Date: Thu, 06 Jan 2005 16:15:36 +0100 From: Erik Norgaard <norgaard@locolomo.org> To: M <m@obmail.net> Cc: freebsd-questions@freebsd.org Subject: Re: SMP and NFS Message-ID: <41DD5618.6070801@locolomo.org> In-Reply-To: <E75D32F8-5FF3-11D9-B88F-00039367611E@obmail.net> References: <E75D32F8-5FF3-11D9-B88F-00039367611E@obmail.net>
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M wrote: > I have a system that is being used as a high performance NFS server > > FreeBSD nfs2 5.3-RELEASE-p2 FreeBSD 5.3-RELEASE-p2 #1: Tue Jan 4 > 19:14:40 EST 2005 root@nfs2:/usr/obj/usr/src/sys/NFS i386 > > Two CPUs (tried hyperthreading and not), 4 GB of memory > > CPU: Intel(R) Xeon(TM) CPU 2.40GHz (2400.10-MHz 686-class CPU) > Origin = "GenuineIntel" Id = 0xf29 Stepping = 9 > > 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,HT > T,TM,PBE> > Hyperthreading: 2 logical CPUs > real memory = 4160225280 (3967 MB) > avail memory = 4073271296 (3884 MB) > FreeBSD/SMP: Multiprocessor System Detected: 2 CPUs > cpu0 (BSP): APIC ID: 0 > cpu1 (AP): APIC ID: 6 > > The NFS exported filesystem is on a Q-Logic FC card > > isp0: <Qlogic ISP 2312 PCI FC-AL Adapter> port 0x4000-0x40ff mem > 0xf8300000-0xf8300fff irq 28 at device 3.0 on pci3 > isp0: [GIANT-LOCKED] > > The disk is formated UFS2 and is big, but not *that* big yet > > /dev/da1s1d 471860682 206516934 227594894 48% /usr/local/export > > Every 12 hours or so the system crashes with a hard lock and no error > messages in /var/log/messages or on the screen. I've moved all the > disks to a duplicate system. If it continues to lock hard what's the > possibility the issue is SMP? See this message from yesterday (submitted to announce): ftp://ftp.freebsd.org/pub/FreeBSD/ERRATA/notices/FreeBSD-EN-05:01.nfs.asc In short, update your system. Cheers, Erik -- Ph: +34.666334818 web: www.locolomo.org S/MIME Certificate: http://www.locolomo.org/crt/2004071206.crt Subject ID: A9:76:7A:ED:06:95:2B:8D:48:97:CE:F2:3F:42:C8:F2:22:DE:4C:B9 Fingerprint: 4A:E8:63:38:46:F6:9A:5D:B4:DC:29:41:3F:62:D3:0A:73:25:67:C2
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