FreeBSD 10.4 kernel breaks on i7-7700 / PRIME H270M-PLUS

[Mark Knight]

On 02/04/2018 14:44, Eugene Grosbein wrote:
> 3. Boot new kernel using nextboot(8) and see if it will crash instead of deadlock
> and if so, fill the PR to Bugzilla.

Thanks again. Drat, no crash. The only difference was a few new errors 
during the boot - which I'm assuming are unrelated.

> Apr  2 17:27:58 shrewd kernel: [16] lock order reversal:
> Apr  2 17:27:58 shrewd kernel: [16]  1st 0xfffff80077653418 ufs (ufs) @ /usr/src/sys/kern/vfs_subr.c:2253
> Apr  2 17:27:58 shrewd kernel: [16]  2nd 0xfffffe03dbe7d218 bufwait (bufwait) @ /usr/src/sys/ufs/ffs/ffs_vnops.c:262
> Apr  2 17:27:58 shrewd kernel: [16]  3rd 0xfffff80077c089a0 ufs (ufs) @ /usr/src/sys/kern/vfs_subr.c:2253
> Apr  2 17:27:58 shrewd kernel: [16] KDB: stack backtrace:
> Apr  2 17:27:58 shrewd kernel: [16] db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame 0xfffffe0462049b30
> Apr  2 17:27:58 shrewd kernel: [16] kdb_backtrace() at kdb_backtrace+0x39/frame 0xfffffe0462049be0
> Apr  2 17:27:58 shrewd kernel: [16] witness_checkorder() at witness_checkorder+0xe2b/frame 0xfffffe0462049c70
> Apr  2 17:27:58 shrewd kernel: [16] __lockmgr_args() at __lockmgr_args+0x988/frame 0xfffffe0462049d90
> Apr  2 17:27:58 shrewd kernel: [16] ffs_lock() at ffs_lock+0x84/frame 0xfffffe0462049de0
> Apr  2 17:27:58 shrewd kernel: [16] VOP_LOCK1_APV() at VOP_LOCK1_APV+0xfc/frame 0xfffffe0462
> Apr  2 17:27:58 shrewd kernel: 049e10
> Apr  2 17:27:59 shrewd kernel: [16] _vn_lock() at _vn_lock+0xaa/frame 0xfffffe0462049e80
> Apr  2 17:27:59 shrewd kernel: [16] vget() at vget+0x67/frame 0xfffffe0462049ec0
> Apr  2 17:27:59 shrewd kernel: [16] vfs_hash_get() at vfs_hash_get+0xe1/frame 0xfffffe0462049f10
> Apr  2 17:27:59 shrewd kernel: [16] ffs_vgetf() at ffs_vgetf+0x40/frame 0xfffffe0462049fa0
> Apr  2 17:27:59 shrewd kernel: [16] softdep_sync_buf() at softdep_sync_buf+0xa25/frame 0xfffffe046204a090
> Apr  2 17:27:59 shrewd kernel: [16] ffs_syncvnode() at ffs_syncvnode+0x286/frame 0xfffffe046204a110
> Apr  2 17:27:59 shrewd kernel: [16] ffs_truncate() at ffs_truncate+0x6a9/frame 0xfffffe046204a2f0
> Apr  2 17:27:59 shrewd kernel: [16] ufs_direnter() at ufs_direnter+0x7c8/frame 0xfffffe046204a3b0
> Apr  2 17:27:59 shrewd kernel: [16] ufs_makeinode() at ufs_makeinode+0x5d9/frame 0xfffffe046204a570
> Apr  2 17:27:59 shrewd kernel: [16] ufs_create() at ufs_create+0x34/frame 0xfffffe046204a590
> Apr  2 17:27:59 shrewd kernel: [16] VOP_CREATE_APV() at VOP_CREATE_APV+0xf1/frame 0xfffffe046204a5c0
> Apr  2 17:27:59 shrewd kernel: [16] vn_open_cred() at vn_open_cred+0x2c3/frame 0xfffffe046204a720
> Apr  2 17:27:59 shrewd kernel: [16] kern_openat() at kern_openat+0x26f/frame 0xfffffe046204a8a0
> Apr  2 17:27:59 shrewd kernel: [16] amd64_syscall() at amd64_syscall+0x2c6/frame 0xfffffe046204a9b0
> Apr  2 17:27:59 shrewd kernel: [16] Xfast_syscall() at Xfast_syscall+0xfb/frame 0xfffffe046204a9b0
> Apr  2 17:27:59 shrewd kernel: [16] --- syscall (5, FreeBSD ELF64, sys_open), rip = 0x801fcc9aa, rsp = 0x7fffdfdf9c38, rbp = 0x7fffdfdf9c60 ---
> Apr  2 17:28:48 shrewd kernel: [66] lock order reversal:
> Apr  2 17:28:48 shrewd kernel: [66]  1st 0xfffffe03dbf949f8 bufwait (bufwait) @ /usr/src/sys/kern/vfs_bio.c:3130
> Apr  2 17:28:48 shrewd kernel: [66]  2nd 0xfffff8000b741000 dirhash (dirhash) @ /usr/src/sys/ufs/ufs/ufs_dirhash.c:280
> Apr  2 17:28:48 shrewd kernel: [66] KDB: stack backtrace:
> Apr  2 17:28:48 shrewd kernel: [66] db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame 0xfffffe0462185130
> Apr  2 17:28:48 shrewd kernel: [66] kdb_backtrace() at kdb_backtrace+0x39/frame 0xfffffe04621851e0
> Apr  2 17:28:48 shrewd kernel: [66] witness_checkorder() at witness_checkorder+0xe2b/frame 0xfffffe0462185270
> Apr  2 17:28:48 shrewd kernel: [66] _sx_xlock() at _sx_xlock+0x75/frame 0xfffffe04621852b0
> Apr  2 17:28:48 shrewd kernel: [66] ufsdirhash_add() at ufsdirhash_add+0x3a/frame 0xfffffe04621852f0
> Apr  2 17:28:48 shrewd kernel: [66] ufs_direnter() at ufs_direnter+0x622/frame 0xfffffe04621853b0
> Apr  2 17:28:48 shrewd kernel: [66] ufs_makeinode() at ufs_makeinode+0x5d9/frame 0xfffffe0462185570
> Apr  2 17:28:48 shrewd kernel: [66] ufs_create() at ufs_create+0x34/frame 0xfffffe0462185590
> Apr  2 17:28:48 shrewd kernel: [66] VOP_CREATE_APV() at VOP_CREATE_APV+0xf1/frame 0xfffffe04621855c0
> Apr  2 17:28:48 shrewd kernel: [66] vn_open_cred() at vn_open_cred+0x2c3/frame 0xfffffe0462185720
> Apr  2 17:28:48 shrewd kernel: [66] kern_openat() at kern_openat+0x26f/frame 0xfffffe04621858a0
> Apr  2 17:28:48 shrewd kernel: [66] amd64_syscall() at amd64_syscall+0x2c6/frame 0xfffffe04621859b0
> Apr  2 17:28:48 shrewd kernel: [66] Xfast_syscall() at Xfast_syscall+0xfb/frame 0xfffffe04621859b0
> Apr  2 17:28:48 shrewd kernel: [66] --- syscall (499, FreeBSD ELF64, sys_openat), rip = 0x80174cb7a, rsp = 0x7fffffff7f58, rbp = 0x7fffffff7fd0 ---

-- 
Mark Knight