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Subject: misc/23460: profiing timer expired error
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>Number:         23460
>Category:       misc
>Synopsis:       profiing timer expired error
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    freebsd-bugs
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Mon Dec 11 03:10:02 PST 2000
>Closed-Date:
>Last-Modified:
>Originator:     Mark rowlands
>Release:        4.2R
>Organization:
none
>Environment:
FreeBSD marbsd.tninet.se 4.2-RELEASE FreeBSD 4.2-RELEASE #0: Mon Nov 20
13:02:55 GMT 2000 jkh@bento.FreeBSD.org:/usr/src/sys/compile/GENERIC i386
>Description:
seemingly random profiling timer expired errors received after installing 4.2R on a previously working 4.1.1-stable system.
system is a pentium 233 / qlogic 1040 scsi / 3com 3c3509b / 96mb
Problem first occurred with 4.1-release and was experience by a few other people...common thread was qlogic card. Problem went away after sep 26 cvsup. Commenting out psignal(p, SIGPROF); line in kern_clock.c helped...if you could build afterwards without getting profiling timer errors :-). 
>How-To-Repeat:
install 4.2R
>Fix:
install 4.1.1R maybe

>Release-Note:
>Audit-Trail:
>Unformatted:


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