Re: kern/49254: drmkms on pineview (intel)

[Nicolas Joly <njoly%pasteur.fr@localhost>]

The following reply was made to PR kern/49254; it has been noted by GNATS.

From: Nicolas Joly <njoly%pasteur.fr@localhost>
To: gnats-bugs%NetBSD.org@localhost
Cc: kern-bug-people%netbsd.org@localhost, gnats-admin%netbsd.org@localhost,
	netbsd-bugs%netbsd.org@localhost
Subject: Re: kern/49254: drmkms on pineview (intel)
Date: Sat, 4 Oct 2014 16:27:27 +0200

 On Sat, Oct 04, 2014 at 12:55:00PM +0000, Patrick Welche wrote:
 > >Number:         49254
 > >Category:       kern
 > >Synopsis:       drmkms on pineview (intel)
 > >Confidential:   no
 > >Severity:       non-critical
 > >Priority:       medium
 > >Responsible:    kern-bug-people
 > >State:          open
 > >Class:          sw-bug
 > >Submitter-Id:   net
 > >Arrival-Date:   Sat Oct 04 12:55:00 +0000 2014
 > >Originator:     Patrick Welche
 > >Release:        NetBSD 7.99.1
 > >Organization:
 > >Environment:
 > NetBSD-7.99.1/amd64
 > >Description:
 > Trying out drmkms intel on a "desktop"
 > 
 > cpu0: "Intel(R) Atom(TM) CPU D525   @ 1.80GHz"
 > Vendor Name: Intel (0x8086)
 > Device Name: Pineview Integrated Graphics Device (0xa001)
 > 
 > which has a VGA and a DVI socket. The DVI socket is connected to a
 > monitor detected by another ivy bridge desktop as doing
 > 
 > intelfb0: framebuffer at 0xffff80008a8a1000, size 1680x1050, depth 32, stride 6720
 > 
 > but when connected to the pineview, only manages
 > 
 > intelfb0: framebuffer at 0xffff800024b7b000, size 1024x768, depth 32, stride 4096
 > 
 > xdm does work and terminal switching works.
 
 I do see a similar problem on a DELL Optioplex 780, even without
 DRMKMS. Where X previously worked just fine in 1680x1050 mode, it now
 only start with 1024x768 resolution.
 
 NetBSD 7.99.1 (LYNCHE) #0: Fri Oct  3 14:13:42 CEST 2014
         njoly%lynche.sis.pasteur.fr@localhost:/local/src/NetBSD/obj.amd64/sys/arch/amd64/compile/LYNCHE
 [...]
 agp0 at pchb0: G4X-family chipset
 agp0: detected 32252k stolen memory
 agp0: aperture at 0xe0000000, size 0x10000000
 [...]
 i915drm0 at vga0: Intel Q45/Q43
 i915drm0: AGP at 0xe0000000 256MB
 i915drm0: Initialized i915 1.6.0 20080730
 Intel 82Q45 Integrated Graphics Device (miscellaneous display,revision 0x03) at pci0 dev 2 function 1 not configured
 [...]
 
 -- 
 Nicolas Joly
 
 Biology IT Center
 Institut Pasteur, Paris.