Date: Mon, 15 May 2006 07:00:50 GMT From: Lukas Razik <lukas@razik.de> To: freebsd-bugs@FreeBSD.org Subject: Re: kern/93885: ata(4) failure: SETFEATURES SET TRANSFER MODE semaphore timeout !! DANGER Will Robinson !! Message-ID: <200605150700.k4F70o0L055880@freefall.freebsd.org>
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The following reply was made to PR kern/93885; it has been noted by GNATS. From: Lukas Razik <lukas@razik.de> To: bug-followup@FreeBSD.org, jspence@lightconsulting.com, sos@FreeBSD.ORG Cc: Subject: Re: kern/93885: ata(4) failure: SETFEATURES SET TRANSFER MODE semaphore timeout !! DANGER Will Robinson !! Date: Mon, 15 May 2006 08:44:15 +0200 Hello! I think I've the malefactor. I've compiled a new kernel without additional optimizations which I had before: makeoptions COPTFLAGS="-O2 -pipe -funroll-loops -ffast-math" I've restarted the system more times and generated high IO over more hours and I hadn't any warnings... Now I'll try to figure out which of these options causes the "bug" and if it also works with SCHED_ULE. Because with SCHED_ULE and all above-mentioned optimizations I had more warnings than with SCHED_4BSD and the same optimizations. Regards, Lukas
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