ZFS zvol support improved - VirtualBox gets unstable with it

[Adam Vande More]

On Wed, Aug 13, 2014 at 7:16 AM, Volodymyr Kostyrko <c.kworr at gmail.com>
wrote:

> .Aug 13 14:00:17 limbo kernel: pid 50275 (VirtualBox), uid 1001: exited on
> signal 11 (core dumped)
>
> 00:01:06.704138 NAT: DHCP offered IP address 10.0.2.15
> 00:01:13.352513 NAT: IPv6 not supported
> 00:05:10.647121 UIMediumEnumerator: Machine (or snapshot) event received,
> ID = 127e4da5-ca27-41f0-bda7-23a3b76fd447
> 00:05:10.647313 UIMediumEnumerator:  Old usage: d85e4ed7-2c67-4947-ad91-
> 3d37c410e047
> 00:05:10.649943 UIMediumEnumerator:  New usage: d85e4ed7-2c67-4947-ad91-
> 3d37c410e047
> 00:05:10.650007 UIMediumEnumerator: Machine (or snapshot) event processed,
> ID = 127e4da5-ca27-41f0-bda7-23a3b76fd447
>
> ^^^ No errors.
>
> #0  0x00000008020e1dad in RTLogLoggerEx (pLogger=0x811462e40, fFlags=8,
> iGroup=293652128, pszFormat=0x81180c6a0 "$") at /tmp/ports/usr/ports/
> emulators/virtualbox-ose/work/VirtualBox-4.3.12/src/VBox/
> Runtime/common/log/logellipsis.cpp:80
> 80      {
>
> #0  0x00000008020e1dad in RTLogLoggerEx (pLogger=0x811462e40, fFlags=8,
> iGroup=293652128, pszFormat=0x81180c6a0 "$") at /tmp/ports/usr/ports/
> emulators/virtualbox-ose/work/VirtualBox-4.3.12/src/VBox/
> Runtime/common/log/logellipsis.cpp:80
>         args = {{gp_offset = 4, fp_offset = 0, overflow_arg_area = 0x0,
> reg_save_area = 0x100000000000000}}
> #1  0x00000008073632ef in pdmacFileAioMgrNormalReqCompleteRc
> (pAioMgr=0x8141e5620, hReq=0x81180c6a0, rcReq=0, cbTransfered=0)
>     at /tmp/ports/usr/ports/emulators/virtualbox-ose/work/
> VirtualBox-4.3.12/src/VBox/VMM/VMMR3/PDMAsyncCompletionFileNormal.cpp:1348
>         rc = 0
>         pEndpoint = 0x101000817ea93c0
>         pTask = 0x811462e40
>         pTasksWaiting = 0x7ffffe9a21f0
> #2  0x0000000807365f1c in pdmacFileAioMgrNormalReqsEnqueue
> (pAioMgr=0x8141e5620, pEndpoint=0x8142000a0, pahReqs=0x7ffffe9a2380,
> cReqs=1)
>     at /tmp/ports/usr/ports/emulators/virtualbox-ose/work/
> VirtualBox-4.3.12/src/VBox/VMM/VMMR3/PDMAsyncCompletionFileNormal.cpp:613
>         rcReq = 0
>         i = 0
>         rc = -250
> #3  0x0000000807363f6d in pdmacFileAioMgrNormalReqCompleteRc
> (pAioMgr=0x8141e5620, hReq=0x81180c6a0, rcReq=0, cbTransfered=0)
>     at /tmp/ports/usr/ports/emulators/virtualbox-ose/work/
> VirtualBox-4.3.12/src/VBox/VMM/VMMR3/PDMAsyncCompletionFileNormal.cpp:1504
>         offStart = 9376530432
>         cbToTransfer = 16384
>         pbBuf = (uint8_t *) 0x85c2fe000 "\001"
>         rc = 0
>         pEndpoint = 0x8142000a0
>         pTask = 0x811462e40
>         pTasksWaiting = 0x7ffffe9a2390
> #4  0x0000000807365f1c in pdmacFileAioMgrNormalReqsEnqueue
> (pAioMgr=0x8141e5620, pEndpoint=0x8142000a0, pahReqs=0x7ffffe9a2520,
> cReqs=1)
>     at /tmp/ports/usr/ports/emulators/virtualbox-ose/work/
> VirtualBox-4.3.12/src/VBox/VMM/VMMR3/PDMAsyncCompletionFileNormal.cpp:613
>         rcReq = 0
>         i = 0
>         rc = -250
> #5  0x0000000807363f6d in pdmacFileAioMgrNormalReqCompleteRc
> (pAioMgr=0x8141e5620, hReq=0x81180c6a0, rcReq=0, cbTransfered=0)
>     at /tmp/ports/usr/ports/emulators/virtualbox-ose/work/
> VirtualBox-4.3.12/src/VBox/VMM/VMMR3/PDMAsyncCompletionFileNormal.cpp:1504
>         offStart = 9376530432
>         cbToTransfer = 16384
>         pbBuf = (uint8_t *) 0x85c2fe000 "\001"
>         rc = 0
>         pEndpoint = 0x8142000a0
>         pTask = 0x811462e40
>         pTasksWaiting = 0x7ffffe9a2530
>
> If anyone want's to see whole log I can grab it somewhere, it's too long.


Looking at your error msg's closer, it appear AIO might be enabled.
 FreeBSD, ZVOL's, and AIO have a reported incompatability:
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=168298



-- 
Adam