linux-kernel - [2.6.37-rc1 / rc2 Regression] PCI: Kernel Hangs On Boot

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Message-ID: <4CE3F763.6080002@xenontk.org>
Date:	Wed, 17 Nov 2010 21:10:19 +0530
From:	David John <davidjon@...ontk.org>
To:	Bjorn Helgaas <bjorn.helgaas@...com>
CC:	Jesse Barnes <jbarnes@...tuousgeek.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: [2.6.37-rc1 / rc2 Regression] PCI: Kernel Hangs On Boot

Hi Bjorn,

Commit dc9887dc ("x86/PCI: allocate space from the end of a region, not
the beginning") causes the kernel to hang on my Dell Inspiron 1545.
2.6.36 and booting with pci=nocrs works fine. Reverting this commit also
works. I am attaching the kernel log and system iomem from the working
2.6.36. It hangs at this location consistently:

pci-stub: invalid id string ""
ACPI: AC Adapter [AC] (on-line)
input: Lid Switch as
/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0D:00/input/input0

< hang >

Let me know if you need any other info.

Regards,
David.

View attachment "dmesg.log" of type "text/plain" (42937 bytes)

View attachment "iomem" of type "text/plain" (2342 bytes)