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Crashing, and restored session missing some tabs that were open.

Kuphostiwe

I happen to get frequent crashes of Firefox.

It may have to do with having many tabs opens at once. (Maybe 150 or more). Is there a way you can verify if too many open tabs is causing crashes?

Then when I restart, and indicate to Firefox to do a restore, many times I will find that new tabs recently opened are not all restored.

Likewise, when I delete tabs, many times on a restore those 'deleted' tabs are 'restored' also!

I have tried to go though the tabs to delete them, thinking that fewer tabs might mean less crashes. But I have given up on that seeing that I often crash in the midst of doing deletions.

It's like a going in a circle.

I happen to get frequent crashes of Firefox. It may have to do with having many tabs opens at once. (Maybe 150 or more). Is there a way you can verify if too many open tabs is causing crashes? Then when I restart, and indicate to Firefox to do a restore, many times I will find that new tabs recently opened are not all restored. Likewise, when I delete tabs, many times on a restore those 'deleted' tabs are 'restored' also! I have tried to go though the tabs to delete them, thinking that fewer tabs might mean less crashes. But I have given up on that seeing that I often crash in the midst of doing deletions. It's like a going in a circle.

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Eminye Imininingwane

Umnikazi wombuzo

Update...Firefox crashed again at 12:57 am.

After I restarted/restored the sessionstore.js file time stamp is now updated to 12:57am, then 12:58, then 12:59 - it's saving again every 60 seconds, which is what the session store interval variable is set to.

This is the 2nd time, that after a crash it seems to, at least initially, start backing up the session correctly. I wonder how long it will go for this time?

I think I only lost 1 tab this time, since I was opening and deleting tabs on the fly for the last few hours.

Update...Firefox crashed again at 12:57 am. After I restarted/restored the sessionstore.js file time stamp is now updated to 12:57am, then 12:58, then 12:59 - it's saving again every 60 seconds, which is what the session store interval variable is set to. This is the 2nd time, that after a crash it seems to, at least initially, start backing up the session correctly. I wonder how long it will go for this time? I think I only lost 1 tab this time, since I was opening and deleting tabs on the fly for the last few hours.
cor-el
  • Top 10 Contributor
  • Moderator
17528 izisombululo 158478 izimpendulo
Kuphostiwe

Maybe Firefox is crashing because there is a problem with creating the sessionstore.js file.

Which security software (firewall, anti-virus) do you have?

Boot the computer in Windows Safe mode with network support (press F8 on the boot screen) as a test to see if that helps.

Maybe Firefox is crashing because there is a problem with creating the sessionstore.js file. Which security software (firewall, anti-virus) do you have? Boot the computer in Windows Safe mode with network support (press F8 on the boot screen) as a test to see if that helps.

Umnikazi wombuzo

I have F-Secure Antivirus, comes with WOW cable/Internet. I also have windows defender, which look like it is active.

F-secure also has builtin firewall software.

I checked and windows vista firewall is turned off.

I will try running in safe mode for a while.

It seems like it updates to the sessionstore file go on for an hour or so, after a restart/restore - then stops.

I have F-Secure Antivirus, comes with WOW cable/Internet. I also have windows defender, which look like it is active. F-secure also has builtin firewall software. I checked and windows vista firewall is turned off. I will try running in safe mode for a while. It seems like it updates to the sessionstore file go on for an hour or so, after a restart/restore - then stops.
cor-el
  • Top 10 Contributor
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17528 izisombululo 158478 izimpendulo
Kuphostiwe

Firefox creates a new sessionstore.js every 15 seconds, so that makes 4 in a minute and 240 in an hour. If your security software tries to keep track of the file(s) then it is possible that it fails at some point.

Firefox creates a new sessionstore.js every 15 seconds, so that makes 4 in a minute and 240 in an hour. If your security software tries to keep track of the file(s) then it is possible that it fails at some point.

Umnikazi wombuzo

Cor-el,

Per suggestion of jscher2000, I had set the interval to 60 seconds with browser.sessionstore.interval in about:config.

I am at the moment running in windows safe mode. Have been for an hour or more.

I have noticed something interesting, maybe this is old news to you, or maybe it is a symptom of my problem, but the sessionstore.js file is not getting updated ever minute, in this particular session.

I have noticed that if I do not open new pages/tabs, the date stamp for sessionstore.js remains unchanged. I have stayed on the same page for 20 minutes, and no timestamp data was updated. But the moment I open a new page/tab, the file gets updated with a timestamp that is current to the latest minute.

Now this seems different, as I recall, from the session last night not running in windows safe mode. In that session i recall the time stamp was updated every minute - regardless to whether I opened a new page/tab. In that session the file eventually stopped getting an updated timestamp - after about 90 minutes - even when I opened new pages. (I will verify my recollection is accurate after I end this windows safe mode session later. Maybe I am confused.)

I will give this session I am in testing under safe mode another hour or so, and see if the timestamp eventually stops updating as I open new windows.

Does it make any sense to you why the timestamp update would function differently in firefox under windows safe mode verus just normally running under windows?

Cor-el, Per suggestion of jscher2000, I had set the interval to 60 seconds with '''browser.sessionstore.interval''' in '''about:config'''. I am at the moment running in windows safe mode. Have been for an hour or more. I have noticed something interesting, maybe this is old news to you, or maybe it is a symptom of my problem, but the '''sessionstore.js''' file is not getting updated ever minute, in this particular session. I have noticed that if I do not open new pages/tabs, the date stamp for '''sessionstore.js''' remains unchanged. I have stayed on the same page for 20 minutes, and no timestamp data was updated. But the moment I open a new page/tab, the file gets updated with a timestamp that is current to the latest minute. Now this seems different, as I recall, from the session last night not running in windows safe mode. In that session i recall the time stamp was updated every minute - regardless to whether I opened a new page/tab. In that session the file eventually stopped getting an updated timestamp - after about 90 minutes - even when I opened new pages. (I will verify my recollection is accurate after I end this windows safe mode session later. Maybe I am confused.) I will give this session I am in testing under safe mode another hour or so, and see if the timestamp eventually stops updating as I open new windows. Does it make any sense to you why the timestamp update would function differently in firefox under windows safe mode verus just normally running under windows?
cor-el
  • Top 10 Contributor
  • Moderator
17528 izisombululo 158478 izimpendulo
Kuphostiwe

If there is no new data that has to be saved to the sessionstore.js file then there is no need to create a new file. Cookies and some form data may also be stored apart from the currently open tabs and windows and the tab history (back/forward) and closed tabs/windows (undo).

If there is no new data that has to be saved to the sessionstore.js file then there is no need to create a new file. Cookies and some form data may also be stored apart from the currently open tabs and windows and the tab history (back/forward) and closed tabs/windows (undo).

Umnikazi wombuzo

Well I left the pc in safe mode overnight. the sessionstore.js file's timestamp did not get updated overnight(no firefox activity), but when I refreshed some tabs this morning it started having the timestamp updated again. So that was about 12 hours and still kept updating the sessionstore.js file. (I know that when not under safe mode, after sitting overnight, that update quit happening even after I started using Firefox the next morning. It seems that updates only happen for a few hours when running in regular windows Vista mode).

Yes, I see some cookies.sqlite, places.sqlite, places.sqlit-wal, and prefs.js files also being updated (timestamps changing) somewhat in synch with sessionstore.js being updated.

If it's possible that my F-secure antivrus is the culprit, then would there be a particular way to test that? I know I can turn that off, but other than that?

Also, did that mean that f-secure was not running under windows safe mode? Is that something unique to running in safe mode?

Well I left the pc in safe mode overnight. the '''sessionstore.js''' file's timestamp did not get updated overnight(no firefox activity), but when I refreshed some tabs this morning it started having the timestamp updated again. So that was about 12 hours and still kept updating the '''sessionstore.js''' file. (I know that when not under safe mode, after sitting overnight, that update quit happening even after I started using Firefox the next morning. It seems that updates only happen for a few hours when running in regular windows Vista mode). Yes, I see some '''cookies.sqlite''', '''places.sqlite''', '''places.sqlit-wal''', and '''prefs.js''' files also being updated (timestamps changing) somewhat in synch with sessionstore.js being updated. If it's possible that my F-secure antivrus is the culprit, then would there be a particular way to test that? I know I can turn that off, but other than that? Also, did that mean that f-secure was not running under windows safe mode? Is that something unique to running in safe mode?

Okulungisiwe ngu mnalep

Umnikazi wombuzo

I have indentified how I can exclude the file sessionstore.js from being scanned.

I just am not sure that is a safe thing to do?

Do you know?

I have indentified how I can exclude the file sessionstore.js from being scanned. I just am not sure that is a safe thing to do? Do you know?
jscher2000
  • Top 10 Contributor
8758 izisombululo 71663 izimpendulo
Kuphostiwe

Hi Matt, in normal operation, Firefox will be adding information about tabs such as the addresses of pages opened in the tab, and the cookies set by those pages. The file is written as a block of data and isn't directly executable. If some external process should happen to contaminate the file, there could be an issue, but since the file is read as data and not run as an executable script, I think the risk is low.

Hi Matt, in normal operation, Firefox will be adding information about tabs such as the addresses of pages opened in the tab, and the cookies set by those pages. The file is written as a block of data and isn't directly executable. If some external process should happen to contaminate the file, there could be an issue, but since the file is read as data and not run as an executable script, I think the risk is low.

Umnikazi wombuzo

Thanks.

I just noticed that my sessionstore is not being updated again, the last update time was set today (Jan. 26) at 4:31 pm, about 20 minutes ago.

I have another piece of info I just found also. I decided to look for any clues in F-Secure, and found it had a scanning report. Now the date of the scan was Jan 21, at 14:09 (5 days ago) so it is probably not related?

I looked at it, and it listed 1 file listed: C:\Users\admin matt\Downloads\wmpfirefoxplugin.exe

But the date of the scan was Jan 21, at 14:09 (5 days ago).

Another Q. If F-Secure is 'locking' the file. Can I unlock it? What happens if I deleted it - will Firefox recreate it next time I open a page?

Thanks. I just noticed that my sessionstore is not being updated again, the last update time was set today (Jan. 26) at 4:31 pm, about 20 minutes ago. I have another piece of info I just found also. I decided to look for any clues in F-Secure, and found it had a scanning report. Now the date of the scan was Jan 21, at 14:09 ('''5 days ago''') so it is probably not related? I looked at it, and it listed 1 file listed: '''C:\Users\admin matt\Downloads\wmpfirefoxplugin.exe ''' But the date of the scan was Jan 21, at 14:09 (5 days ago). Another Q. If F-Secure is 'locking' the file. Can I unlock it? What happens if I deleted it - will Firefox recreate it next time I open a page?

Okulungisiwe ngu mnalep

jscher2000
  • Top 10 Contributor
8758 izisombululo 71663 izimpendulo
Kuphostiwe

Hi Matt, if you delete sessionstore.js while Firefox is running, it might crash. Deleting it between sessions is not a problem.

There might be some kind of internal logging you can turn on in Firefox that might help identify problems that cause Firefox to stop updating sessionstore.js. I'm not familiar with the details, but hopefully another volunteer will have a suggestion.

I don't use F-Secure, so I don't have any comments on whether you're seeing normal logging there.

Hi Matt, if you delete sessionstore.js while Firefox is running, it might crash. Deleting it between sessions is not a problem. There might be some kind of internal logging you can turn on in Firefox that might help identify problems that cause Firefox to stop updating sessionstore.js. I'm not familiar with the details, but hopefully another volunteer will have a suggestion. I don't use F-Secure, so I don't have any comments on whether you're seeing normal logging there.

Umnikazi wombuzo

Well, I had sessionsstore.js excluded from the f-secure virus scan, and it still stopped upadting after about 2 hours (of light use I would add).

So, feels like back to square one almost.

I will keep looking around, and reply if I ever find an answer.

Well, I had sessionsstore.js excluded from the f-secure virus scan, and it still stopped upadting after about 2 hours (of light use I would add). So, feels like back to square one almost. I will keep looking around, and reply if I ever find an answer.

Umnikazi wombuzo

One good thing anyways, I can now keep an eye on that timestamp as I am using Firefox. If I have been active trying to clean up/delete tabs, I will be able to stop if I see the sessionstore file has stopped being updated. And then I can do an End Task from task manage to kill that Firefox session, and then restart and have the tabs be permanently deleted, and from what I see that also get the updates happening again to sessionstore file. So in this manner I can a little better manage my tabs (either opening or deleting them).

One good thing anyways, I can now keep an eye on that timestamp as I am using Firefox. If I have been active trying to clean up/delete tabs, I will be able to stop if I see the sessionstore file has stopped being updated. And then I can do an End Task from task manage to kill that Firefox session, and then restart and have the tabs be permanently deleted, and from what I see that also get the updates happening again to sessionstore file. So in this manner I can a little better manage my tabs (either opening or deleting them).
cor-el
  • Top 10 Contributor
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17528 izisombululo 158478 izimpendulo
Kuphostiwe

You can check which processes have a file handle on a file with the process explorer utility.

Use Find > Find Handle to see if that file is accessed (locked) by another program.

You can check which processes have a file handle on a file with the process explorer utility. *http://technet.microsoft.com/en-us/sysinternals/bb896653.aspx Use Find > Find Handle to see if that file is accessed (locked) by another program.

Umnikazi wombuzo

I downloaded process explorer and am running it.

I am not sure how to use it, but I did open the lower window as the documentation suggested, and I then clicked on the Firefox.exe process in the upper window pane. That shows me many thing related to Firefox.exe in the lower window such as files, threads, keys, etc. But when I look at the files (after sorting the bottom window pane on that 2nd column called names, I see several files from my Firefox profile directory that are associated with Firefox.exe (and I assume those are the files that are currently 'open'/'in use'?) Anyways, I do not see sessionstore.js among that list of 'files'?

Now I have verified that sessionstore.js is actually 'working', that is being updated currently by Firefox when I open new tabs,etc. But still don't see sessionstore.js i that list of files in the lower window of Process Explorer. Am I interpretting what I see incorrectly? Or should I be looking at something else to determine what processes are using sessionstore.js?

I downloaded process explorer and am running it. I am not sure how to use it, but I did open the lower window as the documentation suggested, and I then clicked on the Firefox.exe process in the upper window pane. That shows me many thing related to Firefox.exe in the lower window such as files, threads, keys, etc. But when I look at the files (after sorting the bottom window pane on that 2nd column called names, I see several files from my Firefox profile directory that are associated with Firefox.exe (and I assume those are the files that are currently 'open'/'in use'?) Anyways, I do not see sessionstore.js among that list of 'files'? Now I have verified that sessionstore.js is actually 'working', that is being updated currently by Firefox when I open new tabs,etc. But still don't see sessionstore.js i that list of files in the lower window of Process Explorer. Am I interpretting what I see incorrectly? Or should I be looking at something else to determine what processes are using sessionstore.js?

Umnikazi wombuzo

Well, I installed Firefox v29 a few days ago.

I no longer see the file sessionstore.js being updated!

I still crash frequently (probably too many tabs open?) - but before v29 I could at least watch the 'timestamp' of sessionstore.js as it was updating - and timestamp changed (file updated) at least for a short while.

At first, there was no sessionstore.js in my profile rigth after I installed v29.

My profile was in this directory: C:\Users\admin matt\AppData\Roaming\Mozilla\Firefox\Profiles\yqyrsiy9.default-1349914983418

I thought maybe I should copy the sessionstore.bak and make a sessionstore.js out of it - and I did - but that copy did not get updated either.

I am getting tabs restored after a crash, but they are always the exact same 'snapshot' of tabs I had opened at an earlier date - probably from the last backup before I installed v29 of Firefox.

Help?

Well, I installed Firefox v29 a few days ago. I no longer see the file sessionstore.js being updated! I still crash frequently (probably too many tabs open?) - but before v29 I could at least watch the 'timestamp' of sessionstore.js as it was updating - and timestamp changed (file updated) at least for a short while. At first, there was no sessionstore.js in my profile rigth after I installed v29. My profile was in this directory: ''C:\Users\admin matt\AppData\Roaming\Mozilla\Firefox\Profiles\yqyrsiy9.default-1349914983418'' I thought maybe I should copy the sessionstore.bak and make a sessionstore.js out of it - and I did - but that copy did not get updated either. I am getting tabs restored after a crash, but they are always the exact same 'snapshot' of tabs I had opened at an earlier date - probably from the last backup before I installed v29 of Firefox. Help?

Umnikazi wombuzo

Hi Corel,

I read your response: "If there is no new data that has to be saved to the sessionstore.js file then there is no need to create a new file. Cookies and some form data may also be stored apart from the currently open tabs and windows and the tab history (back/forward) and closed tabs/windows (undo). "

I have opened and closed new tabs, which have always before updated the sessionstore.js file (at least up until the point that I ran into the problem, which I believe came from too may tabs open). But even in that situation - the timestamp was at least updated to the time that Firefox was restored at - after a crash and restarting/restoring Firefox.

It's just never getting updated anymore.

I just noticed that the 'date accessed' is sometimes being updated for both sessionstore.js and sessionstore.bak. But neither the 'date modified' nor the "date last saved' are being updated for either file.

Hi Corel, I read your response: "If there is no new data that has to be saved to the sessionstore.js file then there is no need to create a new file. Cookies and some form data may also be stored apart from the currently open tabs and windows and the tab history (back/forward) and closed tabs/windows (undo). " I have opened and closed new tabs, which have always before updated the sessionstore.js file (at least up until the point that I ran into the problem, which I believe came from too may tabs open). But even in that situation - the timestamp was at least updated to the time that Firefox was restored at - after a crash and restarting/restoring Firefox. It's just never getting updated anymore. I just noticed that the 'date accessed' is '''sometimes''' being updated for both sessionstore.js and sessionstore.bak. But neither the 'date modified' nor the "date last saved' are being updated for either file.
guigs 1072 izisombululo 11697 izimpendulo
Kuphostiwe

When you add the sessionrestore file as the copy did you visit "about:sessionrestore"?

And I am pretty sure no preferences should change after an update, but are the preferences still the same, and does an antivirus require updating an application filter if it has been updated?

When you add the sessionrestore file as the copy did you visit "about:sessionrestore"? And I am pretty sure no preferences should change after an update, but are the preferences still the same, and does an antivirus require updating an application filter if it has been updated?

Umnikazi wombuzo

I think I know what you are asking me...I saw the screen that presented after I typed about:sessionrestore in the url line.

Yes, I do see that 'restore page' after I crash, and restart firefox. It does have all the tabs present (over 100), and these tabs are the tabs that were from a saved session from a few days ago (just prior to updating to version 29).

If I uncheck a few of the tabs, they won't be restored firefox will open without restoring those unchecked tabs - but after a crash the 'restore page' lists the same pages/tabs to be restored again.

I have had problems with sessionstore.js not updating under v 28, but it seems that then it usually stopped updating after too many tabs were open, or maybe after the file reached a certain size? Maybe the crash was due to something besides these two things, I am not sure. My sessionstore.js, and sessionstore.bak, file sizes had grown to 26,422 KB.

I think I know what you are asking me...I saw the screen that presented after I typed about:sessionrestore in the url line. Yes, I do see that 'restore page' after I crash, and restart firefox. It does have all the tabs present (over 100), and these tabs are the tabs that were from a saved session from a few days ago (just prior to updating to version 29). If I uncheck a few of the tabs, they won't be restored firefox will open without restoring those unchecked tabs - but after a crash the 'restore page' lists the same pages/tabs to be restored again. I have had problems with sessionstore.js not updating under v 28, but it seems that then it usually stopped updating after too many tabs were open, or maybe after the file reached a certain size? Maybe the crash was due to something besides these two things, I am not sure. My sessionstore.js, and sessionstore.bak, file sizes had grown to 26,422 KB.