Hi,

since two days I have the problem that I can not use Firefox
(3.6.4-1.fc13.x86_64) anymore as it will crash as soon as I visit any
SSL-secured web site [1]. I'm NOT using any non-free plugins like Adobe
Flash.

As you can imagine, this is pretty annoying. I even reinstalled firefox
and created a new system user to check if this was dependend on my
profile but it was not.

As no one else mentioned this problem on the list so far (did I overlook
something), I guess it's something related to my installation.

How I can diagnose the issue?
Can someone makes sense of the traceback which is attached to the bug
report in [1]?

fs

[1] https://bugzilla.redhat.com/show_bug.cgi?id=611297
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On Tue, 2010-07-06 at 16:04 +0200, Felix Schwarz wrote:
> Hi,
>
> since two days I have the problem that I can not use Firefox
> (3.6.4-1.fc13.x86_64) anymore as it will crash as soon as I visit any
> SSL-secured web site [1]. I'm NOT using any non-free plugins like Adobe
> Flash.

Free plugins can also be buggy. Always run FF in safe mode before
deciding that plugins are not at fault.

poc

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try

strace firefox

and you may see, when loading which library/config-file/whatever firefox
breaks.

suomi

On 2010-07-06 16:11, Patrick O'Callaghan wrote:
> On Tue, 2010-07-06 at 16:04 +0200, Felix Schwarz wrote:
>> Hi,
>>
>> since two days I have the problem that I can not use Firefox
>> (3.6.4-1.fc13.x86_64) anymore as it will crash as soon as I visit any
>> SSL-secured web site [1]. I'm NOT using any non-free plugins like Adobe
>> Flash.
>
> Free plugins can also be buggy. Always run FF in safe mode before
> deciding that plugins are not at fault.
>
> poc
>
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Am 06.07.2010 16:11, schrieb Patrick O'Callaghan:
>> since two days I have the problem that I can not use Firefox
>> (3.6.4-1.fc13.x86_64) anymore as it will crash as soon as I visit any
>> SSL-secured web site [1]. I'm NOT using any non-free plugins like Adobe
>> Flash.
>
> Free plugins can also be buggy. Always run FF in safe mode before
> deciding that plugins are not at fault.

sorry, maybe I was not clear enough when I wrote: "I even reinstalled
firefox and created a new system user to check if this was dependend on
my profile but it was not."

So yes, I started Firefox with 'firefox -safe-mode' and the browser
still crashes. Using the safe mode basically rules out plugins as a
source of my problems, right?

fs
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Am 06.07.2010 16:51, schrieb fedora:
> strace firefox

I used that one so I can see the actual syscall of the binary:
strace /usr/lib64/firefox-3.6/firefox -safe-mode

> and you may see, when loading which library/config-file/whatever firefox
> breaks.

Thanks for the suggestion. However I can't make much sense out of it.
Basically what I see at the end just before the crash is a lot
(dozens/hundreds?) of lines like this one:
read(3, 0x7f50f1383074, 4096) = -1 EAGAIN (Resource
temporarily unavailable)
poll([{fd=4, events=POLLIN}, {fd=3, events=POLLIN}, {fd=8,
events=POLLIN|POLLPRI}, {fd=24, events=POLLIN|POLLPRI}, {fd=25,
events=POLLIN|POLLPRI}, {fd=26, events=POLLIN|POLLPRI}, {fd=10,
events=POLLIN|POLLPRI}, {fd=35, events=POLLIN}, {fd=55, events=POLLIN},
{fd=17, events=POLLIN}], 10, 500 <unfinished ...>

The only thing that looks a bit differently (beside a couple of futexes) is:
read(24, "GIOP1211U", 12) = 12

Anything I could watch out for?
Does anyone has experience how open the Firefox developers are if I
report a crash with a Fedora firefox on b.m.o?

fs
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Felix Schwarz writes:


Hi,

since two days I have the problem that I can not use Firefox
(3.6.4-1.fc13.x86_64) anymore as it will crash as soon as I visit any
SSL-secured web site [1]. I'm NOT using any non-free plugins like Adobe
Flash.


As you can imagine, this is pretty annoying. I even reinstalled firefox
and created a new system user to check if this was dependend on my
profile but it was not.


As no one else mentioned this problem on the list so far (did I overlook
something), I guess it's something related to my installation.


How I can diagnose the issue?
Can someone makes sense of the traceback which is attached to the bug
report in [1]?


Two things occur to me:

1) Looks like you're invoking Firefox in a German locale. Try starting
firefox in en_US:


LC_ALL=en_US.utf-8 firefox

This would eliminate a locale-dependent issue.

2) Run memtest86 to check for bad RAM.

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On Tue, 2010-07-06 at 19:39 +0200, Felix Schwarz wrote:
> Am 06.07.2010 16:11, schrieb Patrick O'Callaghan:
> >> since two days I have the problem that I can not use Firefox
> >> (3.6.4-1.fc13.x86_64) anymore as it will crash as soon as I visit any
> >> SSL-secured web site [1]. I'm NOT using any non-free plugins like Adobe
> >> Flash.
> >
> > Free plugins can also be buggy. Always run FF in safe mode before
> > deciding that plugins are not at fault.
>
> sorry, maybe I was not clear enough when I wrote: "I even reinstalled
> firefox and created a new system user to check if this was dependend on
> my profile but it was not."

Instead of reinstalling it you could run "rpm -V firefox" to see if
anything had changed.

> So yes, I started Firefox with 'firefox -safe-mode' and the browser
> still crashes. Using the safe mode basically rules out plugins as a
> source of my problems, right?

Yes, but that's not what you said earlier. Never mind.

poc

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Am 06.07.2010 20:23, schrieb Sam Varshavchik:
> 1) Looks like you're invoking Firefox in a German locale. Try starting
> firefox in en_US:
>
> LC_ALL=en_US.utf-8 firefox

Thanks for your suggestion! However the symtoms are exactly the same.
I created bug https://bugzilla.redhat.com/show_bug.cgi?id=612452 to note
my findings (separate from bug 611297 because abrtd does not show up for
my new experiment so I'm not sure if this is the same bug.

> 2) Run memtest86 to check for bad RAM.

Not yet done but I'll try. However I do not see the problem in any other
app/usage pattern.

fs
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