RE: radeon: screen garbled after page allocator change, was: Re: [patch v2 3/3] mm: page_alloc: fair zone allocator policy

From: Deucher, Alexander
Date: Mon Apr 28 2014 - 08:51:53 EST

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> -----Original Message-----
> From: Koenig, Christian
> Sent: Monday, April 28, 2014 3:30 AM
> To: Jerome Glisse; Thomas Schwinge
> Cc: Bjorn Helgaas; linux-pci@xxxxxxxxxxxxxxx; Johannes Weiner; Mel Gorman;
> Rik van Riel; Andrea Arcangeli; Zlatko Calusic; Minchan Kim; linux-
> mm@xxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx; Andrew Morton; Deucher,
> Alexander; dri-devel@xxxxxxxxxxxxxxxxxxxxx
> Subject: Re: radeon: screen garbled after page allocator change, was: Re:
> [patch v2 3/3] mm: page_alloc: fair zone allocator policy
>
> > + /* We are living in a monstruous world in which you can have the pci
> > + * root complex behind an hypertransport link which can not address
> > + * anything above 32bit (well hypertransport specification says 40bits
> > + * but hardware such as SIS761 only support 32bits).
> That looks more like a problem with this specific chipset rather than
> something that needs a general solution like this.
>
> Maybe we should rather add the PCI-ID(s) of the thing to some kind of
> quirks table for now so that the patch isn't so invasive and we can CC
> stable as well?

IIRC, there was someone on IRC with a similar problem with a similar SiS chipset a while back. These SiS chipsets seem to be generally problematic.

Alex

>
> Just a thought,
> Christian.
>
> Am 27.04.2014 21:55, schrieb Jerome Glisse:
> > On Sat, Apr 26, 2014 at 11:31:11PM -0400, Jerome Glisse wrote:
> >> On Thu, Apr 24, 2014 at 09:37:22AM -0400, Johannes Weiner wrote:
> >>> Hi Thomas,
> >>>
> >>> On Wed, Apr 02, 2014 at 04:26:08PM +0200, Thomas Schwinge wrote:
> >>>> Hi!
> >>>>
> >>>> On Fri, 2 Aug 2013 11:37:26 -0400, Johannes Weiner
> <hannes@xxxxxxxxxxx> wrote:
> >>>>> Each zone that holds userspace pages of one workload must be aged
> at a
> >>>>> speed proportional to the zone size. [...]
> >>>>> Fix this with a very simple round robin allocator. [...]
> >>>> This patch, adding NR_ALLOC_BATCH, eventually landed in mainline as
> >>>> commit 81c0a2bb515fd4daae8cab64352877480792b515 (2013-09-11).
> >>>>
> >>>> I recently upgraded a Debian testing system from a 3.11 kernel to 3.12,
> >>>> and it started to exhibit "strange" issues, which I then bisected to this
> >>>> patch. I'm not saying that the patch is faulty, as it seems to be
> >>>> working fine for everyone else, so I rather assume that something in a
> >>>> (vastly?) different corner of the kernel (or my hardware?) is broken.
> >>>> ;-)
> >>>>
> >>>> The issue is that when X.org/lightdm starts up, there are "garbled"
> >>>> section on the screen, for example, rectangular boxes that are just
> black
> >>>> or otherwise "distorted", and/or sets of glyphs (corresponding to a set
> >>>> of characters; but not all characters) are displayed as rectangular gray
> >>>> or black boxes, and/or icons in a GNOME session are not displayed
> >>>> properly, and so on. (Can take a snapshot if that helps?) Switching to
> >>>> a Linux console, I can use that one fine. Switching back to X, in the
> >>>> majority of all cases, the screen will be completely black, but with the
> >>>> mouse cursor still rendered properly (done in hardware, I assume).
> >>>>
> >>>> Reverting commit 81c0a2bb515fd4daae8cab64352877480792b515, for
> example on
> >>>> top of v3.12, and everything is back to normal. The problem also
> >>>> persists with a v3.14 kernel that I just built.
> >>>>
> >>>> I will try to figure out what's going on, but will gladly take any
> >>>> pointers, or suggestions about how to tackle such a problem.
> >>>>
> >>>> The hardware is a Fujitsu Siemens Esprimo E5600, mainboard D2264-A1,
> CPU
> >>>> AMD Sempron 3000+. There is a on-board graphics thingy, but I'm not
> >>>> using that; instead I put in a Sapphire Radeon HD 4350 card.
> >>> I went over this code change repeatedly but I could not see anything
> >>> directly that would explain it. However, this patch DOES change the
> >>> way allocations are placed (while still respecting zone specifiers
> >>> like __GFP_DMA etc.) and so it's possible that they unearthed a
> >>> corruption, or a wrongly set dma mask in the drivers.
> >>>
> >>> Ccing the radeon driver guys. Full quote follows.
> >>>
> >>>> $ cat < /proc/cpuinfo
> >>>> processor : 0
> >>>> vendor_id : AuthenticAMD
> >>>> cpu family : 15
> >>>> model : 47
> >>>> model name : AMD Sempron(tm) Processor 3000+
> >>>> stepping : 2
> >>>> cpu MHz : 1000.000
> >>>> cache size : 128 KB
> >>>> physical id : 0
> >>>> siblings : 1
> >>>> core id : 0
> >>>> cpu cores : 1
> >>>> apicid : 0
> >>>> initial apicid : 0
> >>>> fpu : yes
> >>>> fpu_exception : yes
> >>>> cpuid level : 1
> >>>> wp : yes
> >>>> flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge
> mca cmov pat pse36 clflush mmx fxsr sse sse2 syscall nx mmxext fxsr_opt lm
> 3dnowext 3dnow rep_good nopl pni lahf_lm
> >>>> bogomips : 2000.20
> >>>> TLB size : 1024 4K pages
> >>>> clflush size : 64
> >>>> cache_alignment : 64
> >>>> address sizes : 40 bits physical, 48 bits virtual
> >>>> power management: ts fid vid ttp tm stc
> >>>> $ sudo lspci -nn -k -vv
> >>>> 00:00.0 Host bridge [0600]: Silicon Integrated Systems [SiS] 761/M761
> Host [1039:0761] (rev 01)
> >>>> Subsystem: Fujitsu Technology Solutions D2030-A1 Motherboard
> [1734:1099]
> >>>> Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV-
> VGASnoop- ParErr- Stepping- SERR+ FastB2B- DisINTx-
> >>>> Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=medium
> >TAbort- <TAbort- <MAbort+ >SERR- <PERR- INTx-
> >>>> Latency: 64
> >>>> Region 0: Memory at f0000000 (32-bit, non-prefetchable)
> [size=32M]
> >>>> Capabilities: [a0] AGP version 3.0
> >>>> Status: RQ=32 Iso- ArqSz=2 Cal=3 SBA+ ITACoh- GART64-
> HTrans- 64bit- FW- AGP3+ Rate=x4,x8
> >>>> Command: RQ=1 ArqSz=0 Cal=0 SBA+ AGP- GART64- 64bit-
> FW- Rate=<none>
> >>>> Capabilities: [d0] HyperTransport: Slave or Primary Interface
> >>>> Command: BaseUnitID=0 UnitCnt=17 MastHost- DefDir- DUL-
> >>>> Link Control 0: CFlE- CST- CFE- <LkFail- Init+ EOC- TXO-
> <CRCErr=0 IsocEn- LSEn- ExtCTL- 64b-
> >>>> Link Config 0: MLWI=16bit DwFcIn- MLWO=16bit DwFcOut-
> LWI=16bit DwFcInEn- LWO=16bit DwFcOutEn-
> >>>> Link Control 1: CFlE- CST- CFE- <LkFail+ Init- EOC+ TXO+
> <CRCErr=0 IsocEn- LSEn- ExtCTL- 64b-
> >>>> Link Config 1: MLWI=N/C DwFcIn- MLWO=N/C DwFcOut-
> LWI=N/C DwFcInEn- LWO=N/C DwFcOutEn-
> >>>> Revision ID: 1.05
> >>>> Link Frequency 0: 800MHz
> >>>> Link Error 0: <Prot- <Ovfl- <EOC- CTLTm-
> >>>> Link Frequency Capability 0: 200MHz+ 300MHz- 400MHz+
> 500MHz- 600MHz+ 800MHz+ 1.0GHz+ 1.2GHz+ 1.4GHz- 1.6GHz- Vend-
> >>>> Feature Capability: IsocFC- LDTSTOP+ CRCTM- ECTLT- 64bA+
> UIDRD-
> >>>> Link Frequency 1: 200MHz
> >>>> Link Error 1: <Prot- <Ovfl- <EOC- CTLTm-
> >>>> Link Frequency Capability 1: 200MHz- 300MHz- 400MHz-
> 500MHz- 600MHz- 800MHz- 1.0GHz- 1.2GHz- 1.4GHz- 1.6GHz- Vend-
> >>>> Error Handling: PFlE- OFlE- PFE- OFE- EOCFE- RFE- CRCFE-
> SERRFE- CF- RE- PNFE- ONFE- EOCNFE- RNFE- CRCNFE- SERRNFE-
> >>>> Prefetchable memory behind bridge Upper: 00-00
> >>>> Bus Number: 00
> >>>> Capabilities: [f0] HyperTransport: Interrupt Discovery and
> Configuration
> >>>> Capabilities: [5c] HyperTransport: Revision ID: 1.05
> >>>> Kernel driver in use: agpgart-amd64
> >>>>
> >>>> 00:01.0 PCI bridge [0604]: Silicon Integrated Systems [SiS] PCI-to-PCI
> bridge [1039:0004] (prog-if 00 [Normal decode])
> >>>> 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, Cache Line Size: 64 bytes
> >>>> Bus: primary=00, secondary=01, subordinate=01, sec-latency=0
> >>>> I/O behind bridge: 00002000-00002fff
> >>>> Memory behind bridge: f2100000-f21fffff
> >>>> Prefetchable memory behind bridge: e0000000-efffffff
> >>>> Secondary status: 66MHz- FastB2B- ParErr- DEVSEL=fast >TAbort-
> <TAbort- <MAbort+ <SERR- <PERR-
> >>>> BridgeCtl: Parity+ SERR+ NoISA+ VGA+ MAbort- >Reset-
> FastB2B-
> >>>> PriDiscTmr- SecDiscTmr- DiscTmrStat- DiscTmrSERREn-
> >>>> Capabilities: [d0] Express (v1) Root Port (Slot+), MSI 00
> >>>> DevCap: MaxPayload 128 bytes, PhantFunc 0
> >>>> ExtTag+ RBE-
> >>>> DevCtl: Report errors: Correctable- Non-Fatal- Fatal-
> Unsupported-
> >>>> RlxdOrd+ ExtTag- PhantFunc- AuxPwr- NoSnoop+
> >>>> MaxPayload 128 bytes, MaxReadReq 128 bytes
> >>>> DevSta: CorrErr- UncorrErr- FatalErr- UnsuppReq+ AuxPwr+
> TransPend-
> >>>> LnkCap: Port #0, Speed 2.5GT/s, Width x16, ASPM L0s L1, Exit
> Latency L0s <1us, L1 <2us
> >>>> ClockPM- Surprise- LLActRep+ BwNot-
> >>>> LnkCtl: ASPM Disabled; RCB 64 bytes Disabled- CommClk+
> >>>> ExtSynch- ClockPM- AutWidDis- BWInt- AutBWInt-
> >>>> LnkSta: Speed 2.5GT/s, Width x16, TrErr- Train- SlotClk+
> DLActive+ BWMgmt- ABWMgmt-
> >>>> SltCap: AttnBtn- PwrCtrl- MRL- AttnInd- PwrInd- HotPlug-
> Surprise-
> >>>> Slot #0, PowerLimit 75.000W; Interlock- NoCompl-
> >>>> SltCtl: Enable: AttnBtn- PwrFlt- MRL- PresDet- CmdCplt-
> HPIrq- LinkChg-
> >>>> Control: AttnInd Off, PwrInd Off, Power- Interlock-
> >>>> SltSta: Status: AttnBtn- PowerFlt- MRL- CmdCplt- PresDet+
> Interlock-
> >>>> Changed: MRL- PresDet- LinkState-
> >>>> RootCtl: ErrCorrectable- ErrNon-Fatal- ErrFatal- PMEIntEna-
> CRSVisible-
> >>>> RootCap: CRSVisible-
> >>>> RootSta: PME ReqID 0000, PMEStatus- PMEPending-
> >>>> Capabilities: [bc] HyperTransport: MSI Mapping Enable- Fixed+
> >>>> Capabilities: [a0] MSI: Enable- Count=1/1 Maskable- 64bit-
> >>>> Address: 00000000 Data: 0000
> >>>> Capabilities: [f4] Power Management version 2
> >>>> 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: pcieport
> >>>>
> >>>> 00:02.0 ISA bridge [0601]: Silicon Integrated Systems [SiS] SiS965
> [MuTIOL Media IO] [1039:0965] (rev 48)
> >>>> Control: I/O+ Mem+ BusMaster+ SpecCycle+ MemWINV-
> VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
> >>>> Status: Cap- 66MHz- UDF- FastB2B- ParErr- DEVSEL=medium
> >TAbort- <TAbort- <MAbort+ >SERR- <PERR- INTx-
> >>>> Latency: 0
> >>>>
> >>>> 00:02.5 IDE interface [0101]: Silicon Integrated Systems [SiS] 5513 IDE
> Controller [1039:5513] (rev 01) (prog-if 80 [Master])
> >>>> Subsystem: Fujitsu Technology Solutions D2030-A1 Motherboard
> [1734:1095]
> >>>> Control: I/O+ Mem- BusMaster+ SpecCycle- MemWINV-
> VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
> >>>> Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=medium
> >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
> >>>> Latency: 128
> >>>> Interrupt: pin ? routed to IRQ 16
> >>>> Region 0: I/O ports at 01f0 [size=8]
> >>>> Region 1: I/O ports at 03f4
> >>>> Region 2: I/O ports at 0170 [size=8]
> >>>> Region 3: I/O ports at 0374
> >>>> Region 4: I/O ports at 1c80 [size=16]
> >>>> Capabilities: [58] Power Management version 2
> >>>> 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: pata_sis
> >>>>
> >>>> 00:02.7 Multimedia audio controller [0401]: Silicon Integrated
> Systems [SiS] SiS7012 AC'97 Sound Controller [1039:7012] (rev a0)
> >>>> Subsystem: Fujitsu Technology Solutions Device [1734:109c]
> >>>> Control: I/O+ Mem- BusMaster+ SpecCycle- MemWINV-
> VGASnoop- ParErr- Stepping- SERR+ FastB2B- DisINTx-
> >>>> Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium
> >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
> >>>> Latency: 173 (13000ns min, 2750ns max)
> >>>> Interrupt: pin C routed to IRQ 18
> >>>> Region 0: I/O ports at 1400 [size=256]
> >>>> Region 1: I/O ports at 1000 [size=128]
> >>>> Capabilities: [48] Power Management version 2
> >>>> Flags: PMEClk- DSI- D1+ D2+ AuxCurrent=55mA PME(D0-,D1-
> ,D2-,D3hot+,D3cold+)
> >>>> Status: D0 NoSoftRst- PME-Enable- DSel=0 DScale=0 PME-
> >>>> Kernel driver in use: snd_intel8x0
> >>>>
> >>>> 00:03.0 USB controller [0c03]: Silicon Integrated Systems [SiS] USB 1.1
> Controller [1039:7001] (rev 0f) (prog-if 10 [OHCI])
> >>>> Subsystem: Fujitsu Technology Solutions D2030-A1 Motherboard
> [1734:1095]
> >>>> Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV+
> VGASnoop- ParErr- Stepping- SERR+ FastB2B- DisINTx-
> >>>> Status: Cap- 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium
> >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
> >>>> Latency: 64 (20000ns max)
> >>>> Interrupt: pin A routed to IRQ 20
> >>>> Region 0: Memory at f2000000 (32-bit, non-prefetchable)
> [size=4K]
> >>>> Kernel driver in use: ohci-pci
> >>>>
> >>>> 00:03.1 USB controller [0c03]: Silicon Integrated Systems [SiS] USB 1.1
> Controller [1039:7001] (rev 0f) (prog-if 10 [OHCI])
> >>>> Subsystem: Fujitsu Technology Solutions D2030-A1 Motherboard
> [1734:1095]
> >>>> Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV+
> VGASnoop- ParErr- Stepping- SERR+ FastB2B- DisINTx-
> >>>> Status: Cap- 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium
> >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
> >>>> Latency: 64 (20000ns max)
> >>>> Interrupt: pin B routed to IRQ 21
> >>>> Region 0: Memory at f2001000 (32-bit, non-prefetchable)
> [size=4K]
> >>>> Kernel driver in use: ohci-pci
> >>>>
> >>>> 00:03.2 USB controller [0c03]: Silicon Integrated Systems [SiS] USB 1.1
> Controller [1039:7001] (rev 0f) (prog-if 10 [OHCI])
> >>>> Subsystem: Fujitsu Technology Solutions D2030-A1 Motherboard
> [1734:1095]
> >>>> Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV+
> VGASnoop- ParErr- Stepping- SERR+ FastB2B- DisINTx-
> >>>> Status: Cap- 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium
> >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
> >>>> Latency: 64 (20000ns max)
> >>>> Interrupt: pin C routed to IRQ 22
> >>>> Region 0: Memory at f2002000 (32-bit, non-prefetchable)
> [size=4K]
> >>>> Kernel driver in use: ohci-pci
> >>>>
> >>>> 00:03.3 USB controller [0c03]: Silicon Integrated Systems [SiS] USB 2.0
> Controller [1039:7002] (prog-if 20 [EHCI])
> >>>> Subsystem: Fujitsu Technology Solutions D2030-A1 [1734:1095]
> >>>> Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV-
> VGASnoop- ParErr- Stepping- SERR+ FastB2B- DisINTx-
> >>>> Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium
> >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
> >>>> Latency: 64 (20000ns max)
> >>>> Interrupt: pin D routed to IRQ 23
> >>>> Region 0: Memory at f2003000 (32-bit, non-prefetchable)
> [size=4K]
> >>>> Capabilities: [50] Power Management version 2
> >>>> Flags: PMEClk- DSI- D1- D2- AuxCurrent=375mA
> PME(D0+,D1-,D2-,D3hot+,D3cold+)
> >>>> Status: D0 NoSoftRst- PME-Enable- DSel=0 DScale=0 PME-
> >>>> Kernel driver in use: ehci-pci
> >>>>
> >>>> 00:05.0 IDE interface [0101]: Silicon Integrated Systems [SiS] 182
> SATA/RAID Controller [1039:0182] (rev 01) (prog-if 8f [Master SecP SecO PriP
> PriO])
> >>>> Subsystem: Fujitsu Technology Solutions D2030-A1 [1734:1095]
> >>>> Control: I/O+ Mem- BusMaster+ SpecCycle- MemWINV-
> VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
> >>>> Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=medium
> >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
> >>>> Latency: 64
> >>>> Interrupt: pin A routed to IRQ 17
> >>>> Region 0: I/O ports at 1cb0 [size=8]
> >>>> Region 1: I/O ports at 1ca4 [size=4]
> >>>> Region 2: I/O ports at 1ca8 [size=8]
> >>>> Region 3: I/O ports at 1ca0 [size=4]
> >>>> Region 4: I/O ports at 1c90 [size=16]
> >>>> Region 5: I/O ports at 1c00 [size=128]
> >>>> Capabilities: [58] Power Management version 2
> >>>> 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: sata_sis
> >>>>
> >>>> 00:06.0 PCI bridge [0604]: Silicon Integrated Systems [SiS] PCI-to-PCI
> bridge [1039:000a] (prog-if 00 [Normal decode])
> >>>> 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, Cache Line Size: 64 bytes
> >>>> Bus: primary=00, secondary=02, subordinate=02, sec-latency=0
> >>>> Secondary status: 66MHz- FastB2B- ParErr- DEVSEL=fast >TAbort-
> <TAbort- <MAbort- <SERR- <PERR-
> >>>> BridgeCtl: Parity+ SERR+ NoISA+ VGA- MAbort- >Reset- FastB2B-
> >>>> PriDiscTmr- SecDiscTmr- DiscTmrStat- DiscTmrSERREn-
> >>>> Capabilities: [b0] Subsystem: Silicon Integrated Systems [SiS]
> Device [1039:0000]
> >>>> Capabilities: [c0] MSI: Enable+ Count=1/1 Maskable- 64bit-
> >>>> Address: fee0100c Data: 4181
> >>>> Capabilities: [d0] Express (v1) Root Port (Slot+), MSI 00
> >>>> DevCap: MaxPayload 128 bytes, PhantFunc 0
> >>>> ExtTag+ RBE-
> >>>> DevCtl: Report errors: Correctable- Non-Fatal- Fatal-
> Unsupported-
> >>>> RlxdOrd+ ExtTag- PhantFunc- AuxPwr- NoSnoop+
> >>>> MaxPayload 128 bytes, MaxReadReq 128 bytes
> >>>> DevSta: CorrErr- UncorrErr- FatalErr- UnsuppReq- AuxPwr+
> TransPend-
> >>>> LnkCap: Port #0, Speed 2.5GT/s, Width x16, ASPM L0s L1, Exit
> Latency L0s <1us, L1 <2us
> >>>> ClockPM- Surprise- LLActRep- BwNot-
> >>>> LnkCtl: ASPM Disabled; RCB 64 bytes Disabled- CommClk-
> >>>> ExtSynch- ClockPM- AutWidDis- BWInt- AutBWInt-
> >>>> LnkSta: Speed 2.5GT/s, Width x0, TrErr- Train- SlotClk+
> DLActive- BWMgmt- ABWMgmt-
> >>>> SltCap: AttnBtn- PwrCtrl- MRL- AttnInd- PwrInd- HotPlug-
> Surprise-
> >>>> Slot #0, PowerLimit 0.000W; Interlock- NoCompl-
> >>>> SltCtl: Enable: AttnBtn- PwrFlt- MRL- PresDet- CmdCplt-
> HPIrq- LinkChg-
> >>>> Control: AttnInd Off, PwrInd Off, Power- Interlock-
> >>>> SltSta: Status: AttnBtn- PowerFlt- MRL- CmdCplt- PresDet+
> Interlock-
> >>>> Changed: MRL- PresDet- LinkState-
> >>>> RootCtl: ErrCorrectable- ErrNon-Fatal- ErrFatal- PMEIntEna-
> CRSVisible-
> >>>> RootCap: CRSVisible-
> >>>> RootSta: PME ReqID 0000, PMEStatus- PMEPending-
> >>>> Capabilities: [f4] Power Management version 2
> >>>> Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA PME(D0+,D1-
> ,D2-,D3hot+,D3cold+)
> >>>> Status: D0 NoSoftRst- PME-Enable- DSel=0 DScale=0 PME-
> >>>> Capabilities: [100 v1] Virtual Channel
> >>>> Caps: LPEVC=0 RefClk=100ns PATEntryBits=1
> >>>> Arb: Fixed- WRR32- WRR64- WRR128-
> >>>> Ctrl: ArbSelect=Fixed
> >>>> Status: InProgress-
> >>>> VC0: Caps: PATOffset=00 MaxTimeSlots=1 RejSnoopTrans-
> >>>> Arb: Fixed- WRR32- WRR64- WRR128- TWRR128-
> WRR256-
> >>>> Ctrl: Enable+ ID=0 ArbSelect=Fixed TC/VC=ff
> >>>> Status: NegoPending- InProgress-
> >>>> Capabilities: [130 v1] Advanced Error Reporting
> >>>> UESta: DLP- SDES- TLP- FCP- CmpltTO- CmpltAbrt-
> UnxCmplt- RxOF- MalfTLP- ECRC- UnsupReq- ACSViol-
> >>>> UEMsk: DLP- SDES- TLP- FCP- CmpltTO- CmpltAbrt-
> UnxCmplt- RxOF- MalfTLP- ECRC- UnsupReq- ACSViol-
> >>>> UESvrt: DLP+ SDES- TLP- FCP+ CmpltTO- CmpltAbrt-
> UnxCmplt- RxOF+ MalfTLP+ ECRC- UnsupReq- ACSViol-
> >>>> CESta: RxErr- BadTLP- BadDLLP- Rollover- Timeout-
> NonFatalErr-
> >>>> CEMsk: RxErr- BadTLP- BadDLLP- Rollover- Timeout-
> NonFatalErr-
> >>>> AERCap: First Error Pointer: 00, GenCap- CGenEn- ChkCap-
> ChkEn-
> >>>> Kernel driver in use: pcieport
> >>>>
> >>>> 00:09.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd.
> RTL8169 PCI Gigabit Ethernet Controller [10ec:8169] (rev 10)
> >>>> Subsystem: Fujitsu Technology Solutions D2030-A1 [1734:1091]
> >>>> Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV+
> VGASnoop- ParErr- Stepping- SERR+ FastB2B- DisINTx-
> >>>> Status: Cap+ 66MHz+ UDF- FastB2B+ ParErr- DEVSEL=medium
> >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
> >>>> Latency: 64 (8000ns min, 16000ns max), Cache Line Size: 32 bytes
> >>>> Interrupt: pin A routed to IRQ 19
> >>>> Region 0: I/O ports at 1800 [size=256]
> >>>> Region 1: Memory at f2004000 (32-bit, non-prefetchable)
> [size=256]
> >>>> Capabilities: [dc] Power Management version 2
> >>>> Flags: PMEClk- DSI- D1+ D2+ AuxCurrent=375mA PME(D0-
> ,D1+,D2+,D3hot+,D3cold+)
> >>>> Status: D0 NoSoftRst- PME-Enable- DSel=0 DScale=0 PME-
> >>>> Kernel driver in use: r8169
> >>>>
> >>>> 00:18.0 Host bridge [0600]: Advanced Micro Devices, Inc. [AMD] K8
> [Athlon64/Opteron] HyperTransport Technology Configuration [1022:1100]
> >>>> 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-
> >>>> Capabilities: [80] HyperTransport: Host or Secondary Interface
> >>>> Command: WarmRst+ DblEnd- DevNum=0 ChainSide-
> HostHide+ Slave- <EOCErr- DUL-
> >>>> Link Control: CFlE- CST- CFE- <LkFail- Init+ EOC- TXO-
> <CRCErr=0 IsocEn- LSEn- ExtCTL- 64b-
> >>>> Link Config: MLWI=16bit DwFcIn- MLWO=16bit DwFcOut-
> LWI=16bit DwFcInEn- LWO=16bit DwFcOutEn-
> >>>> Revision ID: 1.02
> >>>> Link Frequency: 800MHz
> >>>> Link Error: <Prot- <Ovfl- <EOC- CTLTm-
> >>>> Link Frequency Capability: 200MHz+ 300MHz- 400MHz+
> 500MHz- 600MHz+ 800MHz+ 1.0GHz- 1.2GHz- 1.4GHz- 1.6GHz- Vend-
> >>>> Feature Capability: IsocFC- LDTSTOP+ CRCTM- ECTLT- 64bA-
> UIDRD- ExtRS- UCnfE-
> >>>>
> >>>> 00:18.1 Host bridge [0600]: Advanced Micro Devices, Inc. [AMD] K8
> [Athlon64/Opteron] Address Map [1022:1101]
> >>>> 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-
> >>>>
> >>>> 00:18.2 Host bridge [0600]: Advanced Micro Devices, Inc. [AMD] K8
> [Athlon64/Opteron] DRAM Controller [1022:1102]
> >>>> 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-
> >>>> Kernel driver in use: amd64_edac
> >>>>
> >>>> 00:18.3 Host bridge [0600]: Advanced Micro Devices, Inc. [AMD] K8
> [Athlon64/Opteron] Miscellaneous Control [1022:1103]
> >>>> 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-
> >>>> Kernel driver in use: k8temp
> >>>>
> >>>> 01:00.0 VGA compatible controller [0300]: Advanced Micro Devices,
> Inc. [AMD/ATI] RV710/M92 [Mobility Radeon HD 4530/4570/545v]
> [1002:9553] (prog-if 00 [VGA controller])
> >>>> Subsystem: PC Partner Limited / Sapphire Technology Device
> [174b:3092]
> >>>> 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, Cache Line Size: 64 bytes
> >>>> Interrupt: pin A routed to IRQ 42
> >>>> Region 0: Memory at e0000000 (64-bit, prefetchable)
> [size=256M]
> >>>> Region 2: Memory at f2100000 (64-bit, non-prefetchable)
> [size=64K]
> >>>> Region 4: I/O ports at 2000 [size=256]
> >>>> [virtual] Expansion ROM at f2120000 [disabled] [size=128K]
> >>>> Capabilities: [50] 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-
> >>>> Capabilities: [58] Express (v2) Legacy Endpoint, MSI 00
> >>>> DevCap: MaxPayload 128 bytes, PhantFunc 0, Latency L0s
> <4us, L1 unlimited
> >>>> ExtTag+ AttnBtn- AttnInd- PwrInd- RBE+ FLReset-
> >>>> DevCtl: Report errors: Correctable- Non-Fatal- Fatal-
> Unsupported-
> >>>> RlxdOrd+ ExtTag- PhantFunc- AuxPwr- NoSnoop+
> >>>> MaxPayload 128 bytes, MaxReadReq 128 bytes
> >>>> DevSta: CorrErr- UncorrErr- FatalErr- UnsuppReq- AuxPwr-
> TransPend-
> >>>> LnkCap: Port #0, Speed 2.5GT/s, Width x16, ASPM L0s L1, Exit
> Latency L0s <64ns, L1 <1us
> >>>> ClockPM- Surprise- LLActRep- BwNot-
> >>>> LnkCtl: ASPM Disabled; RCB 64 bytes Disabled- CommClk+
> >>>> ExtSynch- ClockPM- AutWidDis- BWInt- AutBWInt-
> >>>> LnkSta: Speed 2.5GT/s, Width x16, TrErr- Train- SlotClk+
> DLActive- BWMgmt- ABWMgmt-
> >>>> DevCap2: Completion Timeout: Not Supported, TimeoutDis-,
> LTR-, OBFF Not Supported
> >>>> DevCtl2: Completion Timeout: 50us to 50ms, TimeoutDis-,
> LTR-, OBFF Disabled
> >>>> LnkCtl2: Target Link Speed: 2.5GT/s, EnterCompliance-
> SpeedDis-
> >>>> Transmit Margin: Normal Operating Range,
> EnterModifiedCompliance- ComplianceSOS-
> >>>> Compliance De-emphasis: -6dB
> >>>> LnkSta2: Current De-emphasis Level: -6dB,
> EqualizationComplete-, EqualizationPhase1-
> >>>> EqualizationPhase2-, EqualizationPhase3-,
> LinkEqualizationRequest-
> >>>> Capabilities: [a0] MSI: Enable+ Count=1/1 Maskable- 64bit+
> >>>> Address: 00000000fee0100c Data: 41e1
> >>>> Capabilities: [100 v1] Vendor Specific Information: ID=0001 Rev=1
> Len=010 <?>
> >>>> Kernel driver in use: radeon
> >>>>
> >>>> 01:00.1 Audio device [0403]: Advanced Micro Devices, Inc.
> [AMD/ATI] RV710/730 HDMI Audio [Radeon HD 4000 series] [1002:aa38]
> >>>> Subsystem: PC Partner Limited / Sapphire Technology Device
> [174b:aa38]
> >>>> 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, Cache Line Size: 64 bytes
> >>>> Interrupt: pin B routed to IRQ 41
> >>>> Region 0: Memory at f2110000 (64-bit, non-prefetchable)
> [size=16K]
> >>>> Capabilities: [50] 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-
> >>>> Capabilities: [58] Express (v2) Legacy Endpoint, MSI 00
> >>>> DevCap: MaxPayload 128 bytes, PhantFunc 0, Latency L0s
> <4us, L1 unlimited
> >>>> ExtTag+ AttnBtn- AttnInd- PwrInd- RBE+ FLReset-
> >>>> DevCtl: Report errors: Correctable- Non-Fatal- Fatal-
> Unsupported-
> >>>> RlxdOrd+ ExtTag- PhantFunc- AuxPwr- NoSnoop+
> >>>> MaxPayload 128 bytes, MaxReadReq 128 bytes
> >>>> DevSta: CorrErr- UncorrErr- FatalErr- UnsuppReq- AuxPwr-
> TransPend-
> >>>> LnkCap: Port #0, Speed 2.5GT/s, Width x16, ASPM L0s L1, Exit
> Latency L0s <64ns, L1 <1us
> >>>> ClockPM- Surprise- LLActRep- BwNot-
> >>>> LnkCtl: ASPM Disabled; RCB 64 bytes Disabled- CommClk+
> >>>> ExtSynch- ClockPM- AutWidDis- BWInt- AutBWInt-
> >>>> LnkSta: Speed 2.5GT/s, Width x16, TrErr- Train- SlotClk+
> DLActive- BWMgmt- ABWMgmt-
> >>>> DevCap2: Completion Timeout: Not Supported, TimeoutDis-,
> LTR-, OBFF Not Supported
> >>>> DevCtl2: Completion Timeout: 50us to 50ms, TimeoutDis-,
> LTR-, OBFF Disabled
> >>>> LnkSta2: Current De-emphasis Level: -6dB,
> EqualizationComplete-, EqualizationPhase1-
> >>>> EqualizationPhase2-, EqualizationPhase3-,
> LinkEqualizationRequest-
> >>>> Capabilities: [a0] MSI: Enable+ Count=1/1 Maskable- 64bit+
> >>>> Address: 00000000fee0100c Data: 41d1
> >>>> Capabilities: [100 v1] Vendor Specific Information: ID=0001 Rev=1
> Len=010 <?>
> >>>> Kernel driver in use: snd_hda_intel
> >>>>
> >>>>
> >>>> Grüße,
> >>>> Thomas
> >> Thomas can you provide output of lspci -t
> >>
> >> Also did you had a chance to test my ugly patch ?
> >>
> >> Cheers,
> >> Jérôme
> > If my ugly patch works does this quirk also work ?
> >

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