Re: zfs solaris assert panic in 11.0-ALPHA5 r302256

From: Don Lewis <truckman_at_FreeBSD.org>
Date: Fri, 8 Jul 2016 11:28:15 -0700 (PDT)
On  7 Jul, To: freebsd-current_at_FreeBSD.org wrote:
> My package buiding machine just crashed with this panic during a
> poudriere run:
> 
> panic: solaris assert: (dn->dn_phys->dn_nlevels == 0 && db->db_level == 0) || dn->dn_phys->dn_nlevels > db->db_level || dn->dn_next_nlevels[txgoff] > db->db_level || dn->dn_next_nlevels[(tx->tx_txg-1) & TXG_MASK] > db->db_level || dn->dn_next_nlevels[(tx->tx_txg
> cpuid = 2
> KDB: stack backtrace:
> db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame 0xfffffe085a435eb0
> vpanic() at vpanic+0x182/frame 0xfffffe085a435f30
> panic() at panic+0x43/frame 0xfffffe085a435f90
> assfail() at assfail+0x1a/frame 0xfffffe085a435fa0
> dbuf_dirty() at dbuf_dirty+0x3e8/frame 0xfffffe085a436060
> dbuf_dirty() at dbuf_dirty+0xba4/frame 0xfffffe085a436120
> dbuf_dirty() at dbuf_dirty+0xba4/frame 0xfffffe085a4361e0
> dmu_write_uio_dnode() at dmu_write_uio_dnode+0x129/frame 0xfffffe085a436270
> dmu_write_uio_dbuf() at dmu_write_uio_dbuf+0x42/frame 0xfffffe085a4362a0
> zfs_freebsd_write() at zfs_freebsd_write+0x87c/frame 0xfffffe085a4364c0
> VOP_WRITE_APV() at VOP_WRITE_APV+0x16f/frame 0xfffffe085a4365d0
> vn_write() at vn_write+0x218/frame 0xfffffe085a436650
> vn_io_fault1() at vn_io_fault1+0x1d2/frame 0xfffffe085a4367b0
> vn_io_fault() at vn_io_fault+0x197/frame 0xfffffe085a436830
> dofilewrite() at dofilewrite+0x87/frame 0xfffffe085a436880
> kern_writev() at kern_writev+0x68/frame 0xfffffe085a4368d0
> sys_write() at sys_write+0x84/frame 0xfffffe085a436920
> amd64_syscall() at amd64_syscall+0x2db/frame 0xfffffe085a436a30
> Xfast_syscall() at Xfast_syscall+0xfb/frame 0xfffffe085a436a30
> --- syscall (4, FreeBSD ELF64, sys_write), rip = 0x800b9ddea, rsp = 0x7fffffffe568, rbp = 0x7fffffffe760 ---
> KDB: enter: panic
> 
> The pool is a two disk mirror.  I'm currently running a scrub.
> 
> RAM is ECC.
> 
> FreeBSD zipper.catspoiler.org 11.0-ALPHA5 FreeBSD 11.0-ALPHA5 #14 r302256M: Thu Jun 30 00:05:32 PDT 2016     dl_at_zipper.catspoiler.org:/usr/obj/usr/src/sys/GENERIC  amd64

scrub didn't find any problems:

  pool: zroot
 state: ONLINE
status: Some supported features are not enabled on the pool. The pool can
	still be used, but some features are unavailable.
action: Enable all features using 'zpool upgrade'. Once this is done,
	the pool may no longer be accessible by software that does not support
	the features. See zpool-features(7) for details.
  scan: scrub repaired 0 in 13h50m with 0 errors on Fri Jul  8 10:58:01 2016
config:

	NAME        STATE     READ WRITE CKSUM
	zroot       ONLINE       0     0     0
	  mirror-0  ONLINE       0     0     0
	    ada0p3  ONLINE       0     0     0
	    ada1p3  ONLINE       0     0     0

errors: No known data errors
Received on Fri Jul 08 2016 - 16:28:23 UTC

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