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<b><a class="bz_bug_link
bz_status_REOPENED "
title="REOPENED - [IGT] igt@gem_exec/igt@gem_reloc/igt@sync some subtests has a dmesg-warn watchdog: BUG: soft lockup - CPU#1 stuck for 23s!"
href="https://bugs.freedesktop.org/show_bug.cgi?id=103738#c28">Comment # 28</a>
on <a class="bz_bug_link
bz_status_REOPENED "
title="REOPENED - [IGT] igt@gem_exec/igt@gem_reloc/igt@sync some subtests has a dmesg-warn watchdog: BUG: soft lockup - CPU#1 stuck for 23s!"
href="https://bugs.freedesktop.org/show_bug.cgi?id=103738">bug 103738</a>
from <span class="vcard"><a class="email" href="mailto:ricardo.o.perez@intel.com" title="Ricardo Perez <ricardo.o.perez@intel.com>"> <span class="fn">Ricardo Perez</span></a>
</span></b>
<pre>The following tests are failing on CNL QA systems:
gem_exec_reloc@readonly-30
gem_exec_reloc@readonly-31
Software version:
IGT-Version: 1.22-g0721161 (x86_64) (Linux:
4.16.0-rc6-drm-intel-qa-ww12-commit-4db112a+ x86_64)
Subtest readonly-30: SUCCESS (61.594s)
Dmesg-warn:
[ 579.573912] Setting dangerous option reset - tainting kernel
[ 604.039990] watchdog: BUG: soft lockup - CPU#3 stuck for 22s!
[gem_exec_reloc:2144]
[ 604.039997] Modules linked in: snd_hda_codec_hdmi bnep 8250_dw nls_iso8859_1
arc4 snd_soc_skl x86_pkg_temp_thermal intel_powerclamp snd_soc_skl_ipc coretemp
snd_soc_sst_ipc snd_soc_sst_dsp kvm_intel snd_hda_ext_core
snd_hda_codec_realtek snd_soc_acpi snd_hda_codec_generic kvm snd_soc_core
snd_compress snd_pcm_dmaengine irqbypass ac97_bus crct10dif_pclmul iwlmvm
crc32_pclmul ghash_clmulni_intel pcbc mac80211 aesni_intel snd_hda_intel
aes_x86_64 crypto_simd glue_helper cryptd snd_hda_codec snd_hda_core snd_hwdep
snd_pcm snd_seq_midi snd_seq_midi_event snd_rawmidi serio_raw snd_seq wmi_bmof
btusb btrtl snd_seq_device btbcm iwlwifi asix snd_timer btintel usbnet mii
bluetooth snd input_leds soundcore ecdh_generic idma64 shpchp virt_dma mei_me
intel_lpss_pci cfg80211 mei intel_pch_thermal intel_lpss acpi_pad
[ 604.040035] mac_hid parport_pc ppdev lp parport ip_tables x_tables autofs4
uas usb_storage hid_generic usbhid hid i915 dwc3 udc_core ulpi e1000e dwc3_pci
prime_numbers wmi video
[ 604.040049] CPU: 3 PID: 2144 Comm: gem_exec_reloc Tainted: G U W
4.16.0-rc6-drm-intel-qa-ww12-commit-4db112a+ #1
[ 604.040049] Hardware name: Intel Corporation CannonLake Client
Platform/CannonLake Y LPDDR4 RVP, BIOS CNLSFWR1.R00.X124.B02.1802051422
02/05/2018
[ 604.040086] RIP: 0010:i915_exit+0x44/0x3b7 [i915]
[ 604.040087] RSP: 0018:ffffbba98215f8d0 EFLAGS: 00050246 ORIG_RAX:
ffffffffffffff12
[ 604.040089] RAX: 0000000000000000 RBX: ffffbba98215fb58 RCX:
ffff9eb231e55004
[ 604.040090] RDX: 0000000000000000 RSI: 0000000000000000 RDI:
0000000000000000
[ 604.040091] RBP: ffff9eb22d796100 R08: 0000000000001000 R09:
0000000001e2ed51
[ 604.040092] R10: ffff9eb22d796100 R11: 0000000000000001 R12:
00007f7ce694ac10
[ 604.040092] R13: 00007f7ce694aa30 R14: ffffbba98215f900 R15:
ffff9eb22d2295c0
[ 604.040094] FS: 00007f7ced73a8c0(0000) GS:ffff9eb23f980000(0000)
knlGS:0000000000000000
[ 604.040095] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 604.040095] CR2: 00007f7ce694aa30 CR3: 00000002af862002 CR4:
0000000000760ee0
[ 604.040096] PKRU: 55555554
[ 604.040097] Call Trace:
[ 604.040124] i915_gem_do_execbuffer+0x591/0x1020 [i915]
[ 604.040131] ? shmem_getpage_gfp+0x7a1/0xcf0
[ 604.040135] ? is_bpf_text_address+0xa/0x20
[ 604.040138] ? __save_stack_trace+0x92/0x100
[ 604.040140] ? create_object+0x24e/0x300
[ 604.040161] i915_gem_execbuffer2_ioctl+0xe7/0x340 [i915]
[ 604.040180] ? i915_gem_execbuffer_ioctl+0x2b0/0x2b0 [i915]
[ 604.040184] drm_ioctl_kernel+0x67/0xb0
[ 604.040186] drm_ioctl+0x2d4/0x3c0
[ 604.040205] ? i915_gem_execbuffer_ioctl+0x2b0/0x2b0 [i915]
[ 604.040208] ? vma_merge+0xc8/0x330
[ 604.040211] do_vfs_ioctl+0xa2/0x610
[ 604.040214] SyS_ioctl+0x74/0x80
[ 604.040217] do_syscall_64+0x6e/0x120
[ 604.040220] entry_SYSCALL_64_after_hwframe+0x3d/0xa2
[ 604.040222] RIP: 0033:0x7f7ceb91aef7
[ 604.040222] RSP: 002b:00007ffebad27fd8 EFLAGS: 00000246 ORIG_RAX:
0000000000000010
[ 604.040224] RAX: ffffffffffffffda RBX: 0000000000000003 RCX:
00007f7ceb91aef7
[ 604.040225] RDX: 00007ffebad28090 RSI: 0000000040406469 RDI:
0000000000000003
[ 604.040225] RBP: 00007ffebad28090 R08: ffffffffffffffff R09:
0000000000000000
[ 604.040226] R10: 000000000000049e R11: 0000000000000246 R12:
0000000040406469
[ 604.040227] R13: 0000000000000003 R14: 00007ffebad28090 R15:
0000000002000000
[ 604.040228] Code: ff ff ff e9 75 11 f1 ff b9 f2 ff ff ff e9 7d 11 f1 ff b8
f2 ff ff ff 40 30 f6 e9 d3 3a f2 ff b8 f2 ff ff ff 30 d2 e9 db 3a f2 ff <ba> f2
ff ff ff e9 6b 55 f2 ff b8 f2 ff ff ff e9 1c 5a f2 ff b8</pre>
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