From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Michal Wajdeczko" Subject: Re: [drm/i915] 202c1ca611: WARNING:at_drivers/gpu/drm/i915/intel_uncore.c:#intel_uncore_forcewake_for_reg[i915] Date: Sat, 07 Oct 2017 11:54:22 +0200 Message-ID: References: <20171007042508.4ewrka2aypnrwjgg@inn> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8"; Format="flowed"; DelSp="yes" Content-Transfer-Encoding: base64 Return-path: Received: from mga01.intel.com (mga01.intel.com [192.55.52.88]) by gabe.freedesktop.org (Postfix) with ESMTPS id 391586E2A3 for ; Sat, 7 Oct 2017 09:54:25 +0000 (UTC) In-Reply-To: <20171007042508.4ewrka2aypnrwjgg@inn> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: kernel test robot Cc: intel-gfx@lists.freedesktop.org, lkp@01.org List-Id: intel-gfx@lists.freedesktop.org T24gU2F0LCAwNyBPY3QgMjAxNyAwNjoyNTowOSArMDIwMCwga2VybmVsIHRlc3Qgcm9ib3QgIAo8 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Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable On Sat, 07 Oct 2017 06:25:09 +0200, kernel test robot = wrote: > FYI, we noticed the following commit (built with gcc-6): > > commit: 202c1ca611488c621eed76cd63132a2c2838ee5f ("drm/i915: Move core = > GuC functions into dedicated file") > url: = > https://github.com/0day-ci/linux/commits/Michal-Wajdeczko/drm-i915-Guc-co= de-reorg/20171002-205241 > base: git://anongit.freedesktop.org/drm-intel for-linux-next > > in testcase: aim9 > with following parameters: > > testtime: 300s > test: exec_test > cpufreq_governor: performance > > test-description: Suite IX is the "AIM Independent Resource Benchmark:" = > the famous synthetic benchmark. > test-url: https://sourceforge.net/projects/aimbench/files/aim-suite9/ > > > on test machine: 4 threads Intel(R) Core(TM) i3-3220 CPU @ 3.30GHz with = > 4G memory > > caused below changes (please refer to attached dmesg/kmsg for entire = > log/backtrace): > > > +----------------+------------+------------+ > | | 6691933020 | 202c1ca611 | > +----------------+------------+------------+ > | boot_successes | 3 | 4 | > +----------------+------------+------------+ > > > > kern :warn : [ 72.000033] WARNING: CPU: 0 PID: 179 at = > drivers/gpu/drm/i915/intel_uncore.c:1839 = > intel_uncore_forcewake_for_reg+0x1bb/0x250 [i915] This was fixed before merging series by moving part of the initialization new into intel_uc_init_mmio() See https://patchwork.freedesktop.org/patch/180608/ Thanks, Michal > kern :warn : [ 72.000037] Modules linked in: ppdev wmi_bmof = > kvm_intel(+) kvm irqbypass crct10dif_pclmul crc32_pclmul crc32c_intel = > snd_hda_intel i915(+) ahci(+) libahci ghash_clmulni_intel cryptd = > snd_hda_codec drm_kms_helper snd_hda_core syscopyarea sysfillrect = > snd_hwdep sysimgblt fb_sys_fops snd_pcm snd_timer libata snd soundcore = > pcspkr drm parport_pc shpchp wmi parport video ip_tables > kern :warn : [ 72.000052] CPU: 0 PID: 179 Comm: systemd-udevd Not = > tainted 4.13.0-rc5-01377-g202c1ca #1 > kern :warn : [ 72.000052] Hardware name: Hewlett-Packard HP Pro 3340 = > MT/17A1, BIOS 8.07 01/24/2013 > kern :warn : [ 72.000053] task: ffff88011d7a8000 task.stack: = > ffffc90000b28000 > kern :warn : [ 72.000080] RIP: = > 0010:intel_uncore_forcewake_for_reg+0x1bb/0x250 [i915] > kern :warn : [ 72.000080] RSP: 0018:ffffc90000b2ba78 EFLAGS: 00010296 > kern :warn : [ 72.000081] RAX: 0000000000000032 RBX: = > ffff88011b810000 RCX: 0000000000000000 > kern :warn : [ 72.000082] RDX: 0000000000000001 RSI: = > 0000000000000002 RDI: 0000000000000282 > kern :warn : [ 72.000083] RBP: ffffc90000b2baa0 R08: = > 0000000000000032 R09: ffffffff823555c0 > kern :warn : [ 72.000083] R10: 0000000000000010 R11: = > 0000000000000032 R12: 0000000000000001 > kern :warn : [ 72.000084] R13: 000000000000c180 R14: = > ffff88011b810000 R15: ffffffffa030f5e0 > kern :warn : [ 72.000085] FS: 00007f10e3fe68c0(0000) = > GS:ffff88011fa00000(0000) knlGS:0000000000000000 > kern :warn : [ 72.000086] CS: 0010 DS: 0000 ES: 0000 CR0: = > 0000000080050033 > kern :warn : [ 72.000086] CR2: 00007fe13fa89010 CR3: = > 000000011d7a4000 CR4: 00000000001406f0 > kern :warn : [ 72.000087] Call Trace: > kern :warn : [ 72.000115] intel_guc_init_early+0x99/0xc0 [i915] > kern :warn : [ 72.000141] intel_uc_init_early+0x15/0x20 [i915] > kern :warn : [ 72.000163] i915_driver_load+0x2f2/0xe20 [i915] > kern :warn : [ 72.000166] ? acpi_dev_found+0x64/0x70 > kern :warn : [ 72.000188] i915_pci_probe+0x4e/0x70 [i915] > kern :warn : [ 72.000190] local_pci_probe+0x45/0xa0 > kern :warn : [ 72.000191] pci_device_probe+0x132/0x170 > kern :warn : [ 72.000193] driver_probe_device+0x29c/0x450 > kern :warn : [ 72.000194] __driver_attach+0xdf/0xf0 > kern :warn : [ 72.000195] ? driver_probe_device+0x450/0x450 > kern :warn : [ 72.000196] bus_for_each_dev+0x60/0xa0 > kern :warn : [ 72.000197] driver_attach+0x1e/0x20 > kern :warn : [ 72.000198] bus_add_driver+0x170/0x270 > kern :warn : [ 72.000200] driver_register+0x60/0xe0 > kern :warn : [ 72.000201] __pci_register_driver+0x4c/0x50 > kern :warn : [ 72.000225] i915_init+0x57/0x5a [i915] > kern :warn : [ 72.000226] ? 0xffffffffa0386000 > kern :warn : [ 72.000228] do_one_initcall+0x43/0x170 > kern :warn : [ 72.000229] ? __might_sleep+0x4a/0x80 > kern :warn : [ 72.000231] ? kmem_cache_alloc_trace+0x163/0x1b0 > kern :warn : [ 72.000233] do_init_module+0x5f/0x1fe > kern :warn : [ 72.000235] load_module+0x1564/0x1c70 > kern :warn : [ 72.000236] ? ima_post_read_file+0x7e/0xa0 > kern :warn : [ 72.000238] ? kernel_read_file+0x1a3/0x1c0 > kern :warn : [ 72.000239] SYSC_finit_module+0xbc/0xf0 > kern :warn : [ 72.000241] ? SYSC_finit_module+0xbc/0xf0 > kern :warn : [ 72.000243] SyS_finit_module+0xe/0x10 > kern :warn : [ 72.000245] entry_SYSCALL_64_fastpath+0x1a/0xa5 > kern :warn : [ 72.000246] RIP: 0033:0x7f10e2e61d49 > kern :warn : [ 72.000246] RSP: 002b:00007ffce4df5b58 EFLAGS: = > 00000246 ORIG_RAX: 0000000000000139 > kern :warn : [ 72.000247] RAX: ffffffffffffffda RBX: = > 0000000000000014 RCX: 00007f10e2e61d49 > kern :warn : [ 72.000248] RDX: 0000000000000000 RSI: = > 00007f10e377d525 RDI: 0000000000000014 > kern :warn : [ 72.000248] RBP: 00007ffce4df4b50 R08: = > 0000000000000000 R09: 00007ffce4df60d0 > kern :warn : [ 72.000249] R10: 0000000000000014 R11: = > 0000000000000246 R12: 0000000000000005 > kern :warn : [ 72.000249] R13: 000000831cfee810 R14: = > 00007ffce4df4b30 R15: 0000000000000005 > kern :warn : [ 72.000250] Code: dc 41 89 c4 8b 83 14 07 00 00 f7 d0 = > 44 85 e0 0f 84 92 fe ff ff 48 c7 c6 98 7c 33 a0 48 c7 c7 bd 8b 32 a0 89 = > 55 dc e8 56 e8 e3 e0 <0f> ff 8b 55 dc e9 72 fe ff ff a8 60 0f 85 72 ff = > ff ff 45 31 f6 > kern :warn : [ 72.000266] ---[ end trace 53461f15f385117a ]--- > > > To reproduce: > > git clone https://github.com/intel/lkp-tests.git > cd lkp-tests > bin/lkp install job.yaml # job file is attached in this email > bin/lkp run job.yaml > > > > Thanks, > lkp --===============4284486795753428144==--