Re: kern/50060: kernel crash with i915drmksm on Intel 965Q

[Taylor R Campbell <riastradh%NetBSD.org@localhost>]

The following reply was made to PR kern/50060; it has been noted by GNATS.

From: Taylor R Campbell <riastradh%NetBSD.org@localhost>
To: gson%netbsd.org@localhost, nisimura%netbsd.org@localhost
Cc: gnats-bugs%NetBSD.org@localhost, gnats-admin%netbsd.org@localhost, netbsd-bugs%netbsd.org@localhost
Subject: Re: kern/50060: kernel crash with i915drmksm on Intel 965Q
Date: Mon, 12 Oct 2015 20:36:20 +0000

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 Can you please try the attached patch?
 
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 Index: agp_i810.c
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 RCS file: /cvsroot/src/sys/dev/pci/agp_i810.c,v
 retrieving revision 1.118
 diff -p -u -r1.118 agp_i810.c
 --- agp_i810.c	5 Apr 2015 12:55:20 -0000	1.118
 +++ agp_i810.c	12 Oct 2015 20:35:42 -0000
 @@ -420,7 +420,9 @@ agp_i810_attach(device_t parent, device_
  	case CHIP_I965:
  		apbase =3D AGP_I965_GMADR;
  		mmadr_bar =3D AGP_I965_MMADR;
 -		mmadr_type |=3D PCI_MAPREG_MEM_TYPE_64BIT;
 +		mmadr_type |=3D PCI_MAPREG_MEM_TYPE_MASK &
 +		    pci_mapreg_type(isc->vga_pa.pa_pc,
 +			isc->vga_pa.pa_tag, AGP_I965_MMADR);
  		if (pci_mapreg_info(isc->vga_pa.pa_pc, isc->vga_pa.pa_tag,
  			AGP_I965_MMADR, mmadr_type, NULL, &isc->size, NULL))
  			isc->size =3D 512*1024; /* XXX */
 
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