Date: Sun, 6 Mar 2011 19:29:25 GMT From: Martin Birgmeier <martin.birgmeier@siemens.com> To: freebsd-gnats-submit@FreeBSD.org Subject: misc/155320: cpufreq/powerd + xorg-7.5.1 + xf86-video-intel-2.7.1_4 leads to freeze Message-ID: <201103061929.p26JTPKU037959@red.freebsd.org> Resent-Message-ID: <201103061930.p26JU9u5070756@freefall.freebsd.org>
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>Number: 155320 >Category: misc >Synopsis: cpufreq/powerd + xorg-7.5.1 + xf86-video-intel-2.7.1_4 leads to freeze >Confidential: no >Severity: serious >Priority: medium >Responsible: freebsd-bugs >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Sun Mar 06 19:30:09 UTC 2011 >Closed-Date: >Last-Modified: >Originator: Martin Birgmeier >Release: 7.4.0 i386 >Organization: MBi at home >Environment: FreeBSD a.xyzzy 7.4-RELEASE FreeBSD 7.4-RELEASE #1: Sun Feb 20 20:18:26 CET 2011 root@v901.xyzzy:/.../hal/z/OBJ/FreeBSD/i386/RELENG_7_4_0_RELEASE/src/sys/XYZZY_SMP_NA i386 >Description: Since the recent upgrade of xorg the machine freezes without apparent reason. No core dump is produced, the screen remains steady. This can only be terminated by a hard power off. Not running powerd seems to avoid the problem. Note 1: Before completely freezing, the machine from time to time hangs for from a few tenths to several seconds. After such a freeze, "xload" shows a sharp spike from near zero to approx. 1.5..2 load which subsequently decays exponentially. Note 2: At the end of last December, I tried to upgrade this machine to 8.1 amd64. This produced totally unstable behavior/crashes, most likely also related to the video driver. At that time, I did not yet suspect cpufreq/powerd. The machine uses the following graphics controller: vgapci0@pci0:0:2:0: class=0x030000 card=0x13f710cf chip=0x2a028086 rev=0x03 hdr=0x00 vendor = 'Intel Corporation' device = 'Mobile 965 Express Integrated Graphics Controller' class = display subclass = VGA vgapci1@pci0:0:2:1: class=0x038000 card=0x13f710cf chip=0x2a038086 rev=0x03 hdr=0x00 vendor = 'Intel Corporation' device = 'Mobile 965 Express Integrated Graphics Controller' class = display The chipset is ICH8. >How-To-Repeat: See the description above. Generally, this cannot be reproduced easily, however, the machine will crash within seconds to hours from starting X. >Fix: >Release-Note: >Audit-Trail: >Unformatted:
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