Re: port-i386/49678: DRM errors with i386 i915drmkms on 82915GM (eeepc 900)

[mlh%goathill.org@localhost (MLH)]

The following reply was made to PR port-i386/49678; it has been noted by GNATS.

From: mlh%goathill.org@localhost (MLH)
To: Taylor R Campbell <riastradh%NetBSD.org@localhost>
Cc: MLH <mlh%goathill.org@localhost>, gnats-bugs%NetBSD.org@localhost, gnats-admin%netbsd.org@localhost, 
 netbsd-bugs%netbsd.org@localhost
Subject: Re: port-i386/49678: DRM errors with i386 i915drmkms on 82915GM (eeepc
 900)
Date: Sun, 5 Apr 2015 22:00:19 -0400 (EDT)

 Taylor R Campbell wrote:
 >    Date: Sun, 5 Apr 2015 21:05:47 -0400 (EDT)
 >    From: mlh%goathill.org@localhost (MLH)
 > 
 >    Taylor R Campbell wrote:
 >    > In that case, can you try the attached patch and send me the dmesg
 >    > output?  You can revert the earlier one changing bus_space_map.
 > 
 >    No visible change
 > 
 > Thanks!  Can you update sys/external/bsd/drm2/include/linux/pci.h to
 > 1.16 and try again?
 
 No visible change either.
 
 NetBSD 7.99.9 (GENERIC) #1: Sun Apr  5 21:36:51 EDT 2015
 ...
 pci0: i/o space, memory space enabled, rd/line, rd/mult, wr/inv ok
 pchb0 at pci0 dev 0 function 0: vendor 8086 product 2590 (rev. 0x04)
 agp0 at pchb0: i915-family chipset
 agp0: detected 7932k stolen memory
 agp0: aperture at 0xd0000000, size 0x10000000
 i915drmkms0 at pci0 dev 2 function 0: vendor 8086 product 2592 (rev. 0x04)
 drm: Memory usable by graphics device = 256M
 extent_alloc_subregion1: extent allocing vga rom: [786432, 802816)extent_alloc_subregion(c1095980,10000,ffffffff,4000,4000,0,12,c12a9a2c,cf8,0) at netbsd:extent_alloc_subregion+0x4a
 bus_space_reserve_subregion(c1018f40,10000,ffffffff,4000,4000,0,0,c12a9a70,c1018f40,c12a9a84) at netbsd:bus_space_reserve_subregion+0xa1
 bus_space_alloc(c1018f40,10000,ffffffff,4000,4000,0,0,c24b17b0,c24b17c4,c2460e00) at netbsd:bus_space_alloc+0x5a
 i915_driver_load(c249100c,c0bfc200,c12a9cc0,c249100c,c277acb8,c12a9c00,c02f8290,c249100c,c0bfc200,5) at netbsd:i915_driver_load+0xd5c
 drm_dev_register(c249100c,c0bfc200,5,c277acc4,c277acb8,c277acbc,c277acc4,c249100c,24,c27a0e48) at netbsd:drm_dev_register+0x7f
 drm_pci_attach(c27a0e48,c12a9cc0,c249131c,c101fe80,c0bfc200,c2491318,c2633460,c0bfc200,c12a9cc0,c1007578) at netbsd:drm_pci_attach+0x30b
 i915drmkms_attach(c2793388,c27a0e48,c12a9cc0,c12a9cb8,c12a9cc0,c27a0e48,c27bdaf0,0,c27bd000,c12a9d08) at netbsd:i915drmkms_attach+0xc0
 config_attach_loc(c2793388,c1005fe8,c12a9cb8,c12a9cc0,c07ddf54,c0965176,c27bdb5c,3000004,25928086,8086) at netbsd:config_attach_loc+0x181
 pci_probe_device(c27bd000,80001000,0,0,0,c12a9d4e,2,0,0,0) at netbsd:pci_probe_device+0x437
 pci_enumerate_bus(c27bd000,c0d5ce48,0,0,10,c12a9e64,10,c27bd000,c12a9dd4,c07df1fc) at netbsd:pci_enumerate_bus+0x1a7
 pcirescan(c2793388,c0de0f2b,c0d5ce48,c10c1904,2,4,c2793388,c1007578,c2793388,c0de0f2b) at netbsd:pcirescan+0x51
 pciattach(c263bd88,c2793388,c12a9e64,0,c12a9e64,c2793388,0,c0de0f2f,c0de0f2f,c12a9e20) at netbsd:pciattach+0x17d
 config_attach_loc(c263bd88,c1005568,0,c12a9e64,c07e7444,0,c12a9e4c,c07404d8,c263bd88,c0dc2346) at netbsd:config_attach_loc+0x181
 config_found_ia(c263bd88,c0dc2346,c12a9e64,c07e7444,c2639c08,0,c0dc2346,c24862b0,c263bd88,c12a9ea0) at netbsd:config_found_ia+0x36
 mp_pci_scan(c263bd88,c12a9e64,c07e7444,0,c1018f60,c1018f60,c1018f40,c107d120,0,0) at netbsd:mp_pci_scan+0x84
 mainbus_rescan(c263bd88,c0dc2346,0,c263bd88,1,c2633dc0,c2637d5c,c0df2de6,c2637d5c,c2633dc0) at netbsd:mainbus_rescan+0x23b
 mainbus_attach(0,c263bd88,0,0,c1005550,c263bd88,0,c0dc151a,12b0000,c12a9f48) at netbsd:mainbus_attach+0xfc
 config_attach_loc(0,c1005550,0,0,0,cb06,16800000,c12a9f5c,c0210976,c0dc151a) at netbsd:config_attach_loc+0x181
 config_rootfound(c0dc151a,0,cb06,c12a9fa0,c0b458a8,c0e1f198,6,3,0,0) at netbsd:config_rootfound+0x4a
 cpu_configure(c0e1f198,6,3,0,0,0,0,0,0,0) at netbsd:cpu_configure+0x2a
 main(0,0,0,0,0,0,0,0,0,0) at netbsd:main+0x2c8
 drm: Supports vblank timestamp caching Rev 2 (21.10.2013).
 drm: Driver supports precise vblank timestamp query.
 pci_map_rom_md: failed to map 0x20000 @ 0xc0000
 pci_map_rom: failed to map ROM BAR
 pci_map_rom: failed to map MD ROM
 drm: failed to find VBIOS tables
 i915drmkms0: interrupting at ioapic0 pin 16 (i915)
 drm: initialized overlay support
 intelfb0 at i915drmkms0
 i915drmkms0: info: registered panic notifier
 intelfb0: framebuffer at 0xda0b0000, size 1920x1200, depth 32, stride 7680
 DRM error in intel_pipe_config_compare: mismatch in adjusted_mode.flags(DRM_MODE_FLAG_NHSYNC) (expected 2, found 0)
 warning: /iopt/src/sys/external/bsd/drm2/dist/drm/i915/intel_display.c:9891: pipe state doesn't match!
 DRM error in intel_pipe_config_compare: mismatch in adjusted_mode.flags(DRM_MODE_FLAG_PHSYNC) (expected 0, found 1)
 warning: /iopt/src/sys/external/bsd/drm2/dist/drm/i915/intel_display.c:9891: pipe state doesn't match!
 wsdisplay0 at intelfb0 kbdmux 1: console (default, vt100 emulation), using wskbd0
 wsmux1: connecting to wsdisplay0
 vendor 8086 product 2792 (miscellaneous display, revision 0x04) at pci0 dev 2 function 1 not configured