb 2017 16:02:41 -0800 From: Steve Kargl <sgk@troutmask.apl.washington.edu> To: Mateusz Guzik <mjguzik@gmail.com>, freebsd-current@freebsd.org, freebsd-hackers@freebsd.org Subject: Re: drm2, i915kms cause instant lock-up Message-ID: <20170221000241.GA91372@troutmask.apl.washington.edu> In-Reply-To: <20170220235807.GC26759@dft-labs.eu> References: <20170220235224.GA91194@troutmask.apl.washington.edu> <20170220235807.GC26759@dft-labs.eu>
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On Tue, Feb 21, 2017 at 12:58:07AM +0100, Mateusz Guzik wrote: > On Mon, Feb 20, 2017 at 03:52:24PM -0800, Steve Kargl wrote: > > With a kernel and world from r313943 sources (circa > > Feb 19, 2017), kldload of either drm2.ko or i915kms.ko > > will lock up the system. There is no keyboard response, > > screen output, or panic. Just a locked up system. > > > > A kernel from r313027 and its modules boots fine. > > 'kldload drm2.ko' yields the following in /var/log/messages: > > > > There were quite a few invasive changes in this timeframe. Can you > please: > > 1. switch to 313254 and ensure it works > 2. apply https://people.freebsd.org/~mjg/patches/complete-locks.diff and > check if it breaks > I'll give it a shot. It takes 30 to 60 minutes to build kernel and modules on my system. I'll post results when available. -- Steve 20161221 https://www.youtube.com/watch?v=IbCHE-hONow
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