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Re: kern/49398 (i386-current GENERIC (i915drmkms) boot hangs if monitor powered off)
The following reply was made to PR kern/49398; it has been noted by GNATS.
From: "John D. Baker" <jdbaker%mylinuxisp.com@localhost>
Subject: Re: kern/49398 (i386-current GENERIC (i915drmkms) boot hangs if
monitor powered off)
Date: Thu, 11 Jun 2015 11:39:47 -0500 (CDT)
On Tue, 9 Jun 2015, John D. Baker wrote:
> I have another project blocking the workspace, but if I can clear that
> I should be able to play a bit of Towers of Hanoi with equipment to test
> the i915 box with the CRT display and the i845 box with the LCD panel.
I've attached the ThinkCentre (i82915) to the CRT monitor (ViewSonic
EA771). With the monitor off, i915drmkms seems to do something reasonable,
defaulting to 1024x768 and continuing instead of hanging like the GX260
With the CRT monitor on, both systems detect 1280x1024.
NetBSD 7.99.18 (GENERIC) #17: Tue Jun 9 16:51:47 CDT 2015
IBM 817234U (ThinkCentre S51)
pci0 at mainbus0 bus 0: configuration mode 1
pci0: i/o space, memory space enabled, rd/line, rd/mult, wr/inv ok
pchb0 at pci0 dev 0 function 0: Intel 82915P/G/GL Host (rev. 0x04)
agp0 at pchb0: i915-family chipset
agp0: detected 7932k stolen memory
agp0: aperture at 0xc0000000, size 0x10000000
i915drmkms0 at pci0 dev 2 function 0: Intel 82915G/GL Integrated Graphics Device (rev. 0x04)
drm: Memory usable by graphics device = 256M
drm: Supports vblank timestamp caching Rev 2 (21.10.2013).
drm: Driver supports precise vblank timestamp query.
i915drmkms0: interrupting at ioapic0 pin 16 (i915)
drm: initialized overlay support
intelfb0 at i915drmkms0
i915drmkms0: info: registered panic notifier
intelfb0: framebuffer at 0xdb195000, size 1024x768, depth 32, stride 4096
wsdisplay0 at intelfb0 kbdmux 1: console (default, vt100 emulation), using wskbd0
wsmux1: connecting to wsdisplay0
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