Updating firmware of modem Sierra Wireless EM7455

[Bjørn Mork]

Dan Williams <dcbw at redhat.com> writes:

> I'm honestly not sure, I was hoping Bjorn or Aleksander would chime in
> here with some debugging help.

I would if I had some to offer...

The session looks fine all up to the point where it starts writing 1MB
chunks of the image. There it just stops?  I have no explanation for
that.

The boots into QDL mode, the QDL device is detected, and we are
obviously able to talk to it:

[10 Apr 2018, 09:56:59] [Debug] [qfu,qdl-message] received hello-rsp:
[10 Apr 2018, 09:56:59] [Debug] [qfu,qdl-message]   magic:           QCOM high speed protocol tgt0
[10 Apr 2018, 09:56:59] [Debug] [qfu,qdl-message]   maximum version: 6
[10 Apr 2018, 09:56:59] [Debug] [qfu,qdl-message]   minimum version: 6
[10 Apr 2018, 09:56:59] [Debug] [qfu,qdl-message]   features:        0x30
[10 Apr 2018, 09:56:59] [Debug] [qfu,qdl-message] sent open-unframed-req:
[10 Apr 2018, 09:56:59] [Debug] [qfu,qdl-message]   type:        128
[10 Apr 2018, 09:56:59] [Debug] [qfu,qdl-message]   length:      64432053
[10 Apr 2018, 09:56:59] [Debug] [qfu,qdl-message]   window size: 1
[10 Apr 2018, 09:56:59] [Debug] [qfu,qdl-message]   chunk size:  64431653
[10 Apr 2018, 09:56:59] [Debug] [qfu-qdl-device] >> 25:80:B5:27:D7:03:01:25:26:D7:03:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00... [413, unframed]
[10 Apr 2018, 09:56:59] [Debug] [qfu-qdl-device] >> 7E:25:80:B5:27:D7:03:01:25:26:D7:03:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00... [417]
[10 Apr 2018, 09:56:59] [Debug] [qfu-qdl-device] << 7E:26:00:00:01:25:26:D7:03:38:37:7E [12]
[10 Apr 2018, 09:56:59] [Debug] [qfu-qdl-device] << 26:00:00:01:25:26:D7:03 [8, unframed]
[10 Apr 2018, 09:56:59] [Debug] [qfu,qdl-message] received open-unframed-rsp
[10 Apr 2018, 09:56:59] [Debug] [qfu,qdl-message]   status:      0
[10 Apr 2018, 09:56:59] [Debug] [qfu,qdl-message]   window size: 1
[10 Apr 2018, 09:56:59] [Debug] [qfu,qdl-message]   chunk size:  64431653
[10 Apr 2018, 09:56:59] [Debug] [qfu-image] reading chunk #0
[10 Apr 2018, 09:56:59] [Debug] [qfu-image] chunk #0 size: 1048576 bytes
[10 Apr 2018, 09:56:59] [Debug] [qfu-image] chunk #0 offset: 400 bytes
[10 Apr 2018, 09:56:59] [Debug] [qfu-image] chunk #0 successfully read
[10 Apr 2018, 09:56:59] [Debug] [qfu,qdl-message] sent write-unframed-req:
[10 Apr 2018, 09:56:59] [Debug] [qfu,qdl-message]   sequence:   0
[10 Apr 2018, 09:56:59] [Debug] [qfu,qdl-message]   chunk size: 1048576
[ .. this is the end of the provided debug log - bjorn ..]


No idea where to go from here.  Sorry.



Bjørn