Date: Fri, 24 Jun 2005 19:20:17 +0200 From: Peter Holm <peter@holm.cc> To: Thierry Herbelot <thierry@herbelot.com> Cc: freebsd-current@freebsd.org, current@freebsd.org Subject: Re: panic: Memory modified after free Message-ID: <20050624172017.GA14513@peter.osted.lan> In-Reply-To: <200506241904.33599.thierry@herbelot.com> References: <200506241626.57469.thierry@herbelot.com> <20050624164430.GA14074@peter.osted.lan> <200506241904.33599.thierry@herbelot.com>
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On Fri, Jun 24, 2005 at 07:04:31PM +0200, Thierry Herbelot wrote: > Le Friday 24 June 2005 18:44, Peter Holm a écrit : > > On Fri, Jun 24, 2005 at 04:26:55PM +0200, Thierry Herbelot wrote: > > > This is with an SMP machine (oldish BP6) > > > > It seems as thou I got the same one: > > > [SNIP details] > > seems so, indeed > (I got my panic while rebuilding the world with a "make -j2 buildworld" over > an ssh connection) > > TfH Hmmm ... here's a different one after a few minutes of stress testing: panic: Memory modified after free 0xc24d8800(256) val=c2442600 @ 0xc24d8800 cpuid = 0 KDB: enter: panic [thread pid 51 tid 100046 ] Stopped at kdb_enter+0x2b: nop db> where Tracing pid 51 tid 100046 td 0xc1575d80 kdb_enter(c0852679) at kdb_enter+0x2b panic(c086d47e,c24d8800,100,c2442600,c24d8800) at panic+0x14b trash_ctor(c24d8800,100,0,0,cc9bec38) at trash_ctor+0x2f trash_fini(c24d8800,100) at trash_fini+0x12 zone_drain(c104a9a0) at zone_drain+0x170 zone_foreach(c077b828,cc9becec,c078d2cf,...) at zone_foreach+0x37 uma_reclaim(c1575d80,cc9bec74,0,c0956c40,cc9bec80) at uma_reclaim+0x12 vm_pageout_scan(0,c09ab960,0,c086f231,5c3) at vm_pageout_scan+0x107 vm_pageout(0,cc9bed38,0,c078e088,0) at vm_pageout+0x2c3 fork_exit(c078e088,0,cc9bed38) at fork_exit+0xa0 Details at http://www.holm.cc/stress/log/cons137.html -- Peter Holm
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