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Date:      Fri, 31 Oct 2008 10:29:55 +0100
From:      Milan Obuch <freebsd-net@dino.sk>
To:        freebsd-net@freebsd.org, pyunyh@gmail.com
Subject:   Re: re weird bug
Message-ID:  <200810311029.56471.freebsd-net@dino.sk>
In-Reply-To: <20081031011125.GC82781@cdnetworks.co.kr>
References:  <200810300829.35980.freebsd-net@dino.sk> <200810302241.01863.freebsd-net@dino.sk> <20081031011125.GC82781@cdnetworks.co.kr>

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On Friday 31 October 2008 02:11:25 Pyun YongHyeon wrote:
> On Thu, Oct 30, 2008 at 10:41:01PM +0100, Milan Obuch wrote:
>  > On Thursday 30 October 2008 11:26:56 Pyun YongHyeon wrote:
>  > > On Thu, Oct 30, 2008 at 08:29:35AM +0100, Milan Obuch wrote:
>  > >  > Hi,
>  > >  > yesterday I csup'ped my 8-current sources on my MSI Wind netbook
>  > >  > (again) and tried to build new kernel. There is again a problem
>  > >  > with re interface. It just does not work, with following
>  > >  >
>  > >  > re0: <RealTek 8101E/8102E/8102EL PCIe 10/100baseTX> port
>  > >  > 0xc000-0xc0ff mem 0xffd10000-0xffd10fff,0xffd00000-0xffd0ffff irq
>  > >  > 16 at device 0.0 on pci1 re0: Chip rev. 0x34800000
>  > >  > re0: MAC rev. 0x00200000
>  > >  > re0: PHY write failed
>  > >  > re0: PHY write failed
>  > >  > re0: MII without any phy!
>  > >  > device_attach: re0 attach returned 6
>  > >  >

[ snip ]

>  > >
>  > > That's known issue for newer RealTek PCIe controllers. Would you
>  > > please try the patch at the following URL?
>  > > http://people.freebsd.org/~yongari/re/re.ephy.patch.20081021
>  > >
>  > > Since it's not easy to reproduce this issue please make sure to
>  > > (cold and warm) reboot several times until you can put confidence
>  > > in the patch.
>  >
>  > I tried, but no change - with patch applied re still does not work
>  > unless I boot with verbose logging, no matter whether I boot cold or
>  > warm.
>
> Thanks for testing. If you look into patched if_re.c you can see a
> "#if 1" in function re_ephy_config(). How about changing it to
> "#if 0" to enable more aggresive reprogramming for EPHY register?

I tried. Again, no change - rlphy not working normally, but everything works 
when booting with verbose logging.

If there is anything else I could test, let me know. Booting with verbose 
logging is acceptable for me for now, so do not feel any pressure from my 
side. I just like to test when something will be available for test.

Regards,
Milan



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