On 2020-09-10, Jussi Laako <ju...@sonarnerd.net> wrote: > Hi, > > I had a problem that with Thunderbird / mobile clients accessing > alpine-based imapd server (imap-uw) over SSL/TLS, eventually the imapd > server process goes into busy-loop consuming all possible CPU time. > After a while the server was crawling with some tens or hundreds of > busy-looping imapd processes. > > I found out that this is caused by the TLS patch that was added in 6.7 > with header "Add workarounds to fix alpine with TLSv1.3". Involving > following patch: > patch-imap_src_osdep_unix_ssl_unix_c > > Removing this patch makes the problem go away. So I have to conclude > there's a problem in this patch. I suspect it may be related to > connection termination time. But I don't know enough about this TLS > implementation and API to know how to fix this. > > > Best regards, > > - Jussi > >
Which (if any) syspatches do you have - if not all of them, does that help? Please reply on ports@ where there's a higher chance the right people will see your mail (I've set followup-to, hopefully gmane will convert that into reply-to but I'm not 100% sure..)