[j-nsp] BAD_PAGE_FAULT

[Eric Shih (TP/ERT)]

Hello experts,

Recently, our M20(JUNOS6.4) got more and more BAD_PAGE_FAULT warning
messages. Is there something wrong with the system ?


Apr 17 12:31:30 2006  tp /kernel: BAD_PAGE_FAULT: pid 69105 (ftp), uid
0: pc 0x30303a30 got a read fault at 0x30303a30, x86 fault flags = 0x4
Apr 17 12:31:30 2006  tp /kernel: Trapframe Register Dump:
Apr 17 12:31:30 2006  tp /kernel: eax: 00000000       ecx: 0807ab00
edx: 0807ab00   ebx: bfbff338
Apr 17 12:31:30 2006  tp /kernel: esp: bfbff11c       ebp: 30bff144
esi: 00000400   edi: 00000400
Apr 17 12:31:30 2006  tp /kernel: eip: 30303a30       eflags: 00010246
Apr 17 12:31:30 2006  tp /kernel: cs: 001f    ss: 002f        ds: 002f
es: 002f
Apr 17 12:31:30 2006  tp /kernel: fs: 002f    trapno: 0000000c
err: 00000004
Apr 17 12:31:30 2006  tp /kernel: PC address 0x30303a30 is inaccessible,
PDE = 0x0, PTE = 0x0                      
Apr 17 13:05:31 2006  tp /kernel: BAD_PAGE_FAULT: pid 70036 (ftp), uid
0: pc 0x37202020 got a read fault at 0x37202020, x86 fault flags = 0x4
Apr 17 13:05:31 2006  tp /kernel: Trapframe Register Dump:

Apr 17 13:05:31 2006  tp /kernel: eax: 00000000       ecx: 0807ab00
edx: 0807ab00   ebx: bfbff338                
Apr 17 13:05:31 2006  tp /kernel: esp: bfbff11c       ebp: bfbff144
esi: 00000400   edi: 00000400                
Apr 17 13:05:31 2006  tp /kernel: eip: 37202020       eflags: 00010246

Apr 17 13:05:31 2006  tp /kernel: cs: 001f    ss: 002f        ds: 002f
es: 002f                             
Apr 17 13:05:31 2006  tp /kernel: fs: 002f    trapno: 0000000c
err: 00000004                                
Apr 17 13:05:31 2006  tp /kernel: PC address 0x37202020 is inaccessible,
PDE = 0x0, PTE = 0x0                      
Apr 17 13:06:10 2006  tp /kernel: BAD_PAGE_FAULT: pid 70045 (ftp), uid
0: pc 0x20333937 got a read fault at 0x20333937, x86 fault flags = 0x4
Apr 17 13:06:10 2006  tp /kernel: Trapframe Register Dump:

Apr 17 13:06:10 2006  tp /kernel: eax: 00000000       ecx: 0807ab00
edx: 0807ab00   ebx: bfbff338                
Apr 17 13:06:10 2006  tp /kernel: esp: bfbff11c       ebp: 20202044
esi: 00000400   edi: 00000400                
Apr 17 13:06:10 2006  tp /kernel: eip: 20333937       eflags: 00010246

Apr 17 13:06:10 2006  tp /kernel: cs: 001f    ss: 002f        ds: 002f
es: 002f                             
Apr 17 13:06:10 2006  tp /kernel: fs: 002f    trapno: 0000000c
err: 00000004                                
Apr 17 13:06:10 2006  tp /kernel: PC address 0x20333937 is inaccessible,
PDE = 0x0, PTE = 0x0                      
Apr 17 13:07:31 2006  tp /kernel: BAD_PAGE_FAULT: pid 70050 (ftp), uid
0: pc 0x20303737 got a read fault at 0x20303737, x86 fault flags = 0x4
Apr 17 13:07:31 2006  tp /kernel: Trapframe Register Dump:

Apr 17 13:07:31 2006  tp /kernel: eax: 00000000       ecx: 0807ab00
edx: 0807ab00   ebx: bfbff338                
Apr 17 13:07:31 2006  tp /kernel: esp: bfbff11c       ebp: 20202044
esi: 00000400   edi: 00000400                
Apr 17 13:07:31 2006  tp /kernel: eip: 20303737       eflags: 00010246

Apr 17 13:07:31 2006  tp /kernel: cs: 001f    ss: 002f        ds: 002f
es: 002f                             
Apr 17 13:07:31 2006  tp /kernel: fs: 002f    trapno: 0000000c
err: 00000004                                
Apr 17 13:07:31 2006  tp /kernel: PC address 0x20303737 is inaccessible,
PDE = 0x0, PTE = 0x0                      
Apr 17 13:08:01 2006  tp /kernel: BAD_PAGE_FAULT: pid 70051 (ftp), uid
0: pc 0x20393737 got a read fault at 0x20393737, x86 fault flags = 0x4
Apr 17 13:08:01 2006  tp /kernel: Trapframe Register Dump:

Apr 17 13:08:01 2006  tp /kernel: eax: 00000000       ecx: 0807ab00
edx: 0807ab00   ebx: bfbff338                
Apr 17 13:08:01 2006  tp /kernel: esp: bfbff11c       ebp: 20202044
esi: 00000400   edi: 00000400                
Apr 17 13:08:01 2006  tp /kernel: eip: 20393737       eflags: 00010246

Apr 17 13:08:01 2006  tp /kernel: cs: 001f    ss: 002f        ds: 002f
es: 002f                             
Apr 17 13:08:01 2006  tp /kernel: fs: 002f    trapno: 0000000c
err: 00000004                                
Apr 17 13:08:01 2006  tp /kernel: PC address 0x20393737 is inaccessible,
PDE = 0x0, PTE = 0x0                      
Apr 17 13:08:31 2006  tp /kernel: BAD_PAGE_FAULT: pid 70055 (ftp), uid
0: pc 0x30303a30 got a read fault at 0x30303a30, x86 fault flags = 0x4
Apr 17 13:08:31 2006  tp /kernel: Trapframe Register Dump: