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I'm running UML 2.4.26 on customerized linux 2.4.21, and met the following problems which I can not figure out:
1. gdb does not come up with a command line prompt when I add the "debug" option in the uml (in tt mode), it just hang up with these message:
GNU gdb Red Hat Linux (6.1post-1.20040607.17rh)
Copyright 2004 Free Software Foundation, Inc.
GDB is free software, covered by the GNU General Public License, and you are
welcome to change it and/or distribute copies of it under certain conditions.
Type "show copying" to see the conditions.
There is absolutely no warranty for GDB. Type "show warranty" for details.
This GDB was configured as "i386-redhat-linux-gnu"...Using host libthread_db library "/lib/libthread_db.so.1".
2. After starting UML without the debug option and running some applications, it hangs up. I found the the tt thread is working with endless signal 11 (SIGSEGV) from an application. I just wonder why so many SIGSEGV signals are sent. Actually after I add some log to the UML, I found that almost every application sent SIGSEGV to tt, why this happens?
Could you please give any suggestion on these?
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