kern/56245: NetBSD 9.2 amd64 with AMD FirePro W4100 throws constant kernel errors of 'Can't enable IRQ/MSI because no handler is installed'

To: kern-bug-people%netbsd.org@localhost,gnats-admin%netbsd.org@localhost,netbsd-bugs%netbsd.org@localhost
Subject: kern/56245: NetBSD 9.2 amd64 with AMD FirePro W4100 throws constant kernel errors of 'Can't enable IRQ/MSI because no handler is installed'
From: rawallis%panix.com@localhost
Date: Sun, 13 Jun 2021 21:40:00 +0000 (UTC)

>Number:         56245
>Category:       kern
>Synopsis:       NetBSD 9.2 amd64 with AMD FirePro W4100 throws constant kernel errors of 'Can't enable IRQ/MSI because no handler is installed'
>Confidential:   no
>Severity:       non-critical
>Priority:       low
>Responsible:    kern-bug-people
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Sun Jun 13 21:40:00 +0000 2021
>Originator:     Andy Wallis
>Release:        9.2
>Organization:
>Environment:
NetBSD vorlon 9.2 NetBSD 9.2 (GENERIC) #0: Wed May 12 13:15:55 UTC 2021  mkrepro%mkrepro.NetBSD.org@localhost:/usr/src/sys/arch/amd64/compile/GENERIC amd64

>Description:
On a Dell T1700 with a AMD FirePro W4100 install, the following messages are thrown to syslog. 

dmesg from boot:
Jun  4 18:33:45 vorlon /netbsd: [   8.5286951] radeon0: info: VRAM: 2048M 0x0000000000000000 - 0x000000007FFFFFFF (2048M used)
Jun  4 18:33:45 vorlon /netbsd: [   8.5286951] radeon0: info: GTT: 2048M 0x0000000080000000 - 0x00000000FFFFFFFF
Jun  4 18:33:45 vorlon /netbsd: [   8.5286951] kern info: [drm] Detected VRAM RAM=800M, BAR=256M
Jun  4 18:33:45 vorlon /netbsd: [   8.5286951] kern info: [drm] RAM width 128bits DDR
Jun  4 18:33:45 vorlon /netbsd: [   8.5286951] Zone  kernel: Available graphics memory: 11320306 kiB
Jun  4 18:33:45 vorlon /netbsd: [   8.5286951] Zone   dma32: Available graphics memory: 2097152 kiB
Jun  4 18:33:45 vorlon /netbsd: [   8.5286951] kern info: [drm] radeon: 2048M of VRAM memory ready
Jun  4 18:33:45 vorlon /netbsd: [   8.5286951] kern info: [drm] radeon: 2048M of GTT memory ready.
Jun  4 18:33:45 vorlon /netbsd: [   8.5393271] kern info: [drm] Loading verde Microcode
Jun  4 18:33:45 vorlon /netbsd: [   8.5586298] kern info: [drm] radeon/VERDE_mc2.bin: 31500 bytes
Jun  4 18:33:45 vorlon /netbsd: [   8.5586298] kern info: [drm] Internal thermal controller with fan control
Jun  4 18:33:45 vorlon /netbsd: [   8.5686367] kern info: [drm] radeon: dpm initialized
Jun  4 18:33:45 vorlon /netbsd: [   8.5886554] kern info: [drm] Found VCE firmware/feedback version 50.0.1 / 17!
Jun  4 18:33:45 vorlon /netbsd: [   8.5886554] kern info: [drm] GART: num cpu pages 524288, num gpu pages 524288
Jun  4 18:33:45 vorlon /netbsd: [   8.6487056] kern info: [drm] PCIE GART of 2048M enabled (table at 0x00000000002E8000).
Jun  4 18:33:45 vorlon /netbsd: [   8.6487056] radeon0: info: WB enabled
Jun  4 18:33:45 vorlon /netbsd: [   8.6595340] radeon0: info: fence driver on ring 0 use gpu addr 0x0000000080000c00 and cpu addr 0x0xfffffe6673bb7c00
Jun  4 18:33:45 vorlon /netbsd: [   8.6595340] radeon0: info: fence driver on ring 1 use gpu addr 0x0000000080000c04 and cpu addr 0x0xfffffe6673bb7c04
Jun  4 18:33:45 vorlon /netbsd: [   8.6595340] radeon0: info: fence driver on ring 2 use gpu addr 0x0000000080000c08 and cpu addr 0x0xfffffe6673bb7c08
Jun  4 18:33:45 vorlon /netbsd: [   8.6595340] radeon0: info: fence driver on ring 3 use gpu addr 0x0000000080000c0c and cpu addr 0x0xfffffe6673bb7c0c
Jun  4 18:33:45 vorlon /netbsd: [   8.6595340] radeon0: info: fence driver on ring 4 use gpu addr 0x0000000080000c10 and cpu addr 0x0xfffffe6673bb7c10
Jun  4 18:33:45 vorlon /netbsd: [   8.6595340] radeon0: info: fence driver on ring 5 use gpu addr 0x0000000000075a18 and cpu addr 0x0xffffa1025a9d5a18
Jun  4 18:33:45 vorlon /netbsd: [   8.6787315] radeon0: info: fence driver on ring 6 use gpu addr 0x0000000080000c18 and cpu addr 0x0xfffffe6673bb7c18
Jun  4 18:33:45 vorlon /netbsd: [   8.6787315] radeon0: info: fence driver on ring 7 use gpu addr 0x0000000080000c1c and cpu addr 0x0xfffffe6673bb7c1c
Jun  4 18:33:45 vorlon /netbsd: [   8.6787315] kern info: [drm] Supports vblank timestamp caching Rev 2 (21.10.2013).
Jun  4 18:33:45 vorlon /netbsd: [   8.6896180] kern info: [drm] Driver supports precise vblank timestamp query.
Jun  4 18:33:45 vorlon /netbsd: [   8.6896180] radeon0: info: radeon: MSI limited to 32-bit
Jun  4 18:33:45 vorlon /netbsd: [   8.6896180] radeon0: interrupting at ioapic0 pin 16 (radeon0)
Jun  4 18:33:45 vorlon /netbsd: [   8.6896180] kern info: [drm] radeon: irq initialized.
Jun  4 18:33:45 vorlon /netbsd: [   9.3993521] kern error: [drm:(/usr/src/sys/external/bsd/drm2/dist/drm/radeon/radeon_r600.c:2917)r600_ring_test] *ERROR* radeon: ring 0 test failed (scratch(0x850C)=0xCAFEDEAD)
Jun  4 18:33:45 vorlon /netbsd: [   9.3993521] radeon0: autoconfiguration error: error: disabling GPU acceleration
Jun  4 18:33:45 vorlon /netbsd: [   9.5795073] kern info: [drm] Radeon Display Connectors
Jun  4 18:33:45 vorlon /netbsd: [   9.5795073] kern info: [drm] Connector 0:
Jun  4 18:33:45 vorlon /netbsd: [   9.5795073] kern info: [drm]   DP-1
Jun  4 18:33:45 vorlon /netbsd: [   9.5795073] kern info: [drm]   HPD4
Jun  4 18:33:45 vorlon /netbsd: [   9.5904178] kern info: [drm]   DDC: 0x6540 0x6540 0x6544 0x6544 0x6548 0x6548 0x654c 0x654c
Jun  4 18:33:45 vorlon /netbsd: [   9.5904178] kern info: [drm]   Encoders:
Jun  4 18:33:45 vorlon /netbsd: [   9.5904178] kern info: [drm]     DFP1: INTERNAL_UNIPHY2
Jun  4 18:33:45 vorlon /netbsd: [   9.5904178] kern info: [drm] Connector 1:
Jun  4 18:33:45 vorlon /netbsd: [   9.5904178] kern info: [drm]   DP-2
Jun  4 18:33:45 vorlon /netbsd: [   9.5904178] kern info: [drm]   HPD5
Jun  4 18:33:45 vorlon /netbsd: [   9.5904178] kern info: [drm]   DDC: 0x6530 0x6530 0x6534 0x6534 0x6538 0x6538 0x653c 0x653c
Jun  4 18:33:45 vorlon /netbsd: [   9.5904178] kern info: [drm]   Encoders:
Jun  4 18:33:45 vorlon /netbsd: [   9.5904178] kern info: [drm]     DFP2: INTERNAL_UNIPHY1
Jun  4 18:33:45 vorlon /netbsd: [   9.5904178] kern info: [drm] Connector 2:
Jun  4 18:33:45 vorlon /netbsd: [   9.5998913] kern info: [drm]   DP-3
Jun  4 18:33:45 vorlon /netbsd: [   9.5998913] kern info: [drm]   HPD1
Jun  4 18:33:45 vorlon /netbsd: [   9.5998913] kern info: [drm]   DDC: 0x6560 0x6560 0x6564 0x6564 0x6568 0x6568 0x656c 0x656c
Jun  4 18:33:45 vorlon /netbsd: [   9.5998913] kern info: [drm]   Encoders:
Jun  4 18:33:45 vorlon /netbsd: [   9.5998913] kern info: [drm]     DFP3: INTERNAL_UNIPHY1
Jun  4 18:33:45 vorlon /netbsd: [   9.5998913] kern info: [drm] Connector 3:
Jun  4 18:33:45 vorlon /netbsd: [   9.5998913] kern info: [drm]   DP-4
Jun  4 18:33:45 vorlon /netbsd: [   9.5998913] kern info: [drm]   HPD2
Jun  4 18:33:45 vorlon /netbsd: [   9.5998913] kern info: [drm]   DDC: 0x6580 0x6580 0x6584 0x6584 0x6588 0x6588 0x658c 0x658c
Jun  4 18:33:45 vorlon /netbsd: [   9.5998913] kern info: [drm]   
Encoders:
Jun  4 18:33:45 vorlon /netbsd: [   9.5998913] kern info: [drm]     DFP4: INTERNAL_UNIPHY
Jun  4 18:33:45 vorlon /netbsd: [   9.6102825] kern error: [drm:(/usr/src/sys/external/bsd/drm2/dist/drm/radeon/radeon_si_dpm.c:6697)si_dpm_set_power_state] *ERROR* si_enable_smc_cac failed
Jun  4 18:33:45 vorlon /netbsd: [   9.6695849] radeondrmkmsfb0 at radeon0
Jun  4 18:33:45 vorlon /netbsd: [   9.6695849] radeondrmkmsfb0: framebuffer at 0xffffa1025abeb000, size 1920x1080, depth 32, stride 7680
Jun  4 18:33:45 vorlon /netbsd: [   9.8497401] kern error: [drm:(/usr/src/sys/external/bsd/drm2/dist/drm/radeon/radeon_si_dpm.c:6697)si_dpm_set_power_state] *ERROR* si_enable_smc_cac failed
Jun  4 18:33:45 vorlon /netbsd: [   9.8597595] warning: /usr/src/sys/external/bsd/drm2/dist/drm/radeon/radeon_si.c:6101: Can't enable IRQ/MSI because no handler is installed


spamming syslog messages.
[ 428896.996373] kern error: [drm:(/usr/src/sys/external/bsd/drm2/dist/drm/radeon/radeon_si_dpm.c:6697)si_dpm_set_power_state] *ERROR* si_enable_smc_cac failed

[ 692895.281898] warning: /usr/src/sys/external/bsd/drm2/dist/drm/radeon/radeon_si.c:6101: Can't enable IRQ/MSI because no handler is installed

Xorg also warns that GPU acceleration is disabled.
Xorg.log:


[  1434.157] (II) RADEON(0): Front buffer size: 32400K 
[  1434.157] (II) RADEON(0): VRAM usage limit set to 196711K
[  1434.157] (==) RADEON(0): DRI3 disabled
[  1434.157] (WW) RADEON(0): Direct rendering disabled
[  1434.157] (II) RADEON(0): Acceleration disabled
[  1434.157] (==) RADEON(0): DPMS enabled

..[364351.472] (EE) RADEON(0): drmmode_do_crtc_dpms cannot get last vblank counter





>How-To-Repeat:
Install 9.2 AMD64 on a machine with a AMD FirePro W4100 installed.
>Fix:

Follow-Ups:
- re: kern/56245: NetBSD 9.2 amd64 with AMD FirePro W4100 throws constant kernel errors of 'Can't enable IRQ/MSI because no handler is installed'
  - From: matthew green

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