Date: Thu, 24 Apr 2014 01:00:00 GMT From: Winston Smith <smith.winston.101@gmail.com> To: freebsd-arm@FreeBSD.org Subject: Re: arm/188933: lock order reversal: backtrace while writing to SD/eMMC Message-ID: <201404240100.s3O100SR076852@freefall.freebsd.org>
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The following reply was made to PR arm/188933; it has been noted by GNATS. From: Winston Smith <smith.winston.101@gmail.com> To: bug-followup@FreeBSD.org Cc: Subject: Re: arm/188933: lock order reversal: backtrace while writing to SD/eMMC Date: Wed, 23 Apr 2014 20:56:30 -0400 --047d7b3a8214da983504f7bf51d6 Content-Type: text/plain; charset=UTF-8 Happened again, with a different report: lock order reversal: 1st 0xc2ad7814 ufs (ufs) @ /usr/src/FreeBSD-stable-10/sys/kern/vfs_subr.c:2101 2nd 0xcd2533f0 bufwait (bufwait) @ /usr/src/FreeBSD-stable-10/sys/ufs/ffs/ffs_vnops.c:262 3rd 0xc34e1814 ufs (ufs) @ /usr/src/FreeBSD-stable-10/sys/kern/vfs_subr.c:2101 KDB: stack backtrace: db_trace_self() at db_trace_self pc = 0xc0540880 lr = 0xc0230328 (db_trace_self_wrapper+0x30) sp = 0xdd9483f8 fp = 0xdd948510 r10 = 0xc34e1814 db_trace_self_wrapper() at db_trace_self_wrapper+0x30 pc = 0xc0230328 lr = 0xc0398c90 (kdb_backtrace+0x38) sp = 0xdd948518 fp = 0xdd948520 r4 = 0xc067e3a4 r5 = 0xc05a5545 r6 = 0xc05ad9ad r7 = 0xc05c0ac2 kdb_backtrace() at kdb_backtrace+0x38 pc = 0xc0398c90 lr = 0xc03b367c (witness_checkorder+0xe48) sp = 0xdd948528 fp = 0xdd948578 r4 = 0xc05940e2 witness_checkorder() at witness_checkorder+0xe48 pc = 0xc03b367c lr = 0xc0344d3c (__lockmgr_args+0x8f0) sp = 0xdd948580 fp = 0xdd9485e8 r4 = 0x00000100 r5 = 0x00080100 r6 = 0x00000835 r7 = 0xc34e1834 r8 = 0xc34e1814 r9 = 0x00080000 r10 = 0xc05ad9aa __lockmgr_args() at __lockmgr_args+0x8f0 pc = 0xc0344d3c lr = 0xc04f6e54 (ffs_lock+0x80) sp = 0xdd9485f0 fp = 0xdd948618 r4 = 0xdd948638 r5 = 0x00080100 r6 = 0xc34e17e0 r7 = 0xc34e1814 r8 = 0xc34e1834 r9 = 0x00000000 r10 = 0x00000835 ffs_lock() at ffs_lock+0x80 pc = 0xc04f6e54 lr = 0xc0565e74 (VOP_LOCK1_APV+0xd8) sp = 0xdd948620 fp = 0xdd948630 r4 = 0xdd948638 r5 = 0xc06624c0 r6 = 0x00000000 r7 = 0x00080100 r8 = 0xdd948638 r9 = 0xc05acbea VOP_LOCK1_APV() at VOP_LOCK1_APV+0xd8 pc = 0xc0565e74 lr = 0xc0414b20 (_vn_lock+0x44) sp = 0xdd948638 fp = 0xdd948668 r4 = 0xc34e17e0 r5 = 0x00000004 r6 = 0xc05ad9aa _vn_lock() at _vn_lock+0x44 pc = 0xc0414b20 lr = 0xc04054d0 (vget+0x60) sp = 0xdd948670 fp = 0xdd948690 r4 = 0xc34e17e0 r5 = 0x00000004 r6 = 0x00080100 r7 = 0xc07dbdac r8 = 0xc2c42c80 r9 = 0xc05acbea r10 = 0x00000000 vget() at vget+0x60 pc = 0xc04054d0 lr = 0xc03f9b4c (vfs_hash_get+0xd8) sp = 0xdd948698 fp = 0xdd9486c8 r4 = 0xc07dbd90 r5 = 0x00000004 r6 = 0xc29e4ac0 r7 = 0xc07dbdac r8 = 0xc34e17e0 vfs_hash_get() at vfs_hash_get+0xd8 pc = 0xc03f9b4c lr = 0xc04f1ea4 (ffs_vgetf+0x3c) sp = 0xdd9486d0 fp = 0xdd948728 r4 = 0xc325b0c0 r5 = 0x00080000 r6 = 0xc29e4ac0 r7 = 0x00000004 r8 = 0xc325b0c0 r9 = 0x00000000 r10 = 0xdd948788 ffs_vgetf() at ffs_vgetf+0x3c pc = 0xc04f1ea4 lr = 0xc04e8d40 (softdep_sync_buf+0x9c8) sp = 0xdd948730 fp = 0xdd9487a8 r4 = 0xc325b0c0 r5 = 0xc05bcdd9 r6 = 0xc05bcdd9 r7 = 0xc29f1300 r8 = 0xc325b0c0 r9 = 0x00000000 r10 = 0x00000004 softdep_sync_buf() at softdep_sync_buf+0x9c8 pc = 0xc04e8d40 lr = 0xc04f7c6c (ffs_syncvnode+0x2ec) sp = 0xdd9487b0 fp = 0xdd948800 r4 = 0xc2ad77e0 r5 = 0x00000000 r6 = 0xc05c0abf r7 = 0x00000001 r8 = 0xcd2533f0 r9 = 0x00000010 r10 = 0xcd253398 ffs_syncvnode() at ffs_syncvnode+0x2ec pc = 0xc04f7c6c lr = 0xc04cb414 (ffs_truncate+0x6d8) sp = 0xdd948808 fp = 0xdd9489b8 r4 = 0xc2ad77e0 r5 = 0x00000000 r6 = 0x00000200 r7 = 0xc2a01c80 r8 = 0x00000880 r9 = 0x00000000 r10 = 0x00000200 ffs_truncate() at ffs_truncate+0x6d8 pc = 0xc04cb414 lr = 0xc04ff5bc (ufs_direnter+0x8a8) sp = 0xdd9489c0 fp = 0xdd948a28 r4 = 0xc2ad77e0 r5 = 0xc2a01c80 r6 = 0x00000000 r7 = 0x00000000 r8 = 0xc34e17e0 r9 = 0xc2ad77e0 r10 = 0x00000000 ufs_direnter() at ufs_direnter+0x8a8 pc = 0xc04ff5bc lr = 0xc05087f4 (ufs_makeinode+0x3ec) sp = 0xdd948a30 fp = 0xdd948b90 r4 = 0x00000000 r5 = 0xdd948d30 r6 = 0xdd948a50 r7 = 0x00000000 r8 = 0xdd948d48 r9 = 0xc2ad77e0 r10 = 0xc34df780 ufs_makeinode() at ufs_makeinode+0x3ec pc = 0xc05087f4 lr = 0xc0504bdc (ufs_create+0x24) sp = 0xdd948b98 fp = 0xdd948b98 r4 = 0xdd948c68 r5 = 0xc06629d0 r6 = 0x00000000 r7 = 0x00000a03 r8 = 0x00000000 r9 = 0xdd948d50 r10 = 0xdd948d30 ufs_create() at ufs_create+0x24 pc = 0xc0504bdc lr = 0xc0563fc4 (VOP_CREATE_APV+0xd0) sp = 0xdd948ba0 fp = 0xdd948bb0 VOP_CREATE_APV() at VOP_CREATE_APV+0xd0 pc = 0xc0563fc4 lr = 0xc04143ac (vn_open_cred+0x274) sp = 0xdd948bb8 fp = 0xdd948c98 r4 = 0xdd948ce0 r5 = 0xdd948d30 r6 = 0xc2ad77e0 vn_open_cred() at vn_open_cred+0x274 pc = 0xc04143ac lr = 0xc0414130 (vn_open+0x24) sp = 0xdd948ca0 fp = 0xdd948ca8 r4 = 0xc2c42c80 r5 = 0x000500cf r6 = 0x00000012 r7 = 0xdd948ce0 r8 = 0x00000000 r9 = 0xbfffe25c r10 = 0xdd948cd0 vn_open() at vn_open+0x24 pc = 0xc0414130 lr = 0xc040d668 (kern_openat+0x248) sp = 0xdd948cb0 fp = 0xdd948da8 kern_openat() at kern_openat+0x248 pc = 0xc040d668 lr = 0xc040d3b0 (sys_open+0x28) sp = 0xdd948db0 fp = 0xdd948db8 r4 = 0xc2c42c80 r5 = 0xc2c2c640 r6 = 0x00000000 r7 = 0x00000000 r8 = 0xffffffe4 r9 = 0xdd948e10 r10 = 0x01650f48 sys_open() at sys_open+0x28 pc = 0xc040d3b0 lr = 0xc0552a7c (swi_handler+0x284) sp = 0xdd948dc0 fp = 0xdd948e58 swi_handler() at swi_handler+0x284 pc = 0xc0552a7c lr = 0xc05421ac (swi_entry+0x2c) sp = 0xdd948e60 fp = 0xbfffe188 r4 = 0xbfffdfa8 r5 = 0xffffffe4 r6 = 0xbfffe250 r7 = 0x00000005 r8 = 0xffffffe4 r9 = 0x00000001 swi_entry() at swi_entry+0x2c pc = 0xc05421ac lr = 0xc05421ac (swi_entry+0x2c) sp = 0xdd948e60 fp = 0xbfffe188 Unable to unwind further --047d7b3a8214da983504f7bf51d6 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable <div dir=3D"ltr"><div>Happened again, with a different report:</div><div><b= r></div><div><br></div><div>lock order reversal:</div><div>=C2=A01st 0xc2ad= 7814 ufs (ufs) @ /usr/src/FreeBSD-stable-10/sys/kern/vfs_subr.c:2101</div><= div> =C2=A02nd 0xcd2533f0 bufwait (bufwait) @ /usr/src/FreeBSD-stable-10/sys/ufs= /ffs/ffs_vnops.c:262</div><div>=C2=A03rd 0xc34e1814 ufs (ufs) @ /usr/src/Fr= eeBSD-stable-10/sys/kern/vfs_subr.c:2101</div><div>KDB: stack backtrace:</d= iv><div> db_trace_self() at db_trace_self</div><div><span class=3D"" style=3D"white-= space:pre"> </span> pc =3D 0xc0540880 =C2=A0lr =3D 0xc0230328 (db_trace_sel= f_wrapper+0x30)</div><div><span class=3D"" style=3D"white-space:pre"> </spa= n> sp =3D 0xdd9483f8 =C2=A0fp =3D 0xdd948510</div> <div><span class=3D"" style=3D"white-space:pre"> </span>r10 =3D 0xc34e1814<= /div><div>db_trace_self_wrapper() at db_trace_self_wrapper+0x30</div><div><= span class=3D"" style=3D"white-space:pre"> </span> pc =3D 0xc0230328 =C2=A0= lr =3D 0xc0398c90 (kdb_backtrace+0x38)</div> <div><span class=3D"" style=3D"white-space:pre"> </span> sp =3D 0xdd948518 = =C2=A0fp =3D 0xdd948520</div><div><span class=3D"" style=3D"white-space:pre= "> </span> r4 =3D 0xc067e3a4 =C2=A0r5 =3D 0xc05a5545</div><div><span class= =3D"" style=3D"white-space:pre"> </span> r6 =3D 0xc05ad9ad =C2=A0r7 =3D 0xc= 05c0ac2</div> <div>kdb_backtrace() at kdb_backtrace+0x38</div><div><span class=3D"" style= =3D"white-space:pre"> </span> pc =3D 0xc0398c90 =C2=A0lr =3D 0xc03b367c (wi= tness_checkorder+0xe48)</div><div><span class=3D"" style=3D"white-space:pre= "> </span> sp =3D 0xdd948528 =C2=A0fp =3D 0xdd948578</div> <div><span class=3D"" style=3D"white-space:pre"> </span> r4 =3D 0xc05940e2<= /div><div>witness_checkorder() at witness_checkorder+0xe48</div><div><span = class=3D"" style=3D"white-space:pre"> </span> pc =3D 0xc03b367c =C2=A0lr = =3D 0xc0344d3c (__lockmgr_args+0x8f0)</div> <div><span class=3D"" style=3D"white-space:pre"> </span> sp =3D 0xdd948580 = =C2=A0fp =3D 0xdd9485e8</div><div><span class=3D"" style=3D"white-space:pre= "> </span> r4 =3D 0x00000100 =C2=A0r5 =3D 0x00080100</div><div><span class= =3D"" style=3D"white-space:pre"> </span> r6 =3D 0x00000835 =C2=A0r7 =3D 0xc= 34e1834</div> <div><span class=3D"" style=3D"white-space:pre"> </span> r8 =3D 0xc34e1814 = =C2=A0r9 =3D 0x00080000</div><div><span class=3D"" style=3D"white-space:pre= "> </span>r10 =3D 0xc05ad9aa</div><div>__lockmgr_args() at __lockmgr_args+0= x8f0</div><div> <span class=3D"" style=3D"white-space:pre"> </span> pc =3D 0xc0344d3c =C2= =A0lr =3D 0xc04f6e54 (ffs_lock+0x80)</div><div><span class=3D"" style=3D"wh= ite-space:pre"> </span> sp =3D 0xdd9485f0 =C2=A0fp =3D 0xdd948618</div><div= ><span class=3D"" style=3D"white-space:pre"> </span> r4 =3D 0xdd948638 =C2= =A0r5 =3D 0x00080100</div> <div><span class=3D"" style=3D"white-space:pre"> </span> r6 =3D 0xc34e17e0 = =C2=A0r7 =3D 0xc34e1814</div><div><span class=3D"" style=3D"white-space:pre= "> </span> r8 =3D 0xc34e1834 =C2=A0r9 =3D 0x00000000</div><div><span class= =3D"" style=3D"white-space:pre"> </span>r10 =3D 0x00000835</div> <div>ffs_lock() at ffs_lock+0x80</div><div><span class=3D"" style=3D"white-= space:pre"> </span> pc =3D 0xc04f6e54 =C2=A0lr =3D 0xc0565e74 (VOP_LOCK1_AP= V+0xd8)</div><div><span class=3D"" style=3D"white-space:pre"> </span> sp = =3D 0xdd948620 =C2=A0fp =3D 0xdd948630</div> <div><span class=3D"" style=3D"white-space:pre"> </span> r4 =3D 0xdd948638 = =C2=A0r5 =3D 0xc06624c0</div><div><span class=3D"" style=3D"white-space:pre= "> </span> r6 =3D 0x00000000 =C2=A0r7 =3D 0x00080100</div><div><span class= =3D"" style=3D"white-space:pre"> </span> r8 =3D 0xdd948638 =C2=A0r9 =3D 0xc= 05acbea</div> <div>VOP_LOCK1_APV() at VOP_LOCK1_APV+0xd8</div><div><span class=3D"" style= =3D"white-space:pre"> </span> pc =3D 0xc0565e74 =C2=A0lr =3D 0xc0414b20 (_v= n_lock+0x44)</div><div><span class=3D"" style=3D"white-space:pre"> </span> = sp =3D 0xdd948638 =C2=A0fp =3D 0xdd948668</div> <div><span class=3D"" style=3D"white-space:pre"> </span> r4 =3D 0xc34e17e0 = =C2=A0r5 =3D 0x00000004</div><div><span class=3D"" style=3D"white-space:pre= "> </span> r6 =3D 0xc05ad9aa</div><div>_vn_lock() at _vn_lock+0x44</div><di= v><span class=3D"" style=3D"white-space:pre"> </span> pc =3D 0xc0414b20 =C2= =A0lr =3D 0xc04054d0 (vget+0x60)</div> <div><span class=3D"" style=3D"white-space:pre"> </span> sp =3D 0xdd948670 = =C2=A0fp =3D 0xdd948690</div><div><span class=3D"" style=3D"white-space:pre= "> </span> r4 =3D 0xc34e17e0 =C2=A0r5 =3D 0x00000004</div><div><span class= =3D"" style=3D"white-space:pre"> </span> r6 =3D 0x00080100 =C2=A0r7 =3D 0xc= 07dbdac</div> <div><span class=3D"" style=3D"white-space:pre"> </span> r8 =3D 0xc2c42c80 = =C2=A0r9 =3D 0xc05acbea</div><div><span class=3D"" style=3D"white-space:pre= "> </span>r10 =3D 0x00000000</div><div>vget() at vget+0x60</div><div><span = class=3D"" style=3D"white-space:pre"> </span> pc =3D 0xc04054d0 =C2=A0lr = =3D 0xc03f9b4c (vfs_hash_get+0xd8)</div> <div><span class=3D"" style=3D"white-space:pre"> </span> sp =3D 0xdd948698 = =C2=A0fp =3D 0xdd9486c8</div><div><span class=3D"" style=3D"white-space:pre= "> </span> r4 =3D 0xc07dbd90 =C2=A0r5 =3D 0x00000004</div><div><span class= =3D"" style=3D"white-space:pre"> </span> r6 =3D 0xc29e4ac0 =C2=A0r7 =3D 0xc= 07dbdac</div> <div><span class=3D"" style=3D"white-space:pre"> </span> r8 =3D 0xc34e17e0<= /div><div>vfs_hash_get() at vfs_hash_get+0xd8</div><div><span class=3D"" st= yle=3D"white-space:pre"> </span> pc =3D 0xc03f9b4c =C2=A0lr =3D 0xc04f1ea4 = (ffs_vgetf+0x3c)</div> <div><span class=3D"" style=3D"white-space:pre"> </span> sp =3D 0xdd9486d0 = =C2=A0fp =3D 0xdd948728</div><div><span class=3D"" style=3D"white-space:pre= "> </span> r4 =3D 0xc325b0c0 =C2=A0r5 =3D 0x00080000</div><div><span class= =3D"" style=3D"white-space:pre"> </span> r6 =3D 0xc29e4ac0 =C2=A0r7 =3D 0x0= 0000004</div> <div><span class=3D"" style=3D"white-space:pre"> </span> r8 =3D 0xc325b0c0 = =C2=A0r9 =3D 0x00000000</div><div><span class=3D"" style=3D"white-space:pre= "> </span>r10 =3D 0xdd948788</div><div>ffs_vgetf() at ffs_vgetf+0x3c</div><= div><span class=3D"" style=3D"white-space:pre"> </span> pc =3D 0xc04f1ea4 = =C2=A0lr =3D 0xc04e8d40 (softdep_sync_buf+0x9c8)</div> <div><span class=3D"" style=3D"white-space:pre"> </span> sp =3D 0xdd948730 = =C2=A0fp =3D 0xdd9487a8</div><div><span class=3D"" style=3D"white-space:pre= "> </span> r4 =3D 0xc325b0c0 =C2=A0r5 =3D 0xc05bcdd9</div><div><span class= =3D"" style=3D"white-space:pre"> </span> r6 =3D 0xc05bcdd9 =C2=A0r7 =3D 0xc= 29f1300</div> <div><span class=3D"" style=3D"white-space:pre"> </span> r8 =3D 0xc325b0c0 = =C2=A0r9 =3D 0x00000000</div><div><span class=3D"" style=3D"white-space:pre= "> </span>r10 =3D 0x00000004</div><div>softdep_sync_buf() at softdep_sync_b= uf+0x9c8</div><div> <span class=3D"" style=3D"white-space:pre"> </span> pc =3D 0xc04e8d40 =C2= =A0lr =3D 0xc04f7c6c (ffs_syncvnode+0x2ec)</div><div><span class=3D"" style= =3D"white-space:pre"> </span> sp =3D 0xdd9487b0 =C2=A0fp =3D 0xdd948800</di= v><div><span class=3D"" style=3D"white-space:pre"> </span> r4 =3D 0xc2ad77e= 0 =C2=A0r5 =3D 0x00000000</div> <div><span class=3D"" style=3D"white-space:pre"> </span> r6 =3D 0xc05c0abf = =C2=A0r7 =3D 0x00000001</div><div><span class=3D"" style=3D"white-space:pre= "> </span> r8 =3D 0xcd2533f0 =C2=A0r9 =3D 0x00000010</div><div><span class= =3D"" style=3D"white-space:pre"> </span>r10 =3D 0xcd253398</div> <div>ffs_syncvnode() at ffs_syncvnode+0x2ec</div><div><span class=3D"" styl= e=3D"white-space:pre"> </span> pc =3D 0xc04f7c6c =C2=A0lr =3D 0xc04cb414 (f= fs_truncate+0x6d8)</div><div><span class=3D"" style=3D"white-space:pre"> </= span> sp =3D 0xdd948808 =C2=A0fp =3D 0xdd9489b8</div> <div><span class=3D"" style=3D"white-space:pre"> </span> r4 =3D 0xc2ad77e0 = =C2=A0r5 =3D 0x00000000</div><div><span class=3D"" style=3D"white-space:pre= "> </span> r6 =3D 0x00000200 =C2=A0r7 =3D 0xc2a01c80</div><div><span class= =3D"" style=3D"white-space:pre"> </span> r8 =3D 0x00000880 =C2=A0r9 =3D 0x0= 0000000</div> <div><span class=3D"" style=3D"white-space:pre"> </span>r10 =3D 0x00000200<= /div><div>ffs_truncate() at ffs_truncate+0x6d8</div><div><span class=3D"" s= tyle=3D"white-space:pre"> </span> pc =3D 0xc04cb414 =C2=A0lr =3D 0xc04ff5bc= (ufs_direnter+0x8a8)</div> <div><span class=3D"" style=3D"white-space:pre"> </span> sp =3D 0xdd9489c0 = =C2=A0fp =3D 0xdd948a28</div><div><span class=3D"" style=3D"white-space:pre= "> </span> r4 =3D 0xc2ad77e0 =C2=A0r5 =3D 0xc2a01c80</div><div><span class= =3D"" style=3D"white-space:pre"> </span> r6 =3D 0x00000000 =C2=A0r7 =3D 0x0= 0000000</div> <div><span class=3D"" style=3D"white-space:pre"> </span> r8 =3D 0xc34e17e0 = =C2=A0r9 =3D 0xc2ad77e0</div><div><span class=3D"" style=3D"white-space:pre= "> </span>r10 =3D 0x00000000</div><div>ufs_direnter() at ufs_direnter+0x8a8= </div><div><span class=3D"" style=3D"white-space:pre"> </span> pc =3D 0xc04= ff5bc =C2=A0lr =3D 0xc05087f4 (ufs_makeinode+0x3ec)</div> <div><span class=3D"" style=3D"white-space:pre"> </span> sp =3D 0xdd948a30 = =C2=A0fp =3D 0xdd948b90</div><div><span class=3D"" style=3D"white-space:pre= "> </span> r4 =3D 0x00000000 =C2=A0r5 =3D 0xdd948d30</div><div><span class= =3D"" style=3D"white-space:pre"> </span> r6 =3D 0xdd948a50 =C2=A0r7 =3D 0x0= 0000000</div> <div><span class=3D"" style=3D"white-space:pre"> </span> r8 =3D 0xdd948d48 = =C2=A0r9 =3D 0xc2ad77e0</div><div><span class=3D"" style=3D"white-space:pre= "> </span>r10 =3D 0xc34df780</div><div>ufs_makeinode() at ufs_makeinode+0x3= ec</div><div><span class=3D"" style=3D"white-space:pre"> </span> pc =3D 0xc= 05087f4 =C2=A0lr =3D 0xc0504bdc (ufs_create+0x24)</div> <div><span class=3D"" style=3D"white-space:pre"> </span> sp =3D 0xdd948b98 = =C2=A0fp =3D 0xdd948b98</div><div><span class=3D"" style=3D"white-space:pre= "> </span> r4 =3D 0xdd948c68 =C2=A0r5 =3D 0xc06629d0</div><div><span class= =3D"" style=3D"white-space:pre"> </span> r6 =3D 0x00000000 =C2=A0r7 =3D 0x0= 0000a03</div> <div><span class=3D"" style=3D"white-space:pre"> </span> r8 =3D 0x00000000 = =C2=A0r9 =3D 0xdd948d50</div><div><span class=3D"" style=3D"white-space:pre= "> </span>r10 =3D 0xdd948d30</div><div>ufs_create() at ufs_create+0x24</div= ><div><span class=3D"" style=3D"white-space:pre"> </span> pc =3D 0xc0504bdc= =C2=A0lr =3D 0xc0563fc4 (VOP_CREATE_APV+0xd0)</div> <div><span class=3D"" style=3D"white-space:pre"> </span> sp =3D 0xdd948ba0 = =C2=A0fp =3D 0xdd948bb0</div><div>VOP_CREATE_APV() at VOP_CREATE_APV+0xd0</= div><div><span class=3D"" style=3D"white-space:pre"> </span> pc =3D 0xc0563= fc4 =C2=A0lr =3D 0xc04143ac (vn_open_cred+0x274)</div> <div><span class=3D"" style=3D"white-space:pre"> </span> sp =3D 0xdd948bb8 = =C2=A0fp =3D 0xdd948c98</div><div><span class=3D"" style=3D"white-space:pre= "> </span> r4 =3D 0xdd948ce0 =C2=A0r5 =3D 0xdd948d30</div><div><span class= =3D"" style=3D"white-space:pre"> </span> r6 =3D 0xc2ad77e0</div> <div>vn_open_cred() at vn_open_cred+0x274</div><div><span class=3D"" style= =3D"white-space:pre"> </span> pc =3D 0xc04143ac =C2=A0lr =3D 0xc0414130 (vn= _open+0x24)</div><div><span class=3D"" style=3D"white-space:pre"> </span> s= p =3D 0xdd948ca0 =C2=A0fp =3D 0xdd948ca8</div> <div><span class=3D"" style=3D"white-space:pre"> </span> r4 =3D 0xc2c42c80 = =C2=A0r5 =3D 0x000500cf</div><div><span class=3D"" style=3D"white-space:pre= "> </span> r6 =3D 0x00000012 =C2=A0r7 =3D 0xdd948ce0</div><div><span class= =3D"" style=3D"white-space:pre"> </span> r8 =3D 0x00000000 =C2=A0r9 =3D 0xb= fffe25c</div> <div><span class=3D"" style=3D"white-space:pre"> </span>r10 =3D 0xdd948cd0<= /div><div>vn_open() at vn_open+0x24</div><div><span class=3D"" style=3D"whi= te-space:pre"> </span> pc =3D 0xc0414130 =C2=A0lr =3D 0xc040d668 (kern_open= at+0x248)</div> <div><span class=3D"" style=3D"white-space:pre"> </span> sp =3D 0xdd948cb0 = =C2=A0fp =3D 0xdd948da8</div><div>kern_openat() at kern_openat+0x248</div><= div><span class=3D"" style=3D"white-space:pre"> </span> pc =3D 0xc040d668 = =C2=A0lr =3D 0xc040d3b0 (sys_open+0x28)</div> <div><span class=3D"" style=3D"white-space:pre"> </span> sp =3D 0xdd948db0 = =C2=A0fp =3D 0xdd948db8</div><div><span class=3D"" style=3D"white-space:pre= "> </span> r4 =3D 0xc2c42c80 =C2=A0r5 =3D 0xc2c2c640</div><div><span class= =3D"" style=3D"white-space:pre"> </span> r6 =3D 0x00000000 =C2=A0r7 =3D 0x0= 0000000</div> <div><span class=3D"" style=3D"white-space:pre"> </span> r8 =3D 0xffffffe4 = =C2=A0r9 =3D 0xdd948e10</div><div><span class=3D"" style=3D"white-space:pre= "> </span>r10 =3D 0x01650f48</div><div>sys_open() at sys_open+0x28</div><di= v><span class=3D"" style=3D"white-space:pre"> </span> pc =3D 0xc040d3b0 =C2= =A0lr =3D 0xc0552a7c (swi_handler+0x284)</div> <div><span class=3D"" style=3D"white-space:pre"> </span> sp =3D 0xdd948dc0 = =C2=A0fp =3D 0xdd948e58</div><div>swi_handler() at swi_handler+0x284</div><= div><span class=3D"" style=3D"white-space:pre"> </span> pc =3D 0xc0552a7c = =C2=A0lr =3D 0xc05421ac (swi_entry+0x2c)</div> <div><span class=3D"" style=3D"white-space:pre"> </span> sp =3D 0xdd948e60 = =C2=A0fp =3D 0xbfffe188</div><div><span class=3D"" style=3D"white-space:pre= "> </span> r4 =3D 0xbfffdfa8 =C2=A0r5 =3D 0xffffffe4</div><div><span class= =3D"" style=3D"white-space:pre"> </span> r6 =3D 0xbfffe250 =C2=A0r7 =3D 0x0= 0000005</div> <div><span class=3D"" style=3D"white-space:pre"> </span> r8 =3D 0xffffffe4 = =C2=A0r9 =3D 0x00000001</div><div>swi_entry() at swi_entry+0x2c</div><div><= span class=3D"" style=3D"white-space:pre"> </span> pc =3D 0xc05421ac =C2=A0= lr =3D 0xc05421ac (swi_entry+0x2c)</div> <div><span class=3D"" style=3D"white-space:pre"> </span> sp =3D 0xdd948e60 = =C2=A0fp =3D 0xbfffe188</div><div>Unable to unwind further</div><div><br></= div></div> --047d7b3a8214da983504f7bf51d6--
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