> Dear Tomas, > > > Testing Fedora 30 with Linux 5.2.11 on an old Dell OptiPlex 980, Linux > log the message below. > > [ 15.964298] mei mei::55213584-9a29-4916-badf-0fb7ed682aeb:01: Could > not read FW version > [ 15.964301] mei mei::55213584-9a29-4916-badf-0fb7ed682aeb:01: FW > version command failed -5 > > The prints happen in `drivers/misc/mei/bus-fixup.c`. > > ret = 0; > bytes_recv = __mei_cl_recv(cldev->cl, buf, sizeof(buf), 0, > MKHI_RCV_TIMEOUT); > if (bytes_recv < 0 || (size_t)bytes_recv < MKHI_FWVER_LEN(1)) { > /* > * Should be at least one version block, > * error out if nothing found > */ > dev_err(&cldev->dev, "Could not read FW version\n"); > return -EIO; > } > > The Web is full of these messages, so it does seem like a normal > condition on certain devices. Do you know the reason? Do older Intel > MEs support this?
Wow, this quite an old system ~ 2009, the FW version has a bit different format there, it was overlooked, will look at that ASAP, thanks for the report. Tomas