ZFS panic at boot when mounting root on r330386

[Andriy Gapon]

On 05/03/2018 02:59, Bryan Drewery wrote:
>> panic: solaris assert: refcount_count(&spa->spa_refcount) > spa->spa_minref || MUTEX_HELD(&spa_namespace_lock), file: /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/spa_misc.c, line: 952
>> cpuid = 10
>> time = 1520207367
>> KDB: stack backtrace:
>> db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame 0xfffffe23f57a2420
>> vpanic() at vpanic+0x18d/frame 0xfffffe23f57a2480
>> panic() at panic+0x43/frame 0xfffffe23f57a24e0
>> assfail() at assfail+0x1a/frame 0xfffffe23f57a24f0
>> spa_close() at spa_close+0x5d/frame 0xfffffe23f57a2520
>> spa_get_stats() at spa_get_stats+0x481/frame 0xfffffe23f57a2700
>> zfs_ioc_pool_stats() at zfs_ioc_pool_stats+0x25/frame 0xfffffe23f57a2740
>> zfsdev_ioctl() at zfsdev_ioctl+0x76b/frame 0xfffffe23f57a27e0
>> devfs_ioctl() at devfs_ioctl+0xcb/frame 0xfffffe23f57a2830
>> VOP_IOCTL_APV() at VOP_IOCTL_APV+0x102/frame 0xfffffe23f57a2860
>> vn_ioctl() at vn_ioctl+0x124/frame 0xfffffe23f57a2970
>> devfs_ioctl_f() at devfs_ioctl_f+0x1f/frame 0xfffffe23f57a2990
>> kern_ioctl() at kern_ioctl+0x2c2/frame 0xfffffe23f57a29f0
>> sys_ioctl() at sys_ioctl+0x15c/frame 0xfffffe23f57a2ac0
>> amd64_syscall() at amd64_syscall+0x786/frame 0xfffffe23f57a2bf0
>> fast_syscall_common() at fast_syscall_common+0x101/frame 0xfffffe23f57a2bf0
>> --- syscall (54, FreeBSD ELF64, sys_ioctl), rip = 0x80049afda, rsp = 0x7fffffffbd18, rbp = 0x7fffffffbd90 ---
>> KDB: enter: panic
>> [ thread pid 56 tid 100606 ]
>> Stopped at      kdb_enter+0x3b: movq    $0,kdb_why
>> db>
> 
> It seems like a race as I can get it to boot sometimes.

Yes, it does.  https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=210409

-- 
Andriy Gapon