Public bug reported:
[ 2249.763713] ------------[ cut here ]------------
[ 2249.763716] RPM wakelock ref not held during HW access
[ 2249.763839] WARNING: CPU: 3 PID: 472 at
drivers/gpu/drm/i915/intel_drv.h:2138 gen5_read32+0x11d/0x130 [i915]
[ 2249.763840] Modules linked in: nfnetlink xt_tcpudp snd_hda_codec_hdmi
xt_conntrack snd_hda_codec_realtek nf_conntrack snd_hda_codec_generic
ledtrig_audio nf_defrag_ipv6 nf_defrag_ipv4 iptable_filter snd_hda_intel
bpfilter snd_hda_codec snd_hda_core snd_hwdep arc4 snd_pcm snd_seq_midi
snd_seq_midi_event uvcvideo ath9k videobuf2_vmalloc videobuf2_memops
videobuf2_v4l2 ath9k_common videobuf2_common ath9k_hw snd_rawmidi
intel_powerclamp coretemp ath videodev media mac80211 intel_cstate snd_seq
joydev input_leds cfg80211 serio_raw intel_ips snd_seq_device snd_timer snd
sony_laptop mac_hid mei_me mei soundcore sch_fq_codel parport_pc ppdev lp
parport ip_tables x_tables autofs4 xfs btrfs xor zstd_compress raid6_pq
libcrc32c dm_mirror dm_region_hash dm_log i915 kvmgt vfio_mdev mdev
vfio_iommu_type1 vfio kvm irqbypass i2c_algo_bit drm_kms_helper syscopyarea
sysfillrect sysimgblt fb_sys_fops sdhci_pci psmouse drm ahci libahci cqhci sky2
lpc_ich sdhci video
[ 2249.763900] CPU: 3 PID: 472 Comm: ips-monitor Not tainted 5.0.0-8-generic
#9-Ubuntu
[ 2249.763902] Hardware name: Sony Corporation VPCEB15FM/VAIO, BIOS R0300Y8
07/20/2010
[ 2249.763952] RIP: 0010:gen5_read32+0x11d/0x130 [i915]
[ 2249.763955] Code: 55 dc e9 2d ff ff ff 80 3d 47 19 11 00 00 0f 85 2e ff ff
ff 48 c7 c7 f0 f8 45 c0 89 55 dc c6 05 30 19 11 00 01 e8 15 1a 72 d6 <0f> 0b 8b
55 dc e9 0e ff ff ff 66 0f 1f 84 00 00 00 00 00 66 66 66
[ 2249.763957] RSP: 0018:ffffb92cc0a33e20 EFLAGS: 00010082
[ 2249.763959] RAX: 0000000000000000 RBX: ffff99a184740000 RCX: 0000000000000000
[ 2249.763961] RDX: 0000000000000002 RSI: ffffffff9855a8ea RDI: 0000000000000046
[ 2249.763962] RBP: ffffb92cc0a33e48 R08: 0000000000000002 R09: ffffffff9855a8c0
[ 2249.763964] R10: 0000045fb6a38aa0 R11: 0000000000000000 R12: 00000000000112e4
[ 2249.763966] R13: 00000000000000cc R14: ffff99a18cb57ec0 R15: ffff99a18cb57f40
[ 2249.763968] FS: 0000000000000000(0000) GS:ffff99a193ec0000(0000)
knlGS:0000000000000000
[ 2249.763970] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2249.763972] CR2: 00007f369be34000 CR3: 000000004460e000 CR4: 00000000000006e0
[ 2249.763974] Call Trace:
[ 2249.764018] __i915_chipset_val+0x51/0x160 [i915]
[ 2249.764059] i915_read_mch_val+0x2e/0x60 [i915]
[ 2249.764064] ips_monitor+0x46c/0x560 [intel_ips]
[ 2249.764070] kthread+0x120/0x140
[ 2249.764073] ? ips_probe+0x650/0x650 [intel_ips]
[ 2249.764077] ? __kthread_parkme+0x70/0x70
[ 2249.764081] ret_from_fork+0x35/0x40
[ 2249.764085] ---[ end trace d7875370c8c0873e ]---
ProblemType: Bug
DistroRelease: Ubuntu 19.04
Package: linux-image-generic 5.0.0.8.9
ProcVersionSignature: Ubuntu 5.0.0-8.9-generic 5.0.1
Uname: Linux 5.0.0-8-generic x86_64
ApportVersion: 2.20.10-0ubuntu25
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: js1 2367 F.... pulseaudio
CurrentDesktop: LXQt
Date: Sat Apr 6 22:23:10 2019
InstallationDate: Installed on 2019-03-10 (27 days ago)
InstallationMedia: Lubuntu 18.10 "Cosmic Cuttlefish" - Release amd64
(20181017.2)
Lsusb:
Bus 002 Device 002: ID 8087:0020 Intel Corp. Integrated Rate Matching Hub
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 003: ID 0c45:6409 Microdia Webcam
Bus 001 Device 002: ID 8087:0020 Intel Corp. Integrated Rate Matching Hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
MachineType: Sony Corporation VPCEB15FM
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.0.0-8-generic
root=UUID=21099aa8-c55d-4180-9011-29a6f9fe4561 ro ipv6.disable=1
elevator=deadline quiet splash resume=UUID=a926bd0d-7579-483f-a6a8-edafea197e79
vt.handoff=1
RelatedPackageVersions:
linux-restricted-modules-5.0.0-8-generic N/A
linux-backports-modules-5.0.0-8-generic N/A
linux-firmware 1.178
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 07/20/2010
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: R0300Y8
dmi.board.asset.tag: N/A
dmi.board.name: VAIO
dmi.board.vendor: Sony Corporation
dmi.board.version: N/A
dmi.chassis.asset.tag: N/A
dmi.chassis.type: 10
dmi.chassis.vendor: Sony Corporation
dmi.chassis.version: N/A
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvrR0300Y8:bd07/20/2010:svnSonyCorporation:pnVPCEB15FM:pvrC604MRN6:rvnSonyCorporation:rnVAIO:rvrN/A:cvnSonyCorporation:ct10:cvrN/A:
dmi.product.family: VAIO
dmi.product.name: VPCEB15FM
dmi.product.sku: N/A
dmi.product.version: C604MRN6
dmi.sys.vendor: Sony Corporation
** Affects: linux (Ubuntu)
Importance: Undecided
Status: Confirmed
** Tags: amd64 apport-bug disco
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https://bugs.launchpad.net/bugs/1823499
Title:
RPM wakelock ref not held during HW access
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