I don't suppose anybody has any idea what might be causing this..  Of
course, I'm running a Linux 2.4.2 kernel w/ReiserFS and GFS (neither are
being used right now)

Hmm.. maybe I should have used kgcc (the kernel was compiled with
RedHat's patched gcc-2.96).

Mar 21 09:13:48 3po kernel: Unable to handle kernel NULL pointer dereference at virtual address 00000014
Mar 21 09:13:48 3po kernel:  printing eip:
Mar 21 09:13:48 3po kernel: c0132f94
Mar 21 09:13:48 3po kernel: *pde = 00000000
Mar 21 09:13:48 3po kernel: Oops: 0002
Mar 21 09:13:48 3po kernel: CPU:    0
Mar 21 09:13:48 3po kernel: EIP:    0010:[put_filp+4/64]
Mar 21 09:13:48 3po kernel: EFLAGS: 00210282
Mar 21 09:13:48 3po kernel: eax: ca08b489   ebx: ca4f2000   ecx: 00000000 edx: c3590601
Mar 21 09:13:48 3po kernel: esi: fffffff7   edi: 09238000   ebp: 00001000 esp: ca4f3f8c
Mar 21 09:13:48 3po kernel: ds: 0018   es: 0018   ss: 0018
Mar 21 09:13:48 3po kernel: Process netscape-commun (pid: 19889, stackpage=ca4f3000)
Mar 21 09:13:48 3po kernel: Stack: c01322f9 00000000 00000000 c3590600 00000000 00000000 c3590600 000fe000 
Mar 21 09:13:48 3po kernel:        c013211e ca4f2000 00000010 09238000 bfffdd00 c0108fc3 00000010 09238000 
Mar 21 09:13:48 3po kernel:        00001000 00000010 09238000 bfffdd00 00000004 0000002b 0000002b 00000004 
Mar 21 09:13:48 3po kernel: Call Trace: [sys_write+25/208] [sys_lseek+110/128] [system_call+51/64] 
Mar 21 09:13:48 3po kernel: 
Mar 21 09:13:48 3po kernel: Code: ff 49 14 0f 94 c0 84 c0 74 27 8b 41 04 8b 11 89 42 04 89 10 
Mar 21 09:14:05 3po kernel: Unable to handle kernel NULL pointer dereference at virtual address 00000008
Mar 21 09:14:05 3po kernel:  printing eip:
Mar 21 09:14:05 3po kernel: c0132e9c
Mar 21 09:14:05 3po kernel: *pde = 00000000
Mar 21 09:14:05 3po kernel: Oops: 0000
Mar 21 09:14:05 3po kernel: CPU:    0
Mar 21 09:14:05 3po kernel: EIP:    0010:[fput+12/208]
Mar 21 09:14:05 3po kernel: EFLAGS: 00210282
Mar 21 09:14:05 3po kernel: eax: c6308b00   ebx: c6308b00   ecx: c3846d80 edx: c3dc9b01
Mar 21 09:14:05 3po kernel: esi: 00000000   edi: 40b21348   ebp: 00000000 esp: c209bf7c
Mar 21 09:14:05 3po kernel: ds: 0018   es: 0018   ss: 0018
Mar 21 09:14:05 3po kernel: Process xmms (pid: 20700, stackpage=c209b000)
Mar 21 09:14:05 3po kernel: Stack: c6308b00 fffffff7 40b21348 00001000 c01323a1 c3846d80 c3846d84 c3846d88 
Mar 21 09:14:05 3po kernel:        c3846d8c c3846d90 c3846d94 00000000 c0140262 c209a000 00001000 40b21348 
Mar 21 09:14:05 3po kernel:        bf1ffa04 c0108fc3 00000012 40b21348 00001000 00001000 40b21348 bf1ffa04 
Mar 21 09:14:05 3po kernel: Call Trace: [sys_write+193/208] [sys_ioctl+434/464] [system_call+51/64] 
Mar 21 09:14:05 3po kernel: 
Mar 21 09:14:05 3po kernel: Code: 8b 7d 08 ff 4b 14 0f 94 c0 84 c0 0f 84 a0 00 00 00 53 e8 9d 
Mar 21 09:14:05 3po kernel: Unable to handle kernel NULL pointer dereference at virtual address 00000000
Mar 21 09:14:05 3po kernel:  printing eip:
Mar 21 09:14:05 3po kernel: 00000000
Mar 21 09:14:05 3po kernel: *pde = 00000000
Mar 21 09:14:05 3po kernel: Oops: 0000
Mar 21 09:14:05 3po kernel: CPU:    0
Mar 21 09:14:05 3po kernel: EIP:    0010:[msr_exit+0/32]
Mar 21 09:14:05 3po kernel: EFLAGS: 00010207
Mar 21 09:14:05 3po kernel: eax: c0259200   ebx: 00000261   ecx: 000001f0 edx: c73514e4
Mar 21 09:14:05 3po kernel: esi: c136ee0c   edi: c106c3f0   ebp: fffffff2 esp: c5693f18
Mar 21 09:14:05 3po kernel: ds: 0018   es: 0018   ss: 0018
Mar 21 09:14:05 3po kernel: Process xmms (pid: 18851, stackpage=c5693000)
Mar 21 09:14:05 3po kernel: Stack: c01283a2 c781c1a0 c106c3f0 00000071 00000261 c5693f54 00000000 00000001 
Mar 21 09:14:05 3po kernel:        000001f0 00000071 00000000 00001071 00000000 c73514e4 c7351440 00000000 
Mar 21 09:14:05 3po kernel:        c3b0b000 00200286 c5692000 00000000 0000ea60 c781c1a0 ffffffea 00000000 
Mar 21 09:14:05 3po kernel: Call Trace: [generic_file_write+1170/1200] [sys_write+149/208] [system_call+51/64] 
Mar 21 09:14:05 3po kernel: 
Mar 21 09:14:05 3po kernel: Code:  Bad EIP value.