Re: locking problems in IPv6 code

From: Robert Watson (rwatson_at_FreeBSD.org)
Date: 06/20/03

  • Next message: Jesse Guardiani: "Re: APM problem in 5.1-RELEASE" 
    Date: Thu, 19 Jun 2003 18:33:39 -0400 (EDT)
To: John-Mark Gurney <gurney_j@efn.org>

    Could you run with debug.witness_ddb and get a stack trace for the
    warning?

    Robert N M Watson FreeBSD Core Team, TrustedBSD Projects
    robert@fledge.watson.org Network Associates Laboratories

    On Thu, 19 Jun 2003, John-Mark Gurney wrote:

    > I am running FreeBSD 5.1-R on a sparc64 machine, and am getting warnings
    > about mallocing data w/ a lock aquired.
    >
    > dmesg output:
    > malloc() of "64" with the following non-sleepablelocks held:
    > exclusive sleep mutex netisr lock r = 0 (0xc0271890) locked @ net/netisr.c:215
    > malloc() of "64" with the following non-sleepablelocks held:
    > exclusive sleep mutex netisr lock r = 0 (0xc0271890) locked @ net/netisr.c:215
    > malloc() of "32" with the following non-sleepablelocks held:
    > exclusive sleep mutex netisr lock r = 0 (0xc0271890) locked @ net/netisr.c:215
    > malloc() of "64" with the following non-sleepablelocks held:
    > exclusive sleep mutex netisr lock r = 0 (0xc0271890) locked @ net/netisr.c:215
    > malloc() of "64" with the following non-sleepablelocks held:
    > exclusive sleep mutex netisr lock r = 0 (0xc0271890) locked @ net/netisr.c:215
    >
    > If I disable IPv6 in /etc/rc.conf, the above warnings don't appear.
    > I tried to follow the code path in IPv6's source, but it's soooo long
    > that I couldn't find where it might be allocating memory.
    >
    > Anyone have any ideas?
    >
    > --
    > John-Mark Gurney Voice: +1 415 225 5579
    >
    > "All that I will do, has been done, All that I have, has not."
    > _______________________________________________
    > freebsd-current@freebsd.org mailing list
    > http://lists.freebsd.org/mailman/listinfo/freebsd-current
    > To unsubscribe, send any mail to "freebsd-current-unsubscribe@freebsd.org"
    >

    _______________________________________________
    freebsd-current@freebsd.org mailing list
    http://lists.freebsd.org/mailman/listinfo/freebsd-current
    To unsubscribe, send any mail to "freebsd-current-unsubscribe@freebsd.org"

  • Next message: Jesse Guardiani: "Re: APM problem in 5.1-RELEASE"

    Relevant Pages