2009/8/7 Ozan Çağlayan <ozan@xxxxxxxxxxxxx>:>> Added the following lines:>> printk(KERN_INFO "0x%p\n", jack);> printk(KERN_INFO "0x%p\n", jack->jack);> printk(KERN_INFO "0x%p\n", jack->jack->private_data);>> dmesg:>> NVRM: loading NVIDIA UNIX x86 Kernel Module 180.51 Thu Apr 16 19:02:15> PDT 2009> ACPI: PCI Interrupt 0000:00:1b.0[A] -> GSI 22 (level, low) -> IRQ 22> PCI: Setting latency timer of device 0000:00:1b.0 to 64> 0xf777a614> 0x00000000> BUG: unable to handle kernel NULL pointer dereference at 00000074> IP: [<f93f2d97>] :snd_hda_codec_conexant:conexant_add_jack+0x57/0x81> *pde = 00000000·> Oops: 0000 [#1] SMP> Need more of the dmesg output.I.e. to see which print statements succeeded.Alternatively, attach the snd_hda.ko so one can see where in that fileoffset 0x57 is.But a more useful print would be:if (!jack) printk(KERN_INFO "jack null\n");else if (!(jack->jack)) printk(KERN_INFO "jack->jack null\n");else if (!(jack->jack->private_data)) printk(KERN_INFO"jack->jack->private_data null\n");_______________________________________________Alsa-devel mailing listAlsa-devel@xxxxxxxxxxxxxxxxxxxx://mailman.alsa-project.org/mailman/listinfo/alsa-devel
