From mboxrd@z Thu Jan 1 00:00:00 1970
From: bugme-daemon@bugzilla.kernel.org
Subject: [Bug 10296] New: System freezes after I/O on pata_jmicron device
Date: Fri, 21 Mar 2008 02:58:57 -0700 (PDT)
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http://bugzilla.kernel.org/show_bug.cgi?id=10296
Summary: System freezes after I/O on pata_jmicron device
Product: IO/Storage
Version: 2.5
KernelVersion: 2.6.24.3
Platform: All
OS/Version: Linux
Tree: Mainline
Status: NEW
Severity: normal
Priority: P1
Component: IDE
AssignedTo: io_ide@kernel-bugs.osdl.org
ReportedBy: jniklast@web.de
Latest working kernel version: 2.6.23.17
Earliest failing kernel version: 2.6.24.0
Distribution: Gentoo
Hardware Environment: JMicron 20360/20363 AHCI Controller (rev 02) on Asus P5W
DH Deluxe Mainboard (Intel 975X + ICH7R chipset)
Software Environment: gcc 4.1.2, binutils 2.18, glibc 2.6.1-r0
Problem Description:
I have pata_jmicron as a module and use a IDE-Harddisk on the JMicron
controller. Whenever I do some I/O on that harddisk the I/O waiting load goes
up within a few seconds until it is at or close to 100% which renders the
system unusable. Magic SysRq makes a graceful reboot possible sometimes.
Steps to reproduce:
1. Do some I/O on a IDE-Harddisk which uses pata_jmicron
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