On tor, 2016-10-20 at 13:12 +0300, Max Savenkov wrote: > Yes, I had HDR enabled, and this is the bug that affects me, thank > you, I was unable to find it by googling! > > 20.10.2016 15:40, royden yates пишет: > > > > > > 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 Max, please subscribe to that bug, even add a comment but certainly mark it as affecting you as well. It seems to have gone on the back burner but it is VERY frustrating when it happens. R > > > > > > > > > > > > >
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