Date: Fri, 14 Dec 2012 11:56:19 +0100 From: Fleuriot Damien <ml@my.gd> To: FreeBSD Current <freebsd-current@freebsd.org> Subject: 10-CURRENT r244183 amd64 multiple lock order reversals Message-ID: <5A9EB6A1-AA39-4AA5-B5FA-D566898AD248@my.gd>
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Hello list, I'm getting multipe LORs at boot on 10-CURRENT r244183 built yesterday = on amd64. Anyone else getting these ? Anything I can do to help get them fixed ? My make.conf contains: =3D=3D=3D CC=3Dclang CXX=3Dclang++ CPP=3Dclang-cpp # This setting to build world without -Werror NO_WERROR=3D # This setting to build kernel without -Werror WERROR=3D # Don't forget this when using jails ! NO_FSCHG=3D CFLAGS=3D -O2 -fno-strict-aliasing -pipe NO_GAMES=3Dtrue NO_INFO=3Dtrue NO_KERBEROS=3Dtrue NO_LPR=3Dtrue NO_NIS=3Dtrue NO_BLUETOOTH=3Dtrue KERNCONF=3DDAM MODULES_OVERRIDE=3D opensolaris zfs if_lagg pf pflog =3D=3D=3D First LOR, apparently in PF: altq: emulate 256000000Hz cpu clock lock order reversal: (sleepable after non-sleepable) 1st 0xffffffff81390418 pf rulesets (pf rulesets) @ = /data/freebsd/src/head/sys/modules/pf/../../netpfil/pf/pf_ioctl.c:1153 2nd 0xffffffff80e5e298 ifnet_sx (ifnet_sx) @ = /data/freebsd/src/head/sys/modules/pf/../../netpfil/pf/pf_if.c:481 KDB: stack backtrace: db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame = 0xffffff80f6e4a9d0 kdb_backtrace() at kdb_backtrace+0x39/frame 0xffffff80f6e4aa80 witness_checkorder() at witness_checkorder+0xc47/frame = 0xffffff80f6e4ab00 _sx_slock() at _sx_slock+0x69/frame 0xffffff80f6e4ab40 pfi_kif_update() at pfi_kif_update+0x10d/frame 0xffffff80f6e4abb0 pfi_dynaddr_setup() at pfi_dynaddr_setup+0x2d1/frame 0xffffff80f6e4ac20 pfioctl() at pfioctl+0x4a61/frame 0xffffff80f6e4b9a0 devfs_ioctl_f() at devfs_ioctl_f+0xf0/frame 0xffffff80f6e4ba00 kern_ioctl() at kern_ioctl+0x1ce/frame 0xffffff80f6e4ba50 sys_ioctl() at sys_ioctl+0x11f/frame 0xffffff80f6e4baa0 amd64_syscall() at amd64_syscall+0x265/frame 0xffffff80f6e4bbb0 Xfast_syscall() at Xfast_syscall+0xfb/frame 0xffffff80f6e4bbb0 --- syscall (54, FreeBSD ELF64, sys_ioctl), rip =3D 0x800d923ea, rsp =3D = 0x7fffffffbde8, rbp =3D 0x7fffffffc9e0 --- PF is used as a module, however I've compiled in ALTQ support: options ALTQ options ALTQ_CBQ options ALTQ_RED options ALTQ_RIO options ALTQ_HFSC options ALTQ_CDNR options ALTQ_PRIQ options ALTQ_NOPCC options ALTQ_DEBUG Second and third LORs, with vfs: lock order reversal: 1st 0xffffff80c0f92a48 bufwait (bufwait) @ = /data/freebsd/src/head/sys/kern/vfs_bio.c:2631 2nd 0xfffffe000619d600 dirhash (dirhash) @ = /data/freebsd/src/head/sys/ufs/ufs/ufs_dirhash.c:284 KDB: stack backtrace: db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame = 0xffffff80f0c32690 kdb_backtrace() at kdb_backtrace+0x39/frame 0xffffff80f0c32740 witness_checkorder() at witness_checkorder+0xc47/frame = 0xffffff80f0c327c0 _sx_xlock() at _sx_xlock+0x66/frame 0xffffff80f0c32800 ufsdirhash_remove() at ufsdirhash_remove+0x37/frame 0xffffff80f0c32830 ufs_dirremove() at ufs_dirremove+0x116/frame 0xffffff80f0c32880 ufs_remove() at ufs_remove+0x75/frame 0xffffff80f0c328e0 VOP_REMOVE_APV() at VOP_REMOVE_APV+0xc8/frame 0xffffff80f0c32900 kern_unlinkat() at kern_unlinkat+0x20b/frame 0xffffff80f0c32aa0 amd64_syscall() at amd64_syscall+0x265/frame 0xffffff80f0c32bb0 Xfast_syscall() at Xfast_syscall+0xfb/frame 0xffffff80f0c32bb0 --- syscall (10, FreeBSD ELF64, sys_unlink), rip =3D 0x80091a61a, rsp =3D = 0x7fffffffca78, rbp =3D 0x7fffffffdc30 --- lock order reversal: 1st 0xfffffe0006208668 ufs (ufs) @ = /data/freebsd/src/head/sys/kern/vfs_mount.c:851 2nd 0xfffffe00371d1098 devfs (devfs) @ = /data/freebsd/src/head/sys/kern/vfs_subr.c:2161 KDB: stack backtrace: db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame = 0xffffff80f6e283f0 kdb_backtrace() at kdb_backtrace+0x39/frame 0xffffff80f6e284a0 witness_checkorder() at witness_checkorder+0xc47/frame = 0xffffff80f6e28520 __lockmgr_args() at __lockmgr_args+0x6e2/frame 0xffffff80f6e28650 vop_stdlock() at vop_stdlock+0x3c/frame 0xffffff80f6e28670 VOP_LOCK1_APV() at VOP_LOCK1_APV+0xd0/frame 0xffffff80f6e28690 _vn_lock() at _vn_lock+0xab/frame 0xffffff80f6e28700 vget() at vget+0x70/frame 0xffffff80f6e28750 devfs_allocv() at devfs_allocv+0xfd/frame 0xffffff80f6e287a0 devfs_root() at devfs_root+0x43/frame 0xffffff80f6e287d0 vfs_donmount() at vfs_donmount+0xf92/frame 0xffffff80f6e28a60 sys_nmount() at sys_nmount+0x72/frame 0xffffff80f6e28aa0 amd64_syscall() at amd64_syscall+0x265/frame 0xffffff80f6e28bb0 Xfast_syscall() at Xfast_syscall+0xfb/frame 0xffffff80f6e28bb0 --- syscall (378, FreeBSD ELF64, sys_nmount), rip =3D 0x800a950fa, rsp =3D= 0x7fffffffccc8, rbp =3D 0x7fffffffd230 ---
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