Created attachment 96132 [details] dmesg system Environment: -------------------------- Platform: Pineview/Ironlake Kernel: drm-intel-nightly/2c0d38d786b40c51f9270c525d904a88eec70960 Bug detailed description: ----------------------------- Clean boot system, report call trace in dmesg. It happens on Pineview/Ironlake with -nightly and -queued kernel. The latest known good commit:b2040f6fed736ccd2319768bc59833abe74148b8 The latest known bad commit: 4726e0b045b80c514377da35ca01467ef6a4de53 Call trace: [ 1.528437] ------------[ cut here ]------------ [ 1.528521] WARNING: CPU: 1 PID: 1256 at drivers/gpu/drm/drm_crtc_helper.c:131 drm_helper_probe_single_connector_modes+0x3f/0x2d2 [drm_kms_helper]() [ 1.528671] Modules linked in: i915(+) video button drm_kms_helper drm [ 1.528853] CPU: 1 PID: 1256 Comm: udevd Not tainted 3.14.0-rc7_drm-intel-nightly_2c0d38_20140321+ #878 [ 1.528995] Hardware name: Gigabyte Technology Co., Ltd. H55M-UD2H/H55M-UD2H, BIOS F4 12/02/2009 [ 1.529136] 0000000000000000 0000000000000009 ffffffff81716de3 0000000000000000 [ 1.529352] ffffffff81035052 0000000000000086 ffffffffa00464ba ffff880002d3a970 [ 1.529554] ffff8800d34e6c00 0000000000000000 ffff8800d36fd800 0000000000002000 [ 1.529756] Call Trace: [ 1.529834] [<ffffffff81716de3>] ? dump_stack+0x41/0x51 [ 1.529916] [<ffffffff81035052>] ? warn_slowpath_common+0x73/0x8b [ 1.529999] [<ffffffffa00464ba>] ? drm_helper_probe_single_connector_modes+0x3f/0x2d2 [drm_kms_helper] [ 1.530142] [<ffffffffa00464ba>] ? drm_helper_probe_single_connector_modes+0x3f/0x2d2 [drm_kms_helper] [ 1.530293] [<ffffffffa0047318>] ? drm_fb_helper_probe_connector_modes+0x38/0x4c [drm_kms_helper] [ 1.530440] [<ffffffffa004827c>] ? drm_fb_helper_initial_config+0x1ab/0x450 [drm_kms_helper] [ 1.530582] [<ffffffff810d9b6d>] ? kmem_cache_alloc+0x23/0xac [ 1.530687] [<ffffffffa008d478>] ? gen5_write32+0x21/0x47 [i915] [ 1.530782] [<ffffffffa0082ca2>] ? ibx_display_interrupt_update+0x91/0xb4 [i915] [ 1.530931] [<ffffffffa008d478>] ? gen5_write32+0x21/0x47 [i915] [ 1.531030] [<ffffffffa00c4a9d>] ? i915_driver_load+0xbad/0xe1e [i915] [ 1.531118] [<ffffffffa0007613>] ? drm_dev_register+0x74/0xe7 [drm] [ 1.531203] [<ffffffffa000989d>] ? drm_get_pci_dev+0xff/0x1bc [drm] [ 1.531299] [<ffffffff81384e55>] ? __pm_runtime_resume+0x5b/0x6a [ 1.531387] [<ffffffff812f8bc9>] ? local_pci_probe+0x35/0x7a [ 1.531470] [<ffffffff8137c904>] ? driver_probe_device+0x1b3/0x1b3 [ 1.531554] [<ffffffff812f8e6c>] ? pci_device_probe+0xcc/0xf0 [ 1.531636] [<ffffffff8137c7e3>] ? driver_probe_device+0x92/0x1b3 [ 1.531719] [<ffffffff8137c957>] ? __driver_attach+0x53/0x73 [ 1.531801] [<ffffffff8137b0be>] ? bus_for_each_dev+0x4e/0x7f [ 1.531882] [<ffffffff8137c065>] ? bus_add_driver+0xe2/0x1c7 [ 1.531964] [<ffffffff8137ce9a>] ? driver_register+0x82/0xb5 [ 1.532045] [<ffffffffa00fa000>] ? 0xffffffffa00f9fff [ 1.532126] [<ffffffff81000296>] ? do_one_initcall+0x78/0xfa [ 1.532210] [<ffffffff8104e4af>] ? __blocking_notifier_call_chain+0x4f/0x5d [ 1.532308] [<ffffffff8107fe72>] ? load_module+0x1745/0x1a13 [ 1.532394] [<ffffffff8107da98>] ? mod_kobject_put+0x42/0x42 [ 1.532476] [<ffffffff810801d0>] ? SyS_init_module+0x90/0x9b [ 1.532560] [<ffffffff817214a2>] ? system_call_fastpath+0x16/0x1b [ 1.532643] ---[ end trace bdb730fdb96ba406 ]---
Fixed in -nightly. Note that some of the fixes are in drm-next, so dinq itself will still have WARN backtraces like this.
Verified.Fixed.
Closing old verified.
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