panic: solaris assert: rt->rt_space == 0 (0xe000 == 0x0), file: /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/range_tree.c, line: 153

[Fabian Keil]

Fabian Keil <freebsd-listen at fabiankeil.de> wrote:

> Using an 11.0-CURRENT based on r276255 I just got a panic
> after trying to export a certain ZFS pool:
> 
> (kgdb) where
> #0  doadump (textdump=0) at pcpu.h:219
> #1  0xffffffff80313e8e in db_dump (dummy=<value optimized out>, dummy2=0, dummy3=0, dummy4=0x0) at /usr/src/sys/ddb/db_command.c:533
> #2  0xffffffff8031396d in db_command (cmd_table=0x0) at /usr/src/sys/ddb/db_command.c:440
> #3  0xffffffff803136e4 in db_command_loop () at /usr/src/sys/ddb/db_command.c:493
> #4  0xffffffff803161f0 in db_trap (type=<value optimized out>, code=0) at /usr/src/sys/ddb/db_main.c:251
> #5  0xffffffff805f63c1 in kdb_trap (type=3, code=0, tf=<value optimized out>) at /usr/src/sys/kern/subr_kdb.c:654
> #6  0xffffffff80878717 in trap (frame=0xfffffe0094a62540) at /usr/src/sys/amd64/amd64/trap.c:542
> #7  0xffffffff8085c472 in calltrap () at /usr/src/sys/amd64/amd64/exception.S:235
> #8  0xffffffff805f5abe in kdb_enter (why=0xffffffff80995a6d "panic", msg=<value optimized out>) at cpufunc.h:63
> #9  0xffffffff805b3b81 in panic (fmt=<value optimized out>) at /usr/src/sys/kern/kern_shutdown.c:739
> #10 0xffffffff81bdd22f in assfail3 (a=<value optimized out>, lv=<value optimized out>, op=<value optimized out>, rv=<value optimized out>, f=<value optimized out>, l=<value optimized out>)
>     at /usr/src/sys/cddl/compat/opensolaris/kern/opensolaris_cmn_err.c:91
> #11 0xffffffff8194afc4 in range_tree_destroy (rt=0xfffff80011586000) at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/range_tree.c:153
> #12 0xffffffff819488bc in metaslab_fini (msp=0xfffff800611a9800) at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/metaslab.c:1398
> #13 0xffffffff81965841 in vdev_free (vd=0xfffff8000696d800) at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev.c:994
> #14 0xffffffff819657e1 in vdev_free (vd=0xfffff80040532000) at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev.c:683
> #15 0xffffffff81953948 in spa_unload (spa=0xfffff800106af000) at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/spa.c:1314
> #16 0xffffffff81957a58 in spa_export_common (pool=<value optimized out>, new_state=1, oldconfig=0x0, force=<value optimized out>, hardforce=0)
>     at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/spa.c:4540
> #17 0xffffffff81957b08 in spa_export (pool=0x0, oldconfig=0xfffffe0094a624f0, force=128, hardforce=50) at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/spa.c:4574
> #18 0xffffffff8199ed50 in zfs_ioc_pool_export (zc=0xfffffe0006fbf000) at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_ioctl.c:1618
> #19 0xffffffff8199c2aa in zfsdev_ioctl (dev=<value optimized out>, zcmd=<value optimized out>, arg=<value optimized out>, flag=<value optimized out>, td=<value optimized out>)
>     at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_ioctl.c:6198
> #20 0xffffffff8047d32b in devfs_ioctl_f (fp=0xfffff8002adcb280, com=3222821379, data=0xfffffe0094a62a20, cred=<value optimized out>, td=0xfffff80056f15000) at /usr/src/sys/fs/devfs/devfs_vnops.c:775

Just for the archives, the panic is fixed by:
https://www.illumos.org/issues/6292

Fabian
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