3.5-rc6 fb hw inteldrmfb

On a computer of someone else, on which today I tried to install 3.5-rc6 (what on my computer and on an HP pavillon laptop runs without problem - on the laptop however needs ircpoll otherwhise don't find the harddisk), few seconds after start booting it sticks and don't continue longer (reboot not possible with Ctr-Alt-C but only pressing the reboot button), the last message is: "conflicting fb hw usage inteldrmfb vs VESA VGA - removing generic driver"
then the cursor stops blinking, and the computer
sticks.
With 3.4 the same computer runs since weeks without problems. So, that's a regression.

Inspection of syslog, messages, debug don't show anything from this boot, it seems before the crash it hasn't nor time to log something.

Below is the lspci of that computer.

wl

00:00.0 Host bridge: Intel Corporation 82945G/GZ/P/PL Memory Controller Hub (rev 02) 00:02.0 VGA compatible controller: Intel Corporation 82945G/GZ Integrated Graphics Controller (rev 02) 00:1b.0 Audio device: Intel Corporation 82801G (ICH7 Family) High Definition Audio Controller (rev 01) 00:1c.0 PCI bridge: Intel Corporation 82801G (ICH7 Family) PCI Express Port 1 (rev 01) 00:1c.1 PCI bridge: Intel Corporation 82801G (ICH7 Family) PCI Express Port 2 (rev 01) 00:1c.2 PCI bridge: Intel Corporation 82801G (ICH7 Family) PCI Express Port 3 (rev 01) 00:1c.3 PCI bridge: Intel Corporation 82801G (ICH7 Family) PCI Express Port 4 (rev 01) 00:1d.0 USB Controller: Intel Corporation 82801G (ICH7 Family) USB UHCI Controller #1 (rev 01) 00:1d.1 USB Controller: Intel Corporation 82801G (ICH7 Family) USB UHCI Controller #2 (rev 01) 00:1d.2 USB Controller: Intel Corporation 82801G (ICH7 Family) USB UHCI Controller #3 (rev 01) 00:1d.3 USB Controller: Intel Corporation 82801G (ICH7 Family) USB UHCI Controller #4 (rev 01) 00:1d.7 USB Controller: Intel Corporation 82801G (ICH7 Family) USB2 EHCI Controller (rev 01) 00:1e.0 PCI bridge: Intel Corporation 82801 PCI Bridge (rev e1)
00:1f.0 ISA bridge: Intel Corporation 82801GB/GR (ICH7 Family) LPC Interface Bridge (rev 01) 00:1f.1 IDE interface: Intel Corporation 82801G (ICH7 Family) IDE Controller (rev 01) 00:1f.2 IDE interface: Intel Corporation 82801GB/GR/GH (ICH7 Family) SATA IDE Controller (rev 01) 00:1f.3 SMBus: Intel Corporation 82801G (ICH7 Family) SMBus Controller (rev 01)
05:00.0 Ethernet controller: Broadcom Corporation NetXtreme BCM5751 Gigabit Ethernet PCI Express (rev 01)

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cc'ing Daniel,

wierd, are you passing a vga= to the kernel? or is grub2 going graphical?

also the dmesg from 3.4 might be good.

Dave.

Also if you could test 3.5-rc5 that'd be interesting, just to check whether the "removing generic driver" which is new in -rc6 is the cause of this or whether we have a bigger problem with the i915 driver crashing in 3.5-rc.

Thanks, Daniel

Daniel Vetter
[email protected] - +41 (0) 79 365 57 48 - http://blog.ffwll.ch