Hi,
I have a problem with an IBM point-of-sale system with an Intel 82Q35
graphics chipset that does not work in RHEL6/F13, but that does work
fine on SLED 11 !!! That system has a 15" display attached and also
a VGA port for a second display (to which I have connected a monitor).
This is the dmesg output on F13 with one comment inserted:
[...]
usb 1-5.2: new full speed USB device using ehci_hcd and address 3
usb 1-5.2: New USB device found, idVendor=05ba, idProduct=000a
usb 1-5.2: New USB device strings: Mfr=1, Product=2, SerialNumber=3
usb 1-5.2: Product: U.are.U® 4500 Fingerprint Reader
usb 1-5.2: Manufacturer: DigitalPersona, Inc.
usb 1-5.2: SerialNumber: {3740B292-0CE7-0C45-BFC2-5053D2C76391}
fbcon: inteldrmfb (fb0) is primary device
###### HERE THE CONSOLE SWITCHES FROM PRIMARY TO SECONDARY DISPLAY !!! ######
Console: switching to colour frame buffer device 160x64
fb0: inteldrmfb frame buffer device
registered panic notifier
No ACPI video bus found
[drm] Initialized i915 1.6.0 20080730 for 0000:00:02.0 on minor 0
[...]
The dmesg output on SLED 11 (kernel 2.6.27.19) as far as related to
the framebuffer part looks as follows:
[...]
vesafb: framebuffer at 0xd0000000, mapped to 0xf8880000, using 6144k, total 8128k
vesafb: mode is 1024x768x16, linelength=2048, pages=0
vesafb: scrolling: redraw
vesafb: Truecolor: size=0:5:6:5, shift=0:11:5:0
bootsplash 3.1.6-2004/03/31: looking for picture...
bootsplash: silentjpeg size 57853 bytes
bootsplash: ...found (1024x768, 31742 bytes, v3).
Console: switching to colour frame buffer device 124x44
fb0: VESA VGA frame buffer device
[...]
On F13, I can avoid the video switcthing with the "nomodeset" kernel
parameter, but after that X can not be started at all.
The same problem occurs with anaconda, BTW, so it also switches to
the second display on F13/RHEL6, while a graphical install on the
primary display is working fine for SLED11.
I have the complete dmesg output of both F13 and SLED11, if needed.
Any help is appreciated.
Thanks,
--
-- Jos Vos <jos@xxxxxx>
-- X/OS Experts in Open Systems BV | Phone: +31 20 6938364
-- Amsterdam, The Netherlands | Fax: +31 20 6948204
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