Hi,
I built a very simple zpool file system.
During a copy of 100GB data the whole system crashed and required a hard reboot.
Anonymous UUID: 2F65BDDF-6944-44EF-898B-9EEAF3D3D86F
Mon Dec 10 20:43:31 2012
panic(cpu 4 caller 0xffffff7f813e70da): "zio_notify_parent: zero io_children [0, 0], err 0, 0xffffff8226701e10 0 0xffffff8226702098\n"@/staging/zevo/src/uts/common/fs/zfs/zio.c:478
Backtrace (CPU 4), Frame : Return Address
0xffffff815310bd70 : 0xffffff8000204d15
0xffffff815310be70 : 0xffffff7f813e70da
0xffffff815310bec0 : 0xffffff7f813e5d31
0xffffff815310bef0 : 0xffffff7f813e3369
0xffffff815310bf30 : 0xffffff7f81353c39
0xffffff815310bfa0 : 0xffffff80002c8527
Kernel Extensions in backtrace (with dependencies):
com.getgreenbytes.filesystem.zfs(2012.09.23)@0xffffff7f81346000->0xffffff7f81485fff
dependency: com.apple.iokit.IOStorageFamily(1.6.3)@0xffffff7f80884000
BSD process name corresponding to current thread: kernel_task
Mac OS version:
10K549
Kernel version:
Darwin Kernel Version 10.8.0: Tue Jun 7 16:32:41 PDT 2011; root:xnu-1504.15.3~1/RELEASE_X86_64
System model name: MacPro3,1 (Mac-F42C88C8)
Model: MacPro3,1, BootROM MP31.006C.B05, 8 processors, Quad-Core Intel Xeon, 2.8 GHz, 16 GB, SMC 1.25f4
Graphics: ATI Radeon HD 2600 XT, ATI Radeon HD 2600, PCIe, 256 MB