Comment 3 for bug 1744199

F.Y.I. Here is the kernel panic message.
You can google for "PANIC: double fault, error_code: 0x0".

[ 193.361839] PANIC: double fault, error_code: 0x0
[ 193.363960] Kernel panic - not syncing: Machine halted.
[ 193.366020] CPU: 1 PID: 1822 Comm: a.out Not tainted 3.13.0-140-generic #189-Ubuntu
[ 193.368882] Hardware name: VMware, Inc. VMware Virtual Platform/440BX Desktop Reference Platform, BIOS 6.00 07/02/2015
[ 193.371892] 0000000000000000 ffff88013a627e90 ffffffff8172e82c ffffffff81a44fd6
[ 193.374275] 0000000000000000 ffff88013a627f08 ffffffff8172764f ffff880100000008
[ 193.376712] ffff88013a627f18 ffff88013a627eb8 000000000000304a 0000000000000046
[ 193.379181] Call Trace:
[ 193.379957] <#DF> [<ffffffff8172e82c>] dump_stack+0x64/0x82
[ 193.381810] [<ffffffff8172764f>] panic+0xc8/0x1e1
[ 193.383271] [<ffffffff8104daf1>] df_debug+0x31/0x40
[ 193.384737] [<ffffffff81015a40>] do_double_fault+0x80/0x100
[ 193.386361] [<ffffffff81742bb8>] double_fault+0x28/0x30
[ 193.387891] [<ffffffff8174321f>] ? ia32_sysenter_target+0x4f/0x195
[ 193.389691] <<EOE>>
[ 193.390626] Kernel Offset: 0x0 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffff9fffffff)