Re: i1915drmkms system crash in NetBSD 7.0

[coypu%SDF.ORG@localhost]

On Fri, May 06, 2016 at 10:42:29PM -0400, Chuck Zmudzinski wrote:
> Hello friends...
> 
> I have a system with ASROCK B85M Pro4 Board and Intel Core i5-4590S
> processor which has Intel HD 4600 integrated graphics. I thought I would try
> booting NetBSD/amd64 7.0 on it, since I read on the web that NetBSD plans to
> support Intel integrated graphics up to Haswell in NetBSD 7.0.
> 
> It crashed using the GENERIC kernel a few seconds after the bootloader
> loaded the kernel. On the console screen I could see that the i915drmkms
> driver crashed the system and the screen immediately went blank at that
> time.
> 
> To get this system to boot I built a GENERIC kernel without the i915drmkms
> option, and used it to install and run on the system, and when running
> startx the system crashes immediately with the screen going blank. I thought
> maybe it would at least run X11 with the generic VESA driver. But it totally
> crashed the system. Obviously the support for Intel integrated graphics on
> the Haswell microarchitcture is hit and miss and NetBSD 7.0 does not support
> all configurations.
> 
> I also tried the legacy i915drm driver without kms which by default is
> disabled in the GENERIC kernel config, but that kernel config would not
> build without compilation errors.
> 
> Any ideas of what to try? NetBSD/i386 7.0? or NetBSD current? Tweak some
> BIOS settings such as amount of shared videoram (mine was set to 256 MB)?
> 
> Thanks
> 
> Chuck
> 
> 
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Try -current, at least.
You can get an image from nyftp.netbsd.org, no need to build your own.

Feel free to file a bug report, especially if -current fails too:
http://netbsd.org/cgi-bin/sendpr.cgi?gndb=netbsd