[Bugme-new] [Bug 12520] New: Cannot boot 2.6.28 under Dell OptiPlex 960

[bugme-daemon at bugzilla.kernel.org]

http://bugzilla.kernel.org/show_bug.cgi?id=12520

           Summary: Cannot boot 2.6.28 under Dell OptiPlex 960
           Product: Platform Specific/Hardware
           Version: 2.5
     KernelVersion: 2.6.28.1
          Platform: All
        OS/Version: Linux
              Tree: Mainline
            Status: NEW
          Severity: normal
          Priority: P1
         Component: i386
        AssignedTo: platform_i386 at kernel-bugs.osdl.org
        ReportedBy: denis_scherbakov at yahoo.com


Latest working kernel version: 2.6.27.x
Earliest failing kernel version: 2.6.28-rc8, 2.6.28-rc9, 2.6.28, 2.6.28.1
Distribution: Gentoo Linux, but clean 2.6.28  from kernel.org also tested.
Hardware Environment: Dell OptiPlex 960, Intel Core 2 Quad Q9550
Software Environment: Grub Boot Loader

Problem Description: I cannot boot into 2.6.28.x kernels. It stucks right after
the beginning:

===================
  Booting 'Gentoo Linux Devel'

kernel /boot/vmlinuz-2.6.28-gentoo-r1 root=/dev/sda3
   [Linux-bzImage, setup=0x2a00, size=0x293070]


Decompressing Linux... Parsing ELF... done.
Booting the kernel.
===================

After that keyboard stops working and I have to do hard poweroff. I tried to
boot the kernel in question under qemu. It boots there.

===================
lspci -nn 
00:00.0 Host bridge [0600]: Intel Corporation Device [8086:2e10] (rev 03)
00:01.0 PCI bridge [0604]: Intel Corporation Device [8086:2e11] (rev 03)
00:02.0 VGA compatible controller [0300]: Intel Corporation Device [8086:2e12]
(rev 03)
00:02.1 Display controller [0380]: Intel Corporation Device [8086:2e13] (rev
03)
00:03.0 Communication controller [0780]: Intel Corporation Device [8086:2e14]
(rev 03)
00:03.2 IDE interface [0101]: Intel Corporation Device [8086:2e16] (rev 03)
00:03.3 Serial controller [0700]: Intel Corporation Device [8086:2e17] (rev 03)
00:19.0 Ethernet controller [0200]: Intel Corporation Device [8086:10de] (rev
02)
00:1a.0 USB Controller [0c03]: Intel Corporation Device [8086:3a67] (rev 02)
00:1a.1 USB Controller [0c03]: Intel Corporation Device [8086:3a68] (rev 02)
00:1a.2 USB Controller [0c03]: Intel Corporation Device [8086:3a69] (rev 02)
00:1a.7 USB Controller [0c03]: Intel Corporation Device [8086:3a6c] (rev 02)
00:1b.0 Audio device [0403]: Intel Corporation Device [8086:3a6e] (rev 02)
00:1c.0 PCI bridge [0604]: Intel Corporation Device [8086:3a70] (rev 02)
00:1c.1 PCI bridge [0604]: Intel Corporation Device [8086:3a72] (rev 02)
00:1d.0 USB Controller [0c03]: Intel Corporation Device [8086:3a64] (rev 02)
00:1d.1 USB Controller [0c03]: Intel Corporation Device [8086:3a65] (rev 02)
00:1d.2 USB Controller [0c03]: Intel Corporation Device [8086:3a66] (rev 02)
00:1d.7 USB Controller [0c03]: Intel Corporation Device [8086:3a6a] (rev 02)
00:1e.0 PCI bridge [0604]: Intel Corporation 82801 PCI Bridge [8086:244e] (rev
a2)
00:1f.0 ISA bridge [0601]: Intel Corporation Device [8086:3a14] (rev 02)
00:1f.2 RAID bus controller [0104]: Intel Corporation 82801 SATA RAID
Controller [8086:2822] (rev 02)
00:1f.3 SMBus [0c05]: Intel Corporation Device [8086:3a60] (rev 02)
===================

Steps to reproduce: Not sure. I think it is possible only on optiplex 960
hardware.


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