panic #2: Memory modified after free

From: Andrey Chernov (ache_at_freebsd.org)
Date: 06/24/05

  • Next message: Gleb Smirnoff: "Re: panic #2: Memory modified after free" 
    Date: Fri, 24 Jun 2005 14:19:51 +0400
To: silby@silby.com, current@freebsd.org

    Got another one.

    Memory modified after free 0xc24a0000(256) val=c122b200 @ 0xc24a0000

    (kgdb) bt
    #0 doadump () at pcpu.h:165
    #1 0xc049c602 in boot (howto=260) at ../../../kern/kern_shutdown.c:397
    #2 0xc049c93d in panic (
        fmt=0xc05f6bb2 "Memory modified after free %p(%d) val=%x @ %p\n")
        at ../../../kern/kern_shutdown.c:553
    #3 0xc057b616 in trash_ctor (mem=0xc24a0000, size=0, arg=0x0, flags=0)
        at ../../../vm/uma_dbg.c:72
    #4 0xc057b6a8 in trash_fini (mem=0x0, size=0) at
    ../../../vm/uma_dbg.c:117
    #5 0xc05780d6 in zone_drain (zone=0xc0c4dae0) at
    ../../../vm/uma_core.c:725
    #6 0xc05793b5 in zone_foreach (zfunc=0xc0577f30 <zone_drain>)
        at ../../../vm/uma_core.c:1478
    #7 0xc057ae37 in uma_reclaim () at ../../../vm/uma_core.c:2649
    #8 0xc058e189 in vm_pageout_scan (pass=0) at ../../../vm/vm_pageout.c:674
    #9 0xc058f53b in vm_pageout () at ../../../vm/vm_pageout.c:1476
    #10 0xc04848f1 in fork_exit (callout=0xc058f220 <vm_pageout>, arg=0x0,
        frame=0x0) at ../../../kern/kern_fork.c:789
    #11 0xc05b8dac in fork_trampoline () at ../../../i386/i386/exception.s:208 

    -- 
http://ache.pp.ru/
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  • Next message: Gleb Smirnoff: "Re: panic #2: Memory modified after free"