Rockbox

  • Status Unconfirmed
  • Percent Complete
    0%
  • Task Type Bugs
  • Category USB operation
  • Assigned To No-one
  • Operating System iPod 5G
  • Severity High
  • Priority Very Low
  • Reported Version Release 3.15
  • Due in Version Undecided
  • Due Date Undecided
  • Votes
  • Private
Attached to Project: Rockbox
Opened by GCRaistlin - 2021-11-08

FS#13314 - Files get corrupted on copy via USB

I have a few modded iPods 5.5G: an HDD has been replaced with a combo: Micro SD card + Micro SD to SD converter + SD to CF converter + CF to 1.8 CE ZIF converter. The mod is working fine except one thing: files copied via USB when Rockbox is active get corrupted. It happens not on every file but it’s enough to copy an MP3 album to be sure that at least one copied file is corrupted.
Also, copying files sometimes stop: copy indicator get freezed, it is unable to enter iPod (the corresponding logical drive); reconnecting iPod doesn’t help, the only way to return things to a normal state is to reboot the PC.
Also, sometimes the file system on iPod gets corrupted - even if we just connect it to PC (to get it charged) in Rockbox mode.

The issue isn’t reproducible on the following circumstances:

  1. iPod isn’t modded;
  1. iPod is modded but is in Disk Mode;
  1. iPod is modded but original firmware (Apple OS) is running.

So the only affected configuration is modded iPod with Rockbox running.

The temporary workaround is to disable switching to Mass Storage mode on USB connect. But it is currently only available in dev build, and Windows reports an unrecognized USB device with that.

Admin

This was (as far as we are aware) resolved in april of 2021, building in turn on earlier work that was committed in mid-2020.

Please try a recent daily build instead of the 3.15 release, which predates these fixes.

Yeah the file corruption issue seems to be fixed. But the copying speed is extremely low: less than 1 Mb/s in Rockbox against 4 Mb/s in Disk Mode. Is it an known issue?

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