linux-kernel - Re: 4.3-rc3 BAR allocation problems on multiple machines

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Date:	Tue, 13 Oct 2015 17:43:35 -0700
From:	Yinghai Lu <yinghai@...nel.org>
To:	Meelis Roos <mroos@...ux.ee>
Cc:	Linux Kernel list <linux-kernel@...r.kernel.org>,
	"linux-pci@...r.kernel.org" <linux-pci@...r.kernel.org>
Subject: Re: 4.3-rc3 BAR allocation problems on multiple machines

On Tue, Oct 13, 2015 at 1:39 PM, Meelis Roos <mroos@...ux.ee> wrote:
>
> 0001:00:07.0 ISA bridge: ULi Electronics Inc. M1533/M1535/M1543 PCI to ISA Bridge [Aladdin IV/V/V+]
>         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
>         Region 0: [virtual] I/O ports at 0000 [size=64K]
>         Region 1: Memory at <unassigned> (32-bit, non-prefetchable) [size=1M]
>         Region 2: Memory at <unassigned> (32-bit, non-prefetchable) [size=1M]
>         Region 3: [virtual] Memory at fffff80100000000 (32-bit, non-prefetchable)
>         Region 4: [virtual] Memory at fffff80100000000 (32-bit, non-prefetchable)
>         Region 5: [virtual] Memory at fffff80100000000 (32-bit, non-prefetchable)
>         [virtual] Expansion ROM at fffff80100000000 [disabled]
>         Capabilities: [a0] Power Management version 1
>                 Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA PME(D0-,D1-,D2-,D3hot-,D3cold-)
>                 Status: D0 NoSoftRst- PME-Enable- DSel=0 DScale=0 PME-
> 00: b9 10 33 15 0f 00 10 02 00 00 01 06 00 00 00 00
> 10: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> 20: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> 30: 00 00 00 00 a0 00 00 00 00 00 00 00 00 00 00 00
> 40: 03 13 4b 80 83 09 00 47 00 00 06 00 00 00 eb 31
> 50: 00 00 00 20 90 02 20 03 66 03 00 00 00 00 00 08
> 60: 40 00 00 00 00 00 00 00 00 00 00 00 80 20 00 00
> 70: 00 00 0a 00 47 00 00 db 04 02 00 04 00 80 01 90
> 80: a5 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> 90: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> a0: 01 00 01 00 00 00 00 00 00 00 00 00 00 00 00 00
> b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> d0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> e0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> f0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00

Please check attached patch.

Thanks

Yinghai

View attachment "sparc_no_bar_for_uli_1533.patch" of type "text/x-patch" (3605 bytes)