On Tue, 2 Jan 2018, Meelis Roos wrote:
> > The patch 0e4c2eeb758a91e68b9eaf7a4bee9bd5ed97ff2b ("alpha/PCI: Replace
> > pci_fixup_irqs() call with host bridge IRQ mapping hooks") breaks
> > networking on Alpha for me. I have an Alpha Avanti server with tulip
> > network card.
>
> Matbe the map is wrong for Avanti? Is there some way to check that?
> >
> > The patch 0e4c2eeb breaks it so that I get MCE when the network card
> > driver is loaded. The patch 814eae59 fixes the MCE, the system boot
> > completes, but the network card doesn't receive any interrupts (and soon
> > it reports warning about timeout on tx queue). All kernels in the 4.14
> > branch have this bug.
>
> Does some other IRQ icrease instead?
I doesn't seem to increase any other counter when I send a network packet.
Mikulas
> > Mikulas
> >
> >
> > # cat /proc/interrupts
> > CPU0
> > 1: 3 XT-PIC i8042
> > 2: 0 XT-PIC cascade
> > 4: 752 XT-PIC ttyS0
> > 8: 58118 dummy -RTC timer
> > 10: 1613 XT-PIC ide0, ide1
> > 11: 739 XT-PIC sym53c8xx
> > 12: 5 XT-PIC i8042
> > 15: 0 XT-PIC eth0 <--- note that the counter is zero
> > PMI: 0 Performance Monitoring
> > ERR: 0
> >
> > # lspci -vv
> > 00:06.0 SCSI storage controller: LSI Logic / Symbios Logic 53c810 (rev 01)
> > 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: 255
> > Interrupt: pin A routed to IRQ 11
> > Region 0: I/O ports at 8000 [size=256]
> > Region 1: Memory at 01300000 (32-bit, non-prefetchable) [size=256]
> > Kernel driver in use: sym53c8xx
> > Kernel modules: sym53c8xx
> >
> > 00:07.0 ISA bridge: Intel Corporation 82378ZB/IB, 82379AB (SIO, SIO.A) PCI to ISA Bridge (rev 43)
> > 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
> >
> > 00:0b.0 Ethernet controller: Digital Equipment Corporation DECchip 21140 [FasterNet] (rev 22)
> > Subsystem: Digital Equipment Corporation DECchip 21140 [FasterNet]
> > 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: 255 (5000ns min, 10000ns max), Cache Line Size: 64 bytes
> > Interrupt: pin A routed to IRQ 15
> > Region 0: I/O ports at 8400 [size=128]
> > Region 1: Memory at 01302000 (32-bit, non-prefetchable) [size=128]
> > Expansion ROM at 01280000 [disabled] [size=256K]
> > Kernel driver in use: tulip
> > Kernel modules: tulip
> >
> > 00:0c.0 Display controller: Digital Equipment Corporation DECchip 21030 [TGA] (rev 02)
> > 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: 255
> > Interrupt: pin A routed to IRQ 5
> > Region 0: Memory at 02000000 (32-bit, prefetchable) [size=32M]
> > Expansion ROM at 012c0000 [disabled] [size=256K]
> > Kernel driver in use: tgafb
> >
> > 00:0d.0 RAID bus controller: Silicon Image, Inc. PCI0680 Ultra ATA-133 Host Controller (rev 02)
> > Subsystem: Silicon Image, Inc. Winic W-680 (Silicon Image 680 based)
> > 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: 240, Cache Line Size: 4 bytes
> > Interrupt: pin A routed to IRQ 10
> > Region 0: I/O ports at 8490 [size=8]
> > Region 1: I/O ports at 84a0 [size=4]
> > Region 2: I/O ports at 8498 [size=8]
> > Region 3: I/O ports at 84a4 [size=4]
> > Region 4: I/O ports at 8480 [size=16]
> > Region 5: Memory at 01301000 (32-bit, non-prefetchable) [size=256]
> > Expansion ROM at 01200000 [disabled] [size=512K]
> > Capabilities: [60] 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=2 PME-
> > Kernel driver in use: SiI_IDE
> >
>
> --
> Meelis Roos (mroos@xxxxx) http://www.cs.ut.ee/~mroos/
>
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