ports/101124: sysutils/mbmon - fatal problem with SMB support

Frank W. Josellis frank at dynamical-systems.org
Mon Jul 31 21:00:35 UTC 2006


>Number:         101124
>Category:       ports
>Synopsis:       sysutils/mbmon - fatal problem with SMB support
>Confidential:   no
>Severity:       serious
>Priority:       low
>Responsible:    freebsd-ports-bugs
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Mon Jul 31 21:00:33 GMT 2006
>Closed-Date:
>Last-Modified:
>Originator:     Frank W. Josellis
>Release:        FreeBSD 5.5-STABLE i386
>Organization:
>Environment:
System: FreeBSD pollux.senax.net 5.5-STABLE FreeBSD 5.5-STABLE #7: Sun May 28 19:03:10 CEST 2006 root at pollux.senax.net:/usr/obj/usr/src/sys/POLLUX i386


	
>Description:
Configuring mbmon-205_3 with the default setting "WITH_SMB=true" may cause
trouble on some boards. For example, the Asus A7V8X makes use of the SMBus
for hardware monitoring:

$ mbmon -dA
Summary of Detection:
 * SMB monitor(s)[VT8233/A/8235/8237(KT266/333/400/600/880)]:
  ** Asus Chip ASB100(Bach) found at slave address: 0x5A.

The above config option seems to be a natural choice here, but has unexpected
consequences. With 6.1-STABLE the program hangs and causes rapidly increasing
CPU load. With 5.5-STABLE it's even worse, as invoking mbmon will instantly
freeze the entire system, enforcing a RESET. 

>How-To-Repeat:

>Fix:

	
No fix, just a workaround. Choose "WITHOUT_SMB=true" and everything is
still fine.  


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



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