I'm trying to back up NSPs from my Switch to PC via USB using dbi, but whenever I initiate the transfer, after a few minutes it will consistently stop and display the error "The semaphore timeout period has expired." What is happening? What can I do about it?
DBI semaphore error
- Thread starter CaptainKoloth
- Start date
- Views 3,644
- Replies 20
your PC is losing connectivity to the “drive” (your switch)
try swapping out your USB cable.
try rebooting your PC.
make sure your switch shows up properly in device manager (no alerts/errors)
check that yiu have the right driver.
does it work with a small game or just not work at all?
Last edited by binkinator,
Happened with three different USB cables on two different PCs. Game size doesn't seem to make a difference.
well crap. That’s pretty consistent that somethings not getting set up right on the switch end.
are you able to do other USB related tasks such as mount your SDCard via UMS in Hekate?
Interestingly, it only seems to be happening with folders- not NSPs. So maybe it's large numbers of files that are confusing it.
I don’t know, man. I’m using the latest version they just released a few days ago, I’ve been trying to get it to fail. No luck unless I just flat out whack the tinfoil drivers.
somebody smarter than me want to look at this?
yes there is. You set it up in the dbi.config file right next to your .nro file…docs for setting it up are here: https://github.com/rashevskyv/dbi/b...7696dafebdf23bf1c97a6/README_ENG.md#dbiconfig
FYI, also tried via Tinfoil and I'm getting the same error. I can see the files on PC, but I can't reliably copy them. I tried connecting to a drive formatted to FAT32 and an exFAT drive on Windows 11 and Windows 10. It's highly repeatable for me. I'm amazed no one else ever seems to have seen this error.
You’ve done a great job isolating what it’s not…that’s for sure.
I’ve never tried this but maybe you could get some insight into what’s going on by sniffing the traffic:
https://freeusbanalyzer.com/
This is all I got in the log of one failed transfer. Not very illuminating.
Scanning applications...61/61...done
Found 1 users
UID: 10000000009387B9B7AAF12DEC83A082, Nick: User
Found 15 saves
System : 0 saves
Account : 13 saves
BCAT : 1 saves
Device : 0 saves
Temporary : 0 saves
Cache : 1 saves
SystemBCAT: 0 saves
Enumerating album items on NAND
Found 0 album items
Enumerating album items on MicroSD
Found 2 album items
USB3.0 Enabled: no
Server started
Session opened
Sending file: /1979 Revolution Black Friday [B+U65536].nsp
Scanning applications...61/61...done
Found 1 users
UID: 10000000009387B9B7AAF12DEC83A082, Nick: User
Found 15 saves
System : 0 saves
Account : 13 saves
BCAT : 1 saves
Device : 0 saves
Temporary : 0 saves
Cache : 1 saves
SystemBCAT: 0 saves
Enumerating album items on NAND
Found 0 album items
Enumerating album items on MicroSD
Found 2 album items
USB3.0 Enabled: no
Server started
Session opened
Sending file: /1979 Revolution Black Friday [B+U65536].nsp
Tinfoil registry fix?
You might need to adapt the VID and PID to your Switch, but hopefully the values will be the same for everyone.
With DBI MTP connected, go to device manager, Portable Devices, and Right-click --> Properties on Switch. Under Details tab, select Hardware Ids property. Then open regedit, go to [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Enum\USB\, and find the key that matches the value you got from device manager. Inside it will be another key that's the DBI version you're using, and inside will be the Device Parameters key. Try to change DeviceIdleEnabled dword to 0, DefaultIdleTimeout to EA60, and create a dword for USBTimeout and set it to EA60.
I'm trying this right now because I'm running into the same issue, so I can't confirm if it helps. But if it doesnt end up helping for me, it might end up helping for you still.
One thing I noticed is that when I got the error, a game produced a 30GB NSP despite the game actually being 17GB (doom eternal), I'm wondering if it somehow fails to properly switch the stream over to a different file, and it just keeps pumping data into the previous file until it realizes something's desynced and it errors out?
Code:
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Enum\USB\VID_057E&PID_201D\[DBI VERSION]\Device Parameters]
"DeviceIdleEnabled"=dword:00000000
"DefaultIdleTimeout"=dword:0000EA60
"USBTimeout"=dword:0000EA60You might need to adapt the VID and PID to your Switch, but hopefully the values will be the same for everyone.
With DBI MTP connected, go to device manager, Portable Devices, and Right-click --> Properties on Switch. Under Details tab, select Hardware Ids property. Then open regedit, go to [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Enum\USB\, and find the key that matches the value you got from device manager. Inside it will be another key that's the DBI version you're using, and inside will be the Device Parameters key. Try to change DeviceIdleEnabled dword to 0, DefaultIdleTimeout to EA60, and create a dword for USBTimeout and set it to EA60.
I'm trying this right now because I'm running into the same issue, so I can't confirm if it helps. But if it doesnt end up helping for me, it might end up helping for you still.
One thing I noticed is that when I got the error, a game produced a 30GB NSP despite the game actually being 17GB (doom eternal), I'm wondering if it somehow fails to properly switch the stream over to a different file, and it just keeps pumping data into the previous file until it realizes something's desynced and it errors out?
Last edited by Deleted member 585564,
I have those disabled, I dump by copying the folder containing base + update + dlcs separately
A retry dumped everything properly
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