Re: BUG: Asus laptop, null pointer dereference
On 25.01.2016, Heinz Diehl wrote: > [4.056862] asus_laptop:model detected > [4.058731] BUG: unable to handle kernel NULL pointer dereference at > 0e20 > [4.060018] IP: [] asus_sysfs_is_visible+0x13/0x1d0 > [asus_laptop] > [4.061346] PGD 0 > [4.062629] Oops: [#1] PREEMPT SMP > [4.063960] Modules linked in: wmi asus_laptop(+) input_polldev > sparse_keymap rfkill nfsd auth_rpcgss oid_registry nfs_acl lockd grace sunrpc > sch_fq_codel tcp_westwood xfs libcrc32c hid_logitech_dj crc32c_intel > serio_raw atl1c i915 i2c_algo_bit drm_kms_helper syscopyarea sysfillrect > sysimgblt fb_sys_fops drm i2c_core video > [4.067026] CPU: 1 PID: 536 Comm: systemd-udevd Not tainted 4.4.0 #1 > [4.068515] Hardware name: ASUSTeK Computer Inc. U45JC/U45JC, BIOS > U45JC.208 02/24/2011 [] Ok, I see, this is already reported here: https://bugzilla.kernel.org/show_bug.cgi?id=110751 Thanks, Heinz
BUG: Asus laptop, null pointer dereference
Hi, I'm hitting the following bug when starting my Asus U45JC laptop. This happens with both 4.4.0 and 4.5-rc1. 4.3.x (and any older kernel) is fine. [4.056862] asus_laptop:model detected [4.058731] BUG: unable to handle kernel NULL pointer dereference at 0e20 [4.060018] IP: [] asus_sysfs_is_visible+0x13/0x1d0 [asus_laptop] [4.061346] PGD 0 [4.062629] Oops: [#1] PREEMPT SMP [4.063960] Modules linked in: wmi asus_laptop(+) input_polldev sparse_keymap rfkill nfsd auth_rpcgss oid_registry nfs_acl lockd grace sunrpc sch_fq_codel tcp_westwood xfs libcrc32c hid_logitech_dj crc32c_intel serio_raw atl1c i915 i2c_algo_bit drm_kms_helper syscopyarea sysfillrect sysimgblt fb_sys_fops drm i2c_core video [4.067026] CPU: 1 PID: 536 Comm: systemd-udevd Not tainted 4.4.0 #1 [4.068515] Hardware name: ASUSTeK Computer Inc. U45JC/U45JC, BIOS U45JC.208 02/24/2011 [4.070023] task: 88003645b680 ti: 8800a4a0c000 task.ti: 8800a4a0c000 [4.071568] RIP: 0010:[] [] asus_sysfs_is_visible+0x13/0x1d0 [asus_laptop] [4.073188] RSP: :8800a4a0faf8 EFLAGS: 00010282 [4.074820] RAX: RBX: RCX: [4.076462] RDX: RSI: c03d63c0 RDI: 88003675b420 [4.078109] RBP: 8800a4a0fb08 R08: 8801428940c8 R09: 0124 [4.079777] R10: 88014348d100 R11: 0014 R12: c03d4940 [4.081470] R13: R14: 8801418af000 R15: c03d6220 [4.083156] FS: 7f58ba6dd8c0() GS:880147c4() knlGS: [4.084885] CS: 0010 DS: ES: CR0: 80050033 [4.086611] CR2: 0e20 CR3: a49f3000 CR4: 06e0 [4.088351] Stack: [4.090066] c03d4940 8800a4a0fb50 8122d12b [4.091838] 88003675b420 880141327000 [4.093606] 880036b42498 0001 8800a4a0fb60 [4.095386] Call Trace: [4.097151] [] internal_create_group+0xbb/0x310 [4.098943] [] sysfs_create_group+0x13/0x20 [4.100748] [] asus_acpi_add+0x3bb/0xea0 [asus_laptop] [4.102583] [] acpi_device_probe+0x4f/0xf5 [4.104415] [] driver_probe_device+0x167/0x490 [4.106254] [] __driver_attach+0x84/0x90 [4.108087] [] ? driver_probe_device+0x490/0x490 [4.109931] [] bus_for_each_dev+0x64/0xa0 [4.111724] [] driver_attach+0x1e/0x20 [4.113509] [] bus_add_driver+0x1eb/0x280 [4.115273] [] ? 0xc03da000 [4.117032] [] driver_register+0x60/0xe0 [4.118818] [] acpi_bus_register_driver+0x38/0x40 [4.120619] [] asus_laptop_init+0x2a/0x1000 [asus_laptop] [4.122433] [] do_one_initcall+0xab/0x1c0 [4.124276] [] do_init_module+0x5f/0x1e5 [4.126114] [] load_module+0x1f3f/0x2530 [4.127943] [] ? __symbol_put+0x50/0x50 [4.129786] [] ? copy_module_from_fd.isra.50+0xdb/0x130 [4.131653] [] SyS_finit_module+0x9a/0xc0 [4.133521] [] entry_SYSCALL_64_fastpath+0x12/0x6a [4.135378] Code: c7 80 48 3d c0 e8 11 7e d7 c0 4c 89 f7 e8 66 3c e5 ff e9 27 ff ff ff 90 66 66 66 66 90 55 48 89 e5 41 54 53 48 8b 87 90 00 00 00 <4c> 8b a0 20 0e 00 00 0f b6 80 95 0d 00 00 84 c0 74 1a 48 81 fe [4.139719] RIP [] asus_sysfs_is_visible+0x13/0x1d0 [asus_laptop] [4.141788] RSP [4.143809] CR2: 0e20 [4.145867] ---[ end trace 7d8d7d572a3e9126 ]--- Thanks, Heinz.
