我将内核从3.10.0-514.26.2.el7.x86_64更新到3.10.0-693.11.6.el7.x86_64,我注意到3.10.0-693.11.6.el7.x86_64中的所有内核模块都添加了".xz“(下面的示例输出)。
/usr/lib/modules/3.10.0-693.11.6.el7.x86_64/kernel/sound/soc/intel/skylake/snd-soc-skl-ipc.ko.xz
/usr/lib/modules/3.10.0-693.11.6.el7.x86_64/kernel/sound/soc/intel/skylake/snd-soc-skl.ko.xz
/usr/lib/modules/3.10.0-693.11.6.el7.x86_64/kernel/sound/soc/snd-soc-core.ko.xz
/usr/lib/modules/3.10.0-693.11.6.el7.x86_64/kernel/sound/soundcore.ko.xz
/usr/lib/modules/3.10.0-693.11.6.el7.x86_64/kernel/sound/synth/emux/snd-emux-synth.ko.xz
/usr/lib/modules/3.10.0-693.11.6.el7.x86_64/kernel/sound/synth/snd-util-mem.ko.xz
/usr/lib/modules/3.10.0-693.11.6.el7.x86_64/kernel/sound/usb/6fire/snd-usb-6fire.ko.xz
/usr/lib/modules/3.10.0-693.11.6.el7.x86_64/kernel/sound/usb/bcd2000/snd-bcd2000.ko.xz
/usr/lib/modules/3.10.0-693.11.6.el7.x86_64/kernel/sound/usb/caiaq/snd-usb-caiaq.ko.xz
/usr/lib/modules/3.10.0-693.11.6.el7.x86_64/kernel/sound/usb/hiface/snd-usb-hiface.ko.xz但就在以前的版本中,一切都只是标准的*.ko。
/usr/lib/modules/3.10.0-229.7.2.el7.x86_64/kernel/sound/synth/emux/snd-emux-synth.ko
/usr/lib/modules/3.10.0-229.7.2.el7.x86_64/kernel/sound/synth/snd-util-mem.ko
/usr/lib/modules/3.10.0-229.7.2.el7.x86_64/kernel/sound/usb/6fire/snd-usb-6fire.ko
/usr/lib/modules/3.10.0-229.7.2.el7.x86_64/kernel/sound/usb/caiaq/snd-usb-caiaq.ko
/usr/lib/modules/3.10.0-229.7.2.el7.x86_64/kernel/sound/usb/misc/snd-ua101.ko
/usr/lib/modules/3.10.0-229.7.2.el7.x86_64/kernel/sound/usb/snd-usb-audio.ko
/usr/lib/modules/3.10.0-229.7.2.el7.x86_64/kernel/sound/usb/snd-usbmidi-lib.ko
/usr/lib/modules/3.10.0-229.7.2.el7.x86_64/kernel/sound/usb/usx2y/snd-usb-us122l.ko
/usr/lib/modules/3.10.0-229.7.2.el7.x86_64/kernel/sound/usb/usx2y/snd-usb-usx2y.ko当我试图解压缩ko.xz时,看起来它们的名称是错误的,而不是实际压缩的。
tar -xJf ip_gre.ko.xz
tar: This does not look like a tar archive
tar: Skipping to next header
tar: Exiting with failure status due to previous errorsxz -l将文件显示为“压缩”。
xz -l ip_gre_default.ko.xz
Strms Blocks Compressed Uncompressed Ratio Check Filename
1 1 8,924 B 32.2 KiB 0.271 CRC64 ip_gre_default.ko.xz这是否意味着mean将自动处理压缩的ko?
它看起来更像是一个构建问题,而不是任何其他问题。
发布于 2018-01-13 09:54:35
这很好,可以使用gzip或xz对模块进行压缩。使用这个MODULE_COMPRESS内核构建选项、与MODULE_COMPRESS_GZIP或MODULE_COMPRESS_XZ一起启用压缩以选择压缩工具。
https://unix.stackexchange.com/questions/416397
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