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Learn more about LinuxCon + ContainerCon + CloudOpen China, happening June 19-20. 

Customize your schedule by experience level and/or presentation language: Refer to the “Filter by Type” list on the right to find a session based on topic and/or experience level. Presentation Language - Sessions are categorized as [C] Chinese, [C,E] Chinese with English Slides or [E] English at the end of each talk title.
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Tuesday, June 20 • 14:15 - 14:45
KDUMP: Usage and Internals [E] - Pratyush Anand, Red Hat India Pvt Ltd

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Kdump is a long existing method for acquiring dump of crashed kernel, however very few literatures are available to understand it's usage and internals. We receive a lot of queries on kexec mailing list about different issues related to the kexec/kdump environment.
In this presentation, we talk about basics of kdump usage and some internals about kdump/kexec kernel implementation. It includes end to end flow from kdump kernel configuration to crash analysis. We discuss some of the problem which is frequently faced by kdump users. It also includes related information about ELF structure, so that one can debug if vmcore itself gets corrupted because of any architecture related issue.

Speakers
avatar for Pratyush Anand

Pratyush Anand

Senior Software Engineer, Red Hat India Pvt Ltd
Pratyush is working with RedHat as a Linux Kernel Generalist. Primarily, he takes care of several kexec/kdump issues being faced by Red Hat product and upstream. He also handles other kernel debugging/tracing/performance issues around Red Hat supported ARM64 platforms. Apart from... Read More →



Tuesday June 20, 2017 14:15 - 14:45
Room 307B

Attendees (23)