[pptp-server] Kernel Freeze

[James B. MacLean]

Hi Folks,

I have had an SMP machine freeze with the trace attached. Though everyone
might enjoy it :).

Cheers,
JES
--
James B. MacLean        macleajb at ednet.ns.ca
Department of Education http://www.ednet.ns.ca/~macleajb
Nova Scotia, Canada
B3M 4B2
-------------- next part --------------
WARNING: This version of ksymoops is obsolete.
WARNING: The current version can be obtained from ftp://ftp.ocs.com.au/pub/ksymoops
Options used: -V (default)
              -o /lib/modules/2.2.11/ (default)
              -k /proc/ksyms (default)
              -l /proc/modules (default)
              -m /boot/System.map (specified)
              -c 1 (default)

Aug 15 10:31:45 linux kernel: Unable to handle kernel NULL pointer dereference at virtual address 00000070 
Aug 15 10:31:45 linux kernel: current->tss.cr3 = 009d9000, %cr3 = 009d9000 
Aug 15 10:31:45 linux kernel: *pde = 00000000 
Aug 15 10:31:45 linux kernel: Oops: 0002 
Aug 15 10:31:45 linux kernel: CPU:    1 
Aug 15 10:31:45 linux kernel: EIP:    0010:[<c88a11fe>] 
Aug 15 10:31:45 linux kernel: EFLAGS: 00010286 
Aug 15 10:31:45 linux kernel: eax: 00000080   ebx: 000000c7   ecx: c7400400   edx: 00000000 
Aug 15 10:31:45 linux kernel: esi: c740065f   edi: c7400448   ebp: c7400448   esp: c1acdeb8 
Aug 15 10:31:45 linux kernel: ds: 0018   es: 0018   ss: 0018 
Aug 15 10:31:45 linux kernel: Process pptpctrl (pid: 17181, process nr: 39, stackpage=c1acd000) 
Aug 15 10:31:45 linux kernel: Stack: c5466000 00000000 ffffc7f2 00000016 c7400448 00000000 c2f5c500 c740072a  
Aug 15 10:31:45 linux kernel:        0000002f c88a0ed4 c7400400 c7400400 c5466000 c5456000 c1acdf8c c88a0aeb  
Aug 15 10:31:45 linux kernel:        c7400400 c5466000 c5456000 c01c653a c5466000 00000000 00000000 c01bdf7e  
Aug 15 10:31:45 linux kernel: Call Trace: [<c88a0ed4>] [<c88a0aeb>] [pty_unthrottle+38/72] [check_unthrottle+42/48] [read_chan+1526/1808] [do_select+529/572] [tty_read+176/208]  

>>EIP: c88a11fe <END_OF_CODE+c0c2/????>
Trace: c88a0ed4 <END_OF_CODE+bd98/????>
Trace: c88a0aeb <END_OF_CODE+b9af/????>

Aug 15 10:31:45 linux kernel: Code: f0 ff 4a 70 0f 94 c0 84 c0 74 09 52 e8 b1 8c 8c f7 83 c4 04  

Code:  c88a11fe <END_OF_CODE+c0c2/????>        00000000 <_EIP>: <===
Code:  c88a11fe <END_OF_CODE+c0c2/????>           0:	f0 ff 4a 70          	lock decl 0x70(%edx) <===
Code:  c88a1202 <END_OF_CODE+c0c6/????>           4:	0f 94 c0             	sete   %l
Code:  c88a1205 <END_OF_CODE+c0c9/????>           7:	84 c0                	testb  %al,%al
Code:  c88a1207 <END_OF_CODE+c0cb/????>           9:	74 09                	je      c88a1212 <END_OF_CODE+c0d6/????>
Code:  c88a1209 <END_OF_CODE+c0cd/????>           b:	52                   	pushl  %edx
Code:  c88a120a <END_OF_CODE+c0ce/????>           c:	e8 b1 8c 8c f7       	call    c0169ec0 <__kfree_skb+0/a8>
Code:  c88a120f <END_OF_CODE+c0d3/????>          11:	83 c4 04             	addl   $0x4,%esp


4 warnings issued.  Results may not be reliable.