ubuntu-phone team mailing list archive

[royden yates <royden.yates@xxxxxxxxx>]

On tor, 2016-10-20 at 15:01 +0200, ilonka wrote:
> Hi guys,
> I have this issue also with my Mwizu MX4 and this happens with HDR
> and without. Before camera app tell me that it haven't permission to
> use the camera I have always problems to store a picture what I've
> taken with the camera app.
> Regards
> Ilonka
> 
> Am 20.10.2016 um 14:40 schrieb royden yates:
> > 
> > 
> > On tor, 2016-10-20 at 13:10 +0300, Max Savenkov wrote:
> > > After tacking a few pictures, camera in my Meizu MX4 Ubuntu
> > > Edition locks up, i.e. Camera App displays black screen, and if I
> > > try to restart it, it says that this app does not have permission
> > > to access camera. Rebooting the device helps, but only for a few
> > > more snaps.
> > > 
> > > It seems to happen randomly, sometimes only after a second photo,
> > > and sometimes after 10th or so. It seems to be linked to locking
> > > the device when the camera is on, or maybe switching to other
> > > apps, or a combination of these behaviours, but I'm not sure.
> > > 
> > > I can reproduce this behaviour with some effort, so I took a look
> > > at dmesg output on the phone, but I'm not sure I see antyhing
> > > incriminating. The log seems to be the same for "healthy" photo
> > > and for "broken" one, both containing a fair number of error
> > > messages 
> > > 
> > > [mt-i2c]ERROR,454: id=0,addr: 54, transfer error
> > > [mt-i2c]ERROR,460: I2C_ACKERR
> > > [CAM_CAL] I2C send read address failed!! 
> > > [CAM_CAL]I2C read liteon e2prom failed!!
> > > 
> > > The only thing I have is that I see a lot more mt-i2c errors
> > > after bugged photo:
> > > 
> > > [  496.276011] [LC898212XD] LC898212XD_Release - Start
> > > [  496.276018] [LC898212XD] LC898212XD_Release - End
> > > [  496.334223] [ion_dbg] warning: free_list_size=0xc862000
> > > [  496.347719] [ion_dbg] warning: free_list_size=0xc862000
> > > [  496.559796] [mt-i2c]ERROR,454: id=0,addr: 54, transfer error
> > > [  496.559832] [mt-i2c]ERROR,460: I2C_ACKERR
> > > [  496.560223] [mt-i2c]ERROR,454: id=0,addr: 54, transfer error
> > > [  496.560241] [mt-i2c]ERROR,460: I2C_ACKERR
> > > [  496.705554] [mt-i2c]ERROR,454: id=0,addr: 37, transfer error
> > > [  496.705591] [mt-i2c]ERROR,460: I2C_ACKERR
> > > [  496.705686] [mt-i2c]ERROR,454: id=0,addr: 37, transfer error
> > > 
> > > What other diagnostic can I gather before submitting a bug?
> > > -- 
> > > 
> > Hi,
> > 
> > are these failed pics by any chance HDR? See https://bugs.launchpad
> > .net/ubuntu/+source/camera-app/+bug/1537774
> > 
> > R
> > 
> > 
> > 
> > 
>  
Hi,
the issue here is only evident with HDR images and the result is that
there appears not to be permission to access the  camera. Your problem
seems a permissions issue at the onset - different bug perhaps?
R