Date: Wed, 14 Feb 2018 21:24:41 -0800 From: Lee Brown <leeb@ratnaling.org> To: freebsd-usb@freebsd.org, freebsd-hardware@freebsd.org Subject: Re: Dell R630 unable to detect USB, can't boot Message-ID: <CAFPNf5_jf0a1Kux6qBEUGVnEedn%2BmG4oQLQjMn%2BhHxZM_-guGA@mail.gmail.com> In-Reply-To: <29e9db2f-800d-acbc-1aec-7b2170a571de@selasky.org> References: <CAFPNf5_PQJbmGqtqW4mdkpT8TrWoQz5cKgFmDt9Ae1nwkE_b9Q@mail.gmail.com> <2dd2f1e1-dd3f-5e38-5873-81394633799b@selasky.org> <62462b68-2fb9-4e8a-c473-9c1ea9096f09@selasky.org> <CAFPNf5_ZcAjhdYbnp3rxZwPsv_J7_gwBjbRs5Rd-ZJFtDetviw@mail.gmail.com> <78c5b059-ac39-8946-81f5-3e6ec75d6c39@selasky.org> <CAFPNf5_M5jg4qpcgeugQqhU9wjB1Je%2Btk9_qTJM2iDLP8Tw0pA@mail.gmail.com> <29e9db2f-800d-acbc-1aec-7b2170a571de@selasky.org>
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q On Wed, Feb 14, 2018 at 4:33 AM, Hans Petter Selasky <hps@selasky.org> wrote: > On 02/13/18 23:00, Lee Brown wrote: > >> On Tue, Feb 13, 2018 at 12:56 PM, Hans Petter Selasky <hps@selasky.org> >> wrote: >> >> On 02/13/18 19:52, Lee Brown wrote: >>> >>> On Tue, Feb 13, 2018 at 6:00 AM, Hans Petter Selasky <hps@selasky.org> >>>> wrote: >>>> >>>> On 02/13/18 14:45, Hans Petter Selasky wrote: >>>> >>>>> >>>>> On 02/04/18 23:47, Lee Brown wrote: >>>>> >>>>>> >>>>>> Booting FreeBSD11.1-RELENG from a USB stick, loader works fine >>>>>> keyboard >>>>>> >>>>>>> allows selection, kernel loads and starts OK, gets as far as >>>>>>> detecting >>>>>>> USB >>>>>>> devices and stops there. imgur <https://imgur.com/a/psn0H>; for a >>>>>>> screenshot. Tried safe mode same occurrence. >>>>>>> >>>>>>> CDROM is via a USB, so that's a no go and I've not had luck booting >>>>>>> UEFI >>>>>>> iSCSI nor PXE yet, so I'm stuck without a keyboard (no PS/2 >>>>>>> connectors) >>>>>>> or >>>>>>> essentially any boot media. >>>>>>> >>>>>>> For reference Xen 7.2 is running fine so at first blush it's not >>>>>>> faulty >>>>>>> hardware. >>>>>>> USB3 mode on and off (ie force USB2) in the BIOS makes no difference. >>>>>>> All Firmwares current. >>>>>>> >>>>>>> Any suggestions on how to move forward with this? I tried turning on >>>>>>> verbose mode, but I'm not sure how to capture that nor where to look. >>>>>>> >>>>>>> >>>>>>> Hi, >>>>>>> >>>>>> >>>>>> USB_ERR_TIMEOUT might be an indication of a PCI IRQ issue. >>>>>> >>>>>> >>>>>> Try to set: >>>>>> >>>>> >>>>> hw.usb.xhci.use_polling=1 >>>>> >>>>> from the loader as a temporary quirk. Then try to dump information >>>>> about >>>>> IRQ's like "vmstat -i" "dmesg" and so on. >>>>> >>>>> --HPS >>>>> >>>>> Thanks Hans, but unfortunately that made no difference. Here's my full >>>>> >>>>> loader.conf >>>> >>>> vfs.mountroot.timeout="10" >>>> boot_multicons="YES" >>>> boot_serial="YES" >>>> comconsole_speed="115200" >>>> console="comconsole,efi" >>>> kern.cam.boot_delay="10000" >>>> hw.usb.xhci.use_polling=1 >>>> >>>> >>> Did you enable USB 3.0 in the BIOS when trying this? >>> >>> --HPS >>> >>> It was configured with USB3.0 OFF >>> >> I just toggled it ON, same result. >> >> I verified the sysctl polling value from the loader before booting >> > > Hi, > > I suggest you bring this issue up with Dell customer support. > > Further, maybe Linux XHCI / EHCI has a quirk for Dell R630. > > Alternativly you can try to debug the XHCI/EHCI debug prints on your own. > If you get a timeout it means something is not communicating like expected > in the XHCI/EHCI DMA descriptors. > > > As I only have the hardware replacement level of support and FreeBSD isn't on their list of certified OS's, I'm probably best spending my time debugging this issue. I do find it curious that the loader is able to work the USB hardware but not the kernel. Once I figure out how to capture the kernel output, I'll crank up the debugging and post back here.
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