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Soft Kernel Panic Oops Troubleshoot

I recently compiled Linux 2.6.35.2. I running Slackware x86. I am sporadically getting soft kernel panics when booting up, here is part of my dmesg output, how should I go about troubleshooting this?

Code:

[  23.478280] Modules linked in: nvidia(P) firewire_ohci firewire_core crc_itu_t sony_laptop iwl3945 ohci1394 tifm_7xx1 ieee1394 iwlcore tifm_core ext4 jbd2 crc16

[  23.478289] Pid: 1443, comm: sh Tainted: P      D    2.6.35.2 #3

[  23.478291] Call Trace:

[  23.478293]  [<c1029e1c>] __schedule_bug+0x48/0x4d

[  23.478296]  [<c144042b>] schedule+0x81/0x525

[  23.478300]  [<c1032d75>] ? jiffies_to_timeval+0x1e/0x35

[  23.478303]  [<c14409e6>] _cond_resched+0x29/0x42

[  23.478306]  [<c14412db>] down_read+0xb/0x1a

[  23.478310]  [<c105b98f>] acct_collect+0x36/0x12f

[  23.478312]  [<c1031f77>] do_exit+0x1a5/0x65d

[  23.478315]  [<c102fa59>] ? kmsg_dump+0xdf/0xf4

[  23.478318]  [<c1442bc9>] oops_end+0x92/0x9a

[  23.478321]  [<c1004ad1>] die+0x53/0x59

[  23.478323]  [<c144250f>] do_trap+0x89/0xa2

[  23.478326]  [<c1003226>] ? do_invalid_op+0x0/0x7b

[  23.478328]  [<c1003297>] do_invalid_op+0x71/0x7b

[  23.478331]  [<c10209d6>] ? kmap_atomic_prot+0x6e/0xa9

[  23.478334]  [<c14422d6>] error_code+0x66/0x6c

[  23.478337]  [<c1003226>] ? do_invalid_op+0x0/0x7b

[  23.478339]  [<c10209d6>] ? kmap_atomic_prot+0x6e/0xa9

[  23.478342]  [<c1020a1f>] kmap_atomic+0xe/0x10

[  23.478345]  [<c109c2e4>] handle_mm_fault+0x11e/0x861

[  23.478348]  [<c144446e>] do_page_fault+0x29c/0x2b2

[  23.478351]  [<c14441d2>] ? do_page_fault+0x0/0x2b2

[  23.478353]  [<c14422d6>] error_code+0x66/0x6c

[  23.478356]  [<c10200d8>] ? flush_tlb_others_ipi+0x1a/0xa5

[  23.478359]  [<c14441d2>] ? do_page_fault+0x0/0x2b2

[  23.478362]  [<c1183d29>] ? __put_user_4+0x11/0x18

[  23.478364]  [<c102c28f>] ? schedule_tail+0x4e/0x51

[  23.478367]  [<c1002786>] ret_from_fork+0x6/0x1c

This looks very much like a corrupted kernel, have you tried recompiling the kernel to see if the error appears again. When compiling the kernel, did you first use the 'make mrproper' command to make sure the kernel source was completely clean before compiling?

I will try recompiling and let you know what happens. I will first run make mrproper, this will delete my config right?

I ran make mrproper, make mrclean and then recompiled the kernel, and I am still having the same issues. Any other suggestions?

Ok recompiling is producing the same error, I wonder if your source file is corrupted. Could you re-download the source file and try again. When selecting kernel options to compile, are you using a text based, or graphical GUI? If your using a text based, try the graphical instead 'make xconfig'

I used 'make xconfig', I will download the source again though and try again. I will let you know what happens.

I downloaded the source again, and checked it against the gpg signature. I re-compiled, but am still having the same issue. Could it be something with my configuration?