SD Card Not Found Mystery

NoSloppy · July 21, 2023, 9:59pm

The added routine in the VERBOSE_SD_ERRORS condition fixes this mystery?

Random SD card mounting failures on OS7, with an odd fix? Proffieboards

I’ve had this specific saber for about a month. This issue only started happening yesterday. One of two things happen: I get random SD card not found errors upon de-activating the killswitch. Lights on chassis/hilt turn on. I get no verbal error, and nothing seemingly happens when I de-activate the killswitch. No lights, saber doesn’t work. This doesn’t happen if I take the SD card out, however. Also, if I attempt to plug it into the computer in this “frozen” state, my PC does not register the board. I was able to narrow this down to this likely being the board. Things I’ve tried: 3 known good SD cards. Kingston industrial, SanDisk Ultra, and an E123. Formatted all of them Tried older configs which did not have these issues sdtest in serial monitor shows no issues with the reading ability on any of the cards… 1000-1400kb/s depending on the card. The saber functions as normal once the SD card manages to mount Onto the weird fix: Upon defining ‘VERBOSE_SD_ERRORS’ in my config (using the master branch of ProffieOS), my issues literally vanished into thin air. I was able to get successful consecutive boots counting to over 100, never got a single error or a freeze. I re-wrote the same config to my board, without ‘VERBOSE_SD_ERRORS’, and I was having issues again. More than half the time, my board was failing to mount the SD card. And I again put the ‘VERBOSE_SD_ERRORS’ define back in my config, wrote it to board, and I got another 100+ successful consecutive boots. Lastly, here is my config that is currently written to the board. war_config.h (59.0 KB)

For reference, this is the section of code:

github.com

profezzorn/ProffieOS/blob/015468fffdfae907e6150c6ce7a80ca381e6f7f3/common/lsfs.h#L312


      
              if (device->lock & DOSFS_DEVICE_LOCK_SCSI)
                strcat(tmp, " scsi");
              if (device->lock & DOSFS_DEVICE_LOCK_MEDIUM)
                strcat(tmp, " medium");
              if (device->lock & DOSFS_DEVICE_LOCK_INIT)
                strcat(tmp, " init");
            }
            // This function waits until the volume is mounted.
            static bool Begin() {
              if (mounted_) return true;
          #ifdef VERBOSE_SD_ERRORS
              int error = f_initvolume();
              if (error != F_NO_ERROR) {
                STDERR << "SD init error: " << error << "\n";
                extern void SaySDInitError(int error);
                SaySDInitError(error);
                return false;
              }
              error = f_checkvolume();
              if (error != F_NO_ERROR) {
                STDERR << "SD check error: " << error << "\n";