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Date: Sun, 03 Jun 2001 07:36:45 -0500
From: Marvin Stodolsky <stodolsk@rcn.com>
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To: Tomas Garcia Ferrari <tgf@bigital.com>
CC: Linmodems <discuss@linmodems.org>
Subject: Redhat team,- RH 6.2 - ppp problem
References: <B73FD7CE.96F%tgf@bigital.com>
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Tomas

Congratulations are getting through the compile. On the residual issues.
1) ltmodem.o & ltserial.o are the driver namer corresponding to sources
in Agere Systems original linux599.zip.  They use a real node: =

/dev/ttyS14 c 62 78
The ltmodem-5.99b.tar.gz kit has several enhacement., Its compiled
drivers are named lt_modem.o and lt_serial.o are the drivers compiled
form it and they use a real node:
/dev/ttyLT0
2) A symbolic link  is  /dev/ttyS14 --> /dev/ttyLT0 is needed for using
wvdailconf. It is better eliminated afterward as a safety measure, and
/dev/ttyLT0 should be specified in the dialout scripts.  This may be
contributing to your problem:

> Jun  2 09:30:33 extensa pppd[1433]: Connect: ppp0 <--> /dev/ttyS14
> Jun  2 09:30:33 extensa kernel: Unable to handle kernel paging request =
at
> virtual address 60000000
3) Also check that you are using the more recent version of ppp
compatible with Redhat 6.2

The Redhat testers can probaly help.

marvS

> Garcia Ferrari wrote:
> =

> Hello,
> =

> Thank you all, people. Finally I got my modem to works (I'm using RedHa=
t 6.2
> (kernel 2.2.19-6.2.1) on an Acer Extensa 501T laptop.) The modem dials =
out
> and get connected! Which info is important to let other people know? I =
am
> confuse now with different drivers (ltmodem or lt_modem?)...
> =

> My problem now is that pppd (ppp-2.4.0-2) is freezing whith this messag=
es:
> =

> > Jun  2 09:30:33 extensa kernel: registered device ppp0
> > Jun  2 09:30:33 extensa pppd[1433]: pppd 2.4.0 started by root, uid 0=

> > Jun  2 09:30:33 extensa pppd[1433]: Using interface ppp0
> > Jun  2 09:30:33 extensa pppd[1433]: Connect: ppp0 <--> /dev/ttyS14
> > Jun  2 09:30:33 extensa kernel: Unable to handle kernel paging reques=
t at
> > virtual address 60000000
> > Jun  2 09:30:33 extensa kernel: current->tss.cr3 =3D 02004000, %%cr3 =
=3D 02004000
> > Jun  2 09:30:33 extensa kernel: *pde =3D 00000000
> > Jun  2 09:30:33 extensa kernel: Oops: 0002
> > Jun  2 09:30:33 extensa kernel: CPU:    0
> > Jun  2 09:30:33 extensa kernel: EIP:    0010:[<c60927a1>]
> > Jun  2 09:30:33 extensa kernel: EFLAGS: 00010012
> > Jun  2 09:30:33 extensa kernel: eax: 00000fff   ebx: 0000002d   ecx: =
0000000b
> > edx: 00001000
> > Jun  2 09:30:33 extensa kernel: esi: c2099638   edi: 60000000   ebp: =
c2099400
> > esp: c2175ecc
> > Jun  2 09:30:33 extensa kernel: ds: 0018   es: 0018   ss: 0018
> > Jun  2 09:30:33 extensa kernel: Process pppd (pid: 1433, process nr: =
69,
> > stackpage=3Dc2175000)
> > Jun  2 09:30:33 extensa kernel: Stack: 00000001 c2099400 00000286 000=
00000
> > c6026f34 c22f6000 00000000 c2099638
> > Jun  2 09:30:33 extensa kernel:        0000002d c2099400 c51333a0 c5b=
8a0c0
> > c6026e5c c2099400 0000c021 c6029139
> > Jun  2 09:30:33 extensa kernel:        c2099400 c5b8a0c0 c2099420 c20=
99400
> > c2099420 c51333a0 00000018 c6029437
> > Jun  2 09:30:33 extensa kernel: Call Trace:
> > [ppp:__insmod_ppp_S.text_L16184+3796/15808]
> > [ppp:__insmod_ppp_S.text_L16184+3580/15808]
> > [ppp:__insmod_ppp_S.text_L16184+12505/15808]
> > [ppp:__insmod_ppp_S.text_L16184+13271/15808]
> > [ppp:__insmod_ppp_S.text_L16184+1623/15808] [tty_write+448/516]
> > [ppp:__insmod_ppp_S.text_L16184+1372/15808]
> > Jun  2 09:30:33 extensa kernel:        [sys_write+228/276] [tty_write=
+0/516]
> > [system_call+52/56]
> > Jun  2 09:30:33 extensa kernel: Code: f3 a5 f6 c3 02 74 02 66 a5 f6 c=
3 01 74
> > 01 a4 89 d8 03 45 5c
> > Jun  2 09:30:33 extensa kernel: Unable to handle kernel NULL pointer
> > dereference at virtual address 00000014
> > Jun  2 09:30:33 extensa kernel: current->tss.cr3 =3D 00101000, %%cr3 =
=3D 00101000
> > Jun  2 09:30:33 extensa kernel: *pde =3D 00000000
> > Jun  2 09:30:33 extensa kernel: Oops: 0000
> > Jun  2 09:30:33 extensa kernel: CPU:    0
> > Jun  2 09:30:33 extensa kernel: EIP:    0010:[<c6093c78>]
> > Jun  2 09:30:33 extensa kernel: EFLAGS: 00010286
> > Jun  2 09:30:33 extensa kernel: eax: c22f6000   ebx: 00000000   ecx: =
c22f6000
> > edx: c22f6000
> > Jun  2 09:30:33 extensa kernel: esi: c22f6000   edi: c22f6100   ebp: =
00000002
> > esp: c2175dcc
> > Jun  2 09:30:33 extensa kernel: ds: 0018   es: 0018   ss: 0018
> > Jun  2 09:30:33 extensa kernel: Process pppd (pid: 1433, process nr: =
69,
> > stackpage=3Dc2175000)
> > Jun  2 09:30:33 extensa kernel: Stack: c01abf71 c22f6000 c22f6000 000=
00599
> > c2174000 00000001 c22f6000 00000000
> > Jun  2 09:30:33 extensa kernel:        c01abfbd c22f6000 c01ac02f c22=
f6000
> > 00000000 c2174000 c2174000 c2174000
> > Jun  2 09:30:33 extensa kernel:        c01198c3 00000001 00000296 c21=
74000
> > c21b53c0 00000001 c0119af6 c2175e90
> > Jun  2 09:30:33 extensa kernel: Call Trace: [do_tty_hangup+637/648]
> > [tty_vhangup+9/16] [disassociate_ctty+87/208] [exit_notify+463/472]
> > [do_exit+554/624] [die+53/56] [error_table+2646/10208]
> > Jun  2 09:30:33 extensa kernel:        [error_table+9838/10208]
> > [do_page_fault+699/952] [error_table+9838/10208] [do_page_fault+0/952=
]
> > [error_code+53/64] [<c60927a1>] [ppp:__insmod_ppp_S.text_L16184+3796/=
15808]
> > [ppp:__insmod_ppp_S.text_L16184+3580/15808]
> > Jun  2 09:30:33 extensa kernel:
> > [ppp:__insmod_ppp_S.text_L16184+12505/15808]
> > [ppp:__insmod_ppp_S.text_L16184+13271/15808]
> > [ppp:__insmod_ppp_S.text_L16184+1623/15808] [tty_write+448/516]
> > [ppp:__insmod_ppp_S.text_L16184+1372/15808] [sys_write+228/276]
> > [tty_write+0/516] [system_call+52/56]
> > Jun  2 09:30:33 extensa kernel: Code: 8b 73 14 50 e8 bb eb ff ff 53 e=
8 19 e3
> > ff ff c7 43 40 00 00
> =

> Any advice?
> Thanks,
> Tom=E1s
> =

> +--                             --+
>     Tom=E1s Garc=EDa Ferrari
>     Bigital
>     http://bigital.com/
> +--                             --+

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Last modified: Wed Jul 30 11:02:43 EDT 2003