Date: Thu, 06 Jan 2005 16:49:56 +0100 From: Heinrich Rebehn <rebehn@ant.uni-bremen.de> To: Erik Norgaard <norgaard@locolomo.org> Cc: freebsd-questions@freebsd.org Subject: Re: SMP and NFS Message-ID: <41DD5E24.905@ant.uni-bremen.de> In-Reply-To: <41DD5618.6070801@locolomo.org> References: <E75D32F8-5FF3-11D9-B88F-00039367611E@obmail.net> <41DD5618.6070801@locolomo.org>
next in thread | previous in thread | raw e-mail | index | archive | help
Erik Norgaard wrote: > 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 Since i am going to set up a SMP NFS server too, i would be interested if this really solves the OP's problem. After all, he is talking about a "hard lock with no messages..", as opposed to a "kernel panic", which in my understanding always produces messages. Heinrich Rebehn University of Bremen Physics / Electrical and Electronics Engineering - Department of Telecommunications - Phone : +49/421/218-4664 Fax : -3341
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?41DD5E24.905>