Date: Sun, 18 Jul 2004 19:09:27 +0200 From: "Willem Jan Withagen" <wjw@withagen.nl> To: "Willem Jan Withagen" <wjw@withagen.nl>, "Robert Watson" <rwatson@freebsd.org> Cc: current@freebsd.org Subject: Re: panic: Duplicate free of item 0xffffff005c4a8600 from zone0xffffff007fed4780(Mbuf) Message-ID: <0fe101c46ce9$fba26440$471b3dd4@digiware.nl> References: <Pine.NEB.3.96L.1040718105655.37108Q-100000@fledge.watson.org> <0f7001c46cdb$0b23cdf0$471b3dd4@digiware.nl>
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From: "Willem Jan Withagen" <wjw@withagen.nl> To: "Robert Watson" <rwatson@freebsd.org> > > On Sun, 18 Jul 2004, Willem Jan Withagen wrote: > > > > > Started running with debug.mpsafe=1. Not shure if it has anything to do > > > with it.... > > > > It might well do, but here are some things to try: > > > > - See if you can reproduce this with your exact some configuration in a > > few runs. If you can, then we should try some other configurations. > > Yup, just got almost the same one.... > It took a little longer, but perhaps cause I did not untar the port I'm trying > to test on amd64. > > Slab at 0xffffff006624ffa0, freei 29 = 0. > panic: Duplicate free of item 0xffffff006624fcb0 from zone 0xffffff007fed4180(Fi > les) > > cpuid = 1; > KDB: stack backtrace: > kdb_backtrace() at kdb_backtrace+0x34 > panic() at panic+0x1d2 > uma_dbg_free() at uma_dbg_free+0x112 > uma_zfree_arg() at uma_zfree_arg+0x10a > ffree() at ffree+0x8e > fdrop_locked() at fdrop_locked+0xce > fdrop() at fdrop+0x32 > getdirentries() at getdirentries+0x2fc > syscall() at syscall+0x2fa > Xfast_syscall() at Xfast_syscall+0xa8 > --- syscall (196, FreeBSD ELF64, getdirentries), rip = 0x2006a2204, rsp = 0x7fff > ffffe758, rbp = 0x7fffffffe780 --- > KDB: enter: panic > [thread 100132] > Stopped at kdb_enter+0x2e: nop > > I'll try one more time. Well not quite: ---- panic: process 47044(find):2 holds Giant but isn't blocked on a lock cpuid = 1; KDB: enter: panic ---- After which the console froze... I'll try again. --WjW
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