lubuntu-qa team mailing list archive

[Leszek Lesner <leszek.lesner@xxxxxx>]

Am Mittwoch, 18. September 2013, 15:37:37 schrieb Phill Whiteside:
> Thanks,
> 
> I've just come accross
> http://ubuntuforums.org/showthread.php?t=2162655&p=12735571#post12735571and
> 
> sudo parted -l
> 
> 
> also gives me
> 
> Error: /dev/zram0: unrecognised disk label
> 
> Error: /dev/zram1: unrecognised disk label
> 
> So, it is increasingly looking like zram is the culprit (or rather the fact
> it is the 'not working' version).
> 
> 
> 
> It's way out of my depth now! But, from reading the ubuntu forums post, it
> may also explain these random lock ups that (some of us) have been seeing.
> 

You can test it on your own by deactivating zram
sudo swapoff /dev/zram0
sudo swapoff /dev/zram1
sudo rmmod zram
and see if it freezes again. 

With zram enabled it should only freeze when really writing to those zram 
swapdevices otherwise no freeze should appear. 

> 
> On 18 September 2013 15:30, Leszek Lesner <leszek.lesner@xxxxxx> wrote:
> > Am Mittwoch, 18. September 2013, 15:22:33 schrieb Phill Whiteside:
> > > Hi Leszek,
> > > 
> > > do you have the upstream bug report from zram about this? Julien should
> > 
> > be
> > 
> > > successful in getting it into the ubuntu kernel if there is a bug and a
> > 
> > fix.
> > 
> > 
> > I only found those linux kernel mailing list entry which lead me to the
> > fixes
> > in 3.12rc1
> > https://lkml.org/lkml/2013/8/19/17
> > https://lkml.org/lkml/2013/8/12/29
> > 
> > > On 18 September 2013 15:14, Nio Wiklund <nio.wiklund@xxxxxxxxx> wrote:
> > > > Hi!
> > > > 
> > > > I think this information from Leszek is the key to solve the freezing
> > > > problems.
> > > > 
> > > > Best regards
> > > > Nio
> > > > 
> > > > 
> > > > -------- Original Message --------
> > > > Subject:        AW: [Lubuntu-qa] Lubuntu 13.10 beta
> > > > Date:   Wed, 18 Sep 2013 15:51:36 +0200
> > > > From:   Leszek Lesner <leszek.lesner@xxxxxx>
> > > > To:     Nio Wiklund <nio.wiklund@xxxxxxxxx>
> > > > 
> > > > 
> > > > 
> > > > As for freezing we discovered that since kernel 3.10.6 zram is broken
> > > > which causes freezes and was fixed only completely in 3.12rc1. We
> > > > backported that fixes in Neptune's Kernel I am not sure if the ubuntu
> > > > kernel devs did the same.
> > > > 
> > > > *Von: *Nio Wiklund
> > > > *Gesendet: *Mittwoch, 18. September 2013 15:39
> > > > *An: *Ali Linx (amjjawad)
> > > > *Cc: *Lubuntu QA; Nik Th; Julien Lavergne
> > > > *Betreff: *Re: [Lubuntu-qa] Lubuntu 13.10 beta
> > > > 
> > > > 
> > > > Now we know that it freezes on your hardware too, Ali,
> > > > 
> > > > The hotkey for print screen is gone, but I think you can print screen
> > > > with the terminal window command
> > > > 
> > > > scrot
> > > > 
> > > > Best regards
> > > > Nio
> > > > 
> > > > On 2013-09-18 15:08, Ali Linx (amjjawad) wrote:
> > > > > On Wed, Sep 18, 2013 at 4:20 PM, Ali Linx (amjjawad) <
> > 
> > amjjawad@xxxxxxxxx
> > 
> > > > > <mailto:amjjawad@xxxxxxxxx>> wrote:
> > > > > 
> > > > > 
> > > > > Ops O_o
> > > > > 
> > > > > This is really bad!
> > > > > 
> > > > > * Machine: http://phillw.net/hardware/BnA9pw11
> > > > > * I shared 128MB from 512MB RAM for the Graphics (I can drop my
> > > > > RAM to half and leave only 256MB for the system from BIOS)
> > > > > * I booted my machine from the LiveUSB - latest daily build
> > > > > (17-09-amd64) created by UNetbootin final version
> > > > > * Checked for Errors = passed
> > > > > * While on Desktop, I noticed that Print Screen does NOT work!!!!!!!
> > > > > * Yes, I chose Try Lubuntu without installation
> > > > > * Chose "Something Else"
> > > > > * While on the partition screen, once I finished and clicked
> > > > > "Continue" O_o ... the system crashed and kicked me out to the
> > > > > Login Screen (LightDM) with Other as username!!!!
> > > > > * There are two systems installed on this machine and there is 1GB
> > > > > RAM SWAP (I turned it off before installation) but usually, on
> > > > > the partitioning screen, it should be on.
> > > > > * I was trying to install Lubuntu on /dev/sda4
> > > > > 
> > > > > I will repeat one more time with Maximum possible RAM and see but
> > > > > this is weird. Never had this, at least with Saucy!
> > > > > 
> > > > > 
> > > > > --
> > > > > Remember: "All of us are smarter than any one of us."
> > > > > Best Regards,
> > > > > amjjawad <https://wiki.ubuntu.com/amjjawad>
> > > > > Areas of Involvement
> > > > > <https://wiki.ubuntu.com/amjjawad/AreasOfInvolvement>
> > > > > My Projects <https://wiki.ubuntu.com/amjjawad/Projects>
> > > > > 
> > > > > 
> > > > > Do we have to file a bug against Ubiquity?
> > > > > 
> > > > > I reduced the shared Graphics memory to 32MB (512-32) and I did not
> > > > > touched SWAP Partition (1GB). Installation done successfully except
> > 
> > it
> > 
> > > > > is frozen on the last step:
> > > > > 
> > > > > Continue Testing Restart Now
> > > > > 
> > > > > I clicked on Restart Now and the mouse is giving me the circle
> > > > > cursor
> > > > > (thinking) and the whole machine is frozen!!!!!
> > > > > 
> > > > > And, before it freezes, Print Screen still does not work!
> > > > > 
> > > > > --
> > > > > Remember: "All of us are smarter than any one of us."
> > > > > Best Regards,
> > > > > amjjawad <https://wiki.ubuntu.com/amjjawad>
> > > > > Areas of Involvement <
> > > > 
> > > > https://wiki.ubuntu.com/amjjawad/AreasOfInvolvement>
> > > > 
> > > > > My Projects <https://wiki.ubuntu.com/amjjawad/Projects>
> > > > 
> > > > --
> > > > Mailing list: https://launchpad.net/~lubuntu-qa
> > > > Post to : lubuntu-qa@xxxxxxxxxxxxxxxxxxx
> > > > Unsubscribe : https://launchpad.net/~lubuntu-qa
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