panic: Duplicate free

From: Andrzej Tobola (ato_at_iem.pw.edu.pl)
Date: 11/01/04

  • Next message: David Gilbert: "fsck --run-with-scissors" 
    Date: Mon, 1 Nov 2004 19:30:16 +0100
To: freebsd-current@freebsd.org

    Today -current, diskless station boot:

    ....
    subnet mask ......
    Adjusted interface sis0
    SLab at 0xc0fcdfa8, freei 8 = 0.
    panic: Duplicate free of item 0xc0fcd800 from zone 0xc0c45ae0(Mbuf)

    KDB: enter: panic
    [thread 100001]
    Stopped at kdb_enter+0x2a: movl %esi,%esi
    db> where
    *** error reading from address 104 ***
    db> trace
    *** error reading from address 104 ***

    When kernel is generated without:
    ....
    makeoptions DEBUG=-g
    options DDB
    options KDB
    options WITNESS
    options WITNESS_SKIPSPIN
    options INVARIANTS
    options INVARIANT_SUPPORT

    all is OK

    any clue ?

    -a
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