ubuntu 12.04 vnc keymap has trouble, D become minimize all windows and S become start menu, run these to fix it. 2015/03/19

CFLAGS='-I /opt/local/include -L /opt/local/lib' CXXFLAGS='-I /opt/local/include -L /opt/local/lib' ./configure --prefix=/peter-dwarfdump make make install Because mac gcc doesn't search for the /opt/local, so need to specific the path manually. 2015/03/07

Peter-dwarf library can show hierarchy data for compile unit now 2015/02/15

Thinkaholic open source event 2015/2/10 2015/02/15

I should look at this printf -> _fstat -> _sbrk -> write 2015/02/07

now is good enough, can focus on library things 2015/01/22

just save this to /etc/init.d/tomcat and link to /etc/rc5.d/S99tomcat 2015/01/21

gsettings set org.gnome.desktop.media-handling automount false ...and enable it again: gsettings set org.gnome.desktop.media-handling automount true 2015/01/14

Elf is having duplicate compile unit, why ld doesn't clear it out? 2015/01/09

I have two programs, one written in c++, the other is in java. C++ keep sending bytes to java, overtime write out 400KB. Java keep receiving the data using the readBytes function, this function returns an integer which is the number of byte it actually read for the function call. For every send (400kb) in […] 2015/01/08

The jump profiling is little bit enhanced. After load up the ELF kernel, it can read out all symbols and display it in the jump profiling window. It helps people to tracing where the EIP jumping to which c++ function. 2015/01/03

Empty bochs instrument crash in linux, but not in mac. My instrument code is nearly empty. core dump: configure: run by: bochsrcSDL.bxrc: instrument.h: instrument.cc: 2014/12/25

Java has bug again. After you installed idk 1.8u25 in your mac, open Eclipse.app/Contents/MacOS/eclipse.ini, you will see: -vm /Library/Java/JavaVirtualMachines/jdk1.8.0_25.jdk/Contents/Home But actually this line has no effect, when you run eclipse with -console -debug, you still see it is running use idk 1.6 "-vm /System/Library/Frameworks/JavaVM.framework". To fix it, change that line to -vm /Library/Java/JavaVirtualMachines/jdk1.8.0_25.jdk/Contents/Home/bin/java Peter. 2014/12/22

Without "CXXFLAGS=-O3", boots can only runs 20M ips on my i5 mbpr. With that, now is 57M ips. 2014/12/14

When you add the keyword "volatile" in front of variable declaration, it prevents compiler to optimize the line that are using that variable. But if the line is completely useless, compiler will still optimized it out, prevent to generate any byte code for it. 2014/12/10

I am unable to get the “” from the input stream. Please help. In command line, when i start bochs, I saw “”, which is very normal. But if i use java to read it out, i never got the . I tried different classes (BufferedReader, InputStream), none of them success. 2014/11/22

Dear Bochs Team My name is Peter, the author of GKD, prior call peter-bochs. Peter-Bochs parses the bochs debugger output. During the last 3 years, I am busy to support each version of bochs because the output of bochs debug command is different. I want to format the bochs debugger command output to xml, so […] 2014/11/16

This tutorial teach you how to add a debug command in boots, you need to touch these files only: debug.h dbg_main.cc lexer.l parser.y Step 1) First of all, you need to add your command (see below) to lexer.l, don't add anything below the line "[A-Za-z_][A-Za-z0-9_]* { bxlval.sval = strdup(bxtext); return(BX_TOKEN_GENERIC); }", because it will eat […] 2014/11/15

bochs can't compile in mac because the configure always set gui_debugger=1, just set this variable to 0 in line 22459. Bochs can be compile in mac with "./configure --enable-disasm --with-sdl --enable-debugger" 2014/11/15

Below code has error, because the ${new} will crash old tomcat 7. JSTL has bug. 2014/11/14

Sharepoint online bug - If you place an html-email-address to it and click "check" button, it crash. Even you delete all text and the check button can't resume normal. 2014/11/11

Fixed a serious bug using windows bochs. In java, the function String::matched will return false when it has a '\r'. Download here https://www.dropbox.com/s/7nf2swf1exkisna/GKD-20141011.jar?dl=0 2014/10/11

Install the below fix will resolve this issue http://support2.microsoft.com/kb/3005628 2014/10/11

In visual studio, when you deploy your sharepoint app, if t hang up in "Installation is in progress". Make sure your "SharePoint Timer Service" is running, this problem will be solved 2014/10/09

Someone comlpaint GKD dosen't work with Bochs in windows. Because the bochs path has space. I just tested it in windows 7, this issue doesn't exist. 2014/10/09

First, do these in office web apps server Second, do these in sharepoint server 2014/10/09

openocd with arm is working 2014/10/05

Finally connect my openjtag usb device to my old smartarm 2200 development board using openocd. The next step is buy a x86 dev board (intel galileo) and try to use openocd with it. Then port peter-bochs to support openocd, finally i will have a hardware debug platform for os dev. http://www.zlgmcu.com is a development board […] 2014/10/01

People always ask me why their virtual address is not pointing to the right physical address. Almost every time is the page table get wrong. But there are few possibilities, such as PD, CR address and etc.. You can use these step to find out. 1) First, set the physical point and run until the […] 2014/09/20

Kendo with asp.net MVC, need to be careful this link in your web.config You have to turn off debug="true", otherwise the ScriptBundle includes will not working. 2014/08/28

usb wireless mouse freeze periodically in ubuntu 12.04 lts, edit /boot/grub/grub.cfg, add a boot option irqpoll will fix it 2014/08/24