Passphrase prompt only working once per launch - OS X Thunderbird 24.0

[Matt MacLeod]

Hello,

Since I upgraded to Thunderbird 24.0 on OS X (Enigmail 1.5.2), I've been
having an intermittent problem sending mail. I finally traced it to
Enigmail - the first time I send mail upon opening Thunderbird I'm
prompted for my password and everything is fine, and I can continue to
send mail (by default signing mail) as long as the passphrase is cached.
Once it expires from the cache, however, I just get "Sending of message
failed" (along with a note to re-check my settings) unless I disable
signing. If I open one of the key management functions to force
re-entering of my passphrase, I can then send signed mail again.

Any ideas? I've used enigmail for years, and this is the first major
problem I'm hit.

Thanks,

Matt

[Patrick Brunschwig]

Please attach a debug log file

[Matt MacLeod]

See attached (the log has me sending one email at around 13:39, waiting 5 minutes for my passphrase to expire, then sending again. The relevant bit seems to be:

2013-09-29 13:40:41.246 enigmailCommon.jsm: haveCachedPassphrase: CACHE IDLED OUT
2013-09-29 13:40:41.246 [ERROR] mimeEncrypt.js: caught exception: NS_ERROR_NOT_AVAILABLE
Message: 'Cannot call openModalWindow on a hidden window'
File: undefined
Line: 382
Stack: undefined

Matt

[Matt MacLeod]

Weirdly, if I wait until Thunderbird wants to auto-save a draft, I then get successfully prompted for my passphrase again, and can then send the mail.

[Patrick Brunschwig]

Ah, I see. This is a known problem - see [bugs:#175]. You can use the latest nightly build to avoid this: https://www.enigmail.net/download/nightly.php