At the time of the panic, there were 25 ppp channels open.
I don't think it's flakey hardware. This machine runs for 15+ days on
1.2.13 and ppp 2.1.2 without panics, yet on 2.0.20 this panic came up
within the first 4 hours uptime.
general protection: 0000
CPU: 0
EIP: 0010:[<00182615>]
EFLAGS: 00010202
eax: 00000000 ebx: 00813024 ecx: 008b6e18 edx: fffffffc
esi: 00000004 edi: 008130f4 ebp: 00000021 esp: 001aac0c
ds: 0018 es: 0018 fs: 002b gs: 0018 ss: 0018
Process swapper (pid: 0, process nr: 0, stackpage=001a8d68)
Stack: 008130f4 00813024 0078075c 03aa9000 00000246 00182804 008130f4 00813024
00000000 00000001 0078075c 0081318c 008130f4 00138258 0078075c 008130f4
0078075c 0081318c 00000001 fffffffe 00000001 00000246 001384f2 0078075c
Call Trace: [<00182804>] [<00138258>] [<001384f2>] [<0013836f>] [<00138385>] [<0011533b>] [<0014dbd9>]
[<0010fe6a>] [<0014dbd9>] [<001095b4>] [<001095c4>] [<0010a462>] [<001092b4>] [<00109140>]
Code: c6 40 fc ff c6 40 fd 03 c6 40 fe 00 89 e9 88 48 ff 56 52 8b
Aiee, killing interrupt handler
kfree of non-kmalloced memory: 001aadb0, next= 00000000, order=0
kfree of non-kmalloced memory: 001aada0, next= 00000000, order=0
kfree of non-kmalloced memory: 001ab2b4, next= 00000000, order=0
idle task may not sleep
idle task may not sleep
idle task may not sleep
idle task may not sleep
idle task may not sleep
Using `../System.map' to map addresses to symbols.
>>EIP: 182615 <ppp_dev_xmit_ip+181/1ac>
Trace: 182804 <ppp_dev_xmit+d0/f8>
Trace: 138258 <do_dev_queue_xmit+190/1c0>
Trace: 1384f2 <dev_tint+6a/94>
Trace: 13836f <dev_transmit+1f/2c>
Trace: 138385 <net_bh+9/10c>
Trace: 11533b <do_bottom_half+3b/60>
Trace: 14dbd9 <ip_fw_chk+91/710>
Trace: 10fe6a <schedule+3a/288>
Trace: 14dbd9 <ip_fw_chk+91/710>
Trace: 1095b4 <sys_idle+5c/70>
Trace: 1095c4 <sys_idle+6c/70>
Trace: 10a462 <system_call+52/80>
Trace: 1092b4 <init>
Trace: 109140 <start_kernel+1a8/1b4>
Code: 182615 <ppp_dev_xmit_ip+181/1ac> movb $0xff,0xfffffffc(%eax)
Code: 182619 <ppp_dev_xmit_ip+185/1ac> movb $0x3,0xfffffffd(%eax)
Code: 18261d <ppp_dev_xmit_ip+189/1ac> movb $0x0,0xfffffffe(%eax)
Code: 182621 <ppp_dev_xmit_ip+18d/1ac> movl %ebp,%ecx
Code: 182623 <ppp_dev_xmit_ip+18f/1ac> movb %cl,0xffffffff(%eax)
Code: 182626 <ppp_dev_xmit_ip+192/1ac> pushl %esi
Code: 182627 <ppp_dev_xmit_ip+193/1ac> pushl %edx
Code: 182628 <ppp_dev_xmit_ip+194/1ac> movl (%eax),%eax
Code: 18262a <ppp_dev_xmit_ip+196/1ac> nop
Code: 18262b <ppp_dev_xmit_ip+197/1ac> nop
Code: 18262c <ppp_dev_xmit_ip+198/1ac> nop