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Date:	Wed, 2 Apr 2014 16:26:08 +0200
From:	Thomas Schwinge <thomas@...esourcery.com>
To:	Johannes Weiner <hannes@...xchg.org>
CC:	Mel Gorman <mgorman@...e.de>, Rik van Riel <riel@...riel.com>,
	Andrea Arcangeli <aarcange@...hat.com>,
	Zlatko Calusic <zcalusic@...sync.net>,
	Minchan Kim <minchan@...nel.org>, <linux-mm@...ck.org>,
	<linux-kernel@...r.kernel.org>,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [patch v2 3/3] mm: page_alloc: fair zone allocator policy

Hi!

On Fri,  2 Aug 2013 11:37:26 -0400, Johannes Weiner <hannes@...xchg.org> 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.

    $ 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

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