User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:184.108.40.206) Gecko/20060909 Firefox/220.127.116.11 Build Identifier: Mozilla Thunderbird version 18.104.22.168 (20060909) If I forward an email with a large attachment, Thunderbird hangs with 100% CPU usage for a variable time. Sometimes it is only a minute or two, other times it can go for hours (it seems like larger attachments cause a longer hang). When the CPU goes back to normal, I can then use Thunderbird but any typing in the large email causes it to hang again. When I send the large email it hangs also. After being hung for a while with 100% CPU it finishes sending the email and then acts normal again until I try to forward another large email. Some large emails don't cause the problem, but an email which does cause it will do so consistently. Reproducible: Sometimes Steps to Reproduce: 1. Receive an email with a large attachment 2 [review]. Forward that email 3. Actual Results: My computer hangs for a variable time, with 100% of CPU consumed by Thunderbird. Expected Results: Should not have hung.
Does this involve large text attachments? Does turning inline spell checking of help? If so -> duplicate of bug 324521, fixed for tb2).
No response from reporter, duping.
Status: UNCONFIRMED → RESOLVED
Last Resolved: 11 years ago
Resolution: --- → DUPLICATE
Duplicate of bug: 324521
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