Bug 197380

Summary: DRM related logspam
Product: Base System Reporter: Poul-Henning Kamp <phk>
Component: kernAssignee: Konstantin Belousov <kib>
Status: Closed Overcome By Events    
Severity: Affects Only Me CC: emaste, pasi+freebsd
Priority: ---    
Version: CURRENT   
Hardware: Any   
OS: Any   
Attachments:
Description Flags
dmesg from my system none

Description Poul-Henning Kamp freebsd_committer 2015-02-06 21:15:08 UTC
Garrett Cooper asked for at ticket about this logspam:

 Feb  6 21:00:01 critter kernel: error: [drm:pid1090:gen6_sanitize_pm] *ERROR* Power management discrepancy: GEN6_RP_INTERRUPT_LIMITS expected 19070000, was 00000000
 Feb  6 21:00:14 critter kernel: error: [drm:pid1090:gen6_sanitize_pm] *ERROR* Power management discrepancy: GEN6_RP_INTERRUPT_LIMITS expected 00070000, was 19000000
 Feb  6 21:00:44 critter kernel: error: [drm:pid1090:gen6_sanitize_pm] *ERROR* Power management discrepancy: GEN6_RP_INTERRUPT_LIMITS expected 19070000, was 00000000
 Feb  6 21:00:54 critter kernel: error: [drm:pid1090:gen6_sanitize_pm] *ERROR* Power management discrepancy: GEN6_RP_INTERRUPT_LIMITS expected 00070000, was 19070000
 Feb  6 21:01:26 critter kernel: error: [drm:pid1090:gen6_sanitize_pm] *ERROR* Power management discrepancy: GEN6_RP_INTERRUPT_LIMITS expected 19070000, was 00000000
 Feb  6 21:01:43 critter kernel: error: [drm:pid1090:gen6_sanitize_pm] *ERROR* Power management discrepancy: GEN6_RP_INTERRUPT_LIMITS expected 19070000, was 19000000
 Feb  6 21:02:10 critter kernel: error: [drm:pid1090:gen6_sanitize_pm] *ERROR* Power management discrepancy: GEN6_RP_INTERRUPT_LIMITS expected 19070000, was 19000000
 Feb  6 21:02:38 critter kernel: error: [drm:pid1090:gen6_sanitize_pm] *ERROR* Power management discrepancy: GEN6_RP_INTERRUPT_LIMITS expected 00070000, was 19070000
Comment 1 Pasi Koivisto 2016-01-28 20:15:51 UTC
Created attachment 166246 [details]
dmesg from my system
Comment 2 Pasi Koivisto 2016-01-28 20:16:49 UTC
(In reply to Pasi Koivisto from comment #1)

I am seeing similar messages in my logs:

Jan 28 14:27:04 X230 kernel: info: [drm] Enabling RC6 states: RC6 on, RC6p on, RC6pp on
Jan 28 14:27:04 X230 kernel: error: [drm:pid4482:intel_lvds_enable] *ERROR* timed out waiting for panel to power off
Jan 28 14:27:04 X230 kernel: error: [drm:pid1341:gen6_sanitize_pm] *ERROR* Power management discrepancy: GEN6_RP_INTERRUPT_LIMITS expected 16000000, was 12060000
Jan 28 14:27:08 X230 kernel: error: [drm:pid1341:gen6_sanitize_pm] *ERROR* Power management discrepancy: GEN6_RP_INTERRUPT_LIMITS expected 16070000, was 16000000
Jan 28 14:28:03 X230 kernel: error: [drm:pid1341:gen6_sanitize_pm] *ERROR* Power management discrepancy: GEN6_RP_INTERRUPT_LIMITS expected 00070000, was 16070000