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 > > > -- > To unsubscribe, send a message with 'unsubscribe linux-mm' in > the body to majordomo@xxxxxxxxx. For more info on Linux MM, > see: http://www.linux-mm.org/ . > Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a> -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>