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Message-ID: <20200229014658.GP6548@shao2-debian>
Date: Sat, 29 Feb 2020 09:46:58 +0800
From: kernel test robot <lkp@...el.com>
To: Chris Wilson <chris@...is-wilson.co.uk>
Cc: 0day robot <lkp@...el.com>,
Mika Kuoppala <mika.kuoppala@...ux.intel.com>,
LKML <linux-kernel@...r.kernel.org>, lkp@...ts.01.org
Subject: [drm/i915/gt] 36511637bd:
WARNING:at_drivers/gpu/drm/i915/gt/intel_workarounds.c:#intel_gt_init_workarounds[i915]
FYI, we noticed the following commit (built with gcc-7):
commit: 36511637bd8526b63943cc06f40bf612de73080c ("drm/i915/gt: Apply Enable Boot Fetch to MBC control register")
https://github.com/0day-ci/linux/commits/UPDATE-20200209-084341/Chris-Wilson/drm-i915-gt-Apply-Enable-Boot-Fetch-to-MBC-control-register/20200209-084339
in testcase: suspend_stress
with following parameters:
mode: mem
iterations: 10
on test machine: 4 threads BroadWell with 8G memory
caused below changes (please refer to attached dmesg/kmsg for entire log/backtrace):
If you fix the issue, kindly add following tag
Reported-by: kernel test robot <lkp@...el.com>
kern :warn : [ 201.333927] WARNING: CPU: 1 PID: 281 at drivers/gpu/drm/i915/gt/intel_workarounds.c:979 intel_gt_init_workarounds+0xc4/0x350 [i915]
kern :warn : [ 201.334108] Modules linked in: i915(+) crct10dif_pclmul(+) crc32_pclmul crc32c_intel ghash_clmulni_intel iwlwifi btusb btrtl btbcm btintel snd_hda_codec_realtek(+) snd_hda_codec_generic drm_kms_helper ledtrig_audio ahci aesni_intel syscopyarea libahci sysfillrect crypto_simd snd_hda_intel snd_intel_dspcfg cryptd snd_hda_codec glue_helper bluetooth sysimgblt snd_hda_core fb_sys_fops pcspkr snd_hwdep libata ir_rc6_decoder cfg80211 snd_pcm ecdh_generic i2c_i801 lpc_ich joydev rc_rc6_mce ecc drm nuvoton_cir rfkill snd_timer snd mei_me mei soundcore rc_core video acpi_pad intel_pmc_core ip_tables
kern :warn : [ 201.334837] CPU: 1 PID: 281 Comm: systemd-udevd Not tainted 5.5.0-rc7-02125-g36511637bd8526 #2
kern :warn : [ 201.334957] Hardware name: /NUC5i3RYB, BIOS RYBDWi35.86A.0363.2017.0316.1028 03/16/2017
kern :warn : [ 201.335176] RIP: 0010:intel_gt_init_workarounds+0xc4/0x350 [i915]
kern :warn : [ 201.335266] Code: 80 fa 07 0f 84 55 02 00 00 80 fa 06 0f 84 4c 02 00 00 80 fa 05 76 60 48 c7 c6 49 4f 9d c0 48 c7 c7 62 4f 9d c0 e8 4c 9c 80 c0 <0f> 0b eb 49 48 89 ee e8 d0 f1 ff ff f6 83 8b 06 00 00 40 49 89 e4
kern :warn : [ 201.335524] RSP: 0018:ffffc90000247a08 EFLAGS: 00010282
kern :warn : [ 201.335599] RAX: 0000000000000000 RBX: ffff8881f9800000 RCX: 0000000000000007
kern :warn : [ 201.335700] RDX: 0000000000000000 RSI: 0000000000000096 RDI: ffff888256899b30
kern :warn : [ 201.335801] RBP: ffff8881f9806fa0 R08: 0000000000000a26 R09: 000000000000003b
kern :debug : [ 201.335841] initcall crct10dif_intel_mod_init+0x0/0x1000 [crct10dif_pclmul] returned 0 after 7181 usecs
kern :warn : [ 201.335901] R10: 0000000000000010 R11: ffffc900002478a8 R12: ffff888107c67000
kern :warn : [ 201.335904] R13: ffff8881f9807758 R14: ffff8881f98007b0 R15: ffff8881f9807948
kern :warn : [ 201.336233] FS: 00007f175bad78c0(0000) GS:ffff888256880000(0000) knlGS:0000000000000000
kern :warn : [ 201.336346] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
kern :warn : [ 201.336428] CR2: 00007f9ecc0e7520 CR3: 0000000202216003 CR4: 00000000003606e0
kern :warn : [ 201.336527] Call Trace:
kern :warn : [ 201.336662] i915_driver_probe+0xdb1/0x15a0 [i915]
kern :warn : [ 201.336739] ? __kernfs_new_node+0x174/0x1e0
kern :warn : [ 201.336804] ? _cond_resched+0x19/0x30
kern :warn : [ 201.336927] i915_pci_probe+0x54/0x170 [i915]
kern :warn : [ 201.336996] local_pci_probe+0x42/0x90
kern :warn : [ 201.337053] ? _cond_resched+0x19/0x30
kern :warn : [ 201.337110] pci_device_probe+0x10b/0x1c0
kern :warn : [ 201.337171] really_probe+0xef/0x420
kern :warn : [ 201.337226] driver_probe_device+0x61/0x120
kern :warn : [ 201.337289] device_driver_attach+0x4f/0x60
kern :warn : [ 201.337353] __driver_attach+0x9a/0x140
kern :warn : [ 201.337411] ? device_driver_attach+0x60/0x60
kern :warn : [ 201.337475] bus_for_each_dev+0x76/0xc0
kern :warn : [ 201.337533] ? klist_add_tail+0x3b/0x70
kern :warn : [ 201.337591] bus_add_driver+0x144/0x220
kern :warn : [ 201.337649] driver_register+0x5b/0xf0
kern :warn : [ 201.337777] i915_init+0x5b/0x6b [i915]
kern :warn : [ 201.337835] ? 0xffffffffc064b000
kern :warn : [ 201.337887] do_one_initcall+0x46/0x220
kern :warn : [ 201.337947] ? _cond_resched+0x19/0x30
kern :warn : [ 201.338005] ? kmem_cache_alloc_trace+0x3b/0x230
kern :warn : [ 201.338074] do_init_module+0x5b/0x21d
kern :warn : [ 201.338132] load_module+0x1b8f/0x2010
kern :warn : [ 201.338191] ? ima_post_read_file+0xe2/0x120
kern :warn : [ 201.338256] ? __do_sys_finit_module+0xe9/0x110
kern :warn : [ 201.338323] __do_sys_finit_module+0xe9/0x110
kern :warn : [ 201.338391] do_syscall_64+0x5b/0x1f0
kern :warn : [ 201.338448] entry_SYSCALL_64_after_hwframe+0x44/0xa9
kern :warn : [ 201.338522] RIP: 0033:0x7f175a954229
kern :warn : [ 201.338575] Code: 00 f3 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 3f 4c 2b 00 f7 d8 64 89 01 48
kern :warn : [ 201.338829] RSP: 002b:00007ffd11f22ba8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
kern :warn : [ 201.338938] RAX: ffffffffffffffda RBX: 00005632e1713910 RCX: 00007f175a954229
kern :warn : [ 201.339039] RDX: 0000000000000000 RSI: 00007f175b26d265 RDI: 0000000000000013
kern :warn : [ 201.339140] RBP: 00007f175b26d265 R08: 0000000000000000 R09: 00007ffd11f23120
kern :warn : [ 201.339243] R10: 0000000000000013 R11: 0000000000000246 R12: 0000000000000000
kern :warn : [ 201.339345] R13: 00005632e170a0a0 R14: 0000000000020000 R15: 00005632df731cbc
kern :warn : [ 201.339448] ---[ end trace 197ca55b67255237 ]---
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
View attachment "config-5.5.0-rc7-02125-g36511637bd8526" of type "text/plain" (202345 bytes)
View attachment "job-script" of type "text/plain" (4869 bytes)
Download attachment "kmsg.xz" of type "application/x-xz" (68348 bytes)
View attachment "suspend_stress" of type "text/plain" (3678 bytes)
View attachment "job.yaml" of type "text/plain" (4036 bytes)
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