Date: Wed, 19 Jan 2005 20:07:36 -0500 (EST) From: "Ketrien I. Saihr-Kenchedra" <ketrien@error404.nls.net> To: current@freebsd.org Subject: LOR - pcn vs radix node head (Jan16 -CUR) Message-ID: <20050119200215.J1832@bahre.achedra.org>
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This one comes from the same Jan16 -CUR. pcn(4) has the patch I sent earlier this week applied. It's non-fatal, and I can't seem to reproduce it now. (Multiple attach/detach cycles have not exposed the ACPI LOR again, hooray!) ukphy0: detached miibus0: detached lock order reversal 1st 0xc214bf90 pcn0 (network driver) @ /usr/src/sys/modules/pcn/../../pci/if_pcn.c:1386 2nd 0xc1d0be7c radix node head (radix node head) @ net/route.c:1171 KDB: stack backtrace: witness_checkorder(c1d0be7c,9,c070bfd9,493,9) at witness_checkorder+0x5c6 _mtx_lock_flags(c1d0be7c,0,c070bfd0,493,c1d0be7c) at _mtx_lock_flags+0x54 rtinit(c1f5f900,2,0,c1f5f900,c0745200) at rtinit+0x165 in_ifscrub(c214b800,c1f5f900,c0745200,c07452dc,db26cb38) at in_ifscrub+0x117 rip_ctlinput(0,c1f5f9c4,0,c1f5f900,c214b800) at rip_ctlinput+0x4b pfctlinput(0,c1f5f9c4,c0767840,0,c214b800) at pfctlinput+0x63 if_down(c214b800,12b,0,c0743440,c0743464) at if_down+0x35 if_detach(c214b800,c214b800,db26cbf8,c2179706,c214b800) at if_detach+0x10e ether_ifdetach(c214b800,8,c217a7a3,299,c1c59380) at ether_ifdetach+0x23 pcn_detach(c1c59380,c214c850,c073606c,933,c217b990) at pcn_detach+0xd6 device_detach(c1c59380,c217a6f9,c2123740,1,c1c1fa00) at device_detach+0x99 devclass_delete_driver(c1c1fa00,c217b990,1f2,0,c21237c0) at devclass_delete_driver+0xd1 driver_module_handler(c21237c0,1,c217b97c) at driver_module_handler+0xe2 module_unload(c21237c0,0,1f2,c1f5e000,c07001e5) at module_unload+0x68 linker_file_unload(c1f5e000,0,c07001ee,31e,bfbfe8b0) at linker_file_unload+0x29d kern_kldunload(0,db26cd14,8,3ff,2) at kern_kldunload+0x8c syscall(2f,2f,2f,3,bfbfee2a) at syscall+0x137 Xint0x80_syscall() at Xint0x80_syscall+0x1f --- syscall (444, FreeBSD ELF32, kldunloadf), eip = 0x280c459f, esp = 0xbfbfe8ac, ebp = 0xbfbfed24 --- pcn0: detached -ksaihr
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