josephg
l33t
Joined: 10 Jan 2016
Posts: 783
Location: usually offline
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 Posted: Wed Apr 19, 2017 10:31 am Post subject: [drm] RC6 disabled, disabling runtime PM support |
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is there something i can do?
| Code: | $ dmesg | grep -i drm
[ 10.128045] [drm] Initialized
[ 10.737486] [drm] Memory usable by graphics device = 2048M
[ 10.737492] fb: switching to inteldrmfb from simple
[ 10.737856] [drm] Replacing VGA console driver
[ 10.743104] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013).
[ 10.743105] [drm] Driver supports precise vblank timestamp query.
[ 10.787129] [drm] RC6 disabled, disabling runtime PM support
[ 10.823500] [drm] Initialized i915 1.6.0 20160919 for 0000:00:02.0 on minor 0
[ 11.044160] fbcon: inteldrmfb (fb0) is primary device
[ 11.828087] i915 0000:00:02.0: fb0: inteldrmfb frame buffer device
[ 66.107922] [drm:0xf88c9f9b] *ERROR* CPU pipe B FIFO underrun
[ 1899.589503] [drm:0xf88c9f9b] *ERROR* CPU pipe A FIFO underrun |
| Code: | $ sudo lspci -knnvv -s 00:02
00:02.0 VGA compatible controller [0300]: Intel Corporation Mobile 4 Series Chipset Integrated Graphics Controller [8086:2a42] (rev 07) (prog-if 00 [VGA controller])
Subsystem: Toshiba America Info Systems Mobile 4 Series Chipset Integrated Graphics Controller [1179:ff1e]
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+
Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
Latency: 0
Interrupt: pin A routed to IRQ 28
Region 0: Memory at d0000000 (64-bit, non-prefetchable) [size=4M]
Region 2: Memory at c0000000 (64-bit, prefetchable) [size=256M]
Region 4: I/O ports at 4110 [size=8]
[virtual] Expansion ROM at 000c0000 [disabled] [size=128K]
Capabilities: [90] MSI: Enable+ Count=1/1 Maskable- 64bit-
Address: fee0300c Data: 41a2
Capabilities: [d0] Power Management version 3
Flags: PMEClk- DSI+ D1- D2- AuxCurrent=0mA PME(D0-,D1-,D2-,D3hot-,D3cold-)
Status: D0 NoSoftRst- PME-Enable- DSel=0 DScale=0 PME-
Kernel driver in use: i915
Kernel modules: i915
00:02.1 Display controller [0380]: Intel Corporation Mobile 4 Series Chipset Integrated Graphics Controller [8086:2a43] (rev 07)
Subsystem: Toshiba America Info Systems Mobile 4 Series Chipset Integrated Graphics Controller [1179:ff1e]
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
Latency: 0
Region 0: Memory at d3400000 (64-bit, non-prefetchable) [size=1M]
Capabilities: [d0] Power Management version 3
Flags: PMEClk- DSI+ D1- D2- AuxCurrent=0mA PME(D0-,D1-,D2-,D3hot-,D3cold-)
Status: D0 NoSoftRst- PME-Enable- DSel=0 DScale=0 PME- |
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"Growth for the sake of growth is the ideology of the cancer cell." Edward Abbey |
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