[Bug 104873] Re: [apport] emacs21-x crashed with SIGSEGV

[Sebastien Bacher]

We are closing this bug report as it lacks the information, described in
the previous comments, we need to investigate the problem further.
However, please reopen it if you can give us the missing information and
don't hesitate to submit bug reports in the future.

** Changed in: emacs21 (Ubuntu)
   Importance: Undecided => Medium
   Status: Incomplete => Invalid

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[apport] emacs21-x crashed with SIGSEGV
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[Bug 104873] Re: [apport] emacs21-x crashed with SIGSEGV

[Apport retracing service]

** Attachment removed: "CoreDump.gz"

   http://launchpadlibrarian.net/7223768/CoreDump.gz

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Re: [Bug 104873] Re: [apport] emacs21-x crashed with SIGSEGV

[lvijay]

On 5/19/07, Micah Cowan <[EMAIL PROTECTED]> wrote:
> Running "strace emacs" should run it sufficiently slow to cause
> problems. :) I still couldn't reproduce it, though.
>

Indeed :-)  However, I haven't been able to reproduce it myself.  So I
guess it's best you assign a really low priority to this bug for now.
I'll keep trying to crash emacs with strace over the next few weeks
and report if anything happens.

Cheers
Vijay

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[Bug 104873] Re: [apport] emacs21-x crashed with SIGSEGV

[Micah Cowan]

Running "strace emacs" should run it sufficiently slow to cause
problems. :) I still couldn't reproduce it, though.

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Re: [Bug 104873] Re: [apport] emacs21-x crashed with SIGSEGV

[lvijay]

On 5/19/07, Micah Cowan <[EMAIL PROTECTED]> wrote:
> > Just now I wasn't able to either.  I tried using up as much memory as
> > possible (played video on youtube and ran SBCL) but it still refuses
> > to crash.
> >
> > Emacs used to crash quite often when I was running Feisty Fawn Beta
> > but doesn't happen very often now.  In fact, I had to take the extra
> > effort last time to make it crash and right now it refuses to happen
> > again.
>
> Do you mean that reproducing the problem requires a limited-memory
> environment?
>

I don't know if that is a requirement.  This is usually how it happens:

* I click on my emacs icon.
* The emacs main frame (window) opens but emacs hasn't fully loaded
yet (the usual emacs text isn't shown yet).
* I click on the emacs title bar and move the window around the screen.

The last time I tried this, I already had an emacs frame open so
clicking on my emacs icon opened emacs very quickly.  So I closed all
emacs frames and tried to exhaust my memory so emacs would open very
slowly, so I'd have the time lag between clicking and emacs fully
loading itself.

I just tried adding a (sleep-for 3) at the end of my ~/.emacs file and
kept moving emacs around but it refused to crash now.  Possibly
because I just closed it.

Is there any program to record a video of what you're doing?  I could
try that and upload it to youtube if I ever reproduce it.

Cheers
Vijay

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Re: [Bug 104873] Re: [apport] emacs21-x crashed with SIGSEGV

[Micah Cowan]

> Just now I wasn't able to either.  I tried using up as much memory as
> possible (played video on youtube and ran SBCL) but it still refuses
> to crash.
> 
> Emacs used to crash quite often when I was running Feisty Fawn Beta
> but doesn't happen very often now.  In fact, I had to take the extra
> effort last time to make it crash and right now it refuses to happen
> again.

Do you mean that reproducing the problem requires a limited-memory
environment?

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Re: [Bug 104873] Re: [apport] emacs21-x crashed with SIGSEGV

[lvijay]

On 5/19/07, Micah Cowan <[EMAIL PROTECTED]> wrote:
> Actually, the "yelp-dbgsym" is an example, in the event that yelp is
> crashing. In this case, you want emacs21-dbgsym.

Heh.  This is why I shouldn't try these things half asleep.  Sorry.
I've installed emacs21-dbgsym

> Also, could you tell me what window manager you're running? Is this
> Ubuntu, Xubuntu, Kubuntu?

I'm running Ubuntu.

> I couldn't reproduce the problem by dragging the title bar around. Is
> there anything else to it?

Just now I wasn't able to either.  I tried using up as much memory as
possible (played video on youtube and ran SBCL) but it still refuses
to crash.

Emacs used to crash quite often when I was running Feisty Fawn Beta
but doesn't happen very often now.  In fact, I had to take the extra
effort last time to make it crash and right now it refuses to happen
again.

I have emacs open at all times so I'll try doing it after a while.

> Thanks for helping me to look into this.

I hope I do help.

Cheers
Vijay

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[apport] emacs21-x crashed with SIGSEGV
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[Bug 104873] Re: [apport] emacs21-x crashed with SIGSEGV

[Micah Cowan]

Actually, the "yelp-dbgsym" is an example, in the event that yelp is
crashing. In this case, you want emacs21-dbgsym.

Also, could you tell me what window manager you're running? Is this
Ubuntu, Xubuntu, Kubuntu?

I couldn't reproduce the problem by dragging the title bar around. Is
there anything else to it?

Thanks for helping me to look into this.

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[apport] emacs21-x crashed with SIGSEGV
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Re: [Bug 104873] Re: [apport] emacs21-x crashed with SIGSEGV

[lvijay]

I've installed yelp-dbg and reproduced the bug -- emacs crashed -- but
Ubuntu did not ask me if I wanted to submit a bug report.  Actually,
emacs crashed but it did not close when I tried.  I had to do "$ kill
`pgrep emacs`" to kill it.

Emacs crashes this way when, upon opening it, I click and drag the
emacs title bar around the screen.

I hope this helps.

Cheers
Vijay

On 5/17/07, Micah Cowan <[EMAIL PROTECTED]> wrote:
> Thanks for your bug report. Please try to obtain a backtrace
>  and attach the file to
> the bug report. This will greatly help us in tracking down your problem.
>
> ** Changed in: emacs21 (Ubuntu)
>  Assignee: (unassigned) => Micah Cowan
>Status: Unconfirmed => Needs Info
>
> --
> [apport] emacs21-x crashed with SIGSEGV
> https://bugs.launchpad.net/bugs/104873
> You received this bug notification because you are a direct subscriber
> of the bug.
>

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[Bug 104873] Re: [apport] emacs21-x crashed with SIGSEGV

[Micah Cowan]

Thanks for your bug report. Please try to obtain a backtrace
 and attach the file to
the bug report. This will greatly help us in tracking down your problem.

** Changed in: emacs21 (Ubuntu)
 Assignee: (unassigned) => Micah Cowan
   Status: Unconfirmed => Needs Info

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[Bug 104873] Re: [apport] emacs21-x crashed with SIGSEGV

[Apport retracing service]

StacktraceTop:?? ()

** Tags removed: need-i386-retrace

** Attachment added: "Stacktrace.txt (retraced)"
   http://librarian.launchpad.net/7681798/%3Cfdopen%3E

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[Bug 104873] Re: [apport] emacs21-x crashed with SIGSEGV

[Micah Cowan]

** Tags added: need-i386-retrace

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[Bug 104873] Re: [apport] emacs21-x crashed with SIGSEGV

[lvijay]

** Attachment added: "CoreDump.gz"
   http://librarian.launchpad.net/7223768/CoreDump.gz

** Attachment added: "Dependencies.txt"
   http://librarian.launchpad.net/7223769/Dependencies.txt

** Attachment added: "ProcMaps.txt"
   http://librarian.launchpad.net/7223770/ProcMaps.txt

** Attachment added: "ProcStatus.txt"
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** Attachment added: "Registers.txt"
   http://librarian.launchpad.net/7223772/Registers.txt

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