Date: Wed, 25 Jun 2014 14:57:12 +0300 From: Daniel Braniss <danny@cs.huji.ac.il> To: John Baldwin <jhb@freebsd.org> Cc: freebsd-stable@freebsd.org Subject: Re: pci issues with SBC (AMD G-T40E) - PCEngines apu Message-ID: <3920AC99-4197-4A36-A573-3D283F36E035@cs.huji.ac.il> In-Reply-To: <201406241111.42023.jhb@freebsd.org> References: <0D577669-BF58-4B30-B29A-9A5B05C95112@cs.huji.ac.il> <201406241111.42023.jhb@freebsd.org>
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On Jun 24, 2014, at 6:11 PM, John Baldwin <jhb@freebsd.org> wrote: > On Tuesday, June 24, 2014 6:48:56 am Daniel Braniss wrote: >> Hi all, >> the short story is that not always all the devices are discovered >> correctly, i.e. there are 3 RealTek and sometimes all 3 are = discovered, >> sometimes 2,sometimes only one. >> My guts are telling me it=92s a timing issue, is there some delay I = can put in? >> I tried booting verbose but the problem is till there. >> example: >> =85 >> re1: <RealTek 8168/8111 B/C/CP/D/DP/E/F/G PCIe Gigabit Ethernet> port = 0x2000-0x20ff mem 0xf7b00000-0xf7b00fff,0xf7a00000-0xf7a03fff irq 17 at = device 0.0 on pci2 >> re1: MSI count : 1 >> re1: MSI-X count : 4 >> re1: attempting to allocate 1 MSI-X vectors (4 supported) >> msi: routing MSI-X IRQ 260 to local APIC 0 vector 55 >> re1: using IRQ 260 for MSI-X >> re1: Using 1 MSI-X message >> re1: ASPM disabled >> re1: Chip rev. 0x2c000000 >> re1: MAC rev. 0x00200000 >> miibus1: <MII bus> on re1 >> rgephy1: <RTL8169S/8110S/8211 1000BASE-T media interface> PHY 1 on = miibus1 >> rgephy1: OUI 0x00e04c, model 0x0011, rev. 4 >> rgephy1: none, 10baseT, 10baseT-FDX, 10baseT-FDX-flow, 100baseTX, = 100baseTX-FDX, 100baseTX-FDX-flow, 1000baseT, 1000baseT-master, = 1000baseT-FDX, 1000baseT-FDX- > master, 1000baseT- >> FDX-flow, 1000baseT-FDX-flow-master, auto, auto-flow >> re1: bpf attached >> re1: Ethernet address: 00:0d:b9:34:28:c5 >> pcib3: <ACPI PCI-PCI bridge> irq 18 at device 6.0 on pci0 >> pcib0: allocated type 4 (0x3000-0x3fff) for rid 1c of pcib3 >> pcib0: allocated type 3 (0xf7d00000-0xf7dfffff) for rid 20 of pcib3 >> pcib0: allocated type 3 (0xf7c00000-0xf7cfffff) for rid 24 of pcib3 >> pcib3: domain 0 >> pcib3: secondary bus 3 >> pcib3: subordinate bus 3 >> pcib3: I/O decode 0x3000-0x3fff >> pcib3: memory decode 0xf7d00000-0xf7dfffff >> pcib3: prefetched decode 0xf7c00000-0xf7cfffff >> pci3: <ACPI PCI bus> on pcib3 >> pci3: domain=3D0, physical bus=3D3 >> found-> vendor=3D0x10ec, dev=3D0x8168, revid=3D0x06 >> domain=3D0, bus=3D3, slot=3D0, func=3D0 >> class=3D02-00-00, hdrtype=3D0x00, mfdev=3D0 >> cmdreg=3D0x0007, statreg=3D0x0010, cachelnsz=3D16 (dwords) >> lattimer=3D0x00 (0 ns), mingnt=3D0x00 (0 ns), maxlat=3D0x00 (0 = ns) >> intpin=3Da, irq=3D10 >> powerspec 3 supports D0 D1 D2 D3 current D0 >> MSI supports 1 message, 64 bit >> MSI-X supports 4 messages in map 0x20 >> map[10]: type I/O Port, range 32, base 0x3000, size 8, = enabled >> pcib3: allocated I/O port range (0x3000-0x30ff) for rid 10 of = pci0:3:0:0 >> map[18]: type Memory, range 64, base 0xf7d00000, size 12, = enabled >> pcib3: allocated memory range (0xf7d00000-0xf7d00fff) for rid 18 of = pci0:3:0:0 >> map[20]: type Prefetchable Memory, range 64, base 0xf7c00000, = size 14, enabled >> pcib3: allocated prefetch range (0xf7c00000-0xf7c03fff) for rid 20 of = pci0:3:0:0 >> pcib3: matched entry for 3.0.INTA >> pcib3: slot 0 INTA hardwired to IRQ 18 >> re2: <RealTek 8168/8111 B/C/CP/D/DP/E/F/G PCIe Gigabit Ethernet> port = 0x3000-0x30ff mem 0xf7d00000-0xf7d00fff,0xf7c00000-0xf7c03fff irq 18 at = device 0.0 on pci3 >> re2: MSI count : 1 >> re2: MSI-X count : 4 >> re2: attempting to allocate 1 MSI-X vectors (4 supported) >> msi: routing MSI-X IRQ 261 to local APIC 0 vector 56 >> re2: using IRQ 261 for MSI-X >> re2: Using 1 MSI-X message >> re2: ASPM disabled >> re2: Chip rev. 0x80000000 >> re2: MAC rev. 0x00000000 <=97=97=97=97=97=97=97=97=97------------ = notice this is now zero! >> re2: Unknown H/W revision: 0x80000000 >> device_attach: re2 attach returned 6 >=20 > The chip rev also looks wrong. I don't know why you are not getting = the > correct values though. I don't see anything obviously wrong like = resource > issues with the BARs. anything I can do to try and track this down?, except diving into the = sources :-) i have almost no idea where to start (well, I could with the re driver = =85) a flashlight might help. thanks, danny
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