Thread (18 messages) flat view 18 messages, 6 authors, 2004-09-20

Re: 2.6.9-rc1-bk11+ and 2.6.9-rc1-mm3,4 r8169: freeze during boot (FIX included)

From: Hans-Frieder Vogt <hidden>
Date: 2004-09-15 23:42:10
Also in: lkml

Am Donnerstag, 16. September 2004 01:09 schrieb Francois Romieu:
Hans-Frieder Vogt [off-list ref] :
[...]
[...]
quoted
Of course x86-64 has the address-space that enables >4GB RAM, and x86-64
always supports DAC (as stated in include/asm-x86_64/pci.h), but I have
currently only 1GB RAM, so, strictly speaking, DAC is not really
necessary.
Worse than that: r8169 in 2.6.9-rc[1/2] does not advertise its ability to
DMA to high memory.
quoted
Strange enough, the latest Realtek driver 2.2 does not even support DAC
(only the lower 32 bit of the DMA-Addresses are written to the
registers). Could it be that the Realtek driver does not support DAC for
a good reason?

Anyway, I will continue searching for the problem...
Can you simply try the attached patch with the network cable unplugged ?

It will not fix your issue but if the result & 0x08 != 0, you can probably
stop your testing for now as it will mean "known issue".

--
Ueimor
r8169: eth0: Config2 = 0x10

... does not seem to be the already known issue? Anyhow, if you have more 
ideas, I will be happy to test them :-)

Hans-Frieder

-- 
--
Hans-Frieder Vogt                 e-mail: hfvogt (at) arcor (dot) de
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