Strange Extension Crashes

[HL]

Hello,

I'm developing a chrome extension that uses the Event Page API. I'm also using the alarm API.

For some some users there are strage and often crashes of the extension.

This is the Chrome's log :

[2545:39683:0421/181857:VERBOSE1:resource_loader.cc(336)] OnResponseStarted: http://1-act.channel.facebook.com/pull?channel=p_840918375&seq=1&partition=160&clienti$

[2545:39683:0421/181857:VERBOSE1:buffered_resource_handler.cc(275)] To buffer: http://1-act.channel.facebook.com/pull?channel=p_840918375&seq=1&partition=160&clien$

[2545:39683:0421/181857:VERBOSE1:resource_loader.cc(376)] OnReadCompleted: "http://1-act.channel.facebook.com/pull?channel=p_840918375&seq=1&partition=160&clientid$

[2545:39683:0421/181857:VERBOSE1:resource_loader.cc(376)] OnReadCompleted: "http://1-act.channel.facebook.com/pull?channel=p_840918375&seq=1&partition=160&clientid$

[2545:39683:0421/181857:VERBOSE1:resource_loader.cc(627)] ResponseCompleted: http://1-act.channel.facebook.com/pull?channel=p_840918375&seq=1&partition=160&clienti$

[2545:39683:0421/181916:VERBOSE1:resource_loader.cc(336)] OnResponseStarted: https://secure.onefeed.me/v2/notifications

[2545:39683:0421/181916:VERBOSE1:resource_loader.cc(376)] OnReadCompleted: "https://secure.onefeed.me/v2/notifications" bytes_read = 601

[2545:39683:0421/181916:VERBOSE1:resource_loader.cc(376)] OnReadCompleted: "https://secure.onefeed.me/v2/notifications" bytes_read = 0

[2545:39683:0421/181916:VERBOSE1:resource_loader.cc(627)] ResponseCompleted: https://secure.onefeed.me/v2/notifications

[2545:3079:0421/181916:INFO:CONSOLE(1)] "Error query notifications", source: chrome-extension://cidjbmjjebfhfjodbphfklcmknafddmb/js/modules/ReadOnlyResource.js (1)

[2545:39683:0421/181919:VERBOSE1:resource_loader.cc(376)] OnReadCompleted: "https://0.docs.google.com/spreadsheet/fm/bind?id=tU5EKn3M6jmpqfxKTtFhhWw.02974577669273$

[2545:39683:0421/181919:VERBOSE1:resource_loader.cc(376)] OnReadCompleted: "https://0.docs.google.com/spreadsheet/fm/bind?id=tU5EKn3M6jmpqfxKTtFhhWw.02974577669273$

[2545:39683:0421/181919:VERBOSE1:resource_loader.cc(627)] ResponseCompleted: https://0.docs.google.com/spreadsheet/fm/bind?id=tU5EKn3M6jmpqfxKTtFhhWw.0297457766927$

[2545:39683:0421/181919:VERBOSE1:resource_loader.cc(336)] OnResponseStarted: https://0.docs.google.com/spreadsheet/fm/bind?id=tU5EKn3M6jmpqfxKTtFhhWw.0297457766927$

[2545:39683:0421/181919:VERBOSE1:resource_loader.cc(376)] OnReadCompleted: "https://0.docs.google.com/spreadsheet/fm/bind?id=tU5EKn3M6jmpqfxKTtFhhWw.02974577669273$

[3475:1799:0421/181931:VERBOSE1:dispatcher.cc(873)] Num tracked contexts: 1

[3475:1799:0421/181931:VERBOSE1:chrome_v8_context.cc(50)] Destroyed context for extension

  extension id: cidjbmjjebfhfjodbphfklcmknafddmb

[3475:1799:0421/181931:VERBOSE1:chrome_v8_context.cc(126)] Could not execute chrome hidden method: dispatchOnUnload

[3475:1799:0421/181931:VERBOSE1:dispatcher.cc(873)] Num tracked contexts: 0

[3475:1799:0421/181931:VERBOSE1:chrome_v8_context.cc(50)] Destroyed context for extension

  extension id:

[3475:18951:0421/181931:VERBOSE1:ipc_sync_channel.cc(385)] Canceling pending sends

[2545:39683:0421/181937:VERBOSE1:resource_loader.cc(336)] OnResponseStarted: https://docs.google.com/spreadsheet/health/checkreload?id=tU5EKn3M6jmpqfxKTtFhhWw.0297$

[2545:39683:0421/181937:VERBOSE1:resource_loader.cc(376)] OnReadCompleted: "https://docs.google.com/spreadsheet/health/checkreload?id=tU5EKn3M6jmpqfxKTtFhhWw.02974$

[2545:39683:0421/181937:VERBOSE1:resource_loader.cc(376)] OnReadCompleted: "https://docs.google.com/spreadsheet/health/checkreload?id=tU5EKn3M6jmpqfxKTtFhhWw.02974$

[2545:39683:0421/181937:VERBOSE1:resource_loader.cc(627)] ResponseCompleted: https://docs.google.com/spreadsheet/health/checkreload?id=tU5EKn3M6jmpqfxKTtFhhWw.0297$

It seems like this is the problem : "Could not execute chrome hidden method: dispatchOnUnload"

Does anyone have an idea what is the problem causing these bugs ?

Thanks!

[Benjamin Kalman]

I may have found the bug - are you able to figure out the Chrome version that these errors are for? Are you able to repro it? It would be great if you could file a bug with any info you have.

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[Benjamin Kalman]

I would guess that it happens if an extension's event page runs without ever making an API call. This would seem a pretty likely thing to happen with event pages + alarms API.

[Benjamin Kalman]

I can repro this but it doesn't cause a crash.

[HL]

Hi,

Hi thanks so much.

I cannot repro this bug, it happens occasionally on my friends mac running chrome 26.0.1410.65.

What do you mean by 'extension's event page runs without ever making an API call' ??

Thanks,

Hadar.

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[Benjamin Kalman]

On Mon, May 6, 2013 at 4:47 AM, HL <hla...@gmail.com> wrote:

What do you mean by 'extension's event page runs without ever making an API call' ??

The extension system is initialised lazily - only after the first call to extension APIs. However, the bug is that the extension unload logic runs regardless of whether it was initialised or not. This is what may be causing the problems, but I can't repro it.