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ring buffer requested but capture isn't being saved to a permanent file

asked 2020-08-06 02:31:10 +0000

hangtian gravatar image

updated 2020-08-06 09:48:24 +0000

grahamb gravatar image

I've tried below 2 cases:

  1. Ubuntu commandline: sudo wireshark -i wlan0 -k -l -w sniffer_log/1.pcapng -b files:5 -b fiesize: 200000
  2. Windows wireshark GUI: Capture->Options->Output->set Permanent file and create a new file automatically and ringbuffer files.

Question: At first, the sniffer started, and log file saved to the permanent files with index and timestamp appended. However, when I stop sniffer, then start, the GUI prompt "Ring buffer requested, but capture isn't being saved to a permanent file". The error prompt disappears only if I click the "Capture->Options->Output" again, no matter choose "start" or "close". Is this a bug? Why it keep prompt the error info even I already set the permanent file and ringbuffer size and file numebrs?

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answered 2020-08-06 03:07:41 +0000

Chuckc gravatar image

I can recreate this (or something similar) with 3.2.3 and 3.2.5.
Can you open a bug on the Wireshark Bugzilla

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Bug 16759 created.

hangtian gravatar imagehangtian ( 2020-08-06 05:37:12 +0000 )edit

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Asked: 2020-08-06 02:31:10 +0000

Seen: 172 times

Last updated: Aug 06