From: Meelis Roos <mroos@ut.ee>
To: Mikulas Patocka <mpatocka@redhat.com>
Cc: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>,
Bjorn Helgaas <bhelgaas@google.com>,
Richard Henderson <rth@twiddle.net>,
Ivan Kokshaysky <ink@jurassic.park.msu.ru>,
Matt Turner <mattst88@gmail.com>,
linux-alpha@vger.kernel.org
Subject: Re: the patch "alpha/PCI: Replace pci_fixup_irqs()" breaks networking
Date: Tue, 2 Jan 2018 23:54:47 +0200 (EET) [thread overview]
Message-ID: <alpine.LRH.2.21.1801022353530.25029@math.ut.ee> (raw)
In-Reply-To: <alpine.LRH.2.02.1801021620520.4722@file01.intranet.prod.int.rdu2.redhat.com>
> 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?
> 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@ut.ee) http://www.cs.ut.ee/~mroos/
next prev parent reply other threads:[~2018-01-02 21:54 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-01-02 21:32 the patch "alpha/PCI: Replace pci_fixup_irqs()" breaks networking Mikulas Patocka
2018-01-02 21:50 ` Bjorn Helgaas
2018-01-02 21:54 ` Meelis Roos [this message]
2018-01-03 10:38 ` Lorenzo Pieralisi
2018-01-03 19:05 ` Mikulas Patocka
2018-01-04 10:46 ` Lorenzo Pieralisi
2018-01-03 19:05 ` Mikulas Patocka
2018-01-03 14:55 ` Lorenzo Pieralisi
2018-01-03 19:03 ` Mikulas Patocka
2018-01-04 10:58 ` Lorenzo Pieralisi
2018-01-03 19:50 ` Meelis Roos
2018-01-04 11:00 ` Lorenzo Pieralisi
2018-01-04 12:17 ` Lorenzo Pieralisi
2018-01-04 18:06 ` Mikulas Patocka
2018-01-04 18:49 ` Lorenzo Pieralisi
2018-01-05 11:23 ` Lorenzo Pieralisi
2018-01-05 18:49 ` Mikulas Patocka
2018-01-08 10:18 ` Lorenzo Pieralisi
2018-01-08 18:35 ` Mikulas Patocka
2018-01-09 12:16 ` Lorenzo Pieralisi
2018-01-09 19:13 ` Mikulas Patocka
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