[Bug 224250] Sending SCSI command to ATA device makes kernel triple fault.

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=224250

--- Comment #16 from Alan Somers <asomers at FreeBSD.org> ---
Using VirtualBox, I can reproduce the failure every time.  However, it looks
less like a triple fault than like a bug in VirtualBox itself.  For a triple
fault, I would expect the VM to reboot.  Instead, what I see is that the entire
VM crashes with signal 5 (SIGTRAP, normally used by debuggers).  

And if I start it with "virtualbox --startvm alans-fbsd103" rather than through
the gui, then it leaves this message on the console:

!!Assertion Failed!!
Expression: bm->u8Cmd & BM_CMD_WRITE
Location  :
/wrkdirs/usr/ports/emulators/virtualbox-ose/work/VirtualBox-4.3.22/src/VBox/Devices/Storage/DevATA.cpp(5294)
int ataAsyncIOLoop(RTTHREAD, void *)
Trace/BPT trap

Is this what you see, Natalia?

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