Date: Sat, 26 Jun 1999 08:06:31 -0400 (EDT) From: Matt Behrens <matt@zigg.com> To: Alex Povolotsky <tarkhil@asteroid.svib.ru> Cc: aphor@ripco.com, stable@FreeBSD.ORG Subject: Re: Panic: ffs_clusteralloc: map mismatch Message-ID: <Pine.BSF.4.10.9906260801370.3516-100000@megaweapon.zigg.com> In-Reply-To: <199906260746.LAA21649@shuttle.svib.ru>
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On Sat, 26 Jun 1999, Alex Povolotsky wrote: : Softupdates gave me huge (x2 on sam tasks) performance boost, but I've got a : drawback also. I guess it happens only on IDE systems, I haven't met this : disaster on SCSI. : : Any process actively using disk (starting exmh or netscape are the most common : of them) causes all other processes literelly to halt. Even response to enter : pressed in shell delays by about 1-2 seconds. [snip!] : I'm using 3.2-19960619, [snip!} I hope you meant 1999 :-) Seriously, though... This was a symptom I used to see back when I had the serious troubles with softupdates that would routinely take down my systems under silly things like make world or untarring a large tarball. I don't see them anymore, and I exclusively use IDE here at home due to the ever-popular $$$ issue. :-) I used to be able to predict when the system was about to hang -- the disk would go wildly and, like you describe, all processes would momentarily stop, as if interrupts were all being overridden or something. However, I honestly don't see it anymore, and I don't exactly have spectacularly powerful systems (my most-thrashed box is a P90 with a 3.7GB). Still, back when I had these problems, I was one of the few. So I'm hopeful for you that someone can track down what you're seeing. Matt Behrens <matt@zigg.com> Owner/Administrator, zigg.com Chief Engineer, Nameless IRC Network To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message
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