linux-kernel - Re: 2.6.25-rc5-mm1 sparc64 boot problems due to generic pci_enable

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Message-Id: <200803282352.10780.m.kozlowski@tuxland.pl>
Date:	Fri, 28 Mar 2008 23:52:10 +0100
From:	Mariusz Kozlowski <m.kozlowski@...land.pl>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	linux-kernel@...r.kernel.org, Greg KH <greg@...ah.com>,
	David Miller <davem@...emloft.net>, sparclinux@...r.kernel.org
Subject: Re: 2.6.25-rc5-mm1 sparc64 boot problems due to generic pci_enable_resources()

Hello,

	The gregkh-pci-pci-sparc64-use-generic-pci_enable_resources.patch which
replaces arch-specific code with generic pci_enable_resources() makes my sparc64
box unable to boot (that's what quilt bisection says). At first I see these messages:

hme 0000:00:01.1: device not available because of BAR 0 [1ff80008000:1ff8000f01f] collisions
sym53c8xx 0000:00:03.0: device not available because of BAR 0 [1fe02010400:1fe020104ff] collisions
sym53c8xx 0000:00:03.1: device not available because of BAR 0 [1fe02010800:1fe020108ff] collisions

and finally, infamous

VFS: Cannot open root device "sda3" or unknown-block(0,0)

	Mariusz

PS. I attached .config used at bisection time.

# lspci 
0000:00:00.0 Host bridge: Sun Microsystems Computer Corp. Psycho PCI Bus Module
0000:00:01.0 Bridge: Sun Microsystems Computer Corp. EBUS (rev 01)
0000:00:01.1 Ethernet controller: Sun Microsystems Computer Corp. Happy Meal (rev 01)
0000:00:03.0 SCSI storage controller: LSI Logic / Symbios Logic 53c875 (rev 14)
0000:00:03.1 SCSI storage controller: LSI Logic / Symbios Logic 53c875 (rev 14)
0001:00:00.0 Host bridge: Sun Microsystems Computer Corp. Psycho PCI Bus Module

$ uname -a
Linux sparc64 2.6.25-rc5 #2 SMP PREEMPT Fri Mar 28 12:16:30 CET 2008 sparc64 sun4u TI UltraSparc II (BlackBird) GNU/Linux

View attachment "config-sparc64-2.6.25-rc5-mm1-bisect" of type "text/plain" (25378 bytes)