https://bugzilla.novell.com/show_bug.cgi?id=207460 Summary: Kernel crash with cdc_acm and ppp Product: SUSE Linux 10.1 Version: Final Platform: x86 OS/Version: SuSE Linux 10.1 Status: NEW Severity: Critical Priority: P5 - None Component: Kernel AssignedTo: kernel-maintainers@forge.provo.novell.com ReportedBy: mavrikas@gmail.com QAContact: qa@suse.de Connected a Siemens SX1 phone with it's stock USB cable to a USB port on my notebook. Trying to start pppd resulted in a segmentation fault. Here is the kernel log: usb 4-2: new full speed USB device using uhci_hcd and address 2 usb 4-2: new device found, idVendor=11f5, idProduct=0001 usb 4-2: new device strings: Mfr=1, Product=2, SerialNumber=3 usb 4-2: Product: Siemens SX1 usb 4-2: Manufacturer: EPOC ER6.1 usb 4-2: SerialNumber: 0123456789 usb 4-2: configuration #1 chosen from 1 choice usbcore: registered new driver usbserial drivers/usb/serial/usb-serial.c: USB Serial support registered for generic usbcore: registered new driver usbserial_generic drivers/usb/serial/usb-serial.c: USB Serial Driver core drivers/usb/serial/usb-serial.c: USB Serial support registered for pl2303 pl2303 4-2:1.0: pl2303 converter detected usb 4-2: pl2303 converter now attached to ttyUSB0 pl2303 4-2:1.1: pl2303 converter detected usb 4-2: pl2303 converter now attached to ttyUSB1 usbcore: registered new driver pl2303 drivers/usb/serial/pl2303.c: Prolific PL2303 USB to serial adaptor driver usbcore: registered new driver cdc_acm drivers/usb/class/cdc-acm.c: v0.25:USB Abstract Control Model driver for USB modems and ISDN adapters CSLIP: code copyright 1989 Regents of the University of California PPP generic driver version 2.4.2 Unable to handle kernel NULL pointer dereference at virtual address 00000020 printing eip: f8efc474 *pde = 00000000 Oops: 0002 [#1] SMP last sysfs file: /class/net/eth0/carrier Modules linked in: ppp_generic slhc cdc_acm pl2303 usbserial bluetooth fglrx xt_pkttype ipt_LOG xt_limit af_packet cpufreq_ondemand cpufreq_userspace cpufreq_powersave speedstep_centrino freq_table eeprom snd_pcm_oss snd_mixer_oss snd_seq snd_seq_device edd button battery ac ip6t_REJECT xt_tcpudp ipt_REJECT xt_state iptable_mangle iptable_nat ip_nat iptable_filter ip6table_mangle ip_conntrack nfnetlink ip_tables ip6table_filter ip6_tables x_tables ipv6 apparmor aamatch_pcre nls_utf8 ntfs loop dm_mod ipw3945 ide_cd cdrom i8xx_tco intel_agp agpgart snd_hda_intel snd_hda_codec ieee80211 ieee80211_crypt firmware_class ohci1394 ieee1394 snd_pcm snd_timer snd soundcore snd_page_alloc r8169 i2c_i801 i2c_core ehci_hcd uhci_hcd usbcore reiserfs fan thermal sg processor ahci libata piix sd_mod scsi_mod ide_disk ide_core CPU: 1 EIP: 0060:[<f8efc474>] Tainted: P U VLI EFLAGS: 00010246 (2.6.16.21-0.21-smp #1) EIP is at pl2303_open+0x580/0x5da [pl2303] eax: 00000000 ebx: ef105600 ecx: f9248498 edx: f7036c00 esi: e77b1800 edi: e938a640 ebp: effd73c0 esp: e44d1e7c ds: 007b es: 007b ss: 0068 Process pppd (pid: 4221, threadinfo=e44d0000 task=dfccd6b0) Stack: <0>f6f6b000 e7a46600 00000000 00000286 c01fd418 00000000 c01fe1b8 e44d1edc 00000001 e77b1800 ef105600 f6f6b000 ffffffed f8ef2ca9 dbda7c80 e77b180c 00000802 dbda7c80 00000000 0bc00001 c02007f9 00000000 08023800 00000001 Call Trace: [<c01fd418>] tty_ldisc_enable+0x1f/0x21 [<c01fe1b8>] init_dev+0x35c/0x47a [<f8ef2ca9>] serial_open+0xdf/0x156 [usbserial] [<c02007f9>] tty_open+0x187/0x302 [<c01632cd>] chrdev_open+0x124/0x161 [<c01631a9>] chrdev_open+0x0/0x161 [<c015a438>] __dentry_open+0xc7/0x1ab [<c015a580>] nameidata_to_filp+0x19/0x28 [<c015a5bb>] do_filp_open+0x2c/0x32 [<c015a5ff>] do_sys_open+0x3e/0xb0 [<c015a69e>] sys_open+0x16/0x18 [<c0103bdb>] sysenter_past_esp+0x54/0x79 Code: 0c d3 ef f8 eb 61 83 3d 00 03 f0 f8 00 74 17 68 04 ce ef f8 68 20 ce ef f8 68 41 d3 ef f8 e8 2f 40 22 c7 83 c4 0c 8b 46 28 8b 13 <89> 50 20 8b 46 28 ba d0 00 00 00 e8 10 6a 33 00 89 c1 31 c0 85 -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug, or are watching someone who is.