Ooop! the bug report is at https://bugs.launchpad.net/ubuntu/+source/chromium-browser/+bug/1096603
Regards, Phill. On 6 January 2013 15:28, Phill Whiteside <[email protected]> wrote: > Hi Chad, > > mixed news.. > > BBC news[2] reported "It's dead Jim" (as expected), but the launchpad > tab[2] also reported "Aw Snap!" This is new, as in the past it has remained > running. As you suspected, there were entries in dmesg which I have tagged > onto the bug. > > I've raised a bug from within the VM [3] An identical running VM with > firefox installed and the same two tabs open is still happily running. > Those two test VM's are at your disposal on my home system if you need me > to run / check anything else. > > Again, thanks for your time on this, > > Phill. > > 1. http://www.bbc.co.uk/news/ > 2. https://bugs.launchpad.net/ubuntu/+source/chromium-browser/+bug/1084852 > 3. > http://www.upubuntu.com/2012/07/conky-2-nice-conky-desklet-for-your.html > > > On 4 January 2013 19:54, Chad MILLER <[email protected]> wrote: > >> On Thu 03 Jan 2013 06:49:47 PM EST, Phill Whiteside wrote: >> > We are seeing an issue with Chromium on low RAM systems where we get >> "It's dead Jim" issues. At first I believed this to be a Chromium memory >> leak, but it does not affect all web pages [1]. I have tried to report this >> via [2] which errorred out with 'mal formed request', trying to use the >> 'learn more' and trying to report an error in the failed window also >> resulted in the same. Even more odd (to me) was that leaving the tabs open >> ended up in them giving the "It's dead Jim" error on the tab. Just as a >> check in my own logic, I opened up a launchpad bug tab for a bug. This tab, >> over several days & resets of other tabs that had to be reset never once >> failed. >> > >> > Apologies for the long introduction. Is there anything I can add to the >> system to try and get some details for you guys to work off? gdb I have >> been intimated at, is not really suited for a memory leak; but as I don't >> think it is a memory leak and Chromium still runs with the tabs still >> 'alive' would it be of use to use gdb to trace back an PiD? >> > >> > Assuming you don't have a machine that you can pull memory chips out >> of, until you have 512Mb of RAM (The guys with these machines are the ones >> who 1st reported it).. >> > >> > 1. Create a VM with 512 Mb RAM >> > 2. Install Lubuntu (I suggest using alternate at such low RAM) [3] - >> I've also tried this with Raring >> > 3. Open a couple of tabs, e.g. BBC News [4] and a bug report [5] - >> Well, it was a chromium bug :) >> > 4. Open a couple of other tabs for sites you know to be stable - >> Remember, you are on a low-RAM system, nothing too exotic! >> > 5. Wait. >> > 6. Tabs will report "It's dead Jim".. - This may take several hours - >> Tab opened with [5] will stay working. >> > >> > Us testers are stuck to try to progress and any help you can give to >> help log the bug correctly in order that it can be progressed is needed. >> I've tried installing the dev chromium instead of the 'new' chromium in the >> repos, the effect is the same. >> >> >> Hi Phill, all. >> >> I assume it's the out-of-memory process reaper in the kernel, at work >> here killing process that backs the tab you see. Can you confirm >> something interesting in "dmesg" output? >> >> I can imagine that a lazily-written web site can have Javascript code >> that ever grows its memory usage. I'm keen to know whether the same >> machine can reproduce this crash on a mundane web site that doesn't >> have JS events firing off RPC calls and/or updating the DOM. If it >> does crash anyway, this gets interesting. >> >> Answering those two questions would help me categorize this bug-report >> pretty easily. Let's open a normal bug on Launchpad to track this for >> now. >> >> - chad >> >> > > > -- > https://wiki.ubuntu.com/phillw > -- https://wiki.ubuntu.com/phillw
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