Public bug reported:
running : wvdialconf try to configure latest 3G HSDPA card,
Editing `/etc/wvdial.conf'.
Scanning your serial ports for a modem.
WvModem<*1>: Cannot set information for serial port.
ttyS0<*1>: ATQ0 V1 E1 -- failed with 2400 baud, next try: 9600 baud
ttyS0<*1>: ATQ0 V1 E1 -- failed with 9600 baud, next try: 115200 baud
ttyS0<*1>: ATQ0 V1 E1 -- and failed too at 115200, giving up.
Modem Port Scan<*1>: S1 S2 S3
WvModem<*1>: Cannot get information for serial port.
ttyUSB0<*1>: ATQ0 V1 E1 -- OK
ttyUSB0<*1>: ATQ0 V1 E1 Z -- OK
ttyUSB0<*1>: ATQ0 V1 E1 S0=0 -- OK
ttyUSB0<*1>: ATQ0 V1 E1 S0=0 &C1 -- OK
ttyUSB0<*1>: ATQ0 V1 E1 S0=0 &C1 &D2 -- OK
ttyUSB0<*1>: ATQ0 V1 E1 S0=0 &C1 &D2 +FCLASS=0 -- ERROR
ttyUSB0<*1>: Modem Identifier: ATI -- Manufacturer: HUAWEI TECHNOLOGIES CO.,
LTD.
ttyUSB0<*1>: Speed 4800: AT -- OK
ttyUSB0<*1>: Speed 9600: AT -- OK
ttyUSB0<*1>: Speed 19200: AT -- OK
ttyUSB0<*1>: Speed 38400: AT -- OK
ttyUSB0<*1>: Speed 57600: AT -- OK
ttyUSB0<*1>: Speed 115200: AT -- OK
ttyUSB0<*1>: Speed 230400: AT -- OK
ttyUSB0<*1>: Speed 460800: AT -- OK
ttyUSB0<*1>: Max speed is 460800; that should be safe.
ttyUSB0<*1>: ATQ0 V1 E1 S0=0 &C1 &D2 -- OK
Message from [EMAIL PROTECTED] at Thu Feb 22 10:15:35 2007 ... ibmtux kernel:
[16792.784000] Oops: 0002 [#1]
Message from [EMAIL PROTECTED] at Thu Feb 22 10:15:35 2007 ...ibmtux kernel:
[16792.784000] SMP
....
dmesg output:
[16495.800000] PPP generic driver version 2.4.2
[16790.696000] ttyS1: LSR safety check engaged!
[16792.784000] BUG: unable to handle kernel NULL pointer dereference at virtual
address 00000020
[16792.784000] printing eip:
[16792.784000] f9c4992c
[16792.784000] *pde = 00000000
[16792.784000] Oops: 0002 [#1]
[16792.784000] SMP
[16792.784000] Modules linked in: ppp_generic slhc pl2303 option usbserial
ohci_hcd binfmt_misc rfcomm l2cap nvram uinput ppdev radeon drm acpi_cpufreq
cpufreq_powersave cpufreq_stats cpufreq_userspace cpufreq_ondemand
cpufreq_conservative freq_table video battery ibm_acpi container sbs button
i2c_ec dock ac asus_acpi backlight tun nls_iso8859_1 nls_cp437 vfat fat ext3
jbd mbcache ipv6 eeprom i2c_i801 i2c_core lp fuse pcmcia tsdev joydev hci_usb
irtty_sir sir_dev snd_intel8x0 snd_ac97_codec bluetooth ac97_bus snd_pcm_oss
snd_mixer_oss snd_pcm snd_seq_dummy snd_seq_oss irda crc_ccitt parport_pc
parport wlan_scan_sta ath_rate_sample snd_seq_midi snd_rawmidi
snd_seq_midi_event pcspkr psmouse serio_raw snd_seq snd_timer yenta_socket
ath_pci wlan ath_hal(P) snd_seq_device snd soundcore snd_page_alloc
rsrc_nonstatic pcmcia_core iTCO_wdt iTCO_vendor_support af_packet intel_agp
agpgart shpchp pci_hotplug evdev reiserfs sg sd_mod piix generic ata_piix e1000
ata_generic libata scsi_mod ehci_hcd uhci_hcd usbcore thermal processor fan
capability commoncap vesafb fbcon tileblit font bitblit softcursor
[16792.784000] CPU: 0
[16792.784000] EIP: 0060:[<f9c4992c>] Tainted: P VLI
[16792.784000] EFLAGS: 00210246 (2.6.20-8-generic #2)
[16792.784000] EIP is at pl2303_open+0x44c/0x9c0 [pl2303]
[16792.784000] eax: 00000000 ebx: 00000000 ecx: 00200246 edx: de9a8000
[16792.784000] esi: d8f68d40 edi: e5c4f200 ebp: 00000000 esp: c2867e38
[16792.784000] ds: 007b es: 007b ss: 0068
[16792.784000] Process wvdialconf (pid: 29029, ti=c2866000 task=d99b7a90
task.ti=c2866000)
[16792.784000] Stack: 00000040 00000009 00000000 00000000 00000000 00000064
00000000 00000003
[16792.784000] 00200292 00000000 d5b73c00 d8f68c00 00200292 c02324c7
00000000 c0233120
[16792.784000] 00000000 d5201980 00000000 e5c4f200 d8f68d40 d5b73c00
e5c4f20c f9c401dc
[16792.784000] Call Trace:
[16792.784000] [<c02324c7>] tty_ldisc_enable+0x27/0x30
[16792.784000] [<c0233120>] init_dev+0x250/0x5f0
[16792.784000] [<f9c401dc>] serial_open+0x10c/0x160 [usbserial]
[16792.784000] [<c0232384>] check_tty_count+0x14/0xb0
[16792.784000] [<c0235f07>] tty_open+0x147/0x2f0
[16792.784000] [<c0235dc0>] tty_open+0x0/0x2f0
[16792.784000] [<c0178dc8>] chrdev_open+0xa8/0x170
[16792.784000] [<c0178d20>] chrdev_open+0x0/0x170
[16792.784000] [<c017461a>] __dentry_open+0xba/0x1c0
[16792.784000] [<c01747d5>] nameidata_to_filp+0x35/0x40
[16792.784000] [<c0174830>] do_filp_open+0x50/0x60
[16792.784000] [<c017488e>] do_sys_open+0x4e/0xf0
[16792.784000] [<c017496c>] sys_open+0x1c/0x20
[16792.784000] [<c01031d0>] sysenter_past_esp+0x69/0xa9
[16792.784000] =======================
[16792.784000] Code: 20 8b 47 44 ba d0 00 00 00 e8 e1 e2 79 ff 85 c0 89 c3 0f
85 13 05 00 00 8b 2d 80 d5 c4 f9 85 ed 0f 85 2d 04 00 00 8b 47 24 8b 16 <89> 50
20 8b 47 24 ba d0 00 00 00 e8 b4 e2 79 ff 89 c3 31 c0 85
[16792.784000] EIP: [<f9c4992c>] pl2303_open+0x44c/0x9c0 [pl2303] SS:ESP
0068:c2867e38
[16792.784000]
ProblemType: Bug
Date: Thu Feb 22 10:17:23 2007
DistroRelease: Ubuntu 7.04
Uname: Linux ibmtux 2.6.20-8-generic #2 SMP Tue Feb 13 05:18:42 UTC 2007 i686
GNU/Linux
** Affects: Ubuntu
Importance: Undecided
Status: Unconfirmed
--
kernel oops (wvdailconfig or module ?)
https://launchpad.net/bugs/86969
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