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Date:      Fri, 9 Oct 2015 05:34:44 -0700
From:      Colin Percival <cperciva@freebsd.org>
To:        freebsd-x11@freebsd.org
Subject:   panic backtrace
Message-ID:  <5617B464.5030107@freebsd.org>

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Panic while booting the latest git code: http://imgur.com/fWdooqS

For the benefit of google and other robots which don't index photos:

> panic: Lock drmslk not exclusively locked @ ... i915_gem.c:1029
> 
> ...
> _sx_assert()
> __wait_seqno()
> i915_gem_set_domain_ioctl()
> drm_ioctl()
> devfs_ioctl_f()
> kern_ioctl()
> sys_ioctl()
> amd64_syscall()
> Xfast_syscall()
> --- syscall (54, FreeBSD ELF64, sys_ioctl)

Possibly related: Setting drm.debug=3 seems to make the panic not happen.

-- 
Colin Percival
Security Officer Emeritus, FreeBSD | The power to serve
Founder, Tarsnap | www.tarsnap.com | Online backups for the truly paranoid




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