Date: Wed, 5 Oct 2005 13:18:09 +0400 From: Gleb Smirnoff <glebius@FreeBSD.org> To: Andrew Thompson <thompsa@FreeBSD.org>, "yar@FreeBSD.org FreeBSD Current" <current@FreeBSD.org>, Brooks Davis <brooks@FreeBSD.org> Subject: Re: panic: ifc_free_unit: bit is already cleared Message-ID: <20051005091809.GW88623@cell.sick.ru> In-Reply-To: <20051005024903.GA72743@heff.fud.org.nz> References: <20051005024903.GA72743@heff.fud.org.nz>
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On Wed, Oct 05, 2005 at 03:49:03PM +1300, Andrew Thompson wrote: A> Hi, A> A> I have found a repeatable panic with network device cloning, unfortunatly I am A> unable to dump on this box. This is sparc64 with a 2 day old current. A> A> A> [root@dev]# kldload if_vlan A> [root@dev]# for i in `jot 100 1`; do A> for> ifconfig xl0.$i create A> for> done A> [root@dev]# kldunload if_vlan shouldn't it return EBUSY here? A> panic: ifc_free_unit: bit is already cleared A> cpuid = 0 A> KDB: enter: panic A> [thread pid 4527 tid 100089 ] A> Stopped at kdb_enter+0x3c: ta %xcc, 1 A> db> trace A> Tracing pid 4527 tid 100089 td 0xfffff8000ab8e4c0 A> panic() at panic+0x164 A> ifc_free_unit() at ifc_free_unit+0x50 A> vlan_clone_destroy() at vlan_clone_destroy+0x8c A> vlan_modevent() at vlan_modevent+0x44 A> module_unload() at module_unload+0x60 A> linker_file_unload() at linker_file_unload+0x7c A> kern_kldunload() at kern_kldunload+0x84 A> kldunloadf() at kldunloadf+0x1c A> syscall() at syscall+0x2dc A> -- syscall (444, FreeBSD ELF64, kldunloadf) %o7=0x100b58 -- A> userland() at 0x40391348 A> user trace: trap %o7=0x100b58 A> pc 0x40391348, sp 0x7fdffffdde1 A> pc 0x100894, sp 0x7fdffffe2c1 A> pc 0x40209474, sp 0x7fdffffe381 A> done A> db> A> A> _______________________________________________ A> freebsd-current@freebsd.org mailing list A> http://lists.freebsd.org/mailman/listinfo/freebsd-current A> To unsubscribe, send any mail to "freebsd-current-unsubscribe@freebsd.org" -- Totus tuus, Glebius. GLEBIUS-RIPN GLEB-RIPE
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