From: Peio <peio@azkarate.eu>
To: linux-pci@vger.kernel.org
Subject: Re: PCI rescan : can't assign mem
Date: Wed, 2 Sep 2015 07:01:28 +0000 (UTC) [thread overview]
Message-ID: <loom.20150902T084450-322@post.gmane.org> (raw)
In-Reply-To: CAE9FiQUxU2FCxFKQ=6ZdnJL8fU-YxAOjQmMSAP_YBG1gEG+ntA@mail.gmail.com
Yinghai Lu <yinghai <at> kernel.org> writes:
>
> On Tue, Sep 1, 2015 at 2:01 AM, Peio <peio <at> azkarate.eu> wrote:
> > Yinghai Lu <yinghai <at> kernel.org> writes:
> root bus resource:
>
> [ 0.277955] PCI host bridge to bus 0000:00
> [ 0.277966] pci_bus 0000:00: root bus resource [bus 00-ff]
> [ 0.277975] pci_bus 0000:00: root bus resource [io 0x0000-0x006f]
> [ 0.277983] pci_bus 0000:00: root bus resource [io 0x0078-0x0cf7]
> [ 0.277991] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff]
> [ 0.278000] pci_bus 0000:00: root bus resource [mem 0x000a0000-
0x000bffff]
> [ 0.278008] pci_bus 0000:00: root bus resource [mem 0x000c0000-
0x000dffff]
> [ 0.278016] pci_bus 0000:00: root bus resource [mem 0x000e0000-
0x000fffff]
> [ 0.278025] pci_bus 0000:00: root bus resource [mem 0x80000000-
0x909ffffe]
>
> and 00:02.0 use almost all
>
> [ 0.278221] pci 0000:00:02.0: reg 0x10: [mem 0x90000000-0x903fffff]
> [ 0.278239] pci 0000:00:02.0: reg 0x18: [mem 0x80000000-0x8fffffff
pref]
>
> so we have no chance to allocate MMIO to 00:1c.0
>
Any workaround?.
Is the BIOS responsible for allocating memory resources in Linux?.
Perhaps changing some BIOS parameter ACPI related?.
If I change BIOS parameters I'll need a fresh install or the actual kernel
reconigzes changes?.
next prev parent reply other threads:[~2015-09-02 7:01 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 [this message]
2015-09-03 1:03 ` Yinghai Lu
2015-09-03 6:03 ` Peio
2015-09-03 9:45 ` PCI rescan : can't assign mem [SOLVED] Peio
2015-09-03 14:52 ` 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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