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Old 2nd July 2008
jones jones is offline
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Default Bug reporting

Hi
Im running 4.3-current and ive come across a nice little hardware bug that causes a pannic and drops me to a ddb> prompt. I know i need to send off a dmesg, but they also ask for a backtrace with the dbug messages, I really need to know the right ddb> commands and if they output the disk somewhere more useful than just stdout

Thanks
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Old 2nd July 2008
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Quote:
Originally Posted by jones View Post
Hi
Im running 4.3-current and ive come across a nice little hardware bug that causes a pannic and drops me to a ddb> prompt. I know i need to send off a dmesg, but they also ask for a backtrace with the dbug messages, I really need to know the right ddb> commands and if they output the disk somewhere more useful than just stdout

Thanks
http://www.openbsd.org/faq/faq2.html#Bugs
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Old 3rd July 2008
J65nko J65nko is offline
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In case you haven't done so, you could configure the problematic box as serial console.

That saves you from the trouble of having to manually copy the output.
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Old 3rd July 2008
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ddb output can also be "captured" in a core dump and displayed after reboot with dmesg(8) -M / -N. After collecting a backtrace, and perhaps a process list (trace/ps), issue "boot dump" to ddb. The core dump will be saved in /var/dump during reboot.
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Old 3rd July 2008
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thanks i really dont have the disposition to copy all that output by hand, ive done it with boot error messages before and its not the fun computing i normally enjoy. I'll get the latest 4.4-beta then send off by bug reports
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