If you have ever wanted to get the command line options that were passed to a running Solaris process, you might have noticed that the output of command line arguments from ps is truncated to 80 characters. Looking into /usr/include/sys/procfs.h will reveal the reason why! This is because of the restriction in struct psinfo. Here [...]
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I had a previous post on how to turn on core files for set-UID, set-GID processes under Linux. Recently we ran into the same problem on Solaris. To turn on core files for set-id processes, use coreadm. $ pfexec coreadm -e global-setid Please keep in mind that these core files can have information that non-privileged user isn’t [...] We were troubleshooting an interesting problem with GCC/gdb that caused gdb to report an argument passed by reference as if it was passed by value. In the process, I was digging up some DWARF information. Ever wondered what exactly gcc is adding to support the debuggers when you use ‘-g’ switch? Michael J. Eager has [...] My (ex-)manager David Carlton has decided to leave us to join Playdom. I learned a lot in the past two years working with him. We are going to miss him a lot! Playdom is fortunate to have such a talented individual on board. I am sure he will be bringing a multitude of perspectives into [...] Lately I was encountering segmentation fault with one of our processes and found that it was not dumping core file even though we asked it by using appropriate ulimit setting. It was set-UIDed root. Then I discovered that the default behavior of set-UID, set-GID processes is not to dump core unless explicitly asked by prctl(2). [...] |
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Copyright © 2010 Praveen Kumar - All Rights Reserved. |
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