<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[pythonwahaha的博客]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/pythonwahaha</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; pythonwahaha]]></copyright><item><title><![CDATA[blktrace fio hexdump 使用实例]]></title><link>https://blog.youkuaiyun.com/pythonwahaha/article/details/130825773</link><guid>https://blog.youkuaiyun.com/pythonwahaha/article/details/130825773</guid><author>pythonwahaha</author><pubDate>Tue, 23 May 2023 18:30:00 +0800</pubDate><description><![CDATA[blktrace fio hexdump 使用实例]]></description><category></category></item><item><title><![CDATA[安装numpy时报错RuntimeError: Broken toolchain: cannot link a simple C program]]></title><link>https://blog.youkuaiyun.com/pythonwahaha/article/details/125277282</link><guid>https://blog.youkuaiyun.com/pythonwahaha/article/details/125277282</guid><author>pythonwahaha</author><pubDate>Tue, 14 Jun 2022 14:23:16 +0800</pubDate><description><![CDATA[install numpy RuntimeError: Broken toolchain: cannot link a simple C program]]></description><category></category></item><item><title><![CDATA[nand flash学习]]></title><link>https://blog.youkuaiyun.com/pythonwahaha/article/details/123228462</link><guid>https://blog.youkuaiyun.com/pythonwahaha/article/details/123228462</guid><author>pythonwahaha</author><pubDate>Wed, 02 Mar 2022 13:55:46 +0800</pubDate><description><![CDATA[从逻辑角度看，一个die有几个plane，一个plane有几个block，一个block有几个page。
但是，不理解物理层的架构，比如看到有文章说，SLC一个wordline对应一个page，TLC一个wordline对应三个page，但是对不上。比如层数32，也就是32个wordline，SLC page却是192，而不是32，为什么呢？
原因是，一个wordline会对应多个string，比如192/32=6个string。

...]]></description><category></category></item><item><title><![CDATA[Host memory buffer HMB的大小]]></title><link>https://blog.youkuaiyun.com/pythonwahaha/article/details/122549324</link><guid>https://blog.youkuaiyun.com/pythonwahaha/article/details/122549324</guid><author>pythonwahaha</author><pubDate>Mon, 17 Jan 2022 21:59:51 +0800</pubDate><description><![CDATA[Windows下可以通过查找系统日志获得，Microsoft-Windows-Storage-Storport/Operational 日志来查看，可以看到Device支持的min和pre size，还有实际分配的大小，由于Microsoft的限制，目前最多分配64MB给device。
所以device支持的min和pre最好都配置成64M。万一power on后，host按照min来配置了，device的min又很小，甚至为0，那就只能哭死了。

...]]></description><category></category></item><item><title><![CDATA[操作系统类型windows UEFI模式导致spdk和dnvme error]]></title><link>https://blog.youkuaiyun.com/pythonwahaha/article/details/122549098</link><guid>https://blog.youkuaiyun.com/pythonwahaha/article/details/122549098</guid><author>pythonwahaha</author><pubDate>Mon, 17 Jan 2022 21:43:05 +0800</pubDate><description><![CDATA[最近发现当bios的 操作系统类型为Windows
UEFI模式时，linux下加载spdk会error，AMD和Intel平台都是如此。
解决办法，将bios的 操作系统类型改为 其他操作系统，可以兼容Windows和Linux。

]]></description><category></category></item><item><title><![CDATA[加载dnvme驱动Error]]></title><link>https://blog.youkuaiyun.com/pythonwahaha/article/details/104859900</link><guid>https://blog.youkuaiyun.com/pythonwahaha/article/details/104859900</guid><author>pythonwahaha</author><pubDate>Sat, 14 Mar 2020 14:24:51 +0800</pubDate><description><![CDATA[问题，nvme切换到dnvne时，insmod:Error,could not insert  module dnvme.ko:required key not available
解决，把BIOS 里的secure boost 设为disable

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