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Date: Thu, 10 Feb 2005 20:12:44 +0200
From: Dmitry Liakh <dliakh@hansa.ua>
To: Lefteris Tsintjelis <lefty@ene.asda.gr>
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cc: freebsd-stable@freebsd.org
Subject: Re: Server reboots when silo overflows - FreeBSD 4.11
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On Thu, Feb 10, 2005 at 06:42:01PM +0200, Lefteris Tsintjelis wrote:
> Hi,
> 
> There seems to be a serious problem with the puc device driver. When the driver
> expiriences overflows the server simply reboots!
> 
> device          puc
> options         PUC_FASTINTR
> 
> I have tried to rebuild a new kernel without the PUC_FASTINTR option but without
> much luck. It still keeps on rebooting right after a few silo overflow errors.
> 
> PS: Please CC
> 
> Thanks,
> Lefteris
> 
> # dmesg
> sio5: 1 more silo overflow (total 1)
> sio5: 1 more silo overflow (total 2)
> sio5: 1 more silo overflow (total 3)
> sio5: 1 more silo overflow (total 4)
> sio5: 1 more silo overflow (total 5)
> sio5: 1 more silo overflow (total 6)
> sio5: 1 more silo overflow (total 7)
> Copyright (c) 1992-2005 The FreeBSD Project.
> Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994
>         The Regents of the University of California. All rights reserved.
> FreeBSD 4.11-STABLE #0: Sat Jan 29 01:56:42 EET 2005
>     root@XXXX:/usr/obj/usr/src/sys/CUSTOM
> Timecounter "i8254"  frequency 1193182 Hz
> CPU: Intel(R) Pentium(R) 4 CPU 3.06GHz (3073.65-MHz 686-class CPU)
>   Origin = "GenuineIntel"  Id = 0xf27  Stepping = 7
>   Features=0xbfebfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CLFLUSH,DTS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE>
>   Hyperthreading: 2 logical CPUs
                    ^^        ^^^^
Try non-SMP kernel or disable HTT.

-- 
WBR
Dmitry

xmpp:dliakh@jabber.hansa.kiev.ua         tel. +380 44 463-7134