Date: Sun, 23 Apr 2000 00:00:10 +0930 (CST) From: Jarrod <hostmaster@mtloftyhistsoc.asn.au> To: freebsd-stable@freebsd.org Subject: Re: Uncontrolable Rebooting 4.0-R Message-ID: <Pine.BSF.4.21.0004222324410.16548-100000@wallace.i.nutt.net.au> In-Reply-To: <20000422173910.A39896@isabase.philol.msu.ru>
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On Sat, 22 Apr 2000, Grigoriy Strokin wrote: > A couple of weeks ago there was a thread called > New kernel with its ATA drivers damages the filesystem I remeber that thread, oops, slipped my mind. > Your case is clearly related to this problem > > To the maintainer of /usr/src/UPDATING: > As far as I know, this problem has not been addressed yet. > So I wonder, why on the earth /usr/src/UPDATING > still doesn't have a recommendation to use > sysctl -w hw.atamodes=pio,pio,pio,pio > at the beginning of /etc/rc and there is > no warning about the risks related to use the ATA driver > in such cases? Apparently a fix had been committed to -STABLE, is this correct? Or was it a fix for Fujitsu drives using UDMA? (or is it the same fix :) The machine boots up and ends up setting the hw.atamodes to: madness> sysctl hw.atamodes hw.atamodes: pio,---, The machine has both IDE controllers enabled with a disk only on ad0 (pri master). I'll go add it to /etc/rc and see how the machine runs. A buildworld of the latest RELENG_4 is planned over this long week end anyway. The machine is under a resonable load during the day but 9 out of 10 of the reboots have occured at night time around 4am when the system is idle, which didn't make too much sence to me. > I am merely a user. You the core team say the users > should put their 10 cents or whatever they could to the development. > My 10 cents was a suggestion we discussed earlier to UPDATING, > but those are thrown away, as are some of my send-prs > and even patchs (not related to this problem). > This is rather frustrating. Maybe they (the core team) wanted to fix it fully, not just patch it up on the surface with the problem still lurking in the system? I don't know the story behind why but I know that im thankful for your ten cents worth. > As for sysctl -w hw.atamodes=pio,pio,pio,pio, I do use > it and live with 4.0 quite happily, but sometimes see > a strange FreeBSD behaviour similar to one described above: > 1) sometimes, after a clean shutdown, > there is a message > WARNING: / was not properly dismounted It has done that on one occasion, a few reboots after the 4.0-RELEASE installation. I thought it was odd at the time but didn't worry about it. > 2) sometimes, just after the message > 'mounting root from ufs:/dev/ad0s3a' > I see '/sbin/iu4yefbkljhf: not found, > 'iu4yefbkljhf' is varying random string. > The system doesn't go multi-user in such cases. > Then I turn the machine off and on again, > and the system boots fine Apparently the machine did this yesterday. I wasn't at the console when it rebooted but one of the guys at work, said it did this and he couldn't get the machine to continue into multi user, a hard reset was needed, and the box came up fine. > I suppose that some nasty things happen to happen > just after the kernel is booted and > before sysctl -w hw.atamodes=pio,pio,pio,pio > from /etc/rc is executed, and also > during the system shutdown. > > They happen seldom, but they do. Well I gotta be different :) These are happening to this machine at least once every second day. We have a machine whose guts are identical running 3.4-STABLE and dosen't have a worry in the world. madness> ruptime madness up 19:26, 3 users, load 0.07, 0.06, 0.04 solsbury up 48+13:35, 2 users, load 0.10, 0.07, 0.07 ... -Jarrod -- Jarrod Sayers (hostmaster@mtloftyhistsoc.asn.au) Information Technology Manager Mount Lofty Districts Historical Society, Inc. http://www.mtloftyhistsoc.asn.au/ To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message
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