Date: Sat, 18 Apr 2015 21:37:48 +0000 From: bugzilla-noreply@freebsd.org To: freebsd-arm@FreeBSD.org Subject: [Bug 188933] [lor] lock order reversal: backtrace while writing to SD/eMMC Message-ID: <bug-188933-7-6dFZcNVLLp@https.bugs.freebsd.org/bugzilla/> In-Reply-To: <bug-188933-7@https.bugs.freebsd.org/bugzilla/>
index | next in thread | previous in thread | raw e-mail
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=188933 --- Comment #4 from Sverre Eldøy <skeldoy@gmail.com> --- Actually I get the same when I do shutdown -p now on the BBB as well: Syncing disks, vnodes remaining...4 4 3 3 0 0 0 done All buffers synced. lock order reversal: 1st 0xc2fa94b4 ufs (ufs) @ /usr/src/sys/kern/vfs_mount.c:1229 2nd 0xc2faaa54 devfs (devfs) @ /usr/src/sys/ufs/ffs/ffs_vfsops.c:1375 KDB: stack backtrace: db_trace_self() at db_trace_self pc = 0xc05d62e0 lr = 0xc0233ff4 (db_trace_self_wrapper+0x30) sp = 0xcd2ff980 fp = 0xcd2ffa98 r10 = 0xc062db9b db_trace_self_wrapper() at db_trace_self_wrapper+0x30 pc = 0xc0233ff4 lr = 0xc03cdbd4 (witness_checkorder+0xf4c) sp = 0xcd2ffaa0 fp = 0xcd2ffaf0 r4 = 0xc063999a r5 = 0xc2faaa54 r6 = 0xc066399f r7 = 0xc066399c witness_checkorder() at witness_checkorder+0xf4c pc = 0xc03cdbd4 lr = 0xc0354628 (__lockmgr_args+0x838) sp = 0xcd2ffaf8 fp = 0xcd2ffb60 r4 = 0xc066399c r5 = 0xc063999a r6 = 0xc2faaa54 r7 = 0x00000000 r8 = 0xc2faaa74 r9 = 0x00080400 r10 = 0x00080000 __lockmgr_args() at __lockmgr_args+0x838 pc = 0xc0354628 lr = 0xc0411aa8 (vop_stdlock+0x3c) sp = 0xcd2ffb68 fp = 0xcd2ffb78 r4 = 0xcd2ffba0 r5 = 0xc07140e8 r6 = 0x00000000 r7 = 0x00080400 r8 = 0xcd2ffba0 r9 = 0xc06602f8 r10 = 0x0000055f vop_stdlock() at vop_stdlock+0x3c pc = 0xc0411aa8 lr = 0xc060374c (VOP_LOCK1_APV+0x128) sp = 0xcd2ffb80 fp = 0xcd2ffb98 VOP_LOCK1_APV() at VOP_LOCK1_APV+0x128 pc = 0xc060374c lr = 0xc0430044 (_vn_lock+0x48) sp = 0xcd2ffba0 fp = 0xcd2ffbd0 r4 = 0xc2faaa20 r5 = 0xc2a7d660 r6 = 0xc066399c r10 = 0x0000055f _vn_lock() at _vn_lock+0x48 pc = 0xc0430044 lr = 0xc0585760 (ffs_flushfiles+0x118) sp = 0xcd2ffbd8 fp = 0xcd2ffc10 r4 = 0xc2d65900 r5 = 0xc2a7d660 r6 = 0xc2d5a2b0 r7 = 0x00000000 r8 = 0x0000000a r9 = 0xc06602f8 r10 = 0xc2a7d660 ffs_flushfiles() at ffs_flushfiles+0x118 pc = 0xc0585760 lr = 0xc0569810 (softdep_flushfiles+0xdc) sp = 0xcd2ffc18 fp = 0xcd2ffc68 r4 = 0x00000008 r5 = 0xc2a7d660 r6 = 0x00000002 r7 = 0x0000000a r8 = 0x00000000 r9 = 0xc06602f8 r10 = 0xc2d5a2b0 softdep_flushfiles() at softdep_flushfiles+0xdc pc = 0xc0569810 lr = 0xc05883f4 (ffs_unmount+0x88) sp = 0xcd2ffc70 fp = 0xcd2ffca8 r4 = 0x00000000 r5 = 0xc2d65900 r6 = 0x00000002 r7 = 0xc2a7d660 r8 = 0x00000001 r9 = 0xc2d5a2b0 r10 = 0xc309b000 ffs_unmount() at ffs_unmount+0x88 pc = 0xc05883f4 lr = 0xc041a2e8 (dounmount+0x4c0) sp = 0xcd2ffcb0 fp = 0xcd2ffcf8 r4 = 0x00000000 r5 = 0x00000000 r6 = 0x00080000 r7 = 0x00000000 r8 = 0xc2fa9480 r9 = 0x00080000 r10 = 0xc2a7d660 dounmount() at dounmount+0x4c0 pc = 0xc041a2e8 lr = 0xc0422ea0 (vfs_unmountall+0x58) sp = 0xcd2ffd00 fp = 0xcd2ffd20 r4 = 0xc2a7d660 r5 = 0xc063999a r6 = 0xc07404e0 r7 = 0xc2d5a2b0 r8 = 0xc0714470 r9 = 0xc065e3f8 r10 = 0xc064ed48 vfs_unmountall() at vfs_unmountall+0x58 pc = 0xc0422ea0 lr = 0xc0372510 (kern_reboot+0x4ec) sp = 0xcd2ffd28 fp = 0xcd2ffd80 r4 = 0x00000000 r5 = 0x00000000 r6 = 0xc07404e0 r7 = 0xcd114eb0 r8 = 0x00004008 r9 = 0xc0725614 r10 = 0xc07b5ecc kern_reboot() at kern_reboot+0x4ec pc = 0xc0372510 lr = 0xc0372024 (kern_reboot) sp = 0xcd2ffd88 fp = 0xcd2ffd90 r4 = 0xcd2ffe00 r5 = 0x00000000 r6 = 0xc07b5840 r7 = 0x00000000 r8 = 0xcd2ffdf8 r9 = 0xc2a7a000 r10 = 0x0000001e kern_reboot() at kern_reboot pc = 0xc0372024 lr = 0xc05ea080 (swi_handler+0x2e4) sp = 0xcd2ffd98 fp = 0xcd2ffe48 r4 = 0xcd2ffdf8 r5 = 0xc2a7a000 r6 = 0x0000001e r7 = 0xcd2ffd90 r8 = 0xc0372024 r9 = 0xc2a7d660 r10 = 0x0000001e swi_handler() at swi_handler+0x2e4 pc = 0xc05ea080 lr = 0xc05d7990 (swi_exit) sp = 0xcd2ffe50 fp = 0xbffff938 r4 = 0x00008a18 r5 = 0x000ddd5c r6 = 0x0000003c r7 = 0x00000037 r8 = 0x0000001f r9 = 0x000e0430 r10 = 0x0000001e swi_exit() at swi_exit pc = 0xc05d7990 lr = 0xc05d7990 (swi_exit) sp = 0xcd2ffe50 fp = 0xbffff938 Uptime: 12m56s The operating system has halted. Please press any key to reboot. -- You are receiving this mail because: You are the assignee for the bug.home | help
Want to link to this message? Use this
URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?bug-188933-7-6dFZcNVLLp>