Re: Problems with ppp (or pccard???)
* Marcio Rosa da Silva <marcio@exatas.unisinos.br> [000709 23:43]:
> I was using my notebook (Toshiba Satellite 2100CDS) at home (via ppp) and
> at work (via eth0). I have a ethernet pccard and my modem is a Lucent
> WinModem (which has a driver for Linux -- ltmodm.o).
Hi, Marcio
My laptop is a Toshiba Sat 2540CDS, with a similar (i think so) internal
winmodem; sometime ago i did try this binary module (releases 5.65a and
5.68) with slink and kernels from 2.2.11 to 2.2.16. At first i got 3-4
succesful ppp connects, but then i got my first kernel Oops :(
I don't know what the problem is (my logs didn't show nothing useful, at
least for me :), but i don't remember any relation with pcmcia (like
you, i'm using an ethernet pccard). Anyway, this is from my last Oops:
Jun 12 21:00:10 localhost kernel: CSLIP: code copyright 1989 Regents of the University of California
Jun 12 21:00:10 localhost kernel: PPP: version 2.3.7 (demand dialling)
Jun 12 21:00:10 localhost kernel: PPP line discipline registered.
Jun 12 21:00:10 localhost kernel: Lucent Modem driver version 4.27.5.66 with MANY_PORTS MULTIPORT SHARE_IRQ enabled
Jun 12 21:00:10 localhost kernel: ttyS14 at 0x1c00 (irq = 3) is a Lucent
Jun 12 21:00:11 localhost kernel: registered device ppp0
Jun 12 21:00:11 localhost kernel: Unable to handle kernel NULL pointer dereference at virtual address 000005f4
Jun 12 21:00:11 localhost kernel: current->tss.cr3 = 01fce000, %cr3 = 01fce000
Jun 12 21:00:11 localhost kernel: *pde = 00000000
Jun 12 21:00:11 localhost kernel: Oops: 0000
Jun 12 21:00:11 localhost kernel: CPU: 0
Jun 12 21:00:11 localhost kernel: EIP: 0010:[<c690cbb1>]
Jun 12 21:00:11 localhost kernel: EFLAGS: 00010286
Jun 12 21:00:11 localhost kernel: eax: 000005dc ebx: 7fffffff ecx: c5266000 edx: 00000282
Jun 12 21:00:11 localhost kernel: esi: c46ba000 edi: 7fffffff ebp: 00005423 esp: c46bbf4c
Jun 12 21:00:11 localhost kernel: ds: 0018 es: 0018 ss: 0018
Jun 12 21:00:11 localhost kernel: Process pppd (pid: 2001, process nr: 47, stackpage=c46bb000)
Jun 12 21:00:11 localhost kernel: Stack: c18a7000 00005423 c017b194 c18a7000 7fffffff c18a7000 bffff3bc c18a7000
Jun 12 21:00:11 localhost kernel: c46ba000 c18a7964 c01785a9 c18a7000 00000000 c20d0020 ffffffe7 00005423
Jun 12 21:00:11 localhost kernel: bffff3bc c012e230 c5718990 c20d0020 00005423 bffff3bc c46ba000 bffff3bc
Jun 12 21:00:11 localhost kernel: Call Trace: [tty_wait_until_sent+140/200] [tty_ioctl+449/1096] [sys_ioctl+420/444] [tty_ioctl+0/1096] [system_call+52/56]
Jun 12 21:00:11 localhost kernel: Code: 83 78 18 00 0f 84 99 00 00 00 8b 71 10 85 f6 0f 84 8e 00 00
> When I use pon (configured with pppconfig) the system calls the ISP and in
> the authentication phase it hangs up. (see the log).
Sometimes, i got the same thing at some random point during the
connection.
> Another problem is this starts to happen with the ide:
>
> Jul 9 15:04:11 brain kernel: ide1: unexpected interrupt, status=0x51, count=1
I think this is not related; i guess ide1 is your cdrom: it's a known
problem with apm you can live with (i do...).
> If I try to use ppp again, nothing happens (the system doesn't dials
> again).
Do you want to dial again after the kernel Oops? I think you will be
very lucky if the system don't hung and you can shutdown the machine.
> I'm sending this to -laptop list because I think the problem is with
> pcmcia drivers (as suggests the log).
I don't know if the problem is with the pcmcia drivers; for sure, the
problem is an stupid closed device with no public specifications, and a
binary only module with no code to see what is wrong.
If you can, get a pcmcia modem card...
--
David
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