Hello There is two "Oops" from user's space (pine,epic) programs. On 2.2.x kernels, on this machine, it had never happened. (2.4.5 #1 SMP Pentium III (Coppermine), 800MHz, RH 7.1, gcc 2.96) ksymoops 2.4.0 on i686 2.4.5. Options used -V (default) -k /proc/ksyms (default) -l /proc/modules (default) -o /lib/modules/2.4.5/ (default) -m /usr/src/linux/System.map (specified) Warning (compare_maps): ksyms_base symbol __VERSIONED_SYMBOL(shmem_file_setup) not found in System.map. Ignoring ksyms_base entry May 24 22:46:17 oceanic kernel: Unable to handle kernel NULL pointer May 24 22:46:17 oceanic kernel: c0106c28 May 24 22:46:17 oceanic kernel: *pde = 00000000 May 24 22:46:17 oceanic kernel: Oops: 0000 May 24 22:46:17 oceanic kernel: CPU: 0 May 24 22:46:17 oceanic kernel: EFLAGS: 00010286 May 24 22:46:17 oceanic kernel: eax: 00000000 ebx: ce702000 ecx: 00000000 edx: ce702000 May 24 22:46:17 oceanic kernel: esi: 00000016 edi: 00000016 ebp: 00006b19 esp: ce703f28 May 24 22:46:17 oceanic kernel: ds: 0018 es: 0018 ss: 0018 May 24 22:46:17 oceanic kernel: Process epic (pid: 27417, stackpage=ce703000) May 24 22:46:17 oceanic kernel: Stack: ce702640 ce703fc4 00000016 00000000 00000080 00000000 00000000 c01476dc May 24 22:46:17 oceanic kernel: e4bbc0c0 c02b0b18 dc7a91c0 dc7a91c0 db843000 bfffc484 db843000 00005403 May 24 22:46:17 oceanic kernel: c018ad42 db843000 bfffc484 00000002 bfffc484 c010876e 00000001 c0301068 May 24 22:46:17 oceanic kernel: Call Trace: [<c01476dc>] [<c018ad42>] [<c010876e>] [<c01434f9>] [<c0106e5c>] May 24 22:46:17 oceanic kernel: Code: f6 80 48 01 00 00 01 75 0a 6a 11 52 e8 c7 7a 01 00 5e 5f e8 Using defaults from ksymoops -t elf32-i386 -a i386 Trace; c01476dc <d_prune_aliases+8c/a0> Trace; c018ad42 <initialize_tty_struct+162/190> Trace; c010876e <handle_IRQ_event+5e/90> Trace; c01434f9 <old_readdir+19/60> Trace; c0106e5c <signal_return+14/18> Code; 00000000 Before first symbol 00000000 <_EIP>: Code; 00000000 Before first symbol 0: f6 80 48 01 00 00 01 testb $0x1,0x148(%eax) Code; 00000007 Before first symbol 7: 75 0a jne 13 <_EIP+0x13> 00000013 Before first symbol Code; 00000009 Before first symbol 9: 6a 11 push $0x11 Code; 0000000b Before first symbol b: 52 push %edx Code; 0000000c Before first symbol c: e8 c7 7a 01 00 call 17ad8 <_EIP+0x17ad8> 00017ad8 Before first symbol Code; 00000011 Before first symbol 11: 5e pop %esi Code; 00000012 Before first symbol 12: 5f pop %edi Code; 00000013 Before first symbol 13: e8 00 00 00 00 call 18 <_EIP+0x18> 00000018 Before first symbol 1 warning issued. Results may not be reliable. ksymoops 2.4.0 on i686 2.4.5. Options used -V (default) -k /proc/ksyms (default) -l /proc/modules (default) -o /lib/modules/2.4.5/ (default) -m /usr/src/linux/System.map (specified) Warning (compare_maps): ksyms_base symbol __VERSIONED_SYMBOL(shmem_file_setup) not found in System.map. Ignoring ksyms_base entry May 30 17:47:59 oceanic kernel: Unable to handle kernel NULL pointer dereference at virtual address 00000148 May 30 17:47:59 oceanic kernel: c0106c28 May 30 17:47:59 oceanic kernel: *pde = 00000000 May 30 17:47:59 oceanic kernel: Oops: 0000 May 30 17:47:59 oceanic kernel: CPU: 0 May 30 17:47:59 oceanic kernel: EIP: 0010:[<c0106c28>] Using defaults from ksymoops -t elf32-i386 -a i386 May 30 17:47:59 oceanic kernel: EFLAGS: 00010286 May 30 17:47:59 oceanic kernel: eax: 00000000 ebx: ddb40000 ecx: 00000000 edx: ddb40000 May 30 17:47:59 oceanic kernel: esi: 00000016 edi: 00000016 ebp: 0000461f esp: ddb41f28 May 30 17:47:59 oceanic kernel: ds: 0018 es: 0018 ss: 0018 May 30 17:47:59 oceanic kernel: Process pine (pid: 17951, stackpage=ddb41000) May 30 17:47:59 oceanic kernel: Stack: ddb40640 ddb41fc4 00000016 00000000 00000080 00000000 00000000 ecdb84e0 May 30 17:47:59 oceanic kernel: ecdb8500 d45f3f60 00000000 4001e000 c018cf60 00000000 dbf26b60 00000282 May 30 17:47:59 oceanic kernel: d967d000 f4ef78a0 ffffffea 00000000 0000003e f4ef78a0 fffffe00 00000000 May 30 17:47:59 oceanic kernel: Call Trace: [<c018cf60>] [<c0134132>] [<c0106e5c>] May 30 17:47:59 oceanic kernel: Code: f6 80 48 01 00 00 01 75 0a 6a 11 52 e8 37 7a 01 00 5e 5f e8 >>EIP; c0106c28 <do_signal+1b8/2b0> <===== Trace; c018cf60 <write_chan+0/210> Trace; c0134132 <sys_write+c2/d0> Trace; c0106e5c <signal_return+14/18> Code; c0106c28 <do_signal+1b8/2b0> 00000000 <_EIP>: Code; c0106c28 <do_signal+1b8/2b0> <===== 0: f6 80 48 01 00 00 01 testb $0x1,0x148(%eax) <===== Code; c0106c2f <do_signal+1bf/2b0> 7: 75 0a jne 13 <_EIP+0x13> c0106c3b <do_signal+1cb/2b0> Code; c0106c31 <do_signal+1c1/2b0> 9: 6a 11 push $0x11 Code; c0106c33 <do_signal+1c3/2b0> b: 52 push %edx Code; c0106c34 <do_signal+1c4/2b0> c: e8 37 7a 01 00 call 17a48 <_EIP+0x17a48> c011e670 <notify_parent+0/30> Code; c0106c39 <do_signal+1c9/2b0> 11: 5e pop %esi Code; c0106c3a <do_signal+1ca/2b0> 12: 5f pop %edi Code; c0106c3b <do_signal+1cb/2b0> 13: e8 00 00 00 00 call 18 <_EIP+0x18> c0106c40 <do_signal+1d0/2b0> 1 warning issued. Results may not be reliable. -- *[ Łukasz Trąbiński ]* SysAdmin @wsisiz.edu.pl - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/