[LinuxBIOS] pc partitoin magic number not found?

Jon Dufresne jon.dufresne at gmail.com
Thu Dec 14 16:31:45 CET 2006


Of the southbridge, I can modprobe ehci, uhci and the ide controller
(although none of them work fully, they just don't panic), the ac97
audio and the nic panic. I decided to focus on the ac97 first because
the nic is behind a PCI bridge and I wasn't sure if the crash was due
ot the nic or the bridge. However, it is very likely that these panic
for similar reason. At the bottom of my email I'll paste the kernel
panic from modprobing and I'll attach the output from linuxbios and
the kernel. I haven't tried to modprobe the ac97 modem and in the end
I'll probably disable this device.

I'll investigate that address range, thanks for the tip. I tried to
get information from this output of the panic, but I wasn't sure
exactly what it was trying to tell me. This makes a bit more sense now
that you point to this section. Are you saying add printk's to the
kernel or to linuxbios? I assume you mean lb.

Jon

# modprobe snd_intel8x0
Unable to handle kernel paging request at virtual address 019b2005
 printing eip:
*pde = 00000000
Oops: 0000 [#1]
Modules linked in: snd_intel8x0 snd_ac97_codec snd_pcm_oss
snd_mixer_oss snd_pcm snd_timer snd_page_alloc snd_mpu401_uart
snd_rawmidi snd_seq_device snd sounddCPU:    0
EIP:    0060:[<c0129fe0>]    Not tainted VLI
EFLAGS: 00010202   (2.6.9-42.EL)
EIP is at __request_resource+0x24/0x41
eax: 019b2001   ebx: f7a608c0   ecx: c036849c   edx: c0004014
esi: f02021ff   edi: f0202000   ebp: f0202000   esp: c1a11e80
ds: 007b   es: 007b   ss: 0068
Process modprobe (pid: 2034, threadinfo=c1a11000 task=c1a2c740)
Stack: f7a608c0 c036849c f7a608dc c012a27c dff4c800 00000200 000001ff 00000002
       dff4c800 f7a53024 c01f02a0 f7a53024 00000002 f7a53024 dff4c800 f89ac270
       c01f033c f7a53000 c1a96c00 dff4c800 f89a7c73 00000001 f7a53000 f7a53000
Call Trace:
 [<c012a27c>] __request_region+0x52/0x74
 [<c01f02a0>] pci_request_region+0x82/0xf2
 [<c01f033c>] pci_request_regions+0x14/0x37
 [<f89a7c73>] snd_intel8x0_create+0x104/0x403 [snd_intel8x0]
 [<f89a803c>] snd_intel8x0_probe+0xca/0x21a [snd_intel8x0]
 [<c01f1b09>] pci_device_probe_static+0x2a/0x3d
 [<c01f1b37>] __pci_device_probe+0x1b/0x2c
 [<c01f1b63>] pci_device_probe+0x1b/0x2d
 [<c0252157>] bus_match+0x27/0x45
 [<c0252220>] driver_attach+0x37/0x66
 [<c02525d5>] bus_add_driver+0x77/0x97
 [<c02529f0>] driver_register+0x51/0x58
 [<c01f1d21>] pci_register_driver+0x85/0xa1
 [<f881400a>] alsa_card_intel8x0_init+0xa/0x39 [snd_intel8x0]
 [<c01410b6>] sys_init_module+0xe9/0x1d0
 [<c0318d93>] syscall_call+0x7/0xb
 [<c031007b>] xfrm_send_policy_notify+0x61/0x6a
Code: 84 36 c0 5b 89 d0 c3 57 89 c1 56 53 8b 7a 04 89 d3 8b 72 08 39
fe 72 2c 3b 79 04 72 27 3b 71 08 77 22 8d 51 18 8b 02 85 c0 74 05 <39>
70 04 76 0c 89 43
 <0>Fatal exception: panic in 5 seconds
Kernel panic - not syncing: Fatal exception


# modprobe e100
Unable to handle kernel paging request at virtual address 019b2005
 printing eip:
*pde = 00000000
Oops: 0000 [#1]
Modules linked in: e100 mii dm_mirror dm_mod floppy ext3 jbd
CPU:    0
EIP:    0060:[<c0129fe0>]    Not tainted VLI
EFLAGS: 00010202   (2.6.9-42.EL)
EIP is at __request_resource+0x24/0x41
eax: 019b2001   ebx: dfce9520   ecx: c036849c   edx: c0004014
esi: f0000fff   edi: f0000000   ebp: f0000000   esp: f7a4fe8c
ds: 007b   es: 007b   ss: 0068
Process modprobe (pid: 1984, threadinfo=f7a4f000 task=c1a4f320)
Stack: dfce9520 c036849c dfce953c c012a27c dff4c000 00001000 00000fff 00000000
       dff4c000 f89932d3 c01f02a0 f89932d3 00000000 f89932d3 dff4c000 f7a9e280
       c01f033c 00000000 dff4c044 f7a9e00d f8992146 f7a9e000 f8996164 dff4c000
Call Trace:
 [<c012a27c>] __request_region+0x52/0x74
 [<c01f02a0>] pci_request_region+0x82/0xf2
 [<c01f033c>] pci_request_regions+0x14/0x37
 [<f8992146>] e100_probe+0x193/0x61d [e100]
 [<c0185447>] dput+0x33/0x423
 [<c01f1b09>] pci_device_probe_static+0x2a/0x3d
 [<c01f1b37>] __pci_device_probe+0x1b/0x2c
 [<c01f1b63>] pci_device_probe+0x1b/0x2d
 [<c0252157>] bus_match+0x27/0x45
 [<c0252220>] driver_attach+0x37/0x66
 [<c02525d5>] bus_add_driver+0x77/0x97
 [<c02529f0>] driver_register+0x51/0x58
 [<c01f1d21>] pci_register_driver+0x85/0xa1
 [<f8814041>] e100_init_module+0x41/0x4c [e100]
 [<c01410b6>] sys_init_module+0xe9/0x1d0
 [<c0318d93>] syscall_call+0x7/0xb
Code: 84 36 c0 5b 89 d0 c3 57 89 c1 56 53 8b 7a 04 89 d3 8b 72 08 39
fe 72 2c 3b 79 04 72 27 3b 71 08 77 22 8d 51 18 8b 02 85 c0 74 05 <39>
70 04 76 0c 89 43
 <0>Fatal exception: panic in 5 seconds
Kernel panic - not syncing: Fatal exception
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