> Also this could be a useful TCG stress test...? For example, I get this serial output when running 'make vm-build-ubuntu.i386' with TCG:
[ 0.000000] Initializing cgroup subsys cpuset [ 0.000000] Initializing cgroup subsys cpu [ 0.000000] Initializing cgroup subsys cpuacct [ 0.000000] Linux version 4.4.0-130-generic (buildd@lgw01-amd64-037) (gcc version 5.4.0 20160609 (Ubuntu 5.4.0-6ubuntu1~16.04.9) ) #156-Ubuntu SMP Thu Jun 14 08:51:45 UTC 2018 (Ubuntu 4.4.0-130.156-generic 4.4.134) [ 0.000000] KERNEL supported cpus: [ 0.000000] Intel GenuineIntel [ 0.000000] AMD AuthenticAMD [ 0.000000] NSC Geode by NSC [ 0.000000] Cyrix CyrixInstead [ 0.000000] Centaur CentaurHauls [ 0.000000] Transmeta GenuineTMx86 [ 0.000000] Transmeta TransmetaCPU [ 0.000000] UMC UMC UMC UMC [ 0.000000] ------------[ cut here ]------------ [ 0.000000] WARNING: CPU: 0 PID: 0 at /build/linux-qgGLIA/linux-4.4.0/arch/x86/kernel/fpu/xstate.c:517 fpu__init_system_xstate+0x347/0x6e5() [ 0.000000] XSAVE consistency problem, dumping leaves [ 0.000000] Modules linked in: [ 0.000000] CPU: 0 PID: 0 Comm: swapper Not tainted 4.4.0-130-generic #156-Ubuntu [ 0.000000] c1afb967 c87860a9 00200086 c1af5e98 c13b544f c1af5ed8 c19db30c c1af5ec8 [ 0.000000] c1072aa7 c19db4a0 c1af5ef8 00000000 c19db30c 00000205 c1bc6163 c1bc6163 [ 0.000000] 00000008 00000440 c1af5f14 c1af5ee4 c1072b1e 00000009 c1af5ed8 c19db4a0 [ 0.000000] Call Trace: [ 0.000000] [<c13b544f>] dump_stack+0x58/0x79 [ 0.000000] [<c1072aa7>] warn_slowpath_common+0x87/0xc0 [ 0.000000] [<c1bc6163>] ? fpu__init_system_xstate+0x347/0x6e5 [ 0.000000] [<c1bc6163>] ? fpu__init_system_xstate+0x347/0x6e5 [ 0.000000] [<c1072b1e>] warn_slowpath_fmt+0x3e/0x60 [ 0.000000] [<c1bc6163>] fpu__init_system_xstate+0x347/0x6e5 [ 0.000000] [<c1bc5b76>] fpu__init_system+0x20f/0x310 [ 0.000000] [<c103dc59>] ? early_init_amd+0xd9/0x1c0 [ 0.000000] [<c103dd4d>] ? bsp_init_amd+0xd/0x1a0 [ 0.000000] [<c1bc6c80>] early_cpu_init+0x1e1/0x1f9 [ 0.000000] [<c1bc6c80>] ? early_cpu_init+0x1e1/0x1f9 [ 0.000000] [<c1bc21b2>] setup_arch+0xe9/0xd10 [ 0.000000] [<c1bb8895>] start_kernel+0xc1/0x405 [ 0.000000] [<c1bb82ff>] i386_start_kernel+0x9a/0x9e [ 0.000000] ---[ end trace 4d5ff9f2f68c4233 ]--- [ 0.000000] CPUID[0d, 00]: eax=0000021b ebx=00000a88 ecx=00000a88 edx=00000000 [ 0.000000] CPUID[0d, 01]: eax=00000005 ebx=00000000 ecx=00000000 edx=00000000 [ 0.000000] CPUID[0d, 02]: eax=00000000 ebx=00000000 ecx=00000000 edx=00000000 [ 0.000000] CPUID[0d, 03]: eax=00000040 ebx=000003c0 ecx=00000000 edx=00000000 [ 0.000000] CPUID[0d, 04]: eax=00000040 ebx=00000400 ecx=00000000 edx=00000000 [ 0.000000] CPUID[0d, 05]: eax=00000000 ebx=00000000 ecx=00000000 edx=00000000 [ 0.000000] CPUID[0d, 06]: eax=00000000 ebx=00000000 ecx=00000000 edx=00000000 [ 0.000000] CPUID[0d, 07]: eax=00000000 ebx=00000000 ecx=00000000 edx=00000000 [ 0.000000] CPUID[0d, 08]: eax=00000000 ebx=00000000 ecx=00000000 edx=00000000 [ 0.000000] CPUID[0d, 09]: eax=00000008 ebx=00000a80 ecx=00000000 edx=00000000 [ 0.000000] CPUID[0d, 0a]: eax=00000000 ebx=00000000 ecx=00000000 edx=00000000 [ 0.000000] CPUID[0d, 0b]: eax=00000000 ebx=00000000 ecx=00000000 edx=00000000 [ 0.000000] CPUID[0d, 0c]: eax=00000000 ebx=00000000 ecx=00000000 edx=00000000 [ 0.000000] CPUID[0d, 0d]: eax=00000000 ebx=00000000 ecx=00000000 edx=00000000 [ 0.000000] CPUID[0d, 0e]: eax=00000000 ebx=00000000 ecx=00000000 edx=00000000 [ 0.000000] CPUID[0d, 0f]: eax=00000000 ebx=00000000 ecx=00000000 edx=00000000 [ 0.000000] CPUID[0d, 10]: eax=00000000 ebx=00000000 ecx=00000000 edx=00000000 [ 0.000000] CPUID[0d, 11]: eax=00000000 ebx=00000000 ecx=00000000 edx=00000000 [ 0.000000] x86/fpu: xstate_offset[3]: 960, xstate_sizes[3]: 64 [ 0.000000] x86/fpu: xstate_offset[4]: 1024, xstate_sizes[4]: 64 [ 0.000000] x86/fpu: Supporting XSAVE feature 0x01: 'x87 floating point registers' [ 0.000000] x86/fpu: Supporting XSAVE feature 0x02: 'SSE registers' [ 0.000000] x86/fpu: Supporting XSAVE feature 0x08: 'MPX bounds registers' [ 0.000000] x86/fpu: Supporting XSAVE feature 0x10: 'MPX CSR' [ 0.000000] x86/fpu: Enabled xstate features 0x1b, context size is 2696 bytes, using 'standard' format. [ 0.000000] x86/fpu: Using 'eager' FPU context switches. [...] [ 6.352616] Unpacking initramfs... [ 31.096218] NMI watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [swapper/0:1] [ 31.096218] Modules linked in: [ 31.096218] CPU: 0 PID: 1 Comm: swapper/0 Tainted: G W 4.4.0-130-generic #156-Ubuntu [ 31.096218] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.11.2-0-gf9626ccb91-prebuilt.qemu-project.org 04/01/2014 [ 31.096218] task: f3900000 ti: f3908000 task.ti: f3908000 [ 31.096218] EIP: 0060:[<c1bf112b>] EFLAGS: 00000202 CPU: 0 [ 31.096218] EIP is at rc_get_bit+0x3c/0x4e [ 31.096218] EAX: 00000413 EBX: f8c0c648 ECX: f3900021 EDX: f8c0c648 [ 31.096218] ESI: f3909e4c EDI: f3909e7c EBP: f3909e00 ESP: f3909df4 [ 31.096218] DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068 [ 31.096218] CR0: 80050033 CR2: 00000000 CR3: 01cb1000 CR4: 003406f0 [ 31.096218] Stack: [ 31.096218] 00013da0 00000002 00000002 f3909eb0 c1bf18d3 00000000 00000003 c1cb6044 [ 31.096218] f6a9a000 f8c0c668 c1bb9a27 00000000 00000053 00000003 f6a9a000 00000234 [ 31.096218] 0001c9c1 f8c0c644 f8c0c000 00000007 00000004 00000020 00000002 5d000001 [ 31.096218] Call Trace: [ 31.096218] [<c1bf18d3>] unlzma+0x796/0x8ac [ 31.096218] [<c1bb9a27>] ? md_run_setup+0x8f/0x8f [ 31.096218] [<c1bb9ae5>] ? write_buffer+0x2e/0x2e [ 31.096218] [<c1bf0fa0>] ? unlz4+0x282/0x282 [ 31.096218] [<c1bb9a27>] ? md_run_setup+0x8f/0x8f [ 31.096218] [<c1bf113d>] ? rc_get_bit+0x4e/0x4e [ 31.096218] [<c1bba1e3>] unpack_to_rootfs+0x178/0x280 [ 31.096218] [<c1bb9ae5>] ? write_buffer+0x2e/0x2e [ 31.096218] [<c1bb9a27>] ? md_run_setup+0x8f/0x8f [ 31.096218] [<c1bba3ce>] ? maybe_link.part.3+0xe3/0xe3 [ 31.096218] [<c1bba41c>] populate_rootfs+0x4e/0xec [ 31.096218] [<c1bba3ce>] ? maybe_link.part.3+0xe3/0xe3 [ 31.096218] [<c100212d>] do_one_initcall+0xad/0x210 [ 31.096218] [<c1bba3ce>] ? maybe_link.part.3+0xe3/0xe3 [ 31.096218] [<c108f7d2>] ? parse_args+0x2e2/0x570 [ 31.096218] [<c1bb8d1f>] kernel_init_freeable+0x146/0x1d9 [ 31.096218] [<c17caa40>] kernel_init+0x10/0xe0 [ 31.096218] [<c109c541>] ? schedule_tail+0x11/0x50 [ 31.096218] [<c17d49a0>] ret_from_kernel_thread+0x38/0x4c [ 31.096218] [<c17caa30>] ? rest_init+0x70/0x70 [ 31.096218] Code: 85 c0 74 1e 8b 47 1c 89 47 18 0f b7 0b b8 00 08 00 00 29 c8 c1 f8 05 01 c8 66 89 03 31 c0 d1 26 eb 16 89 f8 89 da e8 e2 fe ff ff <8b> 06 8d 44 00 01 89 06 b8 01 00 00 00 5b 5e 5f 5d c3 55 89 e5 [ 75.096176] NMI watchdog: BUG: soft lockup - CPU#0 stuck for 21s! [swapper/0:1] [ 75.096176] Modules linked in: [ 75.096176] CPU: 0 PID: 1 Comm: swapper/0 Tainted: G W L 4.4.0-130-generic #156-Ubuntu [ 75.096176] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.11.2-0-gf9626ccb91-prebuilt.qemu-project.org 04/01/2014 [ 75.096176] task: f3900000 ti: f3908000 task.ti: f3908000 [ 75.096176] EIP: 0060:[<c1bf1100>] EFLAGS: 00000293 CPU: 0 [ 75.096176] EIP is at rc_get_bit+0x11/0x4e [ 75.096176] EAX: 00000001 EBX: f8c0c656 ECX: 000031c8 EDX: f8c0c656 [ 75.096176] ESI: f3909e4c EDI: f3909e7c EBP: f3909e00 ESP: f3909df4 [ 75.096176] DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068 [ 75.096176] CR0: 80050033 CR2: 00000000 CR3: 01cb1000 CR4: 003406f0 [ 75.096176] Stack: [ 75.096176] 0001a1d4 00000000 00000008 f3909eb0 c1bf18d3 00000000 00000003 c1cb6044 [ 75.096176] f6a9a000 f8c0c698 c1bb9a27 00000000 00000e5c 00000003 f6a9a000 00003777 [ 75.096176] 00001b7c f8c0c644 f8c0c000 0000000a 00000001 00000021 00000009 5d000001 [ 75.096176] Call Trace: [ 75.096176] [<c1bf18d3>] unlzma+0x796/0x8ac [ 75.096176] [<c1bb9a27>] ? md_run_setup+0x8f/0x8f [ 75.096176] [<c1bb9ae5>] ? write_buffer+0x2e/0x2e [ 75.096176] [<c1bf0fa0>] ? unlz4+0x282/0x282 [ 75.096176] [<c1bb9a27>] ? md_run_setup+0x8f/0x8f [ 75.096176] [<c1bf113d>] ? rc_get_bit+0x4e/0x4e [ 75.096176] [<c1bba1e3>] unpack_to_rootfs+0x178/0x280 [ 75.096176] [<c1bb9ae5>] ? write_buffer+0x2e/0x2e [ 75.096176] [<c1bb9a27>] ? md_run_setup+0x8f/0x8f [ 75.096176] [<c1bba3ce>] ? maybe_link.part.3+0xe3/0xe3 [ 75.096176] [<c1bba41c>] populate_rootfs+0x4e/0xec [ 75.096176] [<c1bba3ce>] ? maybe_link.part.3+0xe3/0xe3 [ 75.096176] [<c100212d>] do_one_initcall+0xad/0x210 [ 75.096176] [<c1bba3ce>] ? maybe_link.part.3+0xe3/0xe3 [ 75.096176] [<c108f7d2>] ? parse_args+0x2e2/0x570 [ 75.096176] [<c1bb8d1f>] kernel_init_freeable+0x146/0x1d9 [ 75.096176] [<c17caa40>] kernel_init+0x10/0xe0 [ 75.096176] [<c109c541>] ? schedule_tail+0x11/0x50 [ 75.096176] [<c17d49a0>] ret_from_kernel_thread+0x38/0x4c [ 75.096176] [<c17caa30>] ? rest_init+0x70/0x70 [ 75.096176] Code: 06 8b 4b 18 c1 e9 0b 0f af c1 39 43 14 89 43 1c 0f 92 c0 5b 0f b6 c0 5e 5d c3 55 89 e5 57 56 53 89 c7 89 d3 89 ce e8 bc ff ff ff <85> c0 74 1e 8b 47 1c 89 47 18 0f b7 0b b8 00 08 00 00 29 c8 c1 [ 115.096424] NMI watchdog: BUG: soft lockup - CPU#0 stuck for 23s! [swapper/0:1] [ 115.096424] Modules linked in: [ 115.096424] CPU: 0 PID: 1 Comm: swapper/0 Tainted: G W L 4.4.0-130-generic #156-Ubuntu [ 115.096424] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.11.2-0-gf9626ccb91-prebuilt.qemu-project.org 04/01/2014 [ 115.096424] task: f3900000 ti: f3908000 task.ti: f3908000 [ 115.096424] EIP: 0060:[<c1bf1100>] EFLAGS: 00000202 CPU: 0 [ 115.096424] EIP is at rc_get_bit+0x11/0x4e [ 115.096424] EAX: 00000000 EBX: f8c0cede ECX: 000139bf EDX: f8c0cede [ 115.096424] ESI: f3909e4c EDI: f3909e7c EBP: f3909e00 ESP: f3909df4 [ 115.096424] DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068 [ 115.096424] CR0: 80050033 CR2: 00000000 CR3: 01cb1000 CR4: 003406f0 [ 115.096424] Stack: [ 115.096424] 00000022 00000000 f8c0ce6c f3909eb0 c1bf14a5 00000000 00000003 c1cb6044 [ 115.096424] f6a9a000 00000002 c1bb9a27 00000000 0001cc1e 00000003 f6a9a000 00000008 [ 115.096424] 00000030 00000004 f8c0c000 00000008 00000003 00000005 00000039 5d000001 [ 115.096424] Call Trace: [ 115.096424] [<c1bf14a5>] unlzma+0x368/0x8ac [ 115.096424] [<c1bb9a27>] ? md_run_setup+0x8f/0x8f [ 115.096424] [<c1bb9ae5>] ? write_buffer+0x2e/0x2e [ 115.096424] [<c1bf0fa0>] ? unlz4+0x282/0x282 [ 115.096424] [<c1bb9a27>] ? md_run_setup+0x8f/0x8f [ 115.096424] [<c1bf113d>] ? rc_get_bit+0x4e/0x4e [ 115.096424] [<c1bba1e3>] unpack_to_rootfs+0x178/0x280 [ 115.096424] [<c1bb9ae5>] ? write_buffer+0x2e/0x2e [ 115.096424] [<c1bb9a27>] ? md_run_setup+0x8f/0x8f [ 115.096424] [<c1bba3ce>] ? maybe_link.part.3+0xe3/0xe3 [ 115.096424] [<c1bba41c>] populate_rootfs+0x4e/0xec [ 115.096424] [<c1bba3ce>] ? maybe_link.part.3+0xe3/0xe3 [ 115.096424] [<c100212d>] do_one_initcall+0xad/0x210 [ 115.096424] [<c1bba3ce>] ? maybe_link.part.3+0xe3/0xe3 [ 115.096424] [<c108f7d2>] ? parse_args+0x2e2/0x570 [ 115.096424] [<c1bb8d1f>] kernel_init_freeable+0x146/0x1d9 [ 115.096424] [<c17caa40>] kernel_init+0x10/0xe0 [ 115.096424] [<c109c541>] ? schedule_tail+0x11/0x50 [ 115.096424] [<c17d49a0>] ret_from_kernel_thread+0x38/0x4c [ 115.096424] [<c17caa30>] ? rest_init+0x70/0x70 [ 115.096424] Code: 06 8b 4b 18 c1 e9 0b 0f af c1 39 43 14 89 43 1c 0f 92 c0 5b 0f b6 c0 5e 5d c3 55 89 e5 57 56 53 89 c7 89 d3 89 ce e8 bc ff ff ff <85> c0 74 1e 8b 47 1c 89 47 18 0f b7 0b b8 00 08 00 00 29 c8 c1 [ 163.096192] NMI watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [swapper/0:1] [ 163.096192] Modules linked in: [ 163.096192] CPU: 0 PID: 1 Comm: swapper/0 Tainted: G W L 4.4.0-130-generic #156-Ubuntu [ 163.096192] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.11.2-0-gf9626ccb91-prebuilt.qemu-project.org 04/01/2014 [ 163.096192] task: f3900000 ti: f3908000 task.ti: f3908000 [ 163.096192] EIP: 0060:[<c1bf10d3>] EFLAGS: 00000212 CPU: 0 [ 163.096192] EIP is at rc_is_bit_0+0x17/0x33 [ 163.096192] EAX: f3909e7c EBX: f3909e7c ECX: f3909e48 EDX: f8c0c4f6 [ 163.096192] ESI: f8c0c4f6 EDI: f3909e7c EBP: f3909dec ESP: f3909de4 [ 163.096192] DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068 [ 163.096192] CR0: 80050033 CR2: 00000000 CR3: 01cb1000 CR4: 003406f0 [ 163.096192] Stack: [ 163.096192] f8c0c4f6 f3909e48 f3909e00 c1bf1100 00000003 000004e0 ffffffff f3909eb0 [ 163.096192] c1bf181f 00000000 00000003 c1cb6044 f6a9a000 f8c0c688 c1bb9a27 00000000 [ 163.096192] 00000010 00000003 f6a9a000 0000f175 00000c7e 0000f175 f8c0c000 0000000a [ 163.096192] Call Trace: [ 163.096192] [<c1bf1100>] rc_get_bit+0x11/0x4e [ 163.096192] [<c1bf181f>] unlzma+0x6e2/0x8ac [ 163.096192] [<c1bb9a27>] ? md_run_setup+0x8f/0x8f [ 163.096192] [<c1bb9ae5>] ? write_buffer+0x2e/0x2e [ 163.096192] [<c1bf0fa0>] ? unlz4+0x282/0x282 [ 163.096192] [<c1bb9a27>] ? md_run_setup+0x8f/0x8f [ 163.096192] [<c1bf113d>] ? rc_get_bit+0x4e/0x4e [ 163.096192] [<c1bba1e3>] unpack_to_rootfs+0x178/0x280 [ 163.096192] [<c1bb9ae5>] ? write_buffer+0x2e/0x2e [ 163.096192] [<c1bb9a27>] ? md_run_setup+0x8f/0x8f [ 163.096192] [<c1bba3ce>] ? maybe_link.part.3+0xe3/0xe3 [ 163.096192] [<c1bba41c>] populate_rootfs+0x4e/0xec [ 163.096192] [<c1bba3ce>] ? maybe_link.part.3+0xe3/0xe3 [ 163.096192] [<c100212d>] do_one_initcall+0xad/0x210 [ 163.096192] [<c1bba3ce>] ? maybe_link.part.3+0xe3/0xe3 [ 163.096192] [<c108f7d2>] ? parse_args+0x2e2/0x570 [ 163.096192] [<c1bb8d1f>] kernel_init_freeable+0x146/0x1d9 [ 163.096192] [<c17caa40>] kernel_init+0x10/0xe0 [ 163.096192] [<c109c541>] ? schedule_tail+0x11/0x50 [ 163.096192] [<c17d49a0>] ret_from_kernel_thread+0x38/0x4c [ 163.096192] [<c17caa30>] ? rest_init+0x70/0x70 [ 163.096192] Code: 29 d3 89 da 39 ca 72 04 01 ca eb f8 8b 00 5b 5d 8a 04 10 c3 55 89 e5 56 53 81 78 18 ff ff ff 00 89 c3 89 d6 77 05 e8 07 ff ff ff <0f> b7 06 8b 4b 18 c1 e9 0b 0f af c1 39 43 14 89 43 1c 0f 92 c0 [ 185.438160] Freeing initrd memory: 10924K [ 185.453073] Scanning for low memory corruption every 60 seconds [...] [ 186.445847] tsc: Refined TSC clocksource calibration: 1000.001 MHz [ 186.449585] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0xe6a1810bf3, max_idle_ns: 440795249465 ns [...] [ 247.130273] systemd[1]: Detected virtualization qemu. [ 247.133754] systemd[1]: Detected architecture x86. Welcome to [1mUbuntu 16.04.4 LTS[0m! [...] [[0;32m OK [0m] Started Network Time Synchronization. [[0;32m OK [0m] Reached target System Time Synchronized. [ 458.058546] NMI watchdog: BUG: soft lockup - CPU#0 stuck for 25s! [apparmor_parser:599] [ 458.061469] CPU: 0 PID: 599 Comm: apparmor_parser Tainted: G W L 4.4.0-130-generic #156-Ubuntu [ 458.061469] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.11.2-0-gf9626ccb91-prebuilt.qemu-project.org 04/01/2014 [ 458.061469] task: f6c40000 ti: f3bec000 task.ti: f3bec000 [ 458.061469] Stack: [ 458.061469] e01a9a00 00000064 f76cedc0 f6c40000 f3bee000 00000008 f3bee000 f328c63c [ 458.061469] f6c40000 f3bec000 f3bedf9c 00000006 00000006 f3bedfac c1061790 f3bedfa4 [ 458.061469] c10617aa b7688000 00000000 b7688780 c17d5b34 b7688000 09e5e008 09e5dfa8 [ 458.061469] Call Trace: [ 458.061469] [<c1061790>] ? __do_page_fault+0x4d0/0x4d0 [ 458.061469] [<c10617aa>] do_page_fault+0x1a/0x20 [ 458.061469] [<c17d5b34>] error_code+0x7c/0x84 [ 458.061469] Code: f9 89 d8 e8 39 f9 ff ff e9 3a fe ff ff 8d 74 26 00 83 80 c0 03 00 00 01 3e 8d 74 26 00 e9 5b ff ff ff 8d b4 26 00 00 00 00 fb 90 <8d> 74 26 00 83 4d f0 04 c7 45 ec 54 00 00 00 e9 6e fe ff ff 66 [[0;32m OK [0m] Started Set console font and keymap. [...] [[0;32m OK [0m] Started ACPI event daemon. Starting LSB: MD monitoring daemon... Then killed by the python script: Failed to prepare guest environment Exception: Timeout while waiting for guest ssh DEBUG:QMP:>>> {'execute': 'quit'} DEBUG:QMP:<<< {u'timestamp': {u'seconds': 1538348863, u'microseconds': 336828}, u'data': {u'path': u'/machine/peripheral-anon/device[0]/virtio-backend'}, u'event': u'NIC_RX_FILTER_CHANGED'} DEBUG:QMP:<<< {u'timestamp': {u'seconds': 1538348877, u'microseconds': 421466}, u'data': {u'offset': 0}, u'event': u'RTC_CHANGE'} DEBUG:QMP:<<< {u'return': {}}