From: Peio <peio@azkarate.eu>
To: linux-pci@vger.kernel.org
Subject: Re: PCI rescan : can't assign mem [SOLVED]
Date: Thu, 3 Sep 2015 09:45:47 +0000 (UTC) [thread overview]
Message-ID: <loom.20150903T113710-656@post.gmane.org> (raw)
In-Reply-To: loom.20150903T080202-734@post.gmane.org
Peio <peio <at> azkarate.eu> writes:
>
> Yinghai Lu <yinghai <at> kernel.org> writes:
>
> > boot with pci=nocrs ?
> >
> > Try to get BIOS update.
> >
> > > If I change BIOS parameters I'll need a fresh install or the actual
kernel
> > > reconigzes changes?.
> > should not.
> >
>
> I'll try pci=nocrs and BIOS update.
> Thank you Yinghai.
>
>
I solved the issue.
1.- Boot kernel with pci=nocrs parameter (linux assigns lot of memory ro pci
root bus).
2.- Remove upstream bridge :
sudo echo 1 > /sys/bus/pci/devices/0000:00:1c.0/remove
3.- Rescan PCI bus
sudo echo 1 > /sys/bus/pci/rescan
next prev parent reply other threads:[~2015-09-03 9:45 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-08-31 7:47 PCI rescan : can't assign mem Peio
2015-08-31 23:21 ` Yinghai Lu
2015-09-01 9:01 ` Peio
2015-09-01 16:57 ` Yinghai Lu
2015-09-02 7:01 ` Peio
2015-09-03 1:03 ` Yinghai Lu
2015-09-03 6:03 ` Peio
2015-09-03 9:45 ` Peio [this message]
2015-09-03 14:52 ` PCI rescan : can't assign mem [SOLVED] Bjorn Helgaas
2015-09-04 5:32 ` Peio
2015-09-04 15:41 ` Bjorn Helgaas
2015-09-07 6:32 ` Peio
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