Created attachment 1127416 [details] dmesg Description of problem: Kernel emits a BUG on boot. See the attached dmesg file. Version-Release number of selected component (if applicable): kernel-PAE-4.5.0-0.rc3.git3.1.fc24.i686 How reproducible: Always Steps to Reproduce: 1. Boot kernel 2. Look at dmesg Actual results: [ 17.896896] BUG: unable to handle kernel NULL pointer dereference at 00000094 [ 17.897018] IP: [<f8387201>] sch_gpio_probe+0x191/0x2a0 [gpio_sch] [ 17.899105] *pdpt = 0000000030f09001 *pde = 0000000000000000 [ 17.899105] Oops: 0000 [#1] SMP [ 17.899105] Modules linked in: gpio_sch(+) kvm_intel snd_hda_core ir_lirc_codec eeprom_93cx6 crc_ccitt lirc_dev rfkill snd_hwdep rc_hauppauge kvm igorplugusb rc_core snd_pcm r8169 snd_timer irqbypass acpi_cpufreq snd joydev tpm_tis lpc_sch mii soundcore fjes tpm nfsd auth_rpcgss nfs_acl lockd grace sunrpc btrfs xor raid6_pq ata_generic pata_acpi hid_logitech_hidpp gma500_gfx i2c_algo_bit drm_kms_helper sdhci_pci sdhci drm mmc_core serio_raw pata_sch video hid_logitech_dj [ 17.899105] CPU: 0 PID: 371 Comm: systemd-udevd Not tainted 4.5.0-0.rc3.git3.1.fc24.i686+PAE #1 [ 17.899105] Hardware name: CompuLab SBC-FITPC2/SBC-FITPC2, BIOS NAPA0001.86C.0000.D.0908311151 08/31/2009 [ 17.899105] task: c0028000 ti: f0f7c000 task.ti: f0f7c000 [ 17.899105] EIP: 0060:[<f8387201>] EFLAGS: 00010246 CPU: 0 [ 17.899105] EIP is at sch_gpio_probe+0x191/0x2a0 [gpio_sch] [ 17.899105] EAX: 0000000a EBX: f0d0b914 ECX: 00000000 EDX: 0000000e [ 17.899105] ESI: 00000000 EDI: f0e39c00 EBP: f0f7dcc0 ESP: f0f7dc90 [ 17.899105] DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068 [ 17.899105] CR0: 80050033 CR2: 00000094 CR3: 34b1ee20 CR4: 000006f0 [ 17.899105] Stack: [ 17.899105] 00001180 00000000 00000040 00000000 f0e39db0 00001180 00000000 f0e39c0c [ 17.899105] f0e39c00 ffffffed f0e39c0c f8389014 f0f7dcdc c08899f7 f0f7dcdc c0887082 [ 17.899105] f0e39c0c 00000000 f8389014 f0f7dd0c c0887b29 f0f7dcf8 c07df038 f0e39c0c [ 17.899105] Call Trace: [ 17.899105] [<c08899f7>] platform_drv_probe+0x47/0xb0 [ 17.899105] [<c0887082>] ? driver_sysfs_add+0x62/0x80 [ 17.899105] [<c0887b29>] driver_probe_device+0x1e9/0x440 [ 17.899105] [<c07df038>] ? acpi_driver_match_device+0x31/0x4b [ 17.899105] [<c0887df9>] __driver_attach+0x79/0x80 [ 17.899105] [<c0887d80>] ? driver_probe_device+0x440/0x440 [ 17.899105] [<c08858c7>] bus_for_each_dev+0x57/0xa0 [ 17.899105] [<c08872de>] driver_attach+0x1e/0x20 [ 17.899105] [<c0887d80>] ? driver_probe_device+0x440/0x440 [ 17.899105] [<c0886d97>] bus_add_driver+0x197/0x290 [ 17.899105] [<f83f7000>] ? 0xf83f7000 [ 17.899105] [<c08885fd>] driver_register+0x5d/0xf0 [ 17.899105] [<f83f7000>] ? 0xf83f7000 [ 17.899105] [<c088995f>] __platform_driver_register+0x2f/0x40 [ 17.899105] [<f83f7012>] sch_gpio_driver_init+0x12/0x1000 [gpio_sch] [ 17.899105] [<c040211a>] do_one_initcall+0xaa/0x1f0 [ 17.899105] [<f83f7000>] ? 0xf83f7000 [ 17.899105] [<c0b2ce1b>] ? preempt_schedule_common+0x1b/0x30 [ 17.899105] [<c0b2ce55>] ? _cond_resched+0x25/0x30 [ 17.899105] [<c05c46e5>] ? kmem_cache_alloc_trace+0x155/0x1c0 [ 17.899105] [<c056cb65>] ? do_init_module+0x21/0x1a1 [ 17.899105] [<c056cb65>] ? do_init_module+0x21/0x1a1 [ 17.899105] [<c056cb94>] do_init_module+0x50/0x1a1 [ 17.899105] [<c04f8356>] load_module+0x2116/0x2740 [ 17.899105] [<c05ad440>] ? __vmalloc_node_range+0x180/0x230 [ 17.899105] [<c04f8a9d>] SyS_init_module+0x11d/0x170 [ 17.899105] [<c040385f>] do_fast_syscall_32+0x8f/0x140 [ 17.899105] [<c0b307d8>] sysenter_past_esp+0x3d/0x5d [ 17.899105] Code: ff ff 5b 5e 5f 5d c3 8d 76 00 8b 73 10 31 c0 ba 0e 00 00 00 66 89 83 92 00 00 00 b8 0a 00 00 00 66 89 53 4c 66 89 83 94 00 00 00 <0f> b7 be 94 00 00 00 83 ff 08 0f 87 cf 00 00 00 b9 08 00 00 00 [ 17.899105] EIP: [<f8387201>] sch_gpio_probe+0x191/0x2a0 [gpio_sch] SS:ESP 0068:f0f7dc90 [ 17.899105] CR2: 0000000000000094 [ 17.899927] ---[ end trace a75e8f8df6979ce4 ]--- Expected results: No BUG messages.
Doing some pruning, this bug looks to be years old. Please test on a newer kernel and reopen if the problem still exists.