[linux-pm] Swsusp restores sometimes wrong system time
R. J. Wysocki
Rafal.Wysocki at fuw.edu.pl
Mon Mar 10 15:13:13 PDT 2008
On Monday, 10 of March 2008, Martin Koegler wrote:
> I have a non SMP AMD i686, which does lots of suspends to disk (echo
> disk >/sys/power/state) without any problem. A few times in a year,
> some programs failed after resume. I recently investigated, why they
> did and discovered that the system time was set to a totally wrong
> value.
>
> Eg. some days ago, a vanilla 2.6.24.2 kernel set the system time to
> 1943-02-05 18:19:35. The BIOS clock had the correct time, as hwclock
> restored the correct time.
>
> I had the same issue on eariler kernel versions too.
>
> Has anybody an idea, how this can happen?
No ideas at the moment.
Please open a bug report at
http://bugzilla.kernel.org/enter_bug.cgi?product=Power%20Management
against Hibernation/Suspend and put your system information (as attachments)
in there.
Thanks,
Rafael
> $ lspci
> 00:00.0 Host bridge: Silicon Integrated Systems [SiS] 735 Host (rev 01)
> 00:01.0 PCI bridge: Silicon Integrated Systems [SiS] Virtual PCI-to-PCI bridge (AGP)
> 00:02.0 ISA bridge: Silicon Integrated Systems [SiS] SiS85C503/5513 (LPC Bridge)
> 00:02.1 SMBus: Silicon Integrated Systems [SiS] SiS961/2 SMBus Controller
> 00:02.2 USB Controller: Silicon Integrated Systems [SiS] USB 1.0 Controller (rev 07)
> 00:02.3 USB Controller: Silicon Integrated Systems [SiS] USB 1.0 Controller (rev 07)
> 00:02.5 IDE interface: Silicon Integrated Systems [SiS] 5513 [IDE] (rev d0)
> 00:02.7 Multimedia audio controller: Silicon Integrated Systems [SiS] AC'97 Sound Controller (rev a0)
> 00:03.0 Ethernet controller: Silicon Integrated Systems [SiS] SiS900 PCI Fast Ethernet (rev 90)
> 00:0b.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL-8139/8139C/8139C+ (rev 10)
> 00:0f.0 Multimedia audio controller: C-Media Electronics Inc CM8738 (rev 10)
> 01:00.0 VGA compatible controller: nVidia Corporation NV5M64 [RIVA TNT2 Model 64/Model 64 Pro] (rev 15)
> $ cat /proc/cpuinfo
> processor : 0
> vendor_id : AuthenticAMD
> cpu family : 6
> model : 4
> model name : AMD Athlon(tm) Processor
> stepping : 4
> cpu MHz : 995.820
> cache size : 256 KB
> fdiv_bug : no
> hlt_bug : no
> f00f_bug : no
> coma_bug : no
> fpu : yes
> fpu_exception : yes
> cpuid level : 1
> wp : yes
> flags : fpu vme de pse tsc msr pae mce cx8 sep mtrr pge mca cmov pat pse36 mmx fxsr syscall mmxext 3dnowext 3dnow
> bogomips : 1992.76
> clflush size : 32
> $ uname -s -r -v -m -p -i -o
> Linux 2.6.24.2 #1 Tue Feb 12 10:57:49 CET 2008 i686 unknown unknown GNU/Linux
>
> Config:
> #
> # Automatically generated make config: don't edit
> # Linux kernel version: 2.6.24.2
> # Tue Feb 12 08:51:57 2008
> #
> # CONFIG_64BIT is not set
> CONFIG_X86_32=y
> # CONFIG_X86_64 is not set
> CONFIG_X86=y
> CONFIG_GENERIC_TIME=y
> CONFIG_GENERIC_CMOS_UPDATE=y
> CONFIG_CLOCKSOURCE_WATCHDOG=y
> CONFIG_GENERIC_CLOCKEVENTS=y
> CONFIG_GENERIC_CLOCKEVENTS_BROADCAST=y
> CONFIG_LOCKDEP_SUPPORT=y
> CONFIG_STACKTRACE_SUPPORT=y
> CONFIG_SEMAPHORE_SLEEPERS=y
> CONFIG_MMU=y
> CONFIG_ZONE_DMA=y
> CONFIG_QUICKLIST=y
> CONFIG_GENERIC_ISA_DMA=y
> CONFIG_GENERIC_IOMAP=y
> CONFIG_GENERIC_BUG=y
> CONFIG_GENERIC_HWEIGHT=y
> CONFIG_ARCH_MAY_HAVE_PC_FDC=y
> CONFIG_DMI=y
> # CONFIG_RWSEM_GENERIC_SPINLOCK is not set
> CONFIG_RWSEM_XCHGADD_ALGORITHM=y
> # CONFIG_ARCH_HAS_ILOG2_U32 is not set
> # CONFIG_ARCH_HAS_ILOG2_U64 is not set
> CONFIG_GENERIC_CALIBRATE_DELAY=y
> # CONFIG_GENERIC_TIME_VSYSCALL is not set
> CONFIG_ARCH_SUPPORTS_OPROFILE=y
> # CONFIG_ZONE_DMA32 is not set
> CONFIG_ARCH_POPULATES_NODE_MAP=y
> # CONFIG_AUDIT_ARCH is not set
> CONFIG_GENERIC_HARDIRQS=y
> CONFIG_GENERIC_IRQ_PROBE=y
> CONFIG_X86_BIOS_REBOOT=y
> CONFIG_KTIME_SCALAR=y
> CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
> #
> # General setup
> #
> CONFIG_EXPERIMENTAL=y
> CONFIG_BROKEN_ON_SMP=y
> CONFIG_INIT_ENV_ARG_LIMIT=32
> CONFIG_LOCALVERSION=""
> CONFIG_LOCALVERSION_AUTO=y
> CONFIG_SWAP=y
> CONFIG_SYSVIPC=y
> CONFIG_SYSVIPC_SYSCTL=y
> CONFIG_POSIX_MQUEUE=y
> CONFIG_BSD_PROCESS_ACCT=y
> CONFIG_BSD_PROCESS_ACCT_V3=y
> # CONFIG_TASKSTATS is not set
> CONFIG_USER_NS=y
> CONFIG_PID_NS=y
> CONFIG_AUDIT=y
> CONFIG_AUDITSYSCALL=y
> CONFIG_AUDIT_TREE=y
> CONFIG_IKCONFIG=y
> CONFIG_IKCONFIG_PROC=y
> CONFIG_LOG_BUF_SHIFT=17
> CONFIG_CGROUPS=y
> CONFIG_CGROUP_DEBUG=y
> CONFIG_CGROUP_NS=y
> CONFIG_FAIR_GROUP_SCHED=y
> # CONFIG_FAIR_USER_SCHED is not set
> CONFIG_FAIR_CGROUP_SCHED=y
> CONFIG_CGROUP_CPUACCT=y
> CONFIG_SYSFS_DEPRECATED=y
> CONFIG_RELAY=y
> CONFIG_BLK_DEV_INITRD=y
> CONFIG_INITRAMFS_SOURCE=""
> # CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
> CONFIG_SYSCTL=y
> # CONFIG_EMBEDDED is not set
> CONFIG_UID16=y
> CONFIG_SYSCTL_SYSCALL=y
> CONFIG_KALLSYMS=y
> # CONFIG_KALLSYMS_ALL is not set
> # CONFIG_KALLSYMS_EXTRA_PASS is not set
> CONFIG_HOTPLUG=y
> CONFIG_PRINTK=y
> CONFIG_BUG=y
> CONFIG_ELF_CORE=y
> CONFIG_BASE_FULL=y
> CONFIG_FUTEX=y
> CONFIG_ANON_INODES=y
> CONFIG_EPOLL=y
> CONFIG_SIGNALFD=y
> CONFIG_EVENTFD=y
> CONFIG_SHMEM=y
> CONFIG_VM_EVENT_COUNTERS=y
> CONFIG_SLAB=y
> # CONFIG_SLUB is not set
> # CONFIG_SLOB is not set
> CONFIG_SLABINFO=y
> CONFIG_RT_MUTEXES=y
> # CONFIG_TINY_SHMEM is not set
> CONFIG_BASE_SMALL=0
> CONFIG_MODULES=y
> CONFIG_MODULE_UNLOAD=y
> CONFIG_MODULE_FORCE_UNLOAD=y
> CONFIG_MODVERSIONS=y
> # CONFIG_MODULE_SRCVERSION_ALL is not set
> # CONFIG_KMOD is not set
> CONFIG_BLOCK=y
> # CONFIG_LBD is not set
> # CONFIG_BLK_DEV_IO_TRACE is not set
> # CONFIG_LSF is not set
> # CONFIG_BLK_DEV_BSG is not set
> #
> # IO Schedulers
> #
> CONFIG_IOSCHED_NOOP=y
> CONFIG_IOSCHED_AS=y
> CONFIG_IOSCHED_DEADLINE=y
> CONFIG_IOSCHED_CFQ=y
> CONFIG_DEFAULT_AS=y
> # CONFIG_DEFAULT_DEADLINE is not set
> # CONFIG_DEFAULT_CFQ is not set
> # CONFIG_DEFAULT_NOOP is not set
> CONFIG_DEFAULT_IOSCHED="anticipatory"
> CONFIG_PREEMPT_NOTIFIERS=y
>
> #
> # Processor type and features
> #
> CONFIG_TICK_ONESHOT=y
> # CONFIG_NO_HZ is not set
> CONFIG_HIGH_RES_TIMERS=y
> CONFIG_GENERIC_CLOCKEVENTS_BUILD=y
> # CONFIG_SMP is not set
> CONFIG_X86_PC=y
> # CONFIG_X86_ELAN is not set
> # CONFIG_X86_VOYAGER is not set
> # CONFIG_X86_NUMAQ is not set
> # CONFIG_X86_SUMMIT is not set
> # CONFIG_X86_BIGSMP is not set
> # CONFIG_X86_VISWS is not set
> # CONFIG_X86_GENERICARCH is not set
> # CONFIG_X86_ES7000 is not set
> # CONFIG_X86_VSMP is not set
> CONFIG_SCHED_NO_NO_OMIT_FRAME_POINTER=y
> # CONFIG_PARAVIRT_GUEST is not set
> # CONFIG_M386 is not set
> # CONFIG_M486 is not set
> # CONFIG_M586 is not set
> # CONFIG_M586TSC is not set
> # CONFIG_M586MMX is not set
> # CONFIG_M686 is not set
> # CONFIG_MPENTIUMII is not set
> # CONFIG_MPENTIUMIII is not set
> # CONFIG_MPENTIUMM is not set
> # CONFIG_MPENTIUM4 is not set
> # CONFIG_MK6 is not set
> CONFIG_MK7=y
> # CONFIG_MK8 is not set
> # CONFIG_MCRUSOE is not set
> # CONFIG_MEFFICEON is not set
> # CONFIG_MWINCHIPC6 is not set
> # CONFIG_MWINCHIP2 is not set
> # CONFIG_MWINCHIP3D is not set
> # CONFIG_MGEODEGX1 is not set
> # CONFIG_MGEODE_LX is not set
> # CONFIG_MCYRIXIII is not set
> # CONFIG_MVIAC3_2 is not set
> # CONFIG_MVIAC7 is not set
> # CONFIG_MPSC is not set
> # CONFIG_MCORE2 is not set
> # CONFIG_GENERIC_CPU is not set
> # CONFIG_X86_GENERIC is not set
> CONFIG_X86_CMPXCHG=y
> CONFIG_X86_L1_CACHE_SHIFT=6
> CONFIG_X86_XADD=y
> CONFIG_X86_WP_WORKS_OK=y
> CONFIG_X86_INVLPG=y
> CONFIG_X86_BSWAP=y
> CONFIG_X86_POPAD_OK=y
> CONFIG_X86_GOOD_APIC=y
> CONFIG_X86_INTEL_USERCOPY=y
> CONFIG_X86_USE_PPRO_CHECKSUM=y
> CONFIG_X86_USE_3DNOW=y
> CONFIG_X86_TSC=y
> CONFIG_X86_CMOV=y
> CONFIG_X86_MINIMUM_CPU_FAMILY=4
> CONFIG_HPET_TIMER=y
> CONFIG_HPET_EMULATE_RTC=y
> CONFIG_PREEMPT_NONE=y
> # CONFIG_PREEMPT_VOLUNTARY is not set
> # CONFIG_PREEMPT is not set
> CONFIG_X86_UP_APIC=y
> CONFIG_X86_UP_IOAPIC=y
> CONFIG_X86_LOCAL_APIC=y
> CONFIG_X86_IO_APIC=y
> CONFIG_X86_MCE=y
> CONFIG_X86_MCE_NONFATAL=y
> # CONFIG_X86_MCE_P4THERMAL is not set
> CONFIG_VM86=y
> # CONFIG_TOSHIBA is not set
> # CONFIG_I8K is not set
> # CONFIG_X86_REBOOTFIXUPS is not set
> # CONFIG_MICROCODE is not set
> CONFIG_X86_MSR=m
> CONFIG_X86_CPUID=y
> CONFIG_NOHIGHMEM=y
> # CONFIG_HIGHMEM4G is not set
> # CONFIG_HIGHMEM64G is not set
> CONFIG_PAGE_OFFSET=0xC0000000
> # CONFIG_X86_PAE is not set
> CONFIG_ARCH_FLATMEM_ENABLE=y
> CONFIG_ARCH_SPARSEMEM_ENABLE=y
> CONFIG_ARCH_SELECT_MEMORY_MODEL=y
> CONFIG_SELECT_MEMORY_MODEL=y
> CONFIG_FLATMEM_MANUAL=y
> # CONFIG_DISCONTIGMEM_MANUAL is not set
> # CONFIG_SPARSEMEM_MANUAL is not set
> CONFIG_FLATMEM=y
> CONFIG_FLAT_NODE_MEM_MAP=y
> CONFIG_SPARSEMEM_STATIC=y
> # CONFIG_SPARSEMEM_VMEMMAP_ENABLE is not set
> CONFIG_SPLIT_PTLOCK_CPUS=4
> # CONFIG_RESOURCES_64BIT is not set
> CONFIG_ZONE_DMA_FLAG=1
> CONFIG_BOUNCE=y
> CONFIG_NR_QUICK=1
> CONFIG_VIRT_TO_BUS=y
> # CONFIG_MATH_EMULATION is not set
> CONFIG_MTRR=y
> # CONFIG_EFI is not set
> CONFIG_SECCOMP=y
> # CONFIG_HZ_100 is not set
> CONFIG_HZ_250=y
> # CONFIG_HZ_300 is not set
> # CONFIG_HZ_1000 is not set
> CONFIG_HZ=250
> CONFIG_KEXEC=y
> CONFIG_PHYSICAL_START=0x100000
> # CONFIG_RELOCATABLE is not set
> CONFIG_PHYSICAL_ALIGN=0x100000
> CONFIG_COMPAT_VDSO=y
> #
> # Power management options
> #
> CONFIG_PM=y
> CONFIG_PM_LEGACY=y
> # CONFIG_PM_DEBUG is not set
> CONFIG_PM_SLEEP=y
> CONFIG_SUSPEND_UP_POSSIBLE=y
> CONFIG_SUSPEND=y
> CONFIG_HIBERNATION_UP_POSSIBLE=y
> CONFIG_HIBERNATION=y
> CONFIG_PM_STD_PARTITION=""
> CONFIG_ACPI=y
> CONFIG_ACPI_SLEEP=y
> # CONFIG_ACPI_PROCFS is not set
> CONFIG_ACPI_PROCFS_POWER=y
> CONFIG_ACPI_SYSFS_POWER=y
> CONFIG_ACPI_PROC_EVENT=y
> CONFIG_ACPI_AC=m
> CONFIG_ACPI_BATTERY=m
> CONFIG_ACPI_BUTTON=m
> CONFIG_ACPI_FAN=m
> CONFIG_ACPI_DOCK=m
> # CONFIG_ACPI_BAY is not set
> CONFIG_ACPI_PROCESSOR=m
> CONFIG_ACPI_THERMAL=m
> # CONFIG_ACPI_ASUS is not set
> # CONFIG_ACPI_TOSHIBA is not set
> CONFIG_ACPI_BLACKLIST_YEAR=0
> # CONFIG_ACPI_DEBUG is not set
> CONFIG_ACPI_EC=y
> CONFIG_ACPI_POWER=y
> CONFIG_ACPI_SYSTEM=y
> CONFIG_X86_PM_TIMER=y
> # CONFIG_ACPI_CONTAINER is not set
> CONFIG_ACPI_SBS=m
> # CONFIG_APM is not set
> #
> # CPU Frequency scaling
> #
> CONFIG_CPU_FREQ=y
> CONFIG_CPU_FREQ_TABLE=y
> # CONFIG_CPU_FREQ_DEBUG is not set
> CONFIG_CPU_FREQ_STAT=y
> # CONFIG_CPU_FREQ_STAT_DETAILS is not set
> # CONFIG_CPU_FREQ_DEFAULT_GOV_PERFORMANCE is not set
> CONFIG_CPU_FREQ_DEFAULT_GOV_USERSPACE=y
> # CONFIG_CPU_FREQ_DEFAULT_GOV_ONDEMAND is not set
> # CONFIG_CPU_FREQ_DEFAULT_GOV_CONSERVATIVE is not set
> CONFIG_CPU_FREQ_GOV_PERFORMANCE=m
> CONFIG_CPU_FREQ_GOV_POWERSAVE=m
> CONFIG_CPU_FREQ_GOV_USERSPACE=y
> CONFIG_CPU_FREQ_GOV_ONDEMAND=m
> CONFIG_CPU_FREQ_GOV_CONSERVATIVE=m
>
> #
> # CPUFreq processor drivers
> #
> CONFIG_X86_ACPI_CPUFREQ=m
> # CONFIG_X86_POWERNOW_K6 is not set
> CONFIG_X86_POWERNOW_K7=m
> CONFIG_X86_POWERNOW_K7_ACPI=y
> # CONFIG_X86_POWERNOW_K8 is not set
> # CONFIG_X86_GX_SUSPMOD is not set
> # CONFIG_X86_SPEEDSTEP_CENTRINO is not set
> # CONFIG_X86_SPEEDSTEP_ICH is not set
> # CONFIG_X86_SPEEDSTEP_SMI is not set
> # CONFIG_X86_P4_CLOCKMOD is not set
> # CONFIG_X86_CPUFREQ_NFORCE2 is not set
> # CONFIG_X86_LONGRUN is not set
> # CONFIG_X86_LONGHAUL is not set
> # CONFIG_X86_E_POWERSAVER is not set
>
> #
> # shared options
> #
> CONFIG_X86_ACPI_CPUFREQ_PROC_INTF=y
> # CONFIG_X86_SPEEDSTEP_LIB is not set
> # CONFIG_CPU_IDLE is not set
>
> #
> # shared options
> #
> CONFIG_X86_ACPI_CPUFREQ_PROC_INTF=y
> # CONFIG_X86_SPEEDSTEP_LIB is not set
> # CONFIG_CPU_IDLE is not set
>
> #
> # Bus options (PCI etc.)
> #
> CONFIG_PCI=y
> # CONFIG_PCI_GOBIOS is not set
> # CONFIG_PCI_GOMMCONFIG is not set
> # CONFIG_PCI_GODIRECT is not set
> CONFIG_PCI_GOANY=y
> CONFIG_PCI_BIOS=y
> CONFIG_PCI_DIRECT=y
> CONFIG_PCI_MMCONFIG=y
> CONFIG_PCI_DOMAINS=y
> # CONFIG_PCIEPORTBUS is not set
> CONFIG_ARCH_SUPPORTS_MSI=y
> # CONFIG_PCI_MSI is not set
> CONFIG_PCI_LEGACY=y
> # CONFIG_PCI_DEBUG is not set
> CONFIG_HT_IRQ=y
> CONFIG_ISA_DMA_API=y
> CONFIG_ISA=y
> # CONFIG_EISA is not set
> # CONFIG_MCA is not set
> # CONFIG_SCx200 is not set
> # CONFIG_PCCARD is not set
> # CONFIG_HOTPLUG_PCI is not set
>
> #
> # Executable file formats / Emulations
> #
> CONFIG_BINFMT_ELF=y
> CONFIG_BINFMT_AOUT=m
> CONFIG_BINFMT_MISC=m
>
> #
> # Networking
> #
> CONFIG_NET=y
> [... Network, device drivers, filesystems ...]
> _______________________________________________
> linux-pm mailing list
> linux-pm at lists.linux-foundation.org
> https://lists.linux-foundation.org/mailman/listinfo/linux-pm
>
>
--
Rafael J. Wysocki, Ph.D.
Institute of Theoretical Physics
Faculty of Physics of Warsaw University
ul. Hoza 69, 00-681 Warsaw
[tel: +48 22 55 32 263]
[mob: +48 60 50 53 693]
----------------------------
One should not increase, beyond what is necessary,
the number of entities required to explain anything.
-- William of Ockham
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