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Bug 163580 - Command 'next' results very high CPU usage and a long time response time
Command 'next' results very high CPU usage and a long time response time
Product: Fedora
Classification: Fedora
Component: gdb (Show other bugs)
i386 Linux
medium Severity medium
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Assigned To: Jan Kratochvil
Depends On:
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Reported: 2005-07-19 02:23 EDT by Neo
Modified: 2008-02-18 21:22 EST (History)
1 user (show)

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Fixed In Version:
Doc Type: Bug Fix
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Last Closed: 2008-02-18 21:22:35 EST
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Description Neo 2005-07-19 02:23:24 EDT
From Bugzilla Helper:
User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.7.9) Gecko/20050711 Firefox/1.0.5

Description of problem:
I am not sure if it is a bug or a mere performance problem, but I will report it there.

I am debugging a C/C++ program. I set a breakpoint (syscall open()) and run the program. When I use the 'step' command, the CPU usage is very high (almost 100%) and it takes even minutes before gdb returns to prompt state.

Version-Release number of selected component (if applicable):

How reproducible:

Steps to Reproduce:
1. Compiles a program with -g2.
2. Start gdb with the program.
3. Set a breakpoint at a syscall, for example open.
4. Issue gdb command run.
5. When it hits the breakpoint, issue command step.

Actual Results:  Very high CPU usage and a very long time before gdb returns to is prompt state.

Additional info:
Comment 1 Christian Iseli 2007-01-19 19:27:32 EST
This report targets the FC3 or FC4 products, which have now been EOL'd.

Could you please check that it still applies to a current Fedora release, and
either update the target product or close it ?

Comment 2 petrosyan 2008-02-18 21:22:35 EST
Fedora Core 4 is no longer maintained.

Setting status to "INSUFFICIENT_DATA". If you can reproduce this bug in the
current Fedora release, please reopen this bug and assign it to the
corresponding Fedora version.

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