Re: PCI device driver broken between 4.2 and 4.3

From: Bjorn Helgaas
Date: Sat Jan 23 2016 - 09:54:37 EST

[+cc linux-kernel]


On Sat, Jan 23, 2016 at 1:08 AM, ÐÐÐÐ ÐÐÑÐÐ <oleg.moroz@xxxxxxxxxxxxx> wrote:
> Hello. I've got a device driver for MIL-1553b card called TA1-PCI, which
> could be found at
> Card is using PLX_PCI9030 PCI controller.
> Today i've found that this driver compiles, installes, but is not working as
> it should.
> Looks like it not receives any interrupts from PCI. I've test it again with
> kernel
> 4.2 and it works okay. What changes was made in PCI subsystem from 4.2 to
> 4.3
> which could have impact this driver work.

Thank you very much for this problem report. There were many PCI
changes between v4.2 and v4.3, and without more information, I can't
guess what might be causing this problem.

I opened a bug report at

Please attach complete dmesg logs for both v4.2 and v4.3 to that bug
report. Also, please attach the complete "lspci -vv" output (as