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posted 2016-01-26 11:07:54 +0200

MTP Media Transfer Problems

I have problems transfering lots of files (~2000) using MTP from or to the jolla. The problem occurs with kio-mtp and banshee. I have figured out that there might be a probloem with the PTP Transaction ID. libmtp starts reporting the following after transferring ~1460 files. (It already started with 0/65536, but console buffer was too short :-)

PTP: Sequence number mismatch 77 vs expected 65613, suspecting old reply.
PTP: Sequence number mismatch 78 vs expected 65614, suspecting old reply.

Probably a 16bit/32 bit issue: 65613 == 0x1004d while 77 == 0x004d.

MTP Media Transfer Problems

I have problems transfering lots of files (~2000) using MTP from or to the jolla. The problem occurs with kio-mtp and banshee. I have figured out that there might be a probloem with the PTP Transaction ID. libmtp starts reporting the following after transferring ~1460 files. (It already started with 0/65536, but console buffer was too short :-)

PTP: Sequence number mismatch 77 vs expected 65613, suspecting old reply.
PTP: Sequence number mismatch 78 vs expected 65614, suspecting old reply.

Probably a 16bit/32 bit issue: 65613 == 0x1004d while 77 == 0x004d.