Re: Major problem with "No buffer space available" errors

From: Claus Guttesen (cguttesen_at_yahoo.dk)
Date: 07/16/03

  • Next message: Leigh: "RE: Major problem with "No buffer space available" errors" 
    Date: Wed, 16 Jul 2003 15:36:32 +0200 (CEST)
To: James West <jwest254@mail.com>, freebsd-performance@freebsd.org

    Hi.

    > I'm having huge problems with "No buffer space
    > available" errors. I've increased MAXUSERS to 512 in
    > the kernel, recompiled, rebooted and the sysctl
    > values below show that everything is up'ed to the
    > max.
    >

    Are you running ipfw on the box? When I configured a
    queue without a pipe to put it on, I got the same
    message and couldn't ping hosts on that interface
    until I removed the queue.

    regards
    Claus

    Yahoo! Mail (http://dk.mail.yahoo.com) - Gratis: 6 MB lagerplads, spamfilter og virusscan
    _______________________________________________
    freebsd-performance@freebsd.org mailing list
    http://lists.freebsd.org/mailman/listinfo/freebsd-performance
    To unsubscribe, send any mail to "freebsd-performance-unsubscribe@freebsd.org"

  • Next message: Leigh: "RE: Major problem with "No buffer space available" errors"

    Relevant Pages

    • Re: FreeBSD 6.0 - amount of total visible memory is decreasing in time
      ... Total amount of visible memory is decreasing while system is ... and other other unmanaged pages don't exist on any queue. ... I presume you're running an amd64 kernel. ...
      (freebsd-hackers)
    • Re: is killing zombies possible w/o a reboot?
      ... One process is the parent, ... > context switches into kernel space. ... > put on a wait queue so other processes can run. ... and steps to reproduce the driver bug (if it is ...
      (Linux-Kernel)
    • Re: UNINTERRUPTABLE task state.
      ... > is in UNINTERRUPTIBLE state when it sleeps blocking all signals. ... The kernel performs magic on behalf of processes. ... sends a request to the kernel, and the kernel tries to service the request. ... and parking it in a queue. ...
      (comp.os.linux.misc)
    • Re: 3w-9xxx status in kernel
      ... considering trying to replace it with the newest driver from 3ware.com. ... You need to make sure that the nr_requests (kernel request queue) ... is at least twice the size of queue_depth. ... CFQ seems to like larger nr_requests, so if you use CFQ, try 254 ...
      (Linux-Kernel)
    • Re: P-C queues
      ... > IOCP NT are super performant, but usefull especially for dispatch events ... In the specialised case of overlapped I/O, I do use an IOCP queue in my ... > Switches and scheduler cpu time using a well designed kernel ProActor ...
      (borland.public.delphi.language.basm)