I've rechecked where the issue was, after i pulled updates from repository and
now it hangs on different line. I tried to insert delays to check if it was
effect of something else. It's not.
I must have made a mistake, sorry for confusion.
The line is src/vendorcode/amd/cimx/sb800/SBPort.c:296
WriteIO (0xCF9, AccWidthUint8, &dbValue);
I found out that this is a known problem, and there is a suggested workaround.
AMD A45/A50M/A55E Fusion Controller Hub Product Errata
15 USB Resets Asynchronously With Port CF9h Hard Reset (page 13)
Thanks for Your help!
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