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Date: Sat, 10 Aug 2002 15:29:56 -0400
From: Blaise <jblaiseg@bellsouth.net>
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To: linux-kernel@vger.kernel.org
Subject: actiontec PCI call waiting modem not responding with kernels 2.4.7+,
 2.4.6 is ok though..
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            here we go..

1 Problem    : Not able to init modem..

2 Desc        : Worked fine till 2.4.7..

3 Keywords    : PCI Modem

4 Kernel version

    Working    : Linux version 2.4.6 (root@core) (gcc version 2.95.3 
20010315 (SuSE)) #1 Wed Jan 16 14:46:28 EST 2002
     Not working: Linux version 2.4.7 (root@core) (gcc version 2.95.3 
20010315 (SuSE)) #1 Wed Jan 16 14:46:28 EST 2002

5 Oops        : No oops..

6 Recreatable error script : N/A

7.1 Environment    :

    output of ver_linux script

        <snip>

Linux core 2.4.6 #1 Wed Jan 16 14:46:28 EST 2002 i586 unknown

Gnu C                  2.95.3
Gnu make               3.79.1
binutils               2.10.91.0.4
util-linux             2.11b
mount                  2.11b
modutils               2.4.5
e2fsprogs              1.19
reiserfsprogs          3.x.0j
pcmcia-cs              3.1.25
PPP                    2.4.0
isdn4k-utils           3.1pre1a
Linux C Library        x    1 root     root      1343073 May 11  2001 
/lib/libc.so.6
Dynamic linker (ldd)   2.2.2
Procps                 2.0.7
Net-tools              1.60
Kbd                    1.04
Sh-utils               2.0

        <snip>

7.2 CPU info    : cat of /proc/cpuinfo

        <snip>

processor       : 0
vendor_id       : AuthenticAMD
cpu family      : 5
model           : 8
model name      : AMD-K6(tm) 3D processor
stepping        : 12
cpu MHz         : 501.151
cache size      : 64 KB
fdiv_bug        : no
hlt_bug         : no
f00f_bug        : no
coma_bug        : no
fpu             : yes
fpu_exception   : yes
cpuid level     : 1
wp              : yes
flags           : fpu vme de pse tsc msr mce cx8 pge mmx syscall 3dnow 
k6_mtrr
bogomips        : 999.42

        <snip>

7.3 module info : none

7.4 Loaded driver and hardware information

    from 2.4.6 (working)
    (/proc/ioports)

        <snip>

0000-001f : dma1
0020-003f : pic1
0040-005f : timer
0060-006f : keyboard
0070-007f : rtc
0080-008f : dma page reg
00a0-00bf : pic2
00c0-00df : dma2
00f0-00ff : fpu
0170-0177 : ide1
01f0-01f7 : ide0
0376-0376 : ide1
03c0-03df : vesafb
03f6-03f6 : ide0
0cf8-0cff : PCI conf1
6000-60ff : VIA Technologies, Inc. VT82C586B ACPI
c000-cfff : PCI Bus #01
d000-d00f : VIA Technologies, Inc. Bus Master IDE
  d000-d007 : ide0
  d008-d00f : ide1
d400-d41f : VIA Technologies, Inc. UHCI USB
d800-d87f : 3Com Corporation 3cSOHO100-TX Hurricane
  d800-d87f : 00:08.0
dc00-dcff : Lucent Microelectronics Venus Modem (V90, 56KFlex)
  dc00-dc07 : serial(set)
e000-e0ff : Lucent Microelectronics Venus Modem (V90, 56KFlex)
e400-e407 : Lucent Microelectronics Venus Modem (V90, 56KFlex)

        <snip>

    (/proc/iomem)

        <snip>

00000000-0009fbff : System RAM
0009fc00-0009ffff : reserved
000a0000-000bffff : Video RAM area
000c0000-000c7fff : Video ROM
000f0000-000fffff : System ROM
00100000-03feffff : System RAM
  00100000-0023776f : Kernel code
  00237770-002a571b : Kernel data
03ff0000-03ff07ff : ACPI Non-volatile Storage
03ff0800-03ffffff : ACPI Tables
e0000000-e3ffffff : VIA Technologies, Inc. VT82C597 [Apollo VP3]
e4000000-e5ffffff : PCI Bus #01
  e4000000-e4ffffff : nVidia Corporation Riva TnT 128 [NV04]
e6000000-e6ffffff : PCI Bus #01
  e6000000-e6ffffff : nVidia Corporation Riva TnT 128 [NV04]
    e6000000-e6fbffff : vesafb
e8000000-e800007f : 3Com Corporation 3cSOHO100-TX Hurricane
e8001000-e80010ff : Lucent Microelectronics Venus Modem (V90, 56KFlex)
ffff0000-ffffffff : reserved

        <snip>

    from 2.4.7 (not working)
    (/proc/ioports)

        <snip>

0000-001f : dma1
0020-003f : pic1
0040-005f : timer
0060-006f : keyboard
0070-007f : rtc
0080-008f : dma page reg
00a0-00bf : pic2
00c0-00df : dma2
00f0-00ff : fpu
0170-0177 : ide1
01f0-01f7 : ide0
0376-0376 : ide1
03c0-03df : vesafb
03f6-03f6 : ide0
0cf8-0cff : PCI conf1
6000-60ff : VIA Technologies, Inc. VT82C586B ACPI
c000-cfff : PCI Bus #01
d000-d00f : VIA Technologies, Inc. Bus Master IDE
  d000-d007 : ide0
  d008-d00f : ide1
d400-d41f : VIA Technologies, Inc. UHCI USB
d800-d87f : 3Com Corporation 3cSOHO100-TX Hurricane
  d800-d87f : 00:08.0
dc00-dcff : Lucent Microelectronics Venus Modem (V90, 56KFlex)
  dc00-dc07 : serial(auto)
e000-e0ff : Lucent Microelectronics Venus Modem (V90, 56KFlex)
e400-e407 : Lucent Microelectronics Venus Modem (V90, 56KFlex)

        <snip>

    (/proc/iomem)

        <snip>

00000000-0009fbff : System RAM
0009fc00-0009ffff : reserved
000a0000-000bffff : Video RAM area
000c0000-000c7fff : Video ROM
000f0000-000fffff : System ROM
00100000-03feffff : System RAM
  00100000-00222993 : Kernel code
  00222994-0028febb : Kernel data
03ff0000-03ff07ff : ACPI Non-volatile Storage
03ff0800-03ffffff : ACPI Tables
e0000000-e3ffffff : VIA Technologies, Inc. VT82C597 [Apollo VP3]
e4000000-e5ffffff : PCI Bus #01
  e4000000-e4ffffff : nVidia Corporation Riva TnT 128 [NV04]
e6000000-e6ffffff : PCI Bus #01
  e6000000-e6ffffff : nVidia Corporation Riva TnT 128 [NV04]
    e6000000-e6fbffff : vesafb
e8000000-e800007f : 3Com Corporation 3cSOHO100-TX Hurricane
e8001000-e80010ff : Lucent Microelectronics Venus Modem (V90, 56KFlex)
ffff0000-ffffffff : reserved

        <snip>

7.5 PCI information ('lspci -vvv' as root)

        <snip>

00:00.0 Host bridge: VIA Technologies, Inc. VT82C598 [Apollo MVP3] (rev 04)
        Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- 
ParErr- Stepping- SERR- FastB2B-
        Status: Cap+ 66Mhz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- 
<TAbort- <MAbort- >SERR- <PERR+
        Latency: 16
        Region 0: Memory at e0000000 (32-bit, prefetchable) [size=64M]
        Capabilities: [a0] AGP version 1.0
                Status: RQ=7 SBA+ 64bit- FW- Rate=x1,x2
                Command: RQ=0 SBA- AGP- 64bit- FW- Rate=<none>

00:01.0 PCI bridge: VIA Technologies, Inc. VT82C598/694x [Apollo 
MVP3/Pro133x AGP] (prog-if 00 [Normal decode])
        Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- 
ParErr- Stepping- SERR- FastB2B-
        Status: Cap- 66Mhz+ UDF- FastB2B- ParErr- DEVSEL=medium >TAbort- 
<TAbort- <MAbort+ >SERR- <PERR-
        Latency: 0
        Bus: primary=00, secondary=01, subordinate=01, sec-latency=0
        I/O behind bridge: 0000c000-0000cfff
        Memory behind bridge: e4000000-e5ffffff
        Prefetchable memory behind bridge: e6000000-e6ffffff
        BridgeCtl: Parity- SERR- NoISA+ VGA+ MAbort- >Reset- FastB2B-

00:07.0 ISA bridge: VIA Technologies, Inc. VT82C586/A/B PCI-to-ISA 
[Apollo VP] (rev 47)
        Control: I/O+ Mem+ BusMaster+ SpecCycle+ MemWINV- VGASnoop- 
ParErr- Stepping+ SERR- FastB2B-
        Status: Cap- 66Mhz- UDF- FastB2B- ParErr- DEVSEL=medium >TAbort- 
<TAbort- <MAbort- >SERR- <PERR-
        Latency: 0

00:07.1 IDE interface: VIA Technologies, Inc. Bus Master IDE (rev 06) 
(prog-if 8a [Master SecP PriP])
        Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- 
ParErr- Stepping- SERR- FastB2B-
        Status: Cap- 66Mhz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- 
<TAbort- <MAbort- >SERR- <PERR-
        Latency: 64
        Region 4: I/O ports at d000 [size=16]

00:07.2 USB Controller: VIA Technologies, Inc. UHCI USB (rev 02) 
(prog-if 00 [UHCI])
        Subsystem: Unknown device 0925:1234
        Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- 
ParErr- Stepping- SERR- FastB2B-
        Status: Cap- 66Mhz- UDF- FastB2B- ParErr- DEVSEL=medium >TAbort- 
<TAbort- <MAbort- >SERR- <PERR-
        Latency: 64, cache line size 08
        Interrupt: pin D routed to IRQ 5
        Region 4: I/O ports at d400 [size=32]

00:07.3 Bridge: VIA Technologies, Inc. VT82C586B ACPI (rev 10)
        Control: I/O- Mem- BusMaster- SpecCycle- MemWINV- VGASnoop- 
ParErr- Stepping- SERR- FastB2B-
        Status: Cap- 66Mhz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- 
<TAbort- <MAbort- >SERR- <PERR-
        Interrupt: pin ? routed to IRQ 9

00:08.0 Ethernet controller: 3Com Corporation 3cSOHO100-TX Hurricane 
(rev 30)
        Subsystem: 3Com Corporation 3cSOHO100-TX Hurricane
        Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- 
ParErr- Stepping- SERR- FastB2B-
        Status: Cap+ 66Mhz- UDF- FastB2B- ParErr- DEVSEL=medium >TAbort- 
<TAbort- <MAbort- >SERR- <PERR+
        Latency: 64 (2500ns min, 2500ns max), cache line size 08
        Interrupt: pin A routed to IRQ 10
        Region 0: I/O ports at d800 [size=128]
        Region 1: Memory at e8000000 (32-bit, non-prefetchable) [size=128]
        Expansion ROM at e7000000 [disabled] [size=128K]
        Capabilities: [dc] Power Management version 1
                Flags: PMEClk- DSI- D1+ D2+ AuxCurrent=0mA 
PME(D0-,D1+,D2+,D3hot+,D3cold-)
                Status: D0 PME-Enable- DSel=0 DScale=0 PME-

00:09.0 Communication controller: Lucent Microelectronics Venus Modem 
(V90, 56KFlex)
        Subsystem: Action Tec Electronics Inc: Unknown device 0500
        Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- 
ParErr- Stepping- SERR- FastB2B-
        Status: Cap+ 66Mhz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- 
<TAbort- <MAbort- >SERR- <PERR+
        Latency: 0 (63000ns min, 3500ns max)
        Interrupt: pin A routed to IRQ 11
        Region 0: Memory at e8001000 (32-bit, non-prefetchable) [size=256]
        Region 1: I/O ports at dc00 [size=256]
        Region 2: I/O ports at e000 [size=256]
        Region 3: I/O ports at e400 [size=8]
        Capabilities: [f8] Power Management version 2
                Flags: PMEClk- DSI+ D1- D2+ AuxCurrent=0mA 
PME(D0-,D1-,D2+,D3hot+,D3cold-)
                Status: D0 PME-Enable- DSel=0 DScale=0 PME-

01:00.0 VGA compatible controller: nVidia Corporation Riva TnT 128 
[NV04] (rev 04) (prog-if 00 [VGA])
        Subsystem: Diamond Multimedia Systems: Unknown device 5802
        Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- 
ParErr- Stepping- SERR- FastB2B-
        Status: Cap+ 66Mhz+ UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- 
<TAbort- <MAbort- >SERR- <PERR-
        Latency: 64 (1250ns min, 250ns max)
        Interrupt: pin A routed to IRQ 0
        Region 0: Memory at e4000000 (32-bit, non-prefetchable) [size=16M]
        Region 1: Memory at e6000000 (32-bit, prefetchable) [size=16M]
        Expansion ROM at e5000000 [disabled] [size=64K]
        Capabilities: [60] Power Management version 1
                Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA 
PME(D0-,D1-,D2-,D3hot-,D3cold-)
                Status: D0 PME-Enable- DSel=0 DScale=0 PME-
        Capabilities: [44] AGP version 1.0
                Status: RQ=15 SBA+ 64bit- FW- Rate=x1,x2
                Command: RQ=0 SBA- AGP- 64bit- FW- Rate=<none>


        <snip>

7.6 SCSI/IDE info (cat /proc/ide/via)

        <snip>
----------VIA BusMastering IDE Configuration----------------
Driver Version:                     3.20
South Bridge:                       VIA vt82c586b
Revision:                           ISA 0x47 IDE 0x6
BM-DMA base:                        0xd000
PCI clock:                          33MHz
Master Read  Cycle IRDY:            1ws
Master Write Cycle IRDY:            1ws
BM IDE Status Register Read Retry:  yes
Max DRDY Pulse Width:               No limit
-----------------------Primary IDE-------Secondary IDE------
Read DMA FIFO flush:          yes                 yes
End Sector FIFO flush:         no                  no
Prefetch Buffer:              yes                 yes
Post Write Buffer:            yes                  no
Enabled:                      yes                 yes
Simplex only:                  no                  no
Cable Type:                   40w                 40w
-------------------drive0----drive1----drive2----drive3-----
Transfer Mode:       UDMA      UDMA      UDMA       DMA
Address Setup:       30ns      30ns      30ns     120ns
Cmd Active:          90ns      90ns      90ns      90ns
Cmd Recovery:        30ns      30ns      30ns      30ns
Data Active:         90ns      90ns      90ns     330ns
Data Recovery:       30ns      30ns      30ns     270ns
Cycle Time:          60ns      60ns      60ns     600ns
Transfer Rate:   33.0MB/s  33.0MB/s  33.0MB/s   3.3MB/s

        <snip>

7.7 Other information that might be relevant to the problem

    *shrug*


X.

        Here are some logs that might come in handy..

    A clipping from my /var/log/boot.msg

            <snip>

<6>Serial driver version 5.05c (2001-07-08) with MANY_PORTS SHARE_IRQ 
SERIAL_PCI ISAPNP enabled
<6>PCI: Found IRQ 11 for device 00:09.0
<6>ttyS04 at port 0xdc00 (irq = 11) is a 16550A

            <snip>

With any kernel later than 2.4.6 this part will sometimes fail, either way
 the modem still won't respond unless useing 2.4.6 or earlyer..

    A clipping from my /var/log/messages

            <snip>

Aug 26 15:39:30 core pppd[381]: Perms of /dev/ttyS0 are ok, no 'mesg n' 
neccesary.
Aug 26 15:39:31 core wvdial[696]: WvDial: Internet dialer version 1.41
Aug 26 15:39:31 core wvdial[696]: Initializing modem.
Aug 26 15:39:31 core wvdial[696]: Sending: ATZ
Aug 26 15:39:31 core wvdial[696]: Sending: ATQ0
Aug 26 15:39:31 core wvdial[696]: Re-Sending: ATZ
Aug 26 15:39:31 core wvdial[696]: Modem not responding.

            <snip>

this works with 2.4.6...

Please help me!!

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