大家好,感谢邀请,今天来为大家分享一下以太坊 out of memory的问题,以及和以太坊价格今日行情的一些困惑,大家要是还不太明白的话,也没有关系,因为接下来将为大家分享,希望可以帮助到大家,解决大家的问题,下面就开始吧!

本文目录

技嘉b365m power如何linux dmesg命令详解技嘉b365m power如何性能稳定,适用于一般用户需求。因为技嘉b365mpower采用了IntelB365芯片组,仅支持第八、九代Intel处理器,但拥有4个DDR4内存插槽以及M.2SSD插槽,可以满足一般用户的需求。此外,该主板还拥有Realtek的ALC887音频解码器,可提供良好的音频效果。唯一的缺点是其I/O板只提供了2个USB3.1Gen1端口和4个USB2.0端口,略微有些不足。

linux dmesg命令详解linuxdmesg命令参数及用法详解(linux显示开机信息命令)

功能说明:显示开机信息。

语法:dmesg[-cn][-s<缓冲区大小>]

补充说明:kernel会将开机信息存储在ringbuffer中。您若是开机时来不及查看信息,可利用dmesg来查看。开机信息亦保存在/var/log目录中,名称为dmesg的文件里。

参数:

-c显示信息后,清除ringbuffer中的内容。

-s<缓冲区大小>预设置为8196,刚好等于ringbuffer的大小。

-n设置记录信息的层级。扩展阅读一:dmesg命令主要用途

主要应用:

dmesg用来显示内核环缓冲区(kernel-ringbuffer)内容,内核将各种消息存放在这里。在系统引导时,内核将与硬件和模块初始化相关的信息填到这个缓冲区中。内核环缓冲区中的消息对于诊断系统问题通常非常有用。在运行dmesg时,它显示大量信息。通常通过less或grep使用管道查看dmesg的输出,这样可以更容易找到待查信息。例如,如果发现硬盘性能低下,可以使用dmesg来检查它们是否运行在DMA模式:

$dmesg|grepDMA

...

ide0:BM-DMAat0xf000-0xf007,BIOSsettings:hda:DMA,hdb:DMA

ide1:BM-DMAat0xf008-0xf00f,BIOSsettings:hdc:DMA,hdd:DMA

...上面几行可以说明每个IDE设备正在什么模式下运行。如果以太网连接出现问题,那么可以在dmesg日志中搜索eth:

$dmesg|grepeth

forcedeth.c:ReverseEngineerednForce

ethernetdriver.Version0.49.

eth0:forcedeth.c:subsystem:0147b:1c00

boundto0000:00:04.0

eth0:noIPv6routerspresent如果一切正常,那么dmesg显示每个网卡的硬件配置信息。如果某项系统服务未能得到正确的配置,dmesg日志很快就填满错误消息,这是诊断故障的良好起点。

还可以用来探测系统内核模块的加载情况,比如要检测ACPI的加载情况,使用dmesg|grepacpi

dmesg|egrep-i''(apm|acpi)''

Kernelcommandline:vga=274quietconsole=ttyS3,9600acpi=no-idleoot=/dev/hda3

ACPI:CoreSubsystemversion[20010208]

ACPI:Subsystemenabled

ACPI:Systemfirmwaresupports:C2

ACPI:plvl2lat=99plvl3lat=1001

ACPI:C2enter=1417C2exit=354

ACPI:C3enter=-1C3exit=-1

ACPI:NotusingACPIidle

ACPI:Systemfirmwaresupports:S0S1S4S5

扩展阅读二:dmesg命令使用示例

使用示例

示例一将开机信息发邮件

mandmesg写道

Theprogramhelpsuserstoprintouttheirbootupmessages.Insteadofcopyingthemessagesbyhand,theuserneedonly:

dmesg>boot.messages

andmailtheboot.messagesfiletowhoevercandebugtheirproblem.

[root@new55~]#dmesg>boot.messages

[root@new55~]#ls-lboot.messages

-rw-r--r--1rootroot1583812-0912begin_of_the_skype_highlighting

1583812-0912免费end_of_the_skype_highlighting:55boot.messages[root@new55~]#mail-s"BootLogofLinuxServer"public@web3q.net<boot.messages

[root@new55~]#示例二浏览dmesg输出的信息

[root@new55~]#uname-a

Linuxnew552.6.18-194.el5#1SMPTueMar1621:52:43EDT2010i686i686i386GNU/Linux[root@new55~]#dmesg|less

Linuxversion2.6.18-194.el5(mockbuild@x86-007.build.bos.redhat.com)(gccversion4.1.220080704(RedHat4.1.2-48))#1SMPTueMar1621:52:43EDT2010

BIOS-providedphysicalRAMmap:

BIOS-e820:0000000000010000-000000000009fc00(usable)

BIOS-e820:000000000009fc00-00000000000a0000(reserved)

BIOS-e820:00000000000e0000-0000000000100000(reserved)

BIOS-e820:0000000000100000-000000001f7d0000(usable)

BIOS-e820:000000001f7d0000-000000001f7efc00(reserved)

BIOS-e820:000000001f7efc00-000000001f7fb000(ACPINVS)

BIOS-e820:000000001f7fb000-000000001f800000(reserved)

BIOS-e820:00000000e0000000-00000000f0000000(reserved)

BIOS-e820:00000000fec00000-00000000fec02000(reserved)

BIOS-e820:00000000fed20000-00000000fed9b000(reserved)

BIOS-e820:00000000feda0000-00000000fedc0000(reserved)

BIOS-e820:00000000ffb00000-00000000ffc00000(reserved)

BIOS-e820:00000000fff00000-0000000100000000(reserved)

0MBHIGHMEMavailable.

503MBLOWMEMavailable.

Memoryforcrashkernel(0x0to0x0)notwithinpermissiblerange

disablingkdump

Usingx86segmentlimitstoapproximateNXprotection

Onnode0totalpages:128976

DMAzone:4096pages,LIFObatch:0

Normalzone:124880pages,LIFObatch:31

DMI2.3present.

UsingAPICdriverdefault

ACPI:RSDP(v000HP)@0x000fe270

ACPI:RSDT(v001HP30C40x31100620HP0x00000001)@0x1f7efc84

ACPI:FADT(v002HP30C40x00000002HP0x00000001)@0x1f7efc00

ACPI:MADT(v001HP30C40x00000001HP0x00000001)@0x1f7efcb8

ACPI:MCFG(v001HP30C40x00000001HP0x00000001)@0x1f7efd14

ACPI:SSDT(v001HPHPQPpc0x00001001MSFT0x0100000e)@0x1f7f6698

ACPI:DSDT(v001HPDAU000x00010000MSFT0x0100000e)@0x00000000

ACPI:PM-TimerIOPort:0x1008

ACPI:LocalAPICaddress0xfec01000

ACPI:LAPIC(acpi_id[0x01]lapic_id[0x00]enabled)

Processor#06:13APICversion20

ACPI:LAPIC_NMI(acpi_id[0x01]highedgelint[0x1])

ACPI:IOAPIC(id[0x01]address[0xfec00000]gsi_base[0])

IOAPIC[0]:apic_id1,version32,address0xfec00000,GSI0-23

:

示例三查看dmesg尾部的信息

[root@new55~]#dmesg|tail

Bluetooth:L2CAPver2.8

Bluetooth:L2CAPsocketlayerinitialized

Bluetooth:RFCOMMsocketlayerinitialized

Bluetooth:RFCOMMTTYlayerinitialized

Bluetooth:RFCOMMver1.8

Bluetooth:HIDP(HumanInterfaceEmulation)ver1.1

eth0:noIPv6routerspresent

Installingknfsd(copyright(C)1996okir@monad.swb.de).

NFSD:Using/var/lib/nfs/v4recoveryastheNFSv4staterecoverydirectory

NFSD:starting90-secondgraceperiod

[root@new55~]#

示例四安装SS7卡驱动时的内核日志

[root@localhostss7dpklnx]#cdSS7HD_DRIVER/

[root@localhostSS7HD_DRIVER]#ls

bbdddlnx_iss.hbbd_hbi.hbbd_ioc.cbbd_isr.cbbd_pci.cBSD_license.txtGPL_V2-only_license.txtinstall_ss7hd.shMakefile26

bbd_def.hbbd_hs.cbbd_ioc.hbbd_lnx.cbbd_pro.hbuild_ss7hd.shi21555.hMakefile24

[root@localhostSS7HD_DRIVER]#./build_ss7hd.sh

make:Enteringdirectory`/usr/src/kernels/2.6.9-22.EL-i686'

CC[M]/root/setup/ss7dpklnx/SS7HD_DRIVER/bbd_hs.o

CC[M]/root/setup/ss7dpklnx/SS7HD_DRIVER/bbd_ioc.o

CC[M]/root/setup/ss7dpklnx/SS7HD_DRIVER/bbd_isr.o

CC[M]/root/setup/ss7dpklnx/SS7HD_DRIVER/bbd_pci.o

CC[M]/root/setup/ss7dpklnx/SS7HD_DRIVER/bbd_lnx.o

LD[M]/root/setup/ss7dpklnx/SS7HD_DRIVER/ss7hddvr26.o

Buildingmodules,stage2.

MODPOST

CC/root/setup/ss7dpklnx/SS7HD_DRIVER/ss7hddvr26.mod.o

LD[M]/root/setup/ss7dpklnx/SS7HD_DRIVER/ss7hddvr26.ko

make:Leavingdirectory`/usr/src/kernels/2.6.9-22.EL-i686'http://www.linuxso.com/command/dmesg.html[root@localhostSS7HD_DRIVER]#./install_ss7hd.sh

[root@localhostSS7HD_DRIVER]#lsmod|grepss7

ss7hddvr26258080

[root@localhostSS7HD_DRIVER]#dmesg|tail

ACPI:PCIinterrupt0000:02:0d.0[?]->GSI9(level,low)->IRQ9

BBD[0]64bit

SS7HD[0]-suspend

DialogicSS7HDDeviceDriverV100.00(SourceV1.21)

Copyright(C)DialogicCorporation2003-2010.AllRightsReserved

Usingmajordevicenumber251.

ACPI:PCIinterrupt0000:02:0d.0[?]->GSI9(level,low)->IRQ9

BBD[0]64bit

[root@localhostSS7HD_DRIVER]#./install_ss7hd.shremove

[root@localhostSS7HD_DRIVER]#lsmod|grepss7

[root@localhostSS7HD_DRIVER]#dmesg|tail

BBD[0]64bit

SS7HD[0]-suspend

DialogicSS7HDDeviceDriverV100.00(SourceV1.21)

Copyright(C)DialogicCorporation2003-2010.AllRightsReserved

Usingmajordevicenumber251.

ACPI:PCIinterrupt0000:02:0d.0[?]->GSI9(level,low)->IRQ9

BBD[0]64bit

SS7HD[0]-suspend

[root@localhostSS7HD_DRIVER]#

示例五打印并清除内核环形缓冲区

[root@new55~]#dmesg-c

Linuxversion2.6.18-194.el5(mockbuild@x86-007.build.bos.redhat.com)(gccversion4.1.220080704(RedHat4.1.2-48))#1SMPTueMar1621:52:43EDT2010

BIOS-providedphysicalRAMmap:

BIOS-e820:0000000000010000-000000000009fc00(usable)

BIOS-e820:000000000009fc00-00000000000a0000(reserved)

BIOS-e820:00000000000e0000-0000000000100000(reserved)

BIOS-e820:0000000000100000-000000001f7d0000(usable)

BIOS-e820:000000001f7d0000-000000001f7efc00(reserved)

BIOS-e820:000000001f7efc00-000000001f7fb000(ACPINVS)

BIOS-e820:000000001f7fb000-000000001f800000(reserved)

BIOS-e820:00000000e0000000-00000000f0000000(reserved)

BIOS-e820:00000000fec00000-00000000fec02000(reserved)

BIOS-e820:00000000fed20000-00000000fed9b000(reserved)

BIOS-e820:00000000feda0000-00000000fedc0000(reserved)

BIOS-e820:00000000ffb00000-00000000ffc00000(reserved)

BIOS-e820:00000000fff00000-0000000100000000(reserved)

0MBHIGHMEMavailable.

503MBLOWMEMavailable.

Memoryforcrashkernel(0x0to0x0)notwithinpermissiblerange

disablingkdump

Usingx86segmentlimitstoapproximateNXprotection

Onnode0totalpages:128976

DMAzone:4096pages,LIFObatch:0

Normalzone:124880pages,LIFObatch:31

DMI2.3present.省略输出

Bluetooth:HIDP(HumanInterfaceEmulation)ver1.1

eth0:noIPv6routerspresent

Installingknfsd(copyright(C)1996okir@monad.swb.de).

NFSD:Using/var/lib/nfs/v4recoveryastheNFSv4staterecoverydirectory

NFSD:starting90-secondgraceperiod

[root@new55~]#dmesg[root@new55~]#less/var/log/dmesg

Linuxversion2.6.18-194.el5(mockbuild@x86-007.build.bos.redhat.com)(gccversion4.1.220080704(RedHat4.1.2-48))#1SMPTueMar1621:52:43EDT2010

BIOS-providedphysicalRAMmap:

BIOS-e820:0000000000010000-000000000009fc00(usable)

BIOS-e820:000000000009fc00-00000000000a0000(reserved)

BIOS-e820:00000000000e0000-0000000000100000(reserved)

BIOS-e820:0000000000100000-000000001f7d0000(usable)

BIOS-e820:000000001f7d0000-000000001f7efc00(reserved)

BIOS-e820:000000001f7efc00-000000001f7fb000(ACPINVS)

BIOS-e820:000000001f7fb000-000000001f800000(reserved)

BIOS-e820:00000000e0000000-00000000f0000000(reserved)

BIOS-e820:00000000fec00000-00000000fec02000(reserved)

BIOS-e820:00000000fed20000-00000000fed9b000(reserved)

BIOS-e820:00000000feda0000-00000000fedc0000(reserved)

BIOS-e820:00000000ffb00000-00000000ffc00000(reserved)

BIOS-e820:00000000fff00000-0000000100000000(reserved)

0MBHIGHMEMavailable.

503MBLOWMEMavailable.

Memoryforcrashkernel(0x0to0x0)notwithinpermissiblerange

disablingkdump

Usingx86segmentlimitstoapproximateNXprotection

Onnode0totalpages:128976

DMAzone:4096pages,LIFObatch:0

Normalzone:124880pages,LIFObatch:31

DMI2.3present.

UsingAPICdriverdefault

ACPI:RSDP(v000HP)@0x000fe270

ACPI:RSDT(v001HP30C40x31100620HP0x00000001)@0x1f7efc84

ACPI:FADT(v002HP30C40x00000002HP0x00000001)@0x1f7efc00

ACPI:MADT(v001HP30C40x00000001HP0x00000001)@0x1f7efcb8

ACPI:MCFG(v001HP30C40x00000001HP0x00000001)@0x1f7efd14

ACPI:SSDT(v001HPHPQPpc0x00001001MSFT0x0100000e)@0x1f7f6698

ACPI:DSDT(v001HPDAU000x00010000MSFT0x0100000e)@0x00000000

ACPI:PM-TimerIOPort:0x1008

ACPI:LocalAPICaddress0xfec01000

ACPI:LAPIC(acpi_id[0x01]lapic_id[0x00]enabled)

Processor#06:13APICversion20

ACPI:LAPIC_NMI(acpi_id[0x01]highedgelint[0x1])

ACPI:IOAPIC(id[0x01]address[0xfec00000]gsi_base[0])

IOAPIC[0]:apic_id1,version32,address0xfec00000,GSI0-23

[root@new55~]#

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