Date: Thu, 11 Mar 2010 15:28:29 +0100 From: Ivan Voras <ivoras@freebsd.org> To: freebsd-stable@freebsd.org Cc: freebsd-fs@freebsd.org Subject: Re: Many processes stuck in zfs Message-ID: <hnaum5$akv$1@dough.gmane.org> In-Reply-To: <20100311150933.18276bypviae5mw4@webmail.leidinger.net> References: <864468D4-DCE9-493B-9280-00E5FAB2A05C@lassitu.de> <20100309122954.GE3155@garage.freebsd.pl> <EC9BC6B4-8D0E-4FE3-852F-0E3A24569D33@sarenet.es> <20100309125815.GF3155@garage.freebsd.pl> <CB854F58-03AF-46DD-8153-85FA96037C21@sarenet.es> <BFF1E2D6-B48A-4A5E-ACEE-8577FDB07820@sarenet.es> <20100310110202.GA1715@garage.freebsd.pl> <E04F91AA-B2C4-4166-A24A-74F1BEF01519@sarenet.es> <20100310173143.GD1715@garage.freebsd.pl> <20100311084527.2934034895hvgxaw@webmail.leidinger.net> <764BD545-B86C-47DC-9004-964EB2216AF0@sarenet.es> <hnaide$r8h$1@dough.gmane.org> <20100311150933.18276bypviae5mw4@webmail.leidinger.net>
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On 03/11/10 15:09, Alexander Leidinger wrote: > > Quoting Ivan Voras <ivoras@freebsd.org> (from Thu, 11 Mar 2010 11:59:01 > +0100): > >> On 03/11/10 09:54, Borja Marcos wrote: >> >> I don't know about the rest but this: >> >>> CPU: Intel(R) Xeon(R) CPU L5420 @ 2.50GHz (2496.25-MHz K8-class CPU) >> >> does not agree with this: >> >>> FreeBSD/SMP: 1 package(s) x 8 core(s) >> >> The Xeon 54xx series does not come in 8 core packages. Either it is >> 2xquad-core or a Xeon 55xx. > > Can also be a problem in the layout detection logic... Not likely, because the 54xx family is very wide spread and nothing special with regards to its topology. It also has the same topology as 53xx. These are systems limited to two physical sockets, each of which can have a single, dual or a quad core CPU and the 5xxx motherboards accept all CPUs from series 50xx, 51xx, 52xx, 53xx, 54xx. In short - these are very, very common systems. My guess would be that someone, somewhere is lying - I don't know if CPUID can be (wrongly) updated by microcode, for example, or if the mptable can be corrupted in a way to represent two physical (socketed) CPUs as one.
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