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Date: Thu, 5 Feb 2015 06:15:52 -0800
From: Fengguang Wu <fengguang.wu@...el.com>
To: Mika Kuoppala <mika.kuoppala@...ux.intel.com>
Cc: Daniel Vetter <daniel.vetter@...ll.ch>,
LKML <linux-kernel@...r.kernel.org>, lkp@...org
Subject: [drm/i915] WARNING: CPU: 0 PID: 229 at
drivers/gpu/drm/i915/intel_uncore.c:169
intel_uncore_forcewake_reset+0x290/0x350 [i915]()
FYI, we noticed the below changes on
git://anongit.freedesktop.org/drm-intel drm-intel-next-queued
commit f9b3927afbb97649f5c89f0815820167b7c5cba8 ("drm/i915: Do uncore early sanitize after domain init")
+--------------------------------------------------------------------------------------+------------+------------+
| | 21a11fff7c | f9b3927afb |
+--------------------------------------------------------------------------------------+------------+------------+
| boot_successes | 22 | 10 |
| early-boot-hang | 1 | |
| boot_failures | 0 | 12 |
| WARNING:at_drivers/gpu/drm/i915/intel_uncore.c:#intel_uncore_forcewake_reset[i915]() | 0 | 12 |
| backtrace:__intel_uncore_early_sanitize | 0 | 11 |
| backtrace:intel_uncore_init | 0 | 12 |
| backtrace:__pci_register_driver | 0 | 12 |
| backtrace:drm_pci_init | 0 | 12 |
| backtrace:i915_init | 0 | 12 |
| backtrace:load_module | 0 | 12 |
| backtrace:SyS_finit_module | 0 | 12 |
+--------------------------------------------------------------------------------------+------------+------------+
[ 10.372125] intel ips 0000:00:1f.6: failed to get i915 symbols, graphics turbo disabled until i915 loads
[ 10.378046] intel ips 0000:00:1f.6: IPS driver initialized, MCP temp limit 90
[ 10.384872] ------------[ cut here ]------------
[ 10.387076] WARNING: CPU: 0 PID: 229 at drivers/gpu/drm/i915/intel_uncore.c:169 intel_uncore_forcewake_reset+0x290/0x350 [i915]()
[ 10.393020] WARN_ON(dev_priv->uncore.fw_domains == 0)
[ 10.395152] Modules linked in:
[ 10.396711] libahci snd_hda_intel intel_ips uvcvideo i915(+) snd_hda_controller videobuf2_vmalloc snd_hda_codec libata snd_hwdep videobuf2_core thinkpad_acpi i2c_i801 pcspkr snd_pcm drm_kms_helper videobuf2_memops sdhci_pci firewire_ohci firewire_core v4l2_common sdhci rfkill crc_itu_t parport_pc mmc_core videodev snd_timer parport drm snd video wmi soundcore acpi_cpufreq
[ 10.411324] CPU: 0 PID: 229 Comm: modprobe Not tainted 3.19.0-rc7-next-20150204-gdf9f91e #1
[ 10.414809] Hardware name: LENOVO 25222AU/25222AU, BIOS 6IET52WW (1.12 ) 02/16/2010
[ 10.418422] ffffffffa037d410 ffff880076f7b768 ffffffff818b0ab8 00000000000039ee
[ 10.422049] ffff880076f7b7b8 ffff880076f7b7a8 ffffffff8107267a 000000000007ffff
[ 10.424999] 000077ff89e90078 0000000000000000 ffff880076170230 ffff8800761700c8
[ 10.428522] Call Trace:
[ 10.429275] [<ffffffff818b0ab8>] dump_stack+0x4c/0x65
[ 10.432087] [<ffffffff8107267a>] warn_slowpath_common+0x8a/0xc0
[ 10.434509] [<ffffffff810726f6>] warn_slowpath_fmt+0x46/0x50
[ 10.436891] [<ffffffff8144c5e0>] ? pci_do_find_bus+0x60/0x60
[ 10.440166] [<ffffffffa03084f0>] intel_uncore_forcewake_reset+0x290/0x350 [i915]
[ 10.442890] [<ffffffffa03085fe>] __intel_uncore_early_sanitize+0x4e/0x50 [i915]
[ 10.446494] [<ffffffffa0308692>] intel_uncore_init+0x62/0x600 [i915]
[ 10.448957] [<ffffffff8144a99a>] ? pci_dev_put+0x1a/0x20
[ 10.452092] [<ffffffffa035ac77>] i915_driver_load+0x1d7/0x10b0 [i915]
[ 10.454592] [<ffffffff817a4d0b>] ? netlink_broadcast_filtered+0x12b/0x380
[ 10.458032] [<ffffffff81412360>] ? cleanup_uevent_env+0x10/0x10
[ 10.460558] [<ffffffff814126f8>] ? kobject_uevent_env+0x178/0x690
[ 10.462897] [<ffffffff81559920>] ? devtmpfs_create_node+0x100/0x130
[ 10.466228] [<ffffffff8154e4c7>] ? get_device+0x17/0x30
[ 10.468429] [<ffffffff81554085>] ? klist_class_dev_get+0x15/0x20
[ 10.470947] [<ffffffff818a385a>] ? klist_add_tail+0x3a/0x40
[ 10.474038] [<ffffffff8154fd50>] ? device_add+0x190/0x670
[ 10.476324] [<ffffffffa00947d5>] drm_dev_register+0xb5/0x110 [drm]
[ 10.478786] [<ffffffffa009783d>] drm_get_pci_dev+0x8d/0x200 [drm]
[ 10.482135] [<ffffffffa02b405b>] i915_pci_probe+0x3b/0x60 [i915]
[ 10.484481] [<ffffffff8144b085>] local_pci_probe+0x45/0xa0
[ 10.486790] [<ffffffff8144c3f5>] ? pci_match_device+0xe5/0x110
[ 10.490117] [<ffffffff8144c531>] pci_device_probe+0xd1/0x120
[ 10.492357] [<ffffffff81553120>] driver_probe_device+0x90/0x3e0
[ 10.494776] [<ffffffff8155354b>] __driver_attach+0x9b/0xa0
[ 10.497001] [<ffffffff815534b0>] ? __device_attach+0x40/0x40
[ 10.500278] [<ffffffff81550efb>] bus_for_each_dev+0x6b/0xb0
[ 10.502524] [<ffffffff81552b9e>] driver_attach+0x1e/0x20
[ 10.504794] [<ffffffff81552760>] bus_add_driver+0x180/0x250
[ 10.507958] [<ffffffff81553d54>] driver_register+0x64/0xf0
[ 10.510345] [<ffffffff8144a8cc>] __pci_register_driver+0x4c/0x50
[ 10.512688] [<ffffffffa0097aaa>] drm_pci_init+0xfa/0x130 [drm]
[ 10.515156] [<ffffffffa03be000>] ? 0xffffffffa03be000
[ 10.518112] [<ffffffffa03be0a0>] i915_init+0xa0/0xa8 [i915]
[ 10.520506] [<ffffffff81002130>] do_one_initcall+0xc0/0x1f0
[ 10.522706] [<ffffffff811ca2cc>] ? kmem_cache_alloc_trace+0x1cc/0x240
[ 10.526101] [<ffffffff818ad4b1>] ? do_init_module+0x28/0x1cc
[ 10.528425] [<ffffffff818ad4ea>] do_init_module+0x61/0x1cc
[ 10.530809] [<ffffffff810faf8a>] load_module+0x141a/0x1970
[ 10.533007] [<ffffffff810f6a30>] ? store_uevent+0x40/0x40
[ 10.536121] [<ffffffff810fb686>] SyS_finit_module+0x86/0xb0
[ 10.538455] [<ffffffff818b9169>] system_call_fastpath+0x12/0x17
[ 10.540887] ---[ end trace 4ee18e929b1011ca ]---
[ 10.542936] [drm] Memory usable by graphics device = 2048M
Thanks,
Fengguang
View attachment "config-3.19.0-rc5-gf9b3927" of type "text/plain" (127645 bytes)
View attachment "dmesg" of type "text/plain" (155335 bytes)
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