Noah Meyerhans wrote:
> On Tue, Oct 10, 2006 at 11:41:06PM +0200, Laurent FAILLIE wrote:
>> I own an SS20 w/ only 1 CPU : 
>> cpu0 at mainbus0: RT620/625 @ 180 MHz, on-chip FPU
>> cpu0: 512K byte write-back, 32 bytes/line, sw flush:
>> cache enabled
>>
>> This machine runs under NetBSD 3.0 and serves Apache
>> 2.2, PHP and PostGreSQL.
>> Unfortunately, this machine hangs totally randomly :
>> I'm unable to connect thru telnet or on its serial
>> console, it doesn't accept HTTP or FTP connection ...
>> but it seems it's still alive : I have built the
>> kernel w/ BLINK option, and the power LED blink very
>> very slowly.
>>
>> After rebooting, there is nothing special in
>> /var/logs/messages nor in apache's log. As suspect a
>> problem in NetBSD itself.
>>
>> Is it a know bug of Sparc/NetBSD-3.0 ? Is there any
>> patchs for this ?
> 
> I can't really offer much help other than a "me too".  I've got a
> similar machine running a similar set of applications, and am
> occasionally seeing system crashes or hangs.  I'm running NetBSD 3.0
> with the GENERIC kernel build.  The machine was upgraded from 1.6.2,
> which was very stable.

I have the same exact machine as Laurent (SPARCserver 20 with a
single Ross 180 MHz CPU) running 1.6.1 and Apache, and it never,
ever hangs.

	- Greg