Re: [zfs-discuss] assertion failure when destroy zpool on tmpfs

[Enda o'Connor - Sun Microsystems Ireland - Software Engineer]

Hi
Looks like same stack as 6413847, although it is pointed more towards hardware failure.

the stack below is from 5.11 snv_38, but also seems to affect update 2 as per above bug.

Enda

Thomas Maier-Komor wrote:

Hi,

my colleage is just testing ZFS and created a zpool which had a backing store file on a TMPFS filesystem. After deleting the file everything still worked normally. But destroying the pool caused an assertion failure and a panic. I know this is neither a real-live szenario nor a good idea. The assertion failure occured on Solaris 10 update 2.

Below is some mdb output, in case someone is interested in this.

BTW: great to have Solaris 10 update 2 with ZFS. I can't wait to deploy it.

Cheers,
Tom

  

::panicinfo
    

             cpu                1
          thread      2a100ea7cc0
         message 
assertion failed: vdev_config_sync(rvd, txg) == 0, file: ../../common/fs/zfs/spa
.c, line: 2149
          tstate       4480001601
              g1      30037505c40
              g2               10
              g3                2
              g4                2
              g5                3
              g6               16
              g7      2a100ea7cc0
              o0          11eb1e8
              o1      2a100ea7928
              o2      3000006f5b0
              o3      30037505c50
              o4      30000c7a000
              o5               15
              o6      2a100ea6ff1
              o7          105e560
              pc          104220c
             npc          1042210
               y               10     
  

::stack
    

vpanic(11eb1e8, 13f01d8, 13f01f8, 865, 600026d4ef0, 60002793ac0)
assfail+0x7c(13f01d8, 13f01f8, 865, 183e000, 11eb000, 0)
spa_sync+0x190(60001f244c0, 3dd9, 600047f3500, 0, 2a100ea7cc4, 2a100ea7cbc)
txg_sync_thread+0x130(60001f9c580, 3dd9, 2a100ea7ab0, 60001f9c6a0, 60001f9c692, 
60001f9c690)
thread_start+4(60001f9c580, 0, 0, 0, 0, 0)
  

::status
    

debugging crash dump vmcore.0 (64-bit) from ai
operating system: 5.11 snv_38 (sun4u)
panic message: 
assertion failed: vdev_config_sync(rvd, txg) == 0, file: ../../common/fs/zfs/spa
.c, line: 2149
dump content: kernel pages only
 
 
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