From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Ayman El-Khashab <AymanE@tanisys.com>
Cc: linuxppc-dev@ozlabs.org
Subject: RE: Problems with PCI-E devices not being detected with switch
Date: Fri, 17 Oct 2008 08:19:02 +1100 [thread overview]
Message-ID: <1224191942.7654.24.camel@pasglop> (raw)
In-Reply-To: <16691A8B34B5D9458EA3A1C37A11555A0137F822@tanisys-ex2.Tanisys.Local>
On Thu, 2008-10-16 at 10:01 -0500, Ayman El-Khashab wrote:
>
> Thanks for your help. I did try a 5s delay and other than the boot
> taking an extra couple of seconds, there was no change. The messages
> above "unknown header" still showed up. Downstream devices were not
> found.
> BTW, this is with both the Denx kernel tree and the official 2.6.27
> kernel.
> Both have the same results. One added note, just to rule out bad
> electronics,
> I have confirmed that the switch+sata work correctly together if placed
> into a plain x86 pc with 2.6.24. So the electronics are fine.
I think I know where the problem comes from. The bus numbers aren't
getting properly assigned below the root bus. I'm working on some test
patches, I'll let you know when I have something.
Cheers,
Ben.
next prev parent reply other threads:[~2008-10-16 21:19 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-10-15 15:47 Problems with PCI-E devices not being detected with switch Ayman El-Khashab
2008-10-16 5:20 ` Benjamin Herrenschmidt
2008-10-16 8:03 ` Stefan Roese
2008-10-16 8:29 ` Benjamin Herrenschmidt
2008-10-16 8:48 ` Stefan Roese
2008-10-16 8:58 ` Benjamin Herrenschmidt
2008-10-16 15:01 ` Ayman El-Khashab
2008-10-16 21:19 ` Benjamin Herrenschmidt [this message]
2008-10-17 0:10 ` Benjamin Herrenschmidt
2008-10-17 7:22 ` Stefan Roese
2008-10-17 14:54 ` Ayman El-Khashab
2008-10-17 21:05 ` Benjamin Herrenschmidt
2008-10-17 21:19 ` Benjamin Herrenschmidt
2008-10-20 21:03 ` Ayman El-Khashab
2008-10-20 21:57 ` Benjamin Herrenschmidt
2008-10-20 22:14 ` Ayman El-Khashab
2008-10-20 22:55 ` Benjamin Herrenschmidt
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