Date: Mon, 11 Feb 2019 17:51:26 -0800 From: Steve Kargl <sgk@troutmask.apl.washington.edu> To: Niclas Zeising <zeising+freebsd@daemonic.se> Cc: freebsd-current@freebsd.org, freebsd-ports@freebsd.org, freebsd-x11@freebsd.org Subject: Re: drm2 removed? Message-ID: <20190212015125.GA45479@troutmask.apl.washington.edu> In-Reply-To: <1a9ec129-84e8-0fd3-3768-9e40590347ff@daemonic.se> References: <20190211161205.GB41262@troutmask.apl.washington.edu> <20190211162020.GA41438@troutmask.apl.washington.edu> <e65fc614-3723-bcce-ef34-c1e24b09e4b5@daemonic.se> <20190211173653.GA42437@troutmask.apl.washington.edu> <1a9ec129-84e8-0fd3-3768-9e40590347ff@daemonic.se>
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On Mon, Feb 11, 2019 at 06:42:29PM +0100, Niclas Zeising wrote:
> >
> > The patch allows the port to be built.
> >
> > kldloading the i915kms module causes a 'black screen
> > of death'
> >
> Hi!
> I assume you load the kernel module either manually with kldload or
> using kld_list in rc.conf, not by loading it from the loader?
> So there is two bugs? One bug is that the kernel hangs while booting,
> and the other is that you get a black screen when loading the drm module
> after the kernel is mostly done booting?
>
Things have gone sideways. Dumbed down CPUTYPE to pentiumpro
for my Core2 duo. Spent all afternoon rebuilding kernel/world.
Rebuilt the following ports with new world:
drm-legacy-kmod-g20190109
gpu-firmware-kmod-g20181104
libXxf86vm-1.1.4_3
xf86-input-keyboard-1.9.0_3
xf86-input-mouse-1.9.3_2
xf86-video-intel-2.99.917.20181203
xf86-video-vesa-2.4.0_2
xorg-server-1.18.4_11,1
Load /boot/modules/i915kms.ko either manually or from rc.conf,
results in a panic. The system didn't create a crash dump as
I was expecting. A hand transcribed jpeg of panic screen
Fatal trap 12: page fault while in kernel mode
cpuid = 0: apic id = 00
fault virtual address = 0x89000010
fault code = supervisor write data, page not present
instruction pointer = 0x20:0xcc277a
stack pointer = 0x28:0xa3cebd4
frame pointer = 0x28:0xa3cec20
code segment = base 0x0, limit 0xfffff, type 0x1b
= DPL 0, pres 1, def32 1, gran 1
processor eflags = interrupt enabled, resume, IOPL = 0
current process = 0 (thread taskq)
trap number = 12
panic: page fault
cpuid = 0
time = 1549933942
KDB: stack backtrace
db_trace_self_wrapper
kdb_backtrace
vpanic
panic
trap_fatal
trap_pfault
trap
calltrap
--- trap 0xc, eip = 0xcc277a, esp = 0x3cebd4, ebp = 0x3cec20
vmem_periodic(0,1,c671ce,a5ad79c,0,...) at vmem_periodic+0x18a/
taskqueue_run_locked
taskqueue_thread_loop
fork_exit
fork_trampoline() at 0xffc033ba/frame 0xa3cecd4
-- trap 0, eip = 0, esp = 0xa3ced20, ebp
(null)() at 0
--
Steve
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