On Wed, Sep 28, 2016 at 05:23:30PM +0200, Oliver Neukum wrote: > > > > HP src # sync > > HP src # [ 3744.914184] BUG: unable to handle kernel NULL pointer > > dereference at 00000249 > > The last view lines before that please with the debugging level ramped > up to 9 please.
Recompiled again, double checked if it was really the new module. That doesn't seem to make any difference at all. [ 549.238494] sysrq: SysRq : Changing Loglevel [ 549.265916] sysrq: Loglevel set to 9 [ 549.363794] usbcore: registered new interface driver cdc_acm [ 549.429906] cdc_acm: USB Abstract Control Model driver for USB modems and ISDN adapters [ 550.941964] usb 6-1: new full-speed USB device number 2 using uhci_hcd [ 551.148944] usb 6-1: New USB device found, idVendor=0572, idProduct=1340 [ 551.149975] usb 6-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 551.153974] usb 6-1: Product: USB Modem [ 551.157969] usb 6-1: Manufacturer: Conexant [ 551.161969] usb 6-1: SerialNumber: 12345678 [ 551.171006] cdc_acm:acm_probe: cdc_acm 6-1:1.0: interfaces are valid [ 551.173997] BUG: unable to handle kernel NULL pointer dereference at 00000249 [ 551.177957] IP: [<e0826cb6>] acm_probe+0x52d/0xced [cdc_acm] [ 551.177957] *pde = 00000000 [ 551.177957] Oops: 0000 [#1] SMP [ 551.177957] Modules linked in: cdc_acm nouveau video drm_kms_helper syscopyarea sysfillrect sysimgblt fb_sys_fops ttm drm agpgart i2c_algo_bit cfg80211 rfkill binfmt_misc svgalib_helper(O) snd_pcm_oss snd_mixer_oss fbcon bitblit softcursor font tileblit sr9700 snd_hda_codec_generic dm9601 snd_hda_intel usbnet usb_storage mii snd_hda_codec snd_hwdep tg3 snd_hda_core ptp pps_core snd_pcm gpio_ich libphy snd_timer lpc_ich ppdev firmware_class pcspkr mfd_core snd ohci_pci ohci_hcd uhci_hcd wmi floppy parport_pc soundcore ehci_pci parport acpi_cpufreq ehci_hcd button processor [ 551.177957] CPU: 0 PID: 725 Comm: kworker/0:2 Tainted: G O 4.8.0-rc8 #1 .... Regards, Wim.
