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

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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

> 
> 
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