Imaging the new RPI SD card and boot, then expanding, there is a little error message that expanding had a problem.
Then after reboot everything looked fine and the card seems to have all 32 G space.
But then the write errors appeared.
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Jul 31 01:05:57 clock4 kernel: [ 54.959451] mmc0: timeout waiting for hardware interrupt.
Jul 31 01:05:57 clock4 kernel: [ 54.959484] [02ddda63] FCM< da465cc4 da465d1c
..
Jul 31 01:05:57 clock4 kernel: [ 54.961292] mmc0: =========== REGISTER DUMP ===========
Jul 31 01:05:57 clock4 kernel: [ 54.961296] mmc0: SDCMD 0x00000099
Jul 31 01:05:57 clock4 kernel: [ 54.961302] mmc0: SDARG 0x00835210
Jul 31 01:05:57 clock4 kernel: [ 54.961307] mmc0: SDTOUT 0x017d7840
Jul 31 01:05:57 clock4 kernel: [ 54.961312] mmc0: SDCDIV 0x00000003
Jul 31 01:05:57 clock4 kernel: [ 54.961319] mmc0: SDRSP0 0x00000900
Jul 31 01:05:57 clock4 kernel: [ 54.961324] mmc0: SDRSP1 0x00001918
Jul 31 01:05:57 clock4 kernel: [ 54.961329] mmc0: SDRSP2 0xffffffff
Jul 31 01:05:57 clock4 kernel: [ 54.961336] mmc0: SDRSP3 0x0002400f
Jul 31 01:05:57 clock4 kernel: [ 54.961341] mmc0: SDHSTS 0x00000001
Jul 31 01:05:57 clock4 kernel: [ 54.961347] mmc0: SDVDD 0x00000001
Jul 31 01:05:57 clock4 kernel: [ 54.961352] mmc0: SDEDM 0x0001080a
Jul 31 01:05:57 clock4 kernel: [ 54.961358] mmc0: SDHCFG 0x0000040e
Jul 31 01:05:57 clock4 kernel: [ 54.961365] mmc0: SDHBCT 0x00000200
Jul 31 01:05:57 clock4 kernel: [ 54.961370] mmc0: SDHBLC 0x00000008
Jul 31 01:05:57 clock4 kernel: [ 54.961374] mmc0: ===========================================
Jul 31 01:05:57 clock4 kernel: [ 54.979115] mmcblk0: error -110 transferring data, sector 8606224, nr 8, cmd response 0x900, card status 0xc00
A
fter re-imaging the 32G card again and NOT expanding ===> no more write errors.
There is some discussion on this on the RPI forums, but no solution.
It seems the more expensive cards have the problem i.e. the faster cards.
That is wired..
Karl