ChibiOS Free Embedded RTOS

I changed the code and started the system. Lets see what happens

Hi! Yes we tried different cards but we did not see any differences.
Updating to the latest stable version improved the behaviour significantly (before: Ver 2.4.x, one error in ~60 sec, after: Ver 2.6.6 ~60 min).
Reading other threads i've got some inspiration about retries and timeouts, but ...

Any new information about this one? We seem to have similar problems here. Stressing the SD-Card by constant opening, seeking and writing results in about one error per hour.
The error gets raised in sdc_lld_wait_transaction_end(...) when if ((SDIO->STA & SDIO_STA_DATAEND) == 0) evaluates to true ...