linux-kernel - 3.3.0-rc6-next-20120308 boot failure on POWER7 blade

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Message-ID: <20120309142555.7ec5e0ac@kryten>
Date:	Fri, 9 Mar 2012 14:25:55 +1100
From:	Anton Blanchard <anton@...ba.org>
To:	sfr@...abs.org, benh@...nel.crashing.org, yinghai@...nel.org,
	jbarnes@...tuousgeek.org
Cc:	linuxppc-dev@...ts.ozlabs.org, linux-kernel@...r.kernel.org
Subject: 3.3.0-rc6-next-20120308 boot failure on POWER7 blade


Hi,

I'm seeing this on a POWER7 blade booting 3.3.0-rc6-next-20120308:


PCI host bridge to bus 0000:00
pci_bus 0000:00: root bus resource [io  0x100000-0x10ffff] (bus address [0xf0000-0xfffff])
pci_bus 0000:00: root bus resource [mem 0x3b0000000000-0x3b001fffffff] (bus address [0xe0000000-0xffffffff])
IOMMU table initialized, virtual merging enabled
PCI host bridge to bus 0001:00
pci_bus 0001:00: root bus resource [io  0x210000-0x21ffff] (bus address [0xf0000-0xfffff])
pci_bus 0001:00: root bus resource [mem 0x3b0080000000-0x3b00ffffffff] (bus address [0x80000000-0xffffffff])
PCI host bridge to bus 0002:01
pci_bus 0002:01: root bus resource [io  0x320000-0x32ffff] (bus address [0xf0000-0xfffff])
pci_bus 0002:01: root bus resource [mem 0x3b0400000000-0x3b041fefffff] (bus address [0xe0000000-0xffefffff])
PCI: Cannot allocate resource region 0 of device 0000:00:01.0, will remap
PCI: Cannot allocate resource region 2 of device 0000:00:01.0, will remap
PCI: Cannot allocate resource region 6 of device 0000:00:01.0, will remap
PCI: Cannot allocate resource region 0 of device 0001:00:01.0, will remap
PCI: Cannot allocate resource region 0 of device 0001:00:01.1, will remap
PCI: Cannot allocate resource region 0 of device 0001:00:01.2, will remap
PCI: Cannot allocate resource region 0 of device 0002:01:00.0, will remap
PCI: Cannot allocate resource region 2 of device 0002:01:00.0, will
remap

...

pci 0001:00:01.0: device not available (can't reserve [mem 0x00000000-0x00000fff])
pci 0001:00:01.0: Can't enable PCI device, BIOS handoff failed.
pci 0001:00:01.1: device not available (can't reserve [mem 0x00000000-0x00000fff])
pci 0001:00:01.1: Can't enable PCI device, BIOS handoff failed.
pci 0001:00:01.2: device not available (can't reserve [mem 0x00000000-0x000000ff])
pci 0001:00:01.2: Can't enable PCI device, BIOS handoff failed.


Then we fail to find the root device. I haven't had a chance
to chase the cause of it down yet.

Anton
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