https://bugzilla.novell.com/show_bug.cgi?id=468398 User wharms@bfs.de added comment https://bugzilla.novell.com/show_bug.cgi?id=468398#c1 Summary: linux 2.6.25.11 kernel crash, ipaq : BUG: unable to handle kernel NULL pointer dereference at 0000003c Classification: openSUSE Product: openSUSE 11.0 Version: Final Platform: i686 OS/Version: Other Status: NEW Severity: Normal Priority: P5 - None Component: Kernel AssignedTo: bnc-team-screening@forge.provo.novell.com ReportedBy: wharms@bfs.de QAContact: qa@suse.de Found By: --- User-Agent: Mozilla/5.0 (X11; U; Linux i686; de; rv:1.9.0.5) Gecko/2008121300 SUSE/3.0.5-0.1 Firefox/3.0.5 While playing with an MDA i was able to crash the modul. I was trying the access the USB serial port with minicom that caused a crash in the modul (see below) and a segfault in minicom. Reproducible: Always Steps to Reproduce: 1. insert MDA usb 2-2: new full speed USB device using uhci_hcd and address 3 usb 2-2: configuration #1 chosen from 1 choice ipaq 2-2:1.0: PocketPC PDA converter detected usb 2-2: PocketPC PDA converter now attached to ttyUSB0 ipaq 2-2:1.1: PocketPC PDA converter detected usb 2-2: PocketPC PDA converter now attached to ttyUSB1 usb 2-2: New USB device found, idVendor=0bb4, idProduct=0bce usb 2-2: New USB device strings: Mfr=1, Product=2, SerialNumber=3 usb 2-2: Product: Generic RNDIS usb 2-2: Manufacturer: HTC usb 2-2: SerialNumber: c9501016-5d76-d103-5800-0050bf3f5173 2. use minicom -s and try to configure /dev/ttyUSB0 (ttyUSB0 is dynamic, your milage may vary) IP: [<d08d089c>] :ipaq:ipaq_open+0x1b2/0x2e1 *pdpt = 0000000007d44001 *pde = 0000000000000000 Oops: 0002 [#1] SMP last sysfs file: /sys/devices/LNXSYSTM:00/device:00/PNP0C0A:00/power_supply/BAT0 /energy_full Modules linked in: i915 drm ipv6 edd cpufreq_conservative cpufreq_userspace cpuf req_powersave speedstep_ich speedstep_lib snd_pcm_oss snd_mixer_oss snd_seq snd_ seq_device fuse loop dm_mod pcmcia firmware_class rndis_wlan ppdev rndis_host sn d_intel8x0 irda rtc_cmos snd_intel8x0m parport_pc yenta_socket cdc_ether rtc_cor e parport snd_ac97_codec rtc_lib rsrc_nonstatic crc_ccitt iTCO_wdt ohci1394 e100 ac97_bus usbnet pcmcia_core ieee1394 thermal i2c_i801 intel_agp sr_mod snd_pcm sg battery cdrom snd_timer ac processor button i2c_core mii iTCO_vendor_support shpchp agpgart snd serio_raw joydev pci_hotplug soundcore ipaq snd_page_alloc us bserial sd_mod uhci_hcd usbcore reiserfs ata_piix libata scsi_mod dock Pid: 3125, comm: minicom Tainted: G N (2.6.25.11-0.1-pae #1) EIP: 0060:[<d08d089c>] EFLAGS: 00010246 CPU: 0 EIP is at ipaq_open+0x1b2/0x2e1 [ipaq] EAX: 00000000 EBX: cb865460 ECX: cec0a120 EDX: cf1bf000 ESI: 00000000 EDI: cdc0e000 EBP: c7c65e7c ESP: c7c65e5c DS: 007b ES: 007b FS: 00d8 GS: 0033 SS: 0068 Process minicom (pid: 3125, ti=c7c64000 task=c7cfa0c0 task.ti=c7c64000) Stack: cb865474 cd8368e0 00000100 00000064 cdc0e000 00000000 cdc0e000 cd8368e0 c7c65e9c d0073d6e c7d3a9e0 c7cf5000 cdc0e00c ffffffed c7d3a9e0 00000100 c7c65ec0 c0237938 00000902 0bc00000 00000000 c7cf5000 00000000 ced6c004 Call Trace: [<d0073d6e>] serial_open+0xde/0x138 [usbserial] [<c0237938>] tty_open+0x181/0x283 [<c017c0db>] chrdev_open+0x13b/0x157 [<c0178582>] __dentry_open+0xcf/0x185 [<c01786bf>] nameidata_to_filp+0x1f/0x33 [<c0178702>] do_filp_open+0x2f/0x36 [<c0178749>] do_sys_open+0x40/0xbb [<c0178806>] sys_open+0x1e/0x26 [<c01059e4>] sysenter_past_esp+0x6d/0xa9 [<ffffe430>] 0xffffe430 ======================= Code: d0 00 00 00 e8 68 67 8a ef 8b 57 3c 85 c0 89 47 4c 75 13 89 d0 e8 c3 61 8a ef c7 47 3c 00 00 00 00 e9 00 01 00 00 8b 47 44 31 f6 <89> 50 3c 8b 47 4c 8b 57 54 89 42 3c 8b 47 44 c7 40 48 00 10 00 EIP: [<d08d089c>] ipaq_open+0x1b2/0x2e1 [ipaq] SS:ESP 0068:c7c65e5c 3. -- 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.