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Mac Forum / Country Specific / UK Mac Group / May 2008



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Odd progressive crash

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zoara - 13 May 2008 17:56 GMT
I'm constantly getting this weird 'progressive crash'. It starts with
the airport network dropping out (the other Mac doesn't even notice, so
the network itself is fine).

The airport icon greys out, but everything else seems normal. At least,
at first it does. I can switch apps - and use them - as long as I can
click their windows on the desktop.

If I mouse over the menubar extras (by the clock), they work once - eg
they'll drop down a menu - then they beachball. The dock acts the same.
Then, a few moments later, the whole machine beachballs, and only a
forced restart (holding down the power button) seems to fix it.
Temporarily. Pressing the power button brings up the shutdown dialog,
but it doesn't work.

I have just restarted a few minutes ago, and it's done it again whilst
writing this post.

Any ideas?

       -zoara-

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"Ignorance more frequently begets confidence than does knowledge."
                                    - Charles Darwin

David Kennedy - 14 May 2008 11:24 GMT
> Any ideas?

Check that your AppleCare is up to date immediately.
zoara - 14 May 2008 16:33 GMT
David Kennedy
<davidkennedy@nospamformethanksverymuchyoubastards.invalid> wrote:

> > Any ideas?
>
> Check that your AppleCare is up to date immediately.

Heh. Good point. I think that the machine is a few weeks over a year
old, so it's just when Fate will be rubbing her hands with
anticipation...

       -z-

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"Ignorance more frequently begets confidence than does knowledge."
                                    - Charles Darwin

David Kennedy - 14 May 2008 16:59 GMT
> David Kennedy
> <davidkennedy@nospamformethanksverymuchyoubastards.invalid> wrote:
[quoted text clipped - 5 lines]
> old, so it's just when Fate will be rubbing her hands with
> anticipation...

Ah well...

Still, hopefully, things are now resolved for you.
Jim - 14 May 2008 11:34 GMT
> I'm constantly getting this weird 'progressive crash'. It starts with
> the airport network dropping out (the other Mac doesn't even notice, so
[quoted text clipped - 13 lines]
> I have just restarted a few minutes ago, and it's done it again whilst
> writing this post.

Any MenuExtra-type additions? iStatMenu, MenuMeters, that sort of thing?

Jim
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"Sometimes when I talk to a Windows person about using a Mac,
I feel like I'm explaining Van Halen to a horse." Merlin Mann

zoara - 14 May 2008 16:33 GMT
> > I'm constantly getting this weird 'progressive crash'. It starts with
> > the airport network dropping out (the other Mac doesn't even notice, so
[quoted text clipped - 15 lines]
>
> Any MenuExtra-type additions? iStatMenu, MenuMeters, that sort of thing?

Yup (iStat Menus, Caffeine and iScrobbler), but removing them made no
difference. It seems to be Transmission 1.2 as I downgraded to a
previous version and it isn't doing it any more. But I'll keep an eye on
it.

       -zoara-

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"Ignorance more frequently begets confidence than does knowledge."
                                    - Charles Darwin

Jaimie Vandenbergh - 14 May 2008 11:45 GMT
>I'm constantly getting this weird 'progressive crash'. It starts with
>the airport network dropping out (the other Mac doesn't even notice, so
[quoted text clipped - 13 lines]
>I have just restarted a few minutes ago, and it's done it again whilst
>writing this post.

Any Console messages? The network falling over should leave some
traces.

    Cheers - Jaimie
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zoara - 14 May 2008 16:33 GMT
> >I'm constantly getting this weird 'progressive crash'. It starts with
> >the airport network dropping out (the other Mac doesn't even notice, so
[quoted text clipped - 16 lines]
> Any Console messages? The network falling over should leave some
> traces.

Oddly, no. I meant to mention that. It just... stops. There's nothing
consistent in the logs before a crash. However, see my followup - I
think it's Transmission.

       -z-

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"Ignorance more frequently begets confidence than does knowledge."
                                    - Charles Darwin

Stewart Smith - 14 May 2008 17:21 GMT
> Oddly, no. I meant to mention that. It just... stops. There's nothing
> consistent in the logs before a crash. However, see my followup - I
> think it's Transmission.

Oddly I had similar problems leading to a lock up but with the pre 1.2
version of Transmission.  Usually happened when I'd just tried to shut
it down or pause all torrents in order to use the net for something else.

Stewart
Flavio Matani - 14 May 2008 11:53 GMT
> I'm constantly getting this weird 'progressive crash'. It starts with
> the airport network dropping out (the other Mac doesn't even notice, so
[quoted text clipped - 15 lines]
>
> Any ideas?

Hm, I wonder. I sometimes get something similar on the mini, but it
doesn't start on the network. It is often Safari or Mail who seem to
initiate the debacle... slow at first, a bit of beach-balling, then the
other apps and the Finder seem to get the contagion...

Sorry, this was not a very helpful post, but it does look similar, even
though the trigger does seem to be a different one.

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Jim - 14 May 2008 12:01 GMT
> Hm, I wonder. I sometimes get something similar on the mini, but it
> doesn't start on the network. It is often Safari or Mail who seem to
[quoted text clipped - 3 lines]
> Sorry, this was not a very helpful post, but it does look similar, even
> though the trigger does seem to be a different one.

Actually, now you mention it I've seen it a couple of times here as well. I
was leaning towards it being some sort of problem with either Parallels or
Transmission, but it's just a gut feeling. Hence probably wrong.

Jim
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I feel like I'm explaining Van Halen to a horse." Merlin Mann

zoara - 14 May 2008 16:33 GMT
> > Hm, I wonder. I sometimes get something similar on the mini, but it
> > doesn't start on the network. It is often Safari or Mail who seem to
[quoted text clipped - 7 lines]
> was leaning towards it being some sort of problem with either Parallels or
> Transmission, but it's just a gut feeling. Hence probably wrong.

Which version of Transmission?

       -z-

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Jim - 14 May 2008 16:36 GMT
>> > Hm, I wonder. I sometimes get something similar on the mini, but it
>> > doesn't start on the network. It is often Safari or Mail who seem to
[quoted text clipped - 9 lines]
>
> Which version of Transmission?

Current. Updated a few days ago, and I've had at least one occurance similar
to that which you describe.

I just can't remember if it's happened before though. I think it has.

10.5.2, yes?

Jim
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"Sometimes when I talk to a Windows person about using a Mac,
I feel like I'm explaining Van Halen to a horse." Merlin Mann

Chris Ridd - 14 May 2008 17:30 GMT
>>>> Hm, I wonder. I sometimes get something similar on the mini, but it
>>>> doesn't start on the network. It is often Safari or Mail who seem to
[quoted text clipped - 16 lines]
>
> 10.5.2, yes?

Transmission 1.20 has been fine with my 10.5.2 machine, for what that's
worth. But then I've not been diddling with my network settings or
anything...

Cheers,

Chris
zoara - 15 May 2008 01:03 GMT
> >> > Hm, I wonder. I sometimes get something similar on the mini, but it
> >> > doesn't start on the network. It is often Safari or Mail who seem to
[quoted text clipped - 12 lines]
> Current. Updated a few days ago, and I've had at least one occurance similar
> to that which you describe.

Hmmm. I might post on their forums.

> I just can't remember if it's happened before though. I think it has.

With me it was obvious (with hindsight). Lockups would be regular,
sometimes only a few minutes, other times as much as a few hours (but,
retrospectively, I think those long-times were when I wasn't running
Transmission). Since I downgraded, it's been running sweet all day.

I need to get all my menu extras back up and running though, see whether
it happens again.

> 10.5.2, yes?

Bingo.

       -zoara-

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Peter Ceresole - 14 May 2008 17:22 GMT
> Actually, now you mention it I've seen it a couple of times here as well. I
> was leaning towards it being some sort of problem with either Parallels or
> Transmission, but it's just a gut feeling. Hence probably wrong.

I've never seen anything like that, but then I've never used 10.5,
whereas all you up-to-daters probably do.

D'you suppose it's one of those new-fangled Leopard buglets?
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Peter

Flavio Matani - 14 May 2008 21:07 GMT
> > Actually, now you mention it I've seen it a couple of times here as well. I
> > was leaning towards it being some sort of problem with either Parallels or
[quoted text clipped - 4 lines]
>
> D'you suppose it's one of those new-fangled Leopard buglets?

I have the clear impression that it had happened to me a few times in
Tiger.

But then, we tend to construct the past in accordance to... whatever it
is that makes us do..

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Jim - 14 May 2008 21:11 GMT
> > Actually, now you mention it I've seen it a couple of times here as well. I
> > was leaning towards it being some sort of problem with either Parallels or
[quoted text clipped - 4 lines]
>
> D'you suppose it's one of those new-fangled Leopard buglets?

Hard to say in my case - I've certainly only noticed it with 10.5
(10.5.2 to be precise) but I'm also fairly sure I never saw it happen
before I started using Parallels and/or Transmission.

Or it could be that Bella has unleashed the great Cumberland Undead
Layercake.

Jim
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Flavio Matani - 14 May 2008 21:16 GMT
> > > Actually, now you mention it I've seen it a couple of times here as
> > > well. I was leaning towards it being some sort of problem with either
[quoted text clipped - 12 lines]
> Or it could be that Bella has unleashed the great Cumberland Undead
> Layercake.

I would have kept quiet about that one if I were you. Now it's too
late....

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Jim - 14 May 2008 21:25 GMT
> > Hard to say in my case - I've certainly only noticed it with 10.5
> > (10.5.2 to be precise) but I'm also fairly sure I never saw it happen
[quoted text clipped - 5 lines]
> I would have kept quiet about that one if I were you. Now it's too
> late....

Fah. I fear not the great Cumberland Undead Layercake, for I am in
posession of the Auchtermuchty Eggwhisk Of Beatiness. It's this box
over...er...[rummage]...um...[rummage][rummage][wibble]...

We may be screwed.

Jim
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Roll credits.

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zoara - 14 May 2008 13:29 GMT
> I have just restarted a few minutes ago, and it's done it again whilst
> writing this post.
>
> Any ideas?

Touching wood here, but since downgrading Transmission to 1.11 it seems
to be okay. I realised that the problems seem to have started since
about the time I installed 1.20 - not sure quite what it could be doing
to cause those problems though, erk.

       -z-

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"Ignorance more frequently begets confidence than does knowledge."
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Jaimie Vandenbergh - 14 May 2008 14:03 GMT
>> I have just restarted a few minutes ago, and it's done it again whilst
>> writing this post.
[quoted text clipped - 5 lines]
>about the time I installed 1.20 - not sure quite what it could be doing
>to cause those problems though, erk.

It could be spinning out too many connections per second for the OS X
network stack to cope with, or some other similar thing. The console
log would probably tell you that parts of the stack had given up and
died, though.

    Cheers - Jaimie
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zoara - 15 May 2008 01:03 GMT
> >> I have just restarted a few minutes ago, and it's done it again whilst
> >> writing this post.
[quoted text clipped - 10 lines]
> log would probably tell you that parts of the stack had given up and
> died, though.

Well, it's done it again - but this time, some progress; it was a proper
kernel panic, and the panic report revealed that it was Transmission.

I did up the number of connections (though this was some time ago)
thinking that there was no real downside except a slower connection, so
I've put them back down to something more sensible now.

Let's see what happens.

       -zoara-

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Rowland McDonnell - 14 May 2008 21:30 GMT
[snip]

> Any ideas?

Nope, and I'm fairly sure this isn't relevant to what you're seeing,
but:

Most times I get progressive weirdness of a pattern I recognise as
inevitably leading to the machine just locking up, restarting
SystemUIServer process sorts it out.

Just thought I'd throw it into the pot.

Transmission 1.2 has been run here for extended periods without it
causing any trouble that I have noticed - 4G5, MacOS X 10.4.11, wired
Ethernet to ADSL via a BT Home Hub.

Rowland.

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