memory bug debugging
От | Markus Schiltknecht |
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Тема | memory bug debugging |
Дата | |
Msg-id | 1128424301.19122.10.camel@localhost.localdomain обсуждение исходный текст |
Ответы |
Re: memory bug debugging
|
Список | pgsql-hackers |
Hello hackers, I'm fiddling around with the backend and have created a memory bug. I guess I'm overriding a palloced chunk, but can't figure out where. The backend's report is: WARNING: problem in alloc set MessageContext: req size > alloc size for chunk 0x8383ca8 in block 0x83834a0 Investigating a little I have found out that chunk size is 8, but requested size is: 1912602626 (more than 1GB???). This certainly doesn't make sense. What tools or debugging options exist to find memory leaks / overrides? I've read the utils/mmgr/README, which leads me to the conclusion that I cannot use valgrind or similar tools. It would be very helpful to know what chunk it is, or better: where it got allocated. Thank you for your help Markus
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