> Last time I was solving a problem of OS suspend-resume sequence with modern kernels and now it is about working with old kernels
Hello Kostja, What is modern kernel, and what is old kernel? Any version/revision examples (you are using), so we can get the/some idea? Thank you, Zoran _______ On Tue, Oct 10, 2017 at 10:14 AM, Аладышев Константин <aladys...@nicevt.ru> wrote: > Hello Zoran! > > Yes, I'm working with the same board, but the problem is different. Last > time I was solving a problem of OS suspend-resume sequence with modern > kernels and now it is about working with old kernels > > From: Zoran Stojsavljevic [mailto:zoran.stojsavlje...@gmail.com] > Sent: Tuesday, October 10, 2017 9:48 AM > To: Аладышев Константин > Cc: coreboot > Subject: Re: [coreboot] USB problem with Haswell+LynxPointLP motherboards > > Hello Kostja, > We already had this discussion a while ago, didn't we? > > https://mail.coreboot.org/pipermail/coreboot/2016-December/082772.html > > (BTW, ATOM BYT has exactly the same problem) > > Zoran > > On Mon, Oct 9, 2017 at 11:58 AM, Аладышев Константин <aladys...@nicevt.ru> > wrote: > I try to port coreboot on boards with Haswell CPU and Lynxpoint LP chipset > (IBASE IB908AF-4650 board, DFI HU968) and I've encountered a strange > problem. USB devices stop working shortly after OS boot (or after USB > device replug in OS) with flooding system with messages: > > hub 1-1:1.0: cannot reset port 5 (err = -110) hub 1-1:1.0: cannot reset > port 5 (err = -110) hub 1-1:1.0: Cannot enable port 5. Maybe the USB cable > is bad? > hub 1-1:1.0: cannot disable port 5 (err = -110) hub 1-1:1.0: > connect-debounce failed, port 5 disabled hub 1-1:1.0: unable to enumerate > USB device on port 5 hub 1-1:1.0: cannot disable port 5 (err = -110) hub > 1-1:1.0: hub_port_status failed (err = -110) hub 1-1:1.0: hub_port_status > failed (err = -110) > > Through some digging I've found out that this problem persist on kernels > <3.5. I've investigated this problem more closely and come down to the fact > that the kernel commit that solves this problem is: > > 3d9545c EHCI: maintain the ehci->command value properly > > https://github.com/torvalds/linux/commit/3d9545cc375d117554a9b35dfddadf > 9189c > 62775?diff=split > > > And now I'm kinda stuck. The effect of this commit doesn't seem to > interface with bios for me. So how does original IBASE/DFI bios can > overcome code error before this commit? > > What can be the source of my problem? What should I investigate more > precise based on result that I've got? > > > -- > coreboot mailing list: coreboot@coreboot.org https://mail.coreboot.org/ > mailman/listinfo/coreboot > > > > -- > coreboot mailing list: coreboot@coreboot.org > https://mail.coreboot.org/mailman/listinfo/coreboot >
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