Re: [gentoo-amd64] Re: kdm-4.10.5-r1 - 2+ minute login delay

[Mark Knecht]

On Sun, Aug 4, 2013 at 10:16 PM, Duncan <1i5t5.duncan@×××.net> wrote:
> Mark Knecht posted on Sun, 04 Aug 2013 16:46:22 -0700 as excerpted:
>
>> From previous concersations I assume a lot of folks here use KDE. I
>> run mostly stable and just updated to kde-4.10.5 which included an
>> update to kdm. It now seems that I'm plagued by a more than 2 minute
>> delay from entering my password until KDE flashes up the box showing
>> that KDE is starting up. Once KDE is up and running everything seems
>> normal. There are no messages in /dev/log/message that identify any
>> problems. Just a 2+ minute delay before much of anything occurs.
>>
>> Here's a small snippet of message showing the basic delay:
>
> [Snip log showing, indeed, a two minute delay...]
>
>> I Googled around for a while and got curious about whether this was
>> really a KDE problem so I emerged xfce4. It has the same 2 minute issue
>> so this appears to me more of a kdm issue as best I can tell right now.
>>
>> It's not anything obvious (to me) with networking delays as I can
>> sit in the console and ping web sites. No delays there. I got back to
>> the GUI and it's just waiting. I ran iotop in a console and there's
>> nothing going on. The machine is just hung for a couple of minutes.
>>
>> This just started in the last couple of days with this month's KDE
>> release.
>
> While I run kde, I don't run a *dm, preferring to login at the text
> console and run startx with XSESSION pointed at kde.  Additionally, I
> have USE=-policykit and USE=-consolekit (policykit was showing up in the
> log before the delay) set and don't have either one even on my system at
> all.  Similarly USE=-udisks and USE=-upower (those showed up after the
> delay), so I don't have those to worry about either.  So I have no direct
> help for you from that angle.
>
> However, what you report sounds very much like a timeout problem,
> something expected to already be running not being there, especially
> since both xfce and kde have the same two-minute delay and there's no I/O
> activity going on.
>
> You mentioned running iotop in a text console and it showing no i/o to
> speak of.  What about CPU activity as shown by regular top/htop , and/or
> load as shown by uptime?  If it's a timeout issue as I expect, that won't
> show any significant activity either.
>
> What I think is happening is that the system's waiting for a response,
> doing nothing but waiting for two minutes, until some timeout, after
> which it gives up and either starts it on its own or does without,
> depending on what it is that's missing.
>
> I don't know for sure what that might be, but I'd suggest checking to see
> if you have a system dbus running (dbus initscript), and if not, start
> that before you try a kde/xfce login, and see if your delay disappears.
>
> Another thing to check, since upower was the first thing logged after the
> delay, is your power profiles, and/or especially if you're on a
> wall-powered machine anyway, try setting USE=-upower and doing an
> emerge --newuse @world, and see if that helps.  (It's quite possible that
> upower/powerdevil are entirely innocent and have nothing to do with the
> problem; that it just happens that they're the first thing logged after
> the timeout, but it never hurts to check that, just to be sure.)
>
>
> When you do figure out the problem, please post what it was, as I'm
> curious, now.
>
> --
> Duncan - List replies preferred.   No HTML msgs.
> "Every nonfree program has a lord, a master --
> and if you use the program, he is your master."  Richard Stallman
>
>

Duncan,
   It's a great set of ideas. I'll work on that when i get a chance later today.

   If you get a chance could you please post whatever script you run
to start X this way. I haven't done this in years and it will save me
some time researching it.

Thanks,
Mark