Re: Recent-current panics: duplicate free in mbuf

Load the module symbols into kgdb and get a full backtrace.

 -Kip


On 2/21/07, Andrey Chernov <ache_at_freebsd.org> wrote:
> Now I got this constantly from time to time. Any ideas?
>
> Duplicate free of item 0xc2d90100 from zone 0xc0c44000(mbuf_packet)
>
> 2  0xc04b4559 in panic (
>     fmt=0xc0611d3e "Duplicate free of item %p from zone %p(%s)\n")
>     at ../../../kern/kern_shutdown.c:567
> #3  0xc0599c71 in uma_dbg_free (zone=0xc0c44000, slab=0xc2d90fa8,
>     item=0xc2d90100) at ../../../vm/uma_dbg.c:302
> #4  0xc0598183 in uma_zfree_arg (zone=0xc0c44000, item=0xc2d90100,
> udata=0x0)
>     at ../../../vm/uma_core.c:2261
> #5  0xc04f6a18 in mb_free_ext (m=0xc2d90100) at uma.h:305
> #6  0xc04f684c in m_freem (mb=0x0) at mbuf.h:446
> #7  0xc073bde2 in ?? ()
> #8  0xc2d90100 in ?? ()
> #9  0xc263f400 in ?? ()
> #10 0x00000008 in ?? ()
> #11 0x00000000 in ?? ()
> #12 0x00000080 in ?? ()
> #13 0xd38aecac in ?? ()
> #14 0xc073c464 in ?? ()
> #15 0xc262d014 in ?? ()
> #16 0x00000001 in ?? ()
> #17 0xc073dcaa in ?? ()
> #18 0x0000061d in ?? ()
> #19 0xc262d014 in ?? ()
> #20 0x00000000 in ?? ()
> #21 0xc065ed10 in lockbuilder_pool ()
> #22 0xc2639400 in ?? ()
> #23 0xc268d000 in ?? ()
> #24 0xc256f780 in ?? ()
> #25 0x00000000 in ?? ()
> #26 0xd38aecd4 in ?? ()
> #27 0xc049c60c in ithread_execute_handlers (p=0xc262d014, ie=0xc262d000)
>     at ../../../kern/kern_intr.c:683
>
>
> --
> http://ache.pp.ru/
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