Created attachment 96514 [details] dmesg System Environment: -------------------------- Platform: Haswell Kernel: (drm-intel-nightly) 10c69add19dda3677219254d3e9dc3becbb60b97 Bug detailed description: ----------------------------- Clean boot system, call trace appears in dmesg. The latest known good commit: b2040f6fed736ccd2319768bc59833abe74148b8 The latest known bad commit: 1bf70dad78613afeedc7e8550bb140ef5a19a2f1 dmesg: [ 1.050829] WARNING: CPU: 5 PID: 1338 at drivers/gpu/drm/drm_crtc_helper.c:131 drm_helper_probe_single_connector_modes+0x3f/0x2d2 [drm_kms_helper]() [ 1.050990] Modules linked in: i915(+) video button drm_kms_helper drm [ 1.051306] CPU: 5 PID: 1338 Comm: udevd Not tainted 3.14.0-rc7_drm-intel-next-queued_1bf70d_20140328+ #1106 [ 1.051485] Hardware name: Dell Inc. OptiPlex 9020/0DNKMN, BIOS A03 09/17/2013 [ 1.051633] 0000000000000000 0000000000000009 ffffffff81716de3 0000000000000000 [ 1.051926] ffffffff81035052 0000000000000190 ffffffffa00464ba ffff8800db39e978 [ 1.052217] ffff8800db1f1c00 0000000000000000 ffff8800dbbc0800 0000000000002000 [ 1.052525] Call Trace: [ 1.052617] [<ffffffff81716de3>] ? dump_stack+0x41/0x51 [ 1.052712] [<ffffffff81035052>] ? warn_slowpath_common+0x73/0x8b [ 1.052808] [<ffffffffa00464ba>] ? drm_helper_probe_single_connector_modes+0x3f/0x2d2 [drm_kms_helper] [ 1.052959] [<ffffffffa00464ba>] ? drm_helper_probe_single_connector_modes+0x3f/0x2d2 [drm_kms_helper] [ 1.053109] [<ffffffffa0047318>] ? drm_fb_helper_probe_connector_modes+0x38/0x4c [drm_kms_helper] [ 1.053259] [<ffffffffa004827c>] ? drm_fb_helper_initial_config+0x1ab/0x450 [drm_kms_helper] [ 1.053425] [<ffffffffa008e54a>] ? hsw_write32+0x80/0x9b [i915] [ 1.053542] [<ffffffffa00c4f9f>] ? i915_driver_load+0xbad/0xe1e [i915] [ 1.053642] [<ffffffffa000749f>] ? drm_dev_register+0x74/0xe7 [drm] [ 1.053740] [<ffffffffa0009729>] ? drm_get_pci_dev+0xff/0x1bc [drm] [ 1.053836] [<ffffffff81384e55>] ? __pm_runtime_resume+0x5b/0x6a [ 1.053933] [<ffffffff812f8bc9>] ? local_pci_probe+0x35/0x7a [ 1.054029] [<ffffffff8137c904>] ? driver_probe_device+0x1b3/0x1b3 [ 1.054125] [<ffffffff812f8e6c>] ? pci_device_probe+0xcc/0xf0 [ 1.054220] [<ffffffff8137c7e3>] ? driver_probe_device+0x92/0x1b3 [ 1.054316] [<ffffffff8137c957>] ? __driver_attach+0x53/0x73 [ 1.054411] [<ffffffff8137b0be>] ? bus_for_each_dev+0x4e/0x7f [ 1.054515] [<ffffffff8137c065>] ? bus_add_driver+0xe2/0x1c7 [ 1.054610] [<ffffffff8137ce9a>] ? driver_register+0x82/0xb5 [ 1.054704] [<ffffffffa00fc000>] ? 0xffffffffa00fbfff [ 1.054798] [<ffffffff81000296>] ? do_one_initcall+0x78/0xfa [ 1.054893] [<ffffffff8104e4af>] ? __blocking_notifier_call_chain+0x4f/0x5d [ 1.054991] [<ffffffff8107fe72>] ? load_module+0x1745/0x1a13 [ 1.055087] [<ffffffff8107da98>] ? mod_kobject_put+0x42/0x42 [ 1.055181] [<ffffffff810801d0>] ? SyS_init_module+0x90/0x9b [ 1.055277] [<ffffffff817214a2>] ? system_call_fastpath+0x16/0x1b [ 1.055372] ---[ end trace d52081c360bd53db ]---
It happens on haswell with -queued and -nightly kernel. It doesn't happen on -fixes kernel.
Is haswell the only platfrom where you see this?
Also, all these bugs should be fixed in -nightly (but not -testing yet and dinq).
Fixed on latest -nightly kernel.
Verified.Fixed.
Closing old verified.
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