2.6.20-rc1: CIFS cheers, NFS4 jeers
- From: florin@xxxxxxxxx (Florin Iucha)
- Date: Mon, 26 Feb 2007 00:45:00 -0600
Hello, it's me and my 70 GB of photos again.
I have tested both CIFS and NFSv4 clients in kernel 2.6.20-rc1 . CIFS
passed with flying colors and NFSv4 stalled after 7 GB.
Configuration:
Server: PIII/1GHz, 512 MB RAM, Debian testing,
distro kernel 2.6.18-3-vserver-686, Intel E1000 NIC,
filesystem 170 GB ext3 with default mkfs values on a SATA disk
Client: AMD x2 4200+, 2 GB RAM, Debian testing/unstable
kernel 2.6.20-rc1, Marvell SKGE onboard,
filesystem 120 GB ext3 with default mkfs values on a SATA disk
After the writing stalls, I have echoed 't' into /proc/sysrq-trigger
and got a trace, which is at http://iucha.net/20-rc1/after.1. There was
no oops before the trace request; the 'before' dmesg is at
http://iucha.net/20-rc1/before.1 .
Running 'top', one core is idle and the other is 99% waiting, while
the 'cp' program is in 'D' state. Also, after NFSv4 stalls, invokations
of 'lsof' stall as well. I can 'ssh' into the box without problems.
florin
--
Bruce Schneier expects the Spanish Inquisition.
http://geekz.co.uk/schneierfacts/fact/163
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