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Message-ID: <48F3E1C9.6030007@zytor.com>
Date: Mon, 13 Oct 2008 17:03:21 -0700
From: "H. Peter Anvin" <hpa@...or.com>
To: Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
linux-scsi <linux-scsi@...r.kernel.org>,
James Bottomley <jejb@...eleye.com>
Subject: Checkin 7404ad3b6d04efbd918e9e2e776bf560fbedf47d breaks boot on KVM
I just tried a top of tree i386 kernel under KVM, and found that it
fails to boot with a hang during initialization, right after:
console [netcon0] enabled
netconsole: network logging started
Uniform Multi-Platform E-IDE driver
ide-floppy driver 1.00
Driver 'sd' needs updating - please use bus_type methods
scsi0 : ata_piix
scsi1 : ata_piix
ata1: PATA max MWDMA2 cmd 0x1f0 ctl 0x3f6 bmdma 0xc000 irq 14
ata2: PATA max MWDMA2 cmd 0x170 ctl 0x376 bmdma 0xc008 irq 15
ata1.00: ATA-7: QEMU HARDDISK, 0.9.1, max UDMA/100
ata1.00: 16777216 sectors, multi 16: LBA48
ata1.00: configured for MWDMA2
ata2.00: ATAPI: QEMU DVD-ROM, 0.9.1, max UDMA/100
ata2.00: configured for MWDMA2
scsi 0:0:0:0: Direct-Access ATA QEMU HARDDISK 0.9. PQ: 0
ANSI: 5
Bisection fingered the following commit:
7404ad3b6d04efbd918e9e2e776bf560fbedf47d is first bad commit
commit 7404ad3b6d04efbd918e9e2e776bf560fbedf47d
Author: James Bottomley <James.Bottomley@...senPartnership.com>
Date: Sun Aug 31 10:41:52 2008 -0500
[SCSI] sd: use generic helper to print capacities in both binary and SI
Signed-off-by: James Bottomley <James.Bottomley@...senPartnership.com>
:040000 040000 98fc7ae95211b8d16e2e8ca46997be660ad9ba93
2d35d0a2b6232411b840a9ccf6a52b946172566e M drivers
However, simply reverting this commit caused a panic on boot (not
entirely surprising.)
Config attached (applied with yes '' | make oldconfig).
-hpa
View attachment "config.i386" of type "text/plain" (61699 bytes)
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