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Bug 125687 - No support for interanl graphics i845G
Summary: No support for interanl graphics i845G
Status: RESOLVED FIXED
Alias: None
Product: Gentoo Release Media
Classification: Unclassified
Component: Everything (show other bugs)
Hardware: x86 Linux
: High major (vote)
Assignee: Gentoo Release Team
URL:
Whiteboard:
Keywords:
Depends on:
Blocks:
 
Reported: 2006-03-10 02:50 UTC by Ignat Skoryh
Modified: 2006-03-20 08:59 UTC (History)
0 users

See Also:
Package list:
Runtime testing required: ---


Attachments
Archive with /var/log/messsages, /var/log/Xorg.0.log and /etc/X11/xorg.conf (errors.tar.gz,12.42 KB, application/octet-stream)
2006-03-16 23:51 UTC, Ignat Skoryh
Details

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Description Ignat Skoryh 2006-03-10 02:50:43 UTC
LiveCD is unable to create /dev/fb0, it says that /dev/fb0 is not found when it tries to show splash. It cannot identify screen mode and tries to load /etc/splash/livecd-2006.0/.cfg - which doesn't exist. Then it selects default VESA driver for X server and fails to find any screen mode, saying: Screen(s) found, but none have a usable configuration. When I manually set driver to use "i810" it says that /dev/agpgart is not found. I couldn't modprobe agpgart as such module doesn't exist on livecd.
Comment 1 Chris Gianelloni (RETIRED) gentoo-dev 2006-03-15 08:41:16 UTC
Which motherboard/computer is this with?  I tested on an IBM ThinkCentre with i865G, but don't have any i845G stuff to test against and I had no issues.

What if you boot with "gentoo-nofb" instead?
Comment 2 Ignat Skoryh 2006-03-16 12:38:43 UTC
(In reply to comment #1)
> Which motherboard/computer is this with?  I tested on an IBM ThinkCentre with
> i865G, but don't have any i845G stuff to test against and I had no issues.

It is MSI 845G motheboard.

> What if you boot with "gentoo-nofb" instead?

If I boot with gentoo-nofb then splash is not called and splash errors are not shown. But X server is unable to start anyway.
Comment 3 Chris Gianelloni (RETIRED) gentoo-dev 2006-03-16 13:41:54 UTC
OK.  Can you paste the exact errors that you get?

(You can use the mouse to select and links works for browsing bugs.gentoo.org)

Also, the contents of /etc/sysconfig/gentoo would be useful along with the output of lspci.
Comment 4 Ignat Skoryh 2006-03-16 23:51:58 UTC
Created attachment 82341 [details]
Archive with /var/log/messsages, /var/log/Xorg.0.log and /etc/X11/xorg.conf
Comment 5 Ignat Skoryh 2006-03-17 08:49:46 UTC
/etc/sysconfig/gentoo:
MOUSE_FULLNAME="ImExPS/2 Generic Explorer Mouse"
MOUSE_DEVICE="/dev/input/mice"
SOUND_FULLNAME="Intel Corp.|ICH4 845G/GL Chipset AC'97 Audio Controller"
SOUND_DRIVER="snd-intel8x0"
XSERVER="X"
XMODULE="vesa"
XDESC="Intel Corp.|82845 CGC [Chipset Graphics Controller]"
ignat@ubuntu:~/tmp/gentoo-errors$ get lspci.out

lspci:
00:00.0 Host bridge: Intel Corporation 82845G/GL[Brookdale-G]/GE/PE DRAM Controller/Host-Hub Interface (rev 01)
00:02.0 VGA compatible controller: Intel Corporation 82845G/GL[Brookdale-G]/GE Chipset Integrated Graphics Device (rev 01)
00:1d.0 USB Controller: Intel Corporation 82801DB/DBL/DBM (ICH4/ICH4-L/ICH4-M) USB UHCI Controller #1 (rev 01)
00:1d.1 USB Controller: Intel Corporation 82801DB/DBL/DBM (ICH4/ICH4-L/ICH4-M) USB UHCI Controller #2 (rev 01)
00:1d.2 USB Controller: Intel Corporation 82801DB/DBL/DBM (ICH4/ICH4-L/ICH4-M) USB UHCI Controller #3 (rev 01)
00:1d.7 USB Controller: Intel Corporation 82801DB/DBM (ICH4/ICH4-M) USB2 EHCI Controller (rev 01)
00:1e.0 PCI bridge: Intel Corporation 82801 PCI Bridge (rev 81)
00:1f.0 ISA bridge: Intel Corporation 82801DB/DBL (ICH4/ICH4-L) LPC Interface Bridge (rev 01)
00:1f.1 IDE interface: Intel Corporation 82801DB (ICH4) IDE Controller (rev 01)
00:1f.3 SMBus: Intel Corporation 82801DB/DBL/DBM (ICH4/ICH4-L/ICH4-M) SMBus Controller (rev 01)
00:1f.5 Multimedia audio controller: Intel Corporation 82801DB/DBL/DBM (ICH4/ICH4-L/ICH4-M) AC'97 Audio Controller (rev 01)
03:05.0 Multimedia video controller: Brooktree Corporation Bt878 Video Capture (rev 11)
03:05.1 Multimedia controller: Brooktree Corporation Bt878 Audio Capture (rev 11)
Comment 6 Ignat Skoryh 2006-03-18 10:15:44 UTC
When I increase Internal Video Memory from 1mb to 8Mb in BIOS, then both splash screen and X server start as expected. Thank you for your cooperation and time!

I used agpgart driver before that could request more memory if needed. But VESA driver uses only memory allocated by BIOS.
Comment 7 Chris Gianelloni (RETIRED) gentoo-dev 2006-03-20 08:59:07 UTC
Sounds good.

I would bet that the minimum video RAM required is probably lower than 8MB, I would guess 4MB should be sufficient for 1024x678x24@60, but I could be wrong there.  Anyway, I'm glad to hear that you found the cause of the problem.