linux-kernel - 2.6.18 kernel panic on boot with VIA power-off quirk.

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Date:	Wed, 25 Oct 2006 19:31:26 -0700
From:	Ben Greear <greearb@...delatech.com>
To:	linux-kernel <linux-kernel@...r.kernel.org>
Subject: 2.6.18 kernel panic on boot with VIA power-off quirk.

Is this a known problem?

Kernel is 2.6.18, compiled for VIA C3 (FC5 distribution)
Hardware is FWA7304 from i-Base.

I have noticed on 2.6.17 that 'init 0' on this thing causes it
over-heat badly (when you would expect it to shut off), and I'm hopeful
that the quirk in this stack trace is trying to fix that....

More info available, including remote console access if it helps.

Thanks,
Ben


....
0000:00:10.4 EHCI: BIOS handoff failed (BIOS bug ?) 01010001
PCI: Bypassing VIA 8237 APIC De-Assert Message
BUG: unable to handle kernel NULL pointer dereference at virtual address 000000c printing eip:
c022a0b3
*pde = 00000000
Oops: 0000 [#1]
PREEMPT
Modules linked in:
CPU:    0
EIP:    0060:[<c022a0b3>]    Not tainted VLI
EFLAGS: 00010202   (2.6.18c3 #7)
EIP is at acpi_hw_low_level_read+0xa/0x70
eax: 00000010   ebx: 00000001   ecx: 00000094   edx: c1463f5c
esi: c1463f78   edi: 00000000   ebp: c1463f4c   esp: c1463f40
ds: 007b   es: 007b   ss: 0068
Process swapper (pid: 1, ti=c1462000 task=c1461530 task.ti=c1462000)
Stack: 00000001 c1463f78 00000000 c1463f6c c022a175 00000088 00000000 00000000
        c0389f48 deeb2000 c038a070 c1463f7c c0207e55 01eb2800 c0389f18 c1463f90
        c0207933 deeb2000 00000000 00000000 c1463f9c c0206b24 c04562f4 c1463fe4
Call Trace:
  [<c01048c1>] show_stack_log_lvl+0xb1/0xe0
  [<c0104b1e>] show_registers+0x1ce/0x260
  [<c0104ccd>] die+0x11d/0x2c0
  [<c0116ec2>] do_page_fault+0x272/0x57c
  [<c0104319>] error_code+0x39/0x40
  [<c022a175>] acpi_hw_register_read+0x5c/0x16c
  [<c0207e55>] quirk_via_abnormal_poweroff+0x15/0x40
  [<c0207933>] pci_fixup_device+0x53/0xa0
  [<c0206b24>] pci_init+0x14/0x30
  [<c0100320>] init+0x80/0x290
  [<c0101005>] kernel_thread_helper+0x5/0x10
Code: c0 68 f3 00 00 00 ff 35 ac 82 34 c0 e8 20 83 00 00 31 c0 83 c4 10 eb 07 8
EIP: [<c022a0b3>] acpi_hw_low_level_read+0xa/0x70 SS:ESP 0068:c1463f40
  <0>Kernel panic - not syncing: Attempted to kill init!



-- 
Ben Greear <greearb@...delatech.com>
Candela Technologies Inc  http://www.candelatech.com

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