Date: Fri, 24 Jun 2005 16:09:56 +0400 From: Gleb Smirnoff <glebius@FreeBSD.org> To: Andrey Chernov <ache@FreeBSD.org>, silby@silby.com, current@FreeBSD.org Subject: Re: panic #2: Memory modified after free Message-ID: <20050624120956.GA72903@cell.sick.ru> In-Reply-To: <20050624101951.GA840@nagual.pp.ru> References: <20050624101951.GA840@nagual.pp.ru>
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On Fri, Jun 24, 2005 at 02:19:51PM +0400, Andrey Chernov wrote: A> Got another one. A> A> Memory modified after free 0xc24a0000(256) val=c122b200 @ 0xc24a0000 A> A> (kgdb) bt A> #0 doadump () at pcpu.h:165 A> #1 0xc049c602 in boot (howto=260) at ../../../kern/kern_shutdown.c:397 A> #2 0xc049c93d in panic ( A> fmt=0xc05f6bb2 "Memory modified after free %p(%d) val=%x @ %p\n") A> at ../../../kern/kern_shutdown.c:553 A> #3 0xc057b616 in trash_ctor (mem=0xc24a0000, size=0, arg=0x0, flags=0) A> at ../../../vm/uma_dbg.c:72 A> #4 0xc057b6a8 in trash_fini (mem=0x0, size=0) at A> ../../../vm/uma_dbg.c:117 A> #5 0xc05780d6 in zone_drain (zone=0xc0c4dae0) at A> ../../../vm/uma_core.c:725 A> #6 0xc05793b5 in zone_foreach (zfunc=0xc0577f30 <zone_drain>) A> at ../../../vm/uma_core.c:1478 A> #7 0xc057ae37 in uma_reclaim () at ../../../vm/uma_core.c:2649 A> #8 0xc058e189 in vm_pageout_scan (pass=0) at ../../../vm/vm_pageout.c:674 A> #9 0xc058f53b in vm_pageout () at ../../../vm/vm_pageout.c:1476 A> #10 0xc04848f1 in fork_exit (callout=0xc058f220 <vm_pageout>, arg=0x0, A> frame=0x0) at ../../../kern/kern_fork.c:789 A> #11 0xc05b8dac in fork_trampoline () at ../../../i386/i386/exception.s:208 What is the zone? kgdb> frame 5 kgdb> p *zone -- Totus tuus, Glebius. GLEBIUS-RIPN GLEB-RIPE
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