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SubjectRe: 2.6.9-rc1-bk11+ and 2.6.9-rc1-mm3,4 r8169: freeze during boot (FIX included)
Date
On Thursday 16 September 2004 01:20 pm, Jon Mason wrote:
> > Jon, if your ppc64 box offers 64 bits wide PCI slots, it would be nice if
> > you could ttry 2.6.9-rc2-bkX, apply
> > http://www.fr.zoreil.com/people/francois/misc/r8169-xx0.patch
> > and report the content of the "Config2" line in the logs of the kernel.
>
> Here is the info you requested:
>
> r8169 Gigabit Ethernet driver 1.6LK loaded
> eth8: Identified chip type is 'RTL8169s/8110s'.
> eth8: RTL8169 at 0xa0000000800b7000, 00:40:f4:96:fc:3f, IRQ 131
> r8169: eth8: Config2 = 0x01
> r8169: eth8: link up
>
> My p630 has 64bit PCI-X slots, but my r8169 adapter is a 32bit adapter.
> See lspci output below (with a 64bit PCI-X e1000 adapter as a comparison).
> .....
> 0001:61:01.1 Ethernet controller: Intel Corp. 82546GB Gigabit Ethernet
> Controller (rev 03)
> Subsystem: IBM: Unknown device 0289
> Flags: bus master, 66Mhz, medium devsel, latency 144, IRQ 122
> Memory at cc100000 (64-bit, non-prefetchable) [size=cc000000]
> Memory at cc040000 (64-bit, non-prefetchable) [size=256K]
> I/O ports at 12ec00 [size=64]
> Expansion ROM at 00040000 [disabled]
> Capabilities: [dc] Power Management version 2
> Capabilities: [e4] Capabilities: [f0] Message Signalled
> Interrupts: 64bit+ Queue=0/0 Enable-
> ......
> 0002:01:01.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL-8169
> Gigabit Ethernet (rev 10)
> Subsystem: Realtek Semiconductor Co., Ltd. RTL-8169 Gigabit
> Ethernet Flags: bus master, 66Mhz, medium devsel, latency 74, IRQ 131 I/O
> ports at 20fc00 [size=e0000000]
> Memory at e0020000 (32-bit, non-prefetchable) [size=256]
> Expansion ROM at 00020000 [disabled]
> Capabilities: [dc] Power Management version 2
>
>
> I think my AMD64 system at home has a 64bit integrated adapter, as the
> performance on it is 2.5x faster (either that or r8169 and ppc don't play
> well together). I will verify this when I get home.

Well, it appears that my home system only has a 32bit adapter as well (see
below).

0000:00:0b.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL-8169
Gigabit Ethernet (rev 10)
Subsystem: Micro-Star International Co., Ltd.: Unknown device 702c
Flags: bus master, 66Mhz, medium devsel, latency 32, IRQ 16
I/O ports at c800 [size=cff20000]
Memory at cfffb700 (32-bit, non-prefetchable) [size=256]
Expansion ROM at 00020000 [disabled]
Capabilities: [dc] Power Management version 2

Before I make any sweeping comments about the performance on ppc64, I should
probably do some more tests. I'll have to get back to you regarding that.

Would you like me to run the "Config2" patch on my amd64 system?

--
Jon Mason
jdmason@us.ibm.com
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