On Feb 18, 12:44am, michaelv@HeadCandy.com ("Michael L. VanLoon -- HeadCandy.com") wrote:
-- Subject: ppp panics - help

| 
| Ever since supping a few days ago, my machine gets a page fault trap
| when I try to connect to my ISP via ppp.  A kernel built 2/11/96
| doesn't do this.  I supped on 2/15 (started 16:28 PST; finished 17:18
| PST), and built a new kernel.  I just tried it today, and had this
| problem.  I resupped today (started 22:50 PST; finished 23:23), built
| a new kernel, and had exactly the same failure.  My 2/11 kernel still
| works correctly.  The ppp sources have been touched recently, which
| leads me to believe that may be the source of the trouble.
| 
| The modem dials correctly, and ppp even negotiates and completes the
| connection, bringing IP up fully.  Shortly (a few seconds) after that,
| the machine panics with this:
| 
| vm_fault(f87e7600, 0, 1, 0) -> 1
| kernel: page fault trap, code = 0
| Stopped at	_idp_ctlinput + 0x37:	cmpb $0x6, 0x1(%edx)
| 
| Trace revealed:
| _idp_ctlinput(0, f875ef24, 0) at _idp_ctlinput + 0x37
| _pfctlinput(0, f875ef24) at _pfctlinput + 0x2c
| _ifioctl(f87e8100, 80206910, f9c29ec0, f87e8800, 0) at _ifioctl + 0x12a
| _soo_ioctl(...) + 0x128
| _sys_ioctl(...) + 0x355
| _syscall() + 0x297
| --- syscall (number 54) ---
| 0x10081c4b:
| 
| My kernel is built with gcc 2.7.2 (stock current gcc), and with "-O6
| -fno-strength-reduce -m486 -pipe" options.
| 
| I noticed that the ppp files in /sys/net/ have been touched recently.
| Can anyone shed any light on what was changed, and why they might have
| broken?  Thanks.

This has been fixed, sup again and it should work.

hristos