Hardware failure.
These:
Code:
mmcblk0: error -110 transferring data, sector 1054048 nr 8, cmd response 0x900 card status 0x0
end_request: I/O error, dev mmcblk0, sector 1054048
mmcblk0: error -110 transferring data, sector 1054049 nr 7, cmd response 0x200900 card status 0x0
end_request: I/O error, dev mmcblk0, sector 1054049
Indicate that the eMMC chip has died, at least its internal controller has.
Replacing the chip is the only repair.
There was a kernel error in the sd/mmc sub-system that was fixed back in 2011 .. 2012.
The messages above are formatted in the 'after fix' style, so ....
PM me if you have a used PW-1 screen for sale, I have a PW-1 with a broken screen.
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