Hi,
My redhat6.2 + qmail(rpm) box was panic and I saw this line in syslog.
Oct 10 15:36:12 member kernel: Bad pmd in pte_alloc: 448b5008
Oct 10 15:36:12 member kernel: VM: killing process qmail-local
Oct 10 15:36:12 member kernel: Unable to handle kernel paging request at
virtual address 1309a3ce
Oct 10 15:36:12 member kernel: current->tss.cr3 = 154ea000, %cr3 = 154ea000
Oct 10 15:36:12 member kernel: *pde = 00000000
Oct 10 15:36:12 member kernel: Oops: 0002
Oct 10 15:36:12 member kernel: CPU: 0
Oct 10 15:36:12 member kernel: EIP: 0010:[move_addr_to_kernel+30/56]
Oct 10 15:36:12 member kernel: EFLAGS: 00010202
Oct 10 15:36:12 member kernel: eax: 1309a3ce ebx: cddcdf6c ecx: d8b43f10
edx: 00000003
Oct 10 15:36:12 member kernel: esi: d8b43f14 edi: 0000006e ebp: bffffa6c
esp: d8b43ef8
Oct 10 15:36:12 member kernel: ds: 0018 es: 0018 ss: 0018
Oct 10 15:36:12 member kernel: Process ls (pid: 23074, process nr: 145,
stackpage=d8b43000)
Oct 10 15:36:12 member kernel: Stack: bffff9fc 0000006e d8b43f14 00000002
00000003 4010cd60 00000000 000002a8
Oct 10 15:36:12 member kernel: cddcdf6c c6a17a00 c0173a14 c0173a74
00000282 00000000 00000000 cddcded0
Oct 10 15:36:12 member kernel: c01308a0 df4ca800 c01df0a4 00000001
00000000 cddcded0 df4ca7a0 cddcded0
Oct 10 15:36:12 member kernel: Call Trace: [unix_create1+60/163]
[unix_create1+156/163] [d_alloc+110/279][cprt+388/23488]
[d_alloc_root+49/57] [get_fd+53/147] [sys_socket+51/115]
Oct 10 15:36:12 member kernel: [sys_socketcall+130/440]
[error_code+45/52] [system_call+52/56]
Oct 10 15:36:12 member kernel: Code: 10 00 24 14 50 e8 0d b7 08 00 83 c4 0c
85 c0 74 06 b8 f2 ff
What should I do ? It happen 2 times a month. Do I have a problem with my
RAM ? (I use 512Mb)
I also got this from the syslog.please help me.
Oct 10 22:10:18 member kernel: Uhhuh. NMI received. Dazed and confused, but
trying to continue
Oct 10 22:10:18 member kernel: You probably have a hardware problem with
your RAM chips
Joomy.
