Hi,
Looks like gdb doesn't work with 2.6.15-rc3 kernel. Trying to run ls or any
other binary crashes gdb and ooopses kernel. Here is the log :
<1>Unable to handle kernel NULL pointer dereference at virtual address
00000015
printing eip:
c014ac54
*pde = 00000000
Oops: 0000 [#8]
PREEMPT
Modules linked in: i915 drm ohci_hcd e100 mii ipw2200 ieee80211
ieee80211_crypt firmware_class ohci1394 ieee1394 yenta_socket rsrc_nonstatic
pcmcia_core i2c_i801 i2c_core ehci_hcd usbhid uhci_hcd intel_agp agpgart
snd_seq_oss snd_seq_midi_event snd_seq snd_seq_device snd_pcm_oss
snd_mixer_oss usbcore snd_hda_intel snd_hda_codec snd_pcm snd_timer snd
snd_page_alloc
CPU: 0
EIP: 0060:[<c014ac54>] Not tainted VLI
EFLAGS: 00210202 (2.6.15-rc3)
EIP is at vm_normal_page+0x14/0x60
eax: 1f6c4025 ebx: 00000000 ecx: 00000000 edx: 0001f6c4
esi: 1f6c4025 edi: ffffe000 ebp: 00000010 esp: d347eeec
ds: 007b es: 007b ss: 0068
Process gdb (pid: 29619, threadinfo=d347e000 task=ce7f1a50)
Stack: 00000ff8 c0513700 ffffe000 c014b9d9 00000000 ffffe000 1f6c4025 00000000
d8b34a90 bfab1dcc d8b34a90 d347ef84 c0124e67 d8b34a90 de941e40 ffffe000
00000001 00000000 00000001 d347ef4c d347ef50 de941e70 d347ef84 de941e40
Call Trace:
[<c014b9d9>] get_user_pages+0x229/0x290
[<c0124e67>] access_process_vm+0x77/0x140
[<c0107441>] arch_ptrace+0x481/0x550
[<c012d4c0>] find_task_by_pid_type+0x10/0x30
[<c0125384>] ptrace_get_task_struct+0x74/0xb0
[<c012541a>] sys_ptrace+0x5a/0x9b
[<c0102f3b>] sysenter_past_esp+0x54/0x79
Code: 43 25 fd ff 83 c4 18 5b 5e 5f e9 48 97 fb ff 90 8d b4 26 00 00 00 00 57
56 53 8b 5c 24 10 8b 74 24 18 89 f2 8b 7c 24 14 c1 ea 0c <f6> 43 15 04 74 15
8b 4b 04 89 f8 29 c8 8b 4b 48 c1 e8 0c 01 c8
P.S: I am not subscribed. So CC me if you reply.
Regards,
ismail
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