Date: Tue, 28 Apr 2015 16:38:21 +0930 From: "O'Connor, Daniel" <darius@dons.net.au> To: freebsd-arm <freebsd-arm@freebsd.org> Subject: pps_ioctl panic Message-ID: <6CC431C0-2E54-4B49-94D0-D6B7A5919CD3@dons.net.au>
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Hi all, I'm trying to get gpsd + PPS working on a Beaglebone Black but when I = start gpsd I get the panic at the bottom of the email. I've run ntpd to the same device with PPS without problems. I haven't had a more detailed look yet though. root@beaglebone:~ # gpsd -n /dev/cuau1 root@beaglebone:~ # gpSleeping on "ppsfch" with the following = non-sleepable locks held: exclusive sleep mutex ttymtx (ttymtx) r =3D 0 (0xc2ae9e04) locked @ = /src/FreeBSD-HEAD/sys/kern/tty.c:178 KDB: stack backtrace: lock order reversal: (sleepable after non-sleepable) 1st 0xc2ae9e04 ttymtx (ttymtx) @ /src/FreeBSD-HEAD/sys/kern/tty.c:178 2nd 0xc0746da0 kernel linker (kernel linker) @ = /src/FreeBSD-HEAD/sys/kern/kern_linker.c:552 KDB: stack backtrace: db_trace_self() at db_trace_self pc =3D 0xc05dcffc lr =3D 0xc0233f00 = (db_trace_self_wrapper+0x30) sp =3D 0xde6ec7a8 fp =3D 0xde6ec8c0 r10 =3D 0xc0634d9e db_trace_self_wrapper() at db_trace_self_wrapper+0x30 pc =3D 0xc0233f00 lr =3D 0xc03d351c (witness_checkorder+0xf0c) sp =3D 0xde6ec8c8 fp =3D 0xde6ec910 r4 =3D 0xc064194a r5 =3D 0xc0746da0 r6 =3D 0xc064154d r7 =3D 0xc0634d9e witness_checkorder() at witness_checkorder+0xf0c pc =3D 0xc03d351c lr =3D 0xc037dacc (_sx_xlock+0x80) sp =3D 0xde6ec918 fp =3D 0xde6ec948 r4 =3D 0x00000228 r5 =3D 0xc064154d r6 =3D 0xc0746db0 r7 =3D 0xc0746da0 r8 =3D 0x00000000 r9 =3D 0xc0673e43 r10 =3D 0xc0787af4 _sx_xlock() at _sx_xlock+0x80 pc =3D 0xc037dacc lr =3D 0xc0353574 (linker_file_foreach+0x34) sp =3D 0xde6ec950 fp =3D 0xde6ec968 r4 =3D 0xc0746d80 r5 =3D 0xde6ec970 r6 =3D 0xc05f2644 r7 =3D 0xc05dcffc r8 =3D 0xc0746da0 r10 =3D 0xc0787af4 linker_file_foreach() at linker_file_foreach+0x34 pc =3D 0xc0353574 lr =3D 0xc05f2260 (unwind_stack_one+0x5c) sp =3D 0xde6ec970 fp =3D 0xde6ec998 r4 =3D 0xde6ec9d8 r5 =3D 0xde6ec970 r6 =3D 0x00000000 r7 =3D 0xc05dcffc r8 =3D 0xc06f53a8 r10 =3D 0xc0787af4 unwind_stack_one() at unwind_stack_one+0x5c pc =3D 0xc05f2260 lr =3D 0xc05dce94 (db_stack_trace_cmd+0x38) sp =3D 0xde6ec9a0 fp =3D 0xde6ec9d0 r4 =3D 0xde6ec9d8 r5 =3D 0xc0656339 r6 =3D 0x00000000 r7 =3D 0xc0645e89 r8 =3D 0x00000000 r9 =3D 0xc0673e43 r10 =3D 0xc0787af4 db_stack_trace_cmd() at db_stack_trace_cmd+0x38 pc =3D 0xc05dce94 lr =3D 0xc05dd02c (db_trace_self+0x30) sp =3D 0xde6ec9d8 fp =3D 0xde6eca30 r4 =3D 0x00000000 r5 =3D 0xde6eca3c r6 =3D 0x00000000 r7 =3D 0x00000001 r8 =3D 0x00000000 r9 =3D 0xffffffff r10 =3D 0xc0787af4 db_trace_self() at db_trace_self+0x30 pc =3D 0xc05dd02c lr =3D 0xc0233f00 = (db_trace_self_wrapper+0x30) sp =3D 0xde6eca38 fp =3D 0xde6ecb50 r10 =3D 0xc0787af4 db_trace_self_wrapper() at db_trace_self_wrapper+0x30 pc =3D 0xc0233f00 lr =3D 0xc03d4930 (witness_warn+0x49c) sp =3D 0xde6ecb58 fp =3D 0xde6ecba0 r4 =3D 0x00000001 r5 =3D 0xc06504a4 r6 =3D 0x00000000 r7 =3D 0x00000001 witness_warn() at witness_warn+0x49c pc =3D 0xc03d4930 lr =3D 0xc037f148 (_sleep+0x68) sp =3D 0xde6ecbb0 fp =3D 0xde6ecc08 r4 =3D 0x00000000 r5 =3D 0xc2fc56f0 r6 =3D 0x00000001 r7 =3D 0xc06472ac r8 =3D 0xc2ae9cb0 r9 =3D 0x00000100 r10 =3D 0xc2fef660 _sleep() at _sleep+0x68 pc =3D 0xc037f148 lr =3D 0xc0386e88 (pps_ioctl+0x380) sp =3D 0xde6ecc10 fp =3D 0xde6ecc58 r4 =3D 0xde6ecd28 r5 =3D 0xc2ae9cb0 r6 =3D 0x00000065 r7 =3D 0xc0483106 r8 =3D 0x00000000 r9 =3D 0x00000000 r10 =3D 0x00000000 pps_ioctl() at pps_ioctl+0x380 pc =3D 0xc0386e88 lr =3D 0xc03e5738 (tty_ioctl+0x8c) sp =3D 0xde6ecc60 fp =3D 0xde6ecc78 r4 =3D 0xc2ae9e00 r5 =3D 0x00000007 r6 =3D 0xc026c630 r7 =3D 0xc0483106 r8 =3D 0xc2fef660 r9 =3D 0xde6ecd28 r10 =3D 0x00000000 tty_ioctl() at tty_ioctl+0x8c pc =3D 0xc03e5738 lr =3D 0xc03e7ab0 (ttydev_ioctl+0x298) sp =3D 0xde6ecc80 fp =3D 0xde6ecca0 r4 =3D 0xc2ae9e00 r5 =3D 0xc2ae9400 r6 =3D 0xc2d9be40 r7 =3D 0xc0483106 r8 =3D 0x00000007 r9 =3D 0xde6ecd28 ttydev_ioctl() at ttydev_ioctl+0x298 pc =3D 0xc03e7ab0 lr =3D 0xc02a65bc (devfs_ioctl_f+0x150) sp =3D 0xde6ecca8 fp =3D 0xde6eccd0 r4 =3D 0xc30c1300 r5 =3D 0xc03e7818 r6 =3D 0xc2d9be40 r7 =3D 0xc0483106 r8 =3D 0xde6ecd28 r9 =3D 0xc2fef660 devfs_ioctl_f() at devfs_ioctl_f+0x150 pc =3D 0xc02a65bc lr =3D 0xc03d7c78 (kern_ioctl+0x210) sp =3D 0xde6eccd8 fp =3D 0xde6ecd18 r4 =3D 0xc2fef660 r5 =3D 0xc0483106 r6 =3D 0x00000005 r7 =3D 0xc02a646c r8 =3D 0xde6ecd28 r9 =3D 0xc30ef000 r10 =3D 0x00000000 kern_ioctl() at kern_ioctl+0x210 pc =3D 0xc03d7c78 lr =3D 0xc03d79e0 (sys_ioctl+0xd0) sp =3D 0xde6ecd20 fp =3D 0xde6ecdc8 r4 =3D 0x00000048 r5 =3D 0xde6ecde4 r6 =3D 0xc0483106 r7 =3D 0x00000000 r8 =3D 0xde6ecd28 r9 =3D 0xc2fef660 r10 =3D 0x40000000 sys_ioctl() at sys_ioctl+0xd0 pc =3D 0xc03d79e0 lr =3D 0xc05f0dd4 (swi_handler+0x2e4) sp =3D 0xde6ecdd0 fp =3D 0xde6ece48 r4 =3D 0xc2fef660 r5 =3D 0x00000000 r6 =3D 0xc07be110 r7 =3D 0x00000000 r8 =3D 0xde6ecddc r9 =3D 0xc2fc56f0 r10 =3D 0x0001dc68 swi_handler() at swi_handler+0x2e4 pc =3D 0xc05f0dd4 lr =3D 0xc05de618 (swi_exit) sp =3D 0xde6ece50 fp =3D 0xbf3fefc0 r4 =3D 0x20803600 r5 =3D 0x00000001 r6 =3D 0x200a5ab8 r7 =3D 0x00000036 r8 =3D 0x00000000 r9 =3D 0x00000023 r10 =3D 0x0001dc68 swi_exit() at swi_exit pc =3D 0xc05de618 lr =3D 0xc05de618 (swi_exit) sp =3D 0xde6ece50 fp =3D 0xbf3fefc0 db_trace_self() at db_trace_self pc =3D 0xc05dcffc lr =3D 0xc0233f00 = (db_trace_self_wrapper+0x30) sp =3D 0xde6eca38 fp =3D 0xde6ecb50 r10 =3D 0xc0787af4 db_trace_self_wrapper() at db_trace_self_wrapper+0x30 pc =3D 0xc0233f00 lr =3D 0xc03d4930 (witness_warn+0x49c) sp =3D 0xde6ecb58 fp =3D 0xde6ecba0 r4 =3D 0x00000001 r5 =3D 0xc06504a4 r6 =3D 0x00000000 r7 =3D 0x00000001 witness_warn() at witness_warn+0x49c pc =3D 0xc03d4930 lr =3D 0xc037f148 (_sleep+0x68) sp =3D 0xde6ecbb0 fp =3D 0xde6ecc08 r4 =3D 0x00000000 r5 =3D 0xc2fc56f0 r6 =3D 0x00000001 r7 =3D 0xc06472ac r8 =3D 0xc2ae9cb0 r9 =3D 0x00000100 r10 =3D 0xc2fef660 _sleep() at _sleep+0x68 pc =3D 0xc037f148 lr =3D 0xc0386e88 (pps_ioctl+0x380) sp =3D 0xde6ecc10 fp =3D 0xde6ecc58 r4 =3D 0xde6ecd28 r5 =3D 0xc2ae9cb0 r6 =3D 0x00000065 r7 =3D 0xc0483106 r8 =3D 0x00000000 r9 =3D 0x00000000 r10 =3D 0x00000000 pps_ioctl() at pps_ioctl+0x380 pc =3D 0xc0386e88 lr =3D 0xc03e5738 (tty_ioctl+0x8c) sp =3D 0xde6ecc60 fp =3D 0xde6ecc78 r4 =3D 0xc2ae9e00 r5 =3D 0x00000007 r6 =3D 0xc026c630 r7 =3D 0xc0483106 r8 =3D 0xc2fef660 r9 =3D 0xde6ecd28 r10 =3D 0x00000000 tty_ioctl() at tty_ioctl+0x8c pc =3D 0xc03e5738 lr =3D 0xc03e7ab0 (ttydev_ioctl+0x298) sp =3D 0xde6ecc80 fp =3D 0xde6ecca0 r4 =3D 0xc2ae9e00 r5 =3D 0xc2ae9400 r6 =3D 0xc2d9be40 r7 =3D 0xc0483106 r8 =3D 0x00000007 r9 =3D 0xde6ecd28 ttydev_ioctl() at ttydev_ioctl+0x298 pc =3D 0xc03e7ab0 lr =3D 0xc02a65bc (devfs_ioctl_f+0x150) sp =3D 0xde6ecca8 fp =3D 0xde6eccd0 r4 =3D 0xc30c1300 r5 =3D 0xc03e7818 r6 =3D 0xc2d9be40 r7 =3D 0xc0483106 r8 =3D 0xde6ecd28 r9 =3D 0xc2fef660 devfs_ioctl_f() at devfs_ioctl_f+0x150 pc =3D 0xc02a65bc lr =3D 0xc03d7c78 (kern_ioctl+0x210) sp =3D 0xde6eccd8 fp =3D 0xde6ecd18 r4 =3D 0xc2fef660 r5 =3D 0xc0483106 r6 =3D 0x00000005 r7 =3D 0xc02a646c r8 =3D 0xde6ecd28 r9 =3D 0xc30ef000 r10 =3D 0x00000000 kern_ioctl() at kern_ioctl+0x210 pc =3D 0xc03d7c78 lr =3D 0xc03d79e0 (sys_ioctl+0xd0) sp =3D 0xde6ecd20 fp =3D 0xde6ecdc8 r4 =3D 0x00000048 r5 =3D 0xde6ecde4 r6 =3D 0xc0483106 r7 =3D 0x00000000 r8 =3D 0xde6ecd28 r9 =3D 0xc2fef660 r10 =3D 0x40000000 sys_ioctl() at sys_ioctl+0xd0 pc =3D 0xc03d79e0 lr =3D 0xc05f0dd4 (swi_handler+0x2e4) sp =3D 0xde6ecdd0 fp =3D 0xde6ece48 r4 =3D 0xc2fef660 r5 =3D 0x00000000 r6 =3D 0xc07be110 r7 =3D 0x00000000 r8 =3D 0xde6ecddc r9 =3D 0xc2fc56f0 r10 =3D 0x0001dc68 swi_handler() at swi_handler+0x2e4 pc =3D 0xc05f0dd4 lr =3D 0xc05de618 (swi_exit) sp =3D 0xde6ece50 fp =3D 0xbf3fefc0 r4 =3D 0x20803600 r5 =3D 0x00000001 r6 =3D 0x200a5ab8 r7 =3D 0x00000036 r8 =3D 0x00000000 r9 =3D 0x00000023 r10 =3D 0x0001dc68 swi_exit() at swi_exit pc =3D 0xc05de618 lr =3D 0xc05de618 (swi_exit) sp =3D 0xde6ece50 fp =3D 0xbf3fefc0 s caSleeping on "ppsfch" with the following non-sleepable locks held: exclusive sleep mutex ttymtx (ttymtx) r =3D 0 (0xc2ae9e04) locked @ = /src/FreeBSD-HEAD/sys/kern/tty.c:178 KDB: stack backtrace: db_trace_self() at db_trace_self pc =3D 0xc05dcffc lr =3D 0xc0233f00 = (db_trace_self_wrapper+0x30) sp =3D 0xde6eca38 fp =3D 0xde6ecb50 r10 =3D 0xc0787af4 db_trace_self_wrapper() at db_trace_self_wrapper+0x30 pc =3D 0xc0233f00 lr =3D 0xc03d4930 (witness_warn+0x49c) sp =3D 0xde6ecb58 fp =3D 0xde6ecba0 r4 =3D 0x00000001 r5 =3D 0xc06504a4 r6 =3D 0x00000000 r7 =3D 0x00000001 witness_warn() at witness_warn+0x49c pc =3D 0xc03d4930 lr =3D 0xc037f148 (_sleep+0x68) sp =3D 0xde6ecbb0 fp =3D 0xde6ecc08 r4 =3D 0x00000000 r5 =3D 0xc2fc56f0 r6 =3D 0x00000001 r7 =3D 0xc06472ac r8 =3D 0xc2ae9cb0 r9 =3D 0x00000100 r10 =3D 0xc2fef660 _sleep() at _sleep+0x68 pc =3D 0xc037f148 lr =3D 0xc0386e88 (pps_ioctl+0x380) sp =3D 0xde6ecc10 fp =3D 0xde6ecc58 r4 =3D 0xde6ecd28 r5 =3D 0xc2ae9cb0 r6 =3D 0x00000065 r7 =3D 0xc0483106 r8 =3D 0x00000000 r9 =3D 0x00000000 r10 =3D 0x00000000 pps_ioctl() at pps_ioctl+0x380 pc =3D 0xc0386e88 lr =3D 0xc03e5738 (tty_ioctl+0x8c) sp =3D 0xde6ecc60 fp =3D 0xde6ecc78 r4 =3D 0xc2ae9e00 r5 =3D 0x00000007 r6 =3D 0xc026c630 r7 =3D 0xc0483106 r8 =3D 0xc2fef660 r9 =3D 0xde6ecd28 r10 =3D 0x00000000 tty_ioctl() at tty_ioctl+0x8c pc =3D 0xc03e5738 lr =3D 0xc03e7ab0 (ttydev_ioctl+0x298) sp =3D 0xde6ecc80 fp =3D 0xde6ecca0 r4 =3D 0xc2ae9e00 r5 =3D 0xc2ae9400 r6 =3D 0xc2d9be40 r7 =3D 0xc0483106 r8 =3D 0x00000007 r9 =3D 0xde6ecd28 ttydev_ioctl() at ttydev_ioctl+0x298 pc =3D 0xc03e7ab0 lr =3D 0xc02a65bc (devfs_ioctl_f+0x150) sp =3D 0xde6ecca8 fp =3D 0xde6eccd0 r4 =3D 0xc30c1300 r5 =3D 0xc03e7818 r6 =3D 0xc2d9be40 r7 =3D 0xc0483106 r8 =3D 0xde6ecd28 r9 =3D 0xc2fef660 devfs_ioctl_f() at devfs_ioctl_f+0x150 pc =3D 0xc02a65bc lr =3D 0xc03d7c78 (kern_ioctl+0x210) sp =3D 0xde6eccd8 fp =3D 0xde6ecd18 r4 =3D 0xc2fef660 r5 =3D 0xc0483106 r6 =3D 0x00000005 r7 =3D 0xc02a646c r8 =3D 0xde6ecd28 r9 =3D 0xc30ef000 r10 =3D 0x00000000 kern_ioctl() at kern_ioctl+0x210 pc =3D 0xc03d7c78 lr =3D 0xc03d79e0 (sys_ioctl+0xd0) sp =3D 0xde6ecd20 fp =3D 0xde6ecdc8 r4 =3D 0x00000048 r5 =3D 0xde6ecde4 r6 =3D 0xc0483106 r7 =3D 0x00000000 r8 =3D 0xde6ecd28 r9 =3D 0xc2fef660 r10 =3D 0x40000000 sys_ioctl() at sys_ioctl+0xd0 pc =3D 0xc03d79e0 lr =3D 0xc05f0dd4 (swi_handler+0x2e4) sp =3D 0xde6ecdd0 fp =3D 0xde6ece48 r4 =3D 0xc2fef660 r5 =3D 0x00000000 r6 =3D 0xc07be110 r7 =3D 0x00000000 r8 =3D 0xde6ecddc r9 =3D 0xc2fc56f0 r10 =3D 0x0001dc68 swi_handler() at swi_handler+0x2e4 pc =3D 0xc05f0dd4 lr =3D 0xc05de618 (swi_exit) sp =3D 0xde6ece50 fp =3D 0xbf3fefc0 r4 =3D 0x00000000 r5 =3D 0x00000000 r6 =3D 0x200a5ab8 r7 =3D 0x00000036 r8 =3D 0x00000000 r9 =3D 0x00000000 r10 =3D 0x0001dc68 swi_exit() at swi_exit pc =3D 0xc05de618 lr =3D 0xc05de618 (swi_exit) sp =3D 0xde6ece50 fp =3D 0xbf3fefc0 Sleeping on "ppsfch" with the following non-sleepable locks held: exclusive sleep mutex ttymtx (ttymtx) r =3D 0 (0xc2ae9e04) locked @ = /src/FreeBSD-HEAD/sys/kern/tty.c:178 KDB: stack backtrace: db_trace_self() at db_trace_self pc =3D 0xc05dcffc lr =3D 0xc0233f00 = (db_trace_self_wrapper+0x30) sp =3D 0xde6eca38 fp =3D 0xde6ecb50 r10 =3D 0xc0787af4 db_trace_self_wrapper() at db_trace_self_wrapper+0x30 pc =3D 0xc0233f00 lr =3D 0xc03d4930 (witness_warn+0x49c) sp =3D 0xde6ecb58 fp =3D 0xde6ecba0 r4 =3D 0x00000001 r5 =3D 0xc06504a4 r6 =3D 0x00000000 r7 =3D 0x00000001 witness_warn() at witness_warn+0x49c pc =3D 0xc03d4930 lr =3D 0xc037f148 (_sleep+0x68) sp =3D 0xde6ecbb0 fp =3D 0xde6ecc08 r4 =3D 0x00000000 r5 =3D 0xc2fc56f0 r6 =3D 0x00000001 r7 =3D 0xc06472ac r8 =3D 0xc2ae9cb0 r9 =3D 0x00000100 r10 =3D 0xc2fef660 _sleep() at _sleep+0x68 pc =3D 0xc037f148 lr =3D 0xc0386e88 (pps_ioctl+0x380) sp =3D 0xde6ecc10 fp =3D 0xde6ecc58 r4 =3D 0xde6ecd28 r5 =3D 0xc2ae9cb0 r6 =3D 0x00000065 r7 =3D 0xc0483106 r8 =3D 0x00000000 r9 =3D 0x00000000 r10 =3D 0x00000000 pps_ioctl() at pps_ioctl+0x380 pc =3D 0xc0386e88 lr =3D 0xc03e5738 (tty_ioctl+0x8c) sp =3D 0xde6ecc60 fp =3D 0xde6ecc78 r4 =3D 0xc2ae9e00 r5 =3D 0x00000007 r6 =3D 0xc026c630 r7 =3D 0xc0483106 r8 =3D 0xc2fef660 r9 =3D 0xde6ecd28 r10 =3D 0x00000000 tty_ioctl() at tty_ioctl+0x8c pc =3D 0xc03e5738 lr =3D 0xc03e7ab0 (ttydev_ioctl+0x298) sp =3D 0xde6ecc80 fp =3D 0xde6ecca0 r4 =3D 0xc2ae9e00 r5 =3D 0xc2ae9400 r6 =3D 0xc2d9be40 r7 =3D 0xc0483106 r8 =3D 0x00000007 r9 =3D 0xde6ecd28 ttydev_ioctl() at ttydev_ioctl+0x298 pc =3D 0xc03e7ab0 lr =3D 0xc02a65bc (devfs_ioctl_f+0x150) sp =3D 0xde6ecca8 fp =3D 0xde6eccd0 r4 =3D 0xc30c1300 r5 =3D 0xc03e7818 r6 =3D 0xc2d9be40 r7 =3D 0xc0483106 r8 =3D 0xde6ecd28 r9 =3D 0xc2fef660 devfs_ioctl_f() at devfs_ioctl_f+0x150 pc =3D 0xc02a65bc lr =3D 0xc03d7c78 (kern_ioctl+0x210) sp =3D 0xde6eccd8 fp =3D 0xde6ecd18 r4 =3D 0xc2fef660 r5 =3D 0xc0483106 r6 =3D 0x00000005 r7 =3D 0xc02a646c r8 =3D 0xde6ecd28 r9 =3D 0xc30ef000 r10 =3D 0x00000000 kern_ioctl() at kern_ioctl+0x210 pc =3D 0xc03d7c78 lr =3D 0xc03d79e0 (sys_ioctl+0xd0) sp =3D 0xde6ecd20 fp =3D 0xde6ecdc8 r4 =3D 0x00000048 r5 =3D 0xde6ecde4 r6 =3D 0xc0483106 r7 =3D 0x00000000 r8 =3D 0xde6ecd28 r9 =3D 0xc2fef660 r10 =3D 0x40000000 sys_ioctl() at sys_ioctl+0xd0 pc =3D 0xc03d79e0 lr =3D 0xc05f0dd4 (swi_handler+0x2e4) sp =3D 0xde6ecdd0 fp =3D 0xde6ece48 r4 =3D 0xc2fef660 r5 =3D 0x00000000 r6 =3D 0xc07be110 r7 =3D 0x00000000 r8 =3D 0xde6ecddc r9 =3D 0xc2fc56f0 r10 =3D 0x0001dc68 swi_handler() at swi_handler+0x2e4 pc =3D 0xc05f0dd4 lr =3D 0xc05de618 (swi_exit) sp =3D 0xde6ece50 fp =3D 0xbf3fefc0 r4 =3D 0x00000000 r5 =3D 0x00000000 r6 =3D 0x200a5ab8 r7 =3D 0x00000036 r8 =3D 0x00000000 r9 =3D 0x00000000 r10 =3D 0x0001dc68 swi_exit() at swi_exit pc =3D 0xc05de618 lr =3D 0xc05de618 (swi_exit) sp =3D 0xde6ece50 fp =3D 0xbf3fefc0 Sleeping thread (tid 100089, pid 688) owns a non-sleepable lock KDB: stack backtrace of thread 100089: panic: acquiring blockable sleep lock with spinlock or critical section = held (sx) kernel linker @ /src/FreeBSD-HEAD/sys/kern/kern_linker.c:552 KDB: enter: panic [ thread pid 11 tid 100019 ] Stopped at $d.7: ldrb r15, [r15, r15, ror r15]! -- Daniel O'Connor "The nice thing about standards is that there are so many of them to choose from." -- Andrew Tanenbaum GPG Fingerprint - 5596 B766 97C0 0E94 4347 295E E593 DC20 7B3F CE8C
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