2014-08-11 16:56 GMT+03:00 maximilian attems <m...@stro.at>: > On Mon, Aug 11, 2014 at 04:30:01PM +0300, Martin-Éric Racine wrote: >> Package: src:linux >> Version: 3.14.13-2 >> Severity: normal >> File: linux >> >> While debugging something else, I found the following in syslog: > > can you reproduce with latest 3.16 (should be in exp).
Yes, I can. See attached kernel oops dump. Martin-Éric
Aug 11 17:31:52 suomi kernel: [ 2.694959] [drm] Setting output timings on SDVOB failed Aug 11 17:31:52 suomi kernel: [ 2.804023] ------------[ cut here ]------------ Aug 11 17:31:52 suomi kernel: [ 2.804100] WARNING: CPU: 0 PID: 64 at /build/linux-c_peJ_/linux-3.16/drivers/gpu/drm/i915/intel_panel.c:758 i9xx_enable_backlight+0xcc/0xf0 [i915]() Aug 11 17:31:52 suomi kernel: [ 2.804101] backlight already enabled Aug 11 17:31:52 suomi kernel: [ 2.804124] Modules linked in: dell_laptop rfkill dcdbas ata_piix(+) libata firewire_ohci ehci_pci uhci_hcd(+) ehci_hcd scsi_mod sdhci_pci sdhci mmc_core firewire_core crc_itu_t usbcore usb_common tg3 ptp pps_core libphy wmi i915(+) i2c_algo_bit video drm_kms_helper drm button i2c_core thermal thermal_sys Aug 11 17:31:52 suomi kernel: [ 2.804129] CPU: 0 PID: 64 Comm: systemd-udevd Not tainted 3.16-trunk-686-pae #1 Debian 3.16-1~exp1 Aug 11 17:31:52 suomi kernel: [ 2.804131] Hardware name: Dell Inc. Latitude D430 /000007, BIOS A01 06/20/2007 Aug 11 17:31:52 suomi kernel: [ 2.804137] 00000009 c1443813 f356b870 c10530ae f8ad47be f356b888 00000040 f8ace010 Aug 11 17:31:52 suomi kernel: [ 2.804143] 000002f6 f8aa5e2c f8aa5e2c f36c0000 f36ae800 f3660000 00000246 c1053103 Aug 11 17:31:52 suomi kernel: [ 2.804148] 00000009 f356b870 f8ad47be f356b888 f8aa5e2c f8ace010 000002f6 f8ad47be Aug 11 17:31:52 suomi kernel: [ 2.804149] Call Trace: Aug 11 17:31:52 suomi kernel: [ 2.804159] [<c1443813>] ? dump_stack+0x3e/0x4e Aug 11 17:31:52 suomi kernel: [ 2.804165] [<c10530ae>] ? warn_slowpath_common+0x7e/0xa0 Aug 11 17:31:52 suomi kernel: [ 2.804222] [<f8aa5e2c>] ? i9xx_enable_backlight+0xcc/0xf0 [i915] Aug 11 17:31:52 suomi kernel: [ 2.804278] [<f8aa5e2c>] ? i9xx_enable_backlight+0xcc/0xf0 [i915] Aug 11 17:31:52 suomi kernel: [ 2.804282] [<c1053103>] ? warn_slowpath_fmt+0x33/0x40 Aug 11 17:31:52 suomi kernel: [ 2.804338] [<f8aa5e2c>] ? i9xx_enable_backlight+0xcc/0xf0 [i915] Aug 11 17:31:52 suomi kernel: [ 2.804396] [<f8aa6f8f>] ? intel_panel_enable_backlight+0x6f/0xd0 [i915] Aug 11 17:31:52 suomi kernel: [ 2.804448] [<f8a7d81d>] ? i9xx_crtc_enable+0x35d/0x3f0 [i915] Aug 11 17:31:52 suomi kernel: [ 2.804500] [<f8a81883>] ? __intel_set_mode+0x713/0x1440 [i915] Aug 11 17:31:52 suomi kernel: [ 2.804552] [<f8a84b1d>] ? intel_set_mode+0x1d/0x40 [i915] Aug 11 17:31:52 suomi kernel: [ 2.804604] [<f8a85886>] ? intel_crtc_set_config+0x7d6/0xbb0 [i915] Aug 11 17:31:52 suomi kernel: [ 2.804609] [<c1446b1c>] ? __ww_mutex_lock+0xc/0x6d Aug 11 17:31:52 suomi kernel: [ 2.804659] [<f8a78c80>] ? intel_user_framebuffer_destroy+0xa0/0xa0 [i915] Aug 11 17:31:52 suomi kernel: [ 2.804674] [<f888dd86>] ? drm_mode_set_config_internal+0x46/0xb0 [drm] Aug 11 17:31:52 suomi kernel: [ 2.804680] [<f827352a>] ? restore_fbdev_mode+0x9a/0xc0 [drm_kms_helper] Aug 11 17:31:52 suomi kernel: [ 2.804686] [<f8273565>] ? drm_fb_helper_restore_fbdev_mode_unlocked+0x15/0x30 [drm_kms_helper] Aug 11 17:31:52 suomi kernel: [ 2.804691] [<f8274e4e>] ? drm_fb_helper_set_par+0x1e/0x60 [drm_kms_helper] Aug 11 17:31:52 suomi kernel: [ 2.804696] [<c128735a>] ? fbcon_init+0x46a/0x4b0 Aug 11 17:31:52 suomi kernel: [ 2.804701] [<c12eed56>] ? visual_init+0x96/0xf0 Aug 11 17:31:52 suomi kernel: [ 2.804705] [<c12f0d54>] ? do_bind_con_driver+0x104/0x2d0 Aug 11 17:31:52 suomi kernel: [ 2.804709] [<c12f1406>] ? do_take_over_console+0xf6/0x190 Aug 11 17:31:52 suomi kernel: [ 2.804712] [<c1287df4>] ? fbcon_event_notify+0x6f4/0x740 Aug 11 17:31:52 suomi kernel: [ 2.804717] [<c1282c27>] ? do_fbcon_takeover+0x57/0xc0 Aug 11 17:31:52 suomi kernel: [ 2.804721] [<c1072666>] ? notifier_call_chain+0x46/0x60 Aug 11 17:31:52 suomi kernel: [ 2.804725] [<c1072907>] ? __blocking_notifier_call_chain+0x37/0x50 Aug 11 17:31:52 suomi kernel: [ 2.804728] [<c1072937>] ? blocking_notifier_call_chain+0x17/0x20 Aug 11 17:31:52 suomi kernel: [ 2.804733] [<c128e8eb>] ? register_framebuffer+0x1bb/0x2d0 Aug 11 17:31:52 suomi kernel: [ 2.804739] [<f827515d>] ? drm_fb_helper_initial_config+0x2cd/0x1170 [drm_kms_helper] Aug 11 17:31:52 suomi kernel: [ 2.804788] [<f8a6c860>] ? gen4_write32+0x30/0xc0 [i915] Aug 11 17:31:52 suomi kernel: [ 2.804835] [<f8a6c7b6>] ? gen4_read32+0x36/0xb0 [i915] Aug 11 17:31:52 suomi kernel: [ 2.804888] [<f8a8fcff>] ? intel_fbdev_init+0x1af/0x530 [i915] Aug 11 17:31:52 suomi kernel: [ 2.804935] [<f8a5e0bf>] ? i915_hpd_irq_setup+0xaf/0xc0 [i915] Aug 11 17:31:52 suomi kernel: [ 2.804994] [<f8ab0337>] ? i915_driver_load+0xf17/0xfa0 [i915] Aug 11 17:31:52 suomi kernel: [ 2.805051] [<f8aad2c0>] ? i915_switcheroo_set_state+0x80/0x80 [i915] Aug 11 17:31:52 suomi kernel: [ 2.805057] [<c123291a>] ? kobject_uevent_env+0x15a/0x690 Aug 11 17:31:52 suomi kernel: [ 2.805061] [<c1232550>] ? cleanup_uevent_env+0x10/0x10 Aug 11 17:31:52 suomi kernel: [ 2.805066] [<c131415c>] ? get_device+0xc/0x20 Aug 11 17:31:52 suomi kernel: [ 2.805071] [<c143d8bb>] ? klist_node_init+0x2b/0x40 Aug 11 17:31:52 suomi kernel: [ 2.805075] [<c143d926>] ? klist_add_tail+0x16/0x30 Aug 11 17:31:52 suomi kernel: [ 2.805079] [<c13153f6>] ? device_add+0x1d6/0x5a0 Aug 11 17:31:52 suomi kernel: [ 2.805092] [<f888c252>] ? drm_sysfs_device_add+0xb2/0xf0 [drm] Aug 11 17:31:52 suomi kernel: [ 2.805104] [<f888903b>] ? drm_minor_register+0x11b/0x1a0 [drm] Aug 11 17:31:52 suomi kernel: [ 2.805115] [<f8889146>] ? drm_dev_register+0x86/0xd0 [drm] Aug 11 17:31:52 suomi kernel: [ 2.805126] [<f888b562>] ? drm_get_pci_dev+0x72/0x1b0 [drm] Aug 11 17:31:52 suomi kernel: [ 2.805132] [<c1264b85>] ? pci_device_probe+0x65/0xc0 Aug 11 17:31:52 suomi kernel: [ 2.805138] [<c11b141d>] ? sysfs_create_link+0x1d/0x40 Aug 11 17:31:52 suomi kernel: [ 2.805142] [<c1317c0e>] ? driver_probe_device+0x8e/0x3a0 Aug 11 17:31:52 suomi kernel: [ 2.805145] [<c14459eb>] ? schedule_preempt_disabled+0x1b/0x60 Aug 11 17:31:52 suomi kernel: [ 2.805148] [<c1446ec5>] ? __mutex_lock_slowpath+0xb5/0x175 Aug 11 17:31:52 suomi kernel: [ 2.805152] [<c1317f50>] ? __device_attach+0x30/0x30 Aug 11 17:31:52 suomi kernel: [ 2.805155] [<c1317fc1>] ? __driver_attach+0x71/0x80 Aug 11 17:31:52 suomi kernel: [ 2.805160] [<c131628f>] ? bus_for_each_dev+0x3f/0x70 Aug 11 17:31:52 suomi kernel: [ 2.805164] [<c1317746>] ? driver_attach+0x16/0x20 Aug 11 17:31:52 suomi kernel: [ 2.805166] [<c1317f50>] ? __device_attach+0x30/0x30 Aug 11 17:31:52 suomi kernel: [ 2.805170] [<c13173cf>] ? bus_add_driver+0x14f/0x230 Aug 11 17:31:52 suomi kernel: [ 2.805175] [<c12322e5>] ? kset_find_obj+0x25/0x70 Aug 11 17:31:52 suomi kernel: [ 2.805179] [<f878d000>] ? 0xf878cfff Aug 11 17:31:52 suomi kernel: [ 2.805182] [<c1318611>] ? driver_register+0x51/0xd0 Aug 11 17:31:52 suomi kernel: [ 2.805186] [<c1002122>] ? do_one_initcall+0xc2/0x1f0 Aug 11 17:31:52 suomi kernel: [ 2.805190] [<f878d000>] ? 0xf878cfff Aug 11 17:31:52 suomi kernel: [ 2.805195] [<c1133f0c>] ? free_vmap_area_noflush+0x1c/0x60 Aug 11 17:31:52 suomi kernel: [ 2.805198] [<c11355a0>] ? __vunmap+0x80/0xe0 Aug 11 17:31:52 suomi kernel: [ 2.805203] [<c10b9664>] ? load_module+0x1c74/0x2350 Aug 11 17:31:52 suomi kernel: [ 2.805212] [<c10b9ea5>] ? SyS_finit_module+0x75/0xc0 Aug 11 17:31:52 suomi kernel: [ 2.805217] [<c11c6a05>] ? security_mmap_file+0x25/0x70 Aug 11 17:31:52 suomi kernel: [ 2.805228] [<f89ffd8c>] ? ata_qc_new_init+0x15c/0x1a0 [libata] Aug 11 17:31:52 suomi kernel: [ 2.805232] [<c1448449>] ? syscall_call+0x7/0x7 Aug 11 17:31:52 suomi kernel: [ 2.805235] ---[ end trace 97cf480beecb3c3a ]---
