Re: panic: kmem_malloc; Should I increase some setting?

From: Ronald Klop (ronald-freebsd7_at_klop.yi.org)
Date: 06/30/04

  • Next message: John Baldwin: "Re: kern/68442: panic - acquiring duplicate lock of same type: "sleepq chain"" 
    Date: Wed, 30 Jun 2004 03:35:07 +0200
To: Doug White <dwhite@gumbysoft.com>

    On Tue, 29 Jun 2004 18:22:57 -0700 (PDT), Doug White
    <dwhite@gumbysoft.com> wrote:

    > On Wed, 30 Jun 2004, Ronald Klop wrote:
    >
    >> I get the following panics while untarring a 30MB archive on an md
    >> device
    >> create with:
    >> tmpmfs="YES"
    >> tmpsize="256m"
    >
    > This is a malloc-backed md disk, which consumes memory directly from KVM.
    > If you do a large extraction it will consume all of KVM and cause your
    > panic. Unless you're running diskless and this is your only option
    > besides NFS, either don't use tmpmfs or avoid extracting large amounts of
    > data to /tmp.

    Thanks, I read this a few moments ago in the manual page.
    Isn't there a way to prevent or warn people when they create a malloc
    backed disk that is larger than KVM? I think a panic isn't very user
    friendly and it took me quite some time to figure this out.

    Ronald. 

    -- 
  Ronald Klop
  Amsterdam, The Netherlands
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  • Next message: John Baldwin: "Re: kern/68442: panic - acquiring duplicate lock of same type: "sleepq chain""

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