Bug 109465 - Intel-DRM stack trace after waking up from suspend-to-ram [gen5]
Summary: Intel-DRM stack trace after waking up from suspend-to-ram [gen5]
Status: RESOLVED FIXED
Alias: None
Product: DRI
Classification: Unclassified
Component: DRM/Intel (show other bugs)
Version: XOrg git
Hardware: Other All
: medium normal
Assignee: Intel GFX Bugs mailing list
QA Contact: Intel GFX Bugs mailing list
URL:
Whiteboard:
Keywords:
Depends on:
Blocks:
 
Reported: 2019-01-27 18:17 UTC by Clemens Eisserer
Modified: 2019-01-27 18:24 UTC (History)
1 user (show)

See Also:
i915 platform:
i915 features:

Attachments

Description Clemens Eisserer 2019-01-27 18:17:28 UTC 
Linux localhost.localdomain 4.20.3-200.fc29.x86_64 #1 SMP Thu Jan 17 15:19:35 UTC 2019 x86_64 x86_64 x86_64 GNU/Linux

after waking up from suspend to ram:

[ 2324.049960] IRQ 29: no longer affine to CPU1
[ 2324.051001] smpboot: CPU 1 is now offline
[ 2324.058558] ------------[ cut here ]------------
[ 2324.058559] RPM wakelock ref not held during HW access
[ 2324.058657] WARNING: CPU: 3 PID: 810 at drivers/gpu/drm/i915/intel_drv.h:2015 gen5_read32+0x114/0x120 [i915]
[ 2324.058658] Modules linked in: fuse rfcomm ipt_MASQUERADE iptable_nat nf_nat_ipv4 xt_addrtype xt_conntrack nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 br_netfilter bridge stp llc bnep sunrpc snd_hda_codec_hdmi snd_hda_codec_idt snd_hda_codec_generic intel_powerclamp coretemp kvm_intel uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common videodev btusb i915 btrtl btbcm btintel bluetooth media ecdh_generic iTCO_wdt arc4 mei_wdt iTCO_vendor_support kvmgt vfio_mdev mdev iwldvm vfio_iommu_type1 vfio kvm mac80211 intel_cstate intel_uncore snd_hda_intel snd_hda_codec irqbypass iwlwifi i2c_algo_bit drm_kms_helper snd_hda_core cfg80211 snd_hwdep snd_seq wmi_bmof sdhci_pci hp_wmi joydev sparse_keymap cqhci sdhci snd_seq_device drm snd_pcm intel_ips mmc_core mei_me lpc_ich snd_timer mei e1000e snd rfkill soundcore hp_accel lis3lv02d tpm_infineon pcc_cpufreq input_polldev acpi_cpufreq binfmt_misc vboxpci(OE) vboxnetadp(OE) vboxnetflt(OE) vboxdrv(OE) btrfs libcrc32c xor
[ 2324.058693]  zstd_decompress zstd_compress xxhash raid6_pq dm_crypt crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw wmi video
[ 2324.058702] CPU: 3 PID: 810 Comm: ips-monitor Tainted: G           OE     4.20.3-200.fc29.x86_64 #1
[ 2324.058703] Hardware name: Hewlett-Packard HP EliteBook 2540p/7008, BIOS 68CSU Ver. F.60 11/11/2015
[ 2324.058729] RIP: 0010:gen5_read32+0x114/0x120 [i915]
[ 2324.058731] Code: 04 e9 31 ff ff ff 80 3d db 14 16 00 00 0f 85 32 ff ff ff 48 c7 c7 c0 66 c8 c0 89 54 24 04 c6 05 c3 14 16 00 01 e8 b6 cc 50 d8 <0f> 0b 8b 54 24 04 e9 10 ff ff ff 90 66 66 66 66 90 41 56 41 55 41
[ 2324.058731] RSP: 0018:ffffaa15c155be48 EFLAGS: 00010086
[ 2324.058732] RAX: 0000000000000000 RBX: ffff8b86eed48000 RCX: 0000000000000000
[ 2324.058733] RDX: 0000000000000002 RSI: ffffffff9a99e64a RDI: 0000000000000046
[ 2324.058734] RBP: 00000000000112e4 R08: 0000000000000002 R09: 00000000000207c0
[ 2324.058735] R10: 0000055e6a908690 R11: 000000000002bce4 R12: 00000000000000d0
[ 2324.058735] R13: ffff8b86ee3ee700 R14: ffff8b86ee3eea40 R15: ffff8b86ed805528
[ 2324.058736] FS:  0000000000000000(0000) GS:ffff8b86f5ac0000(0000) knlGS:0000000000000000
[ 2324.058737] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2324.058738] CR2: 00007f7942ab8eb6 CR3: 000000005303e001 CR4: 00000000000206e0
[ 2324.058739] Call Trace:
[ 2324.058766]  __i915_chipset_val+0x4b/0x150 [i915]
[ 2324.058788]  i915_read_mch_val+0x29/0x50 [i915]
[ 2324.058792]  ips_monitor+0x470/0x560 [intel_ips]
[ 2324.058794]  ? ips_probe+0x640/0x640 [intel_ips]
[ 2324.058798]  kthread+0x112/0x130
[ 2324.058801]  ? kthread_create_on_node+0x60/0x60
[ 2324.058805]  ret_from_fork+0x1f/0x40
[ 2324.058807] ---[ end trace 5e118e5e911d0b75 ]---
[ 2324.063020] IRQ 30: no longer affine to CPU2
[ 2324.064063] smpboot: CPU 2 is now offline
[ 2324.072911] IRQ 20: no longer affine to CPU3
[ 2324.073940] smpboot: CPU 3 is now offline
[ 2324.078027] ACPI: Low-level resume complete
[ 2324.078083] ACPI: EC: EC started
[ 2324.078084] PM: Restoring platform NVS memory
[ 2324.078466] Enabling non-boot CPUs ...
[ 2324.078520] x86: Booting SMP configuration:
[ 2324.078521] smpboot: Booting Node 0 Processor 1 APIC 0x1
[ 2324.081204]  cache: parent cpu1 should not be sleeping
[ 2324.081544] CPU1 is up
[ 2324.081579] smpboot: Booting Node 0 Processor 2 APIC 0x4
[ 2324.084044]  cache: parent cpu2 should not be sleeping
[ 2324.084366] CPU2 is up
[ 2324.084400] smpboot: Booting Node 0 Processor 3 APIC 0x5
[ 2324.086914]  cache: parent cpu3 should not be sleeping
[ 2324.087249] CPU3 is up
[ 2324.089320] ACPI: Waking up from system sleep state S3
Comment 1 Chris Wilson 2019-01-27 18:24:09 UTC 
Noisy but harmless (as the rpm warnings are for debugging only on gen5).

commit 4a8ab5ea0cde753b03bfefe4c98a8c4c61f46550
Author: Chris Wilson <chris@chris-wilson.co.uk>
Date:   Mon Jan 14 14:21:29 2019 +0000

    drm/i915: Mark up Ironlake ips with rpm wakerefs

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