Re: Thinkpad T410: resume broken
Hans Petter Selasky <[email protected]>
| Newsgroups | gmane.os.freebsd.devel.mobile |
|---|---|
| Message-ID | <[email protected]> |
On 05/23/14 13:30, Bengt Ahlgren wrote: > Ian Smith <[email protected]> writes: > >> [minus -current, not subscribed] >> >> On Thu, 22 May 2014 22:39:50 -0700, Kevin Oberman wrote: >> > On Wed, May 21, 2014 at 12:43 PM, Jan Henrik Sylvester <[email protected]> wrote: >> > > On 05/21/2014 21:22, Hans Petter Selasky wrote: >> > > > On 05/21/14 21:16, Jan Henrik Sylvester wrote: >> > > >> Unfortunately, my USB mouse does not work anymore: After the first >> > > >> resume, it took a few seconds until it worked again (the build in >> > > >> touchpad was back immediately). After the second resume, it would not >> > > >> work anymore at all, even after reconnecting it to a different EHCI >> > > >> port. It does work at a XHCI, though, until the next resume. Anyhow, >> > > >> this is obviously not related to the original problem. >> > > > >> > > > Hi, >> > > > >> > > > USB controller are being reset at resume, so I think this indicates a >> > > > more fundamental PCI/BUS problem. >> > > >> > > Looking through dmesg, it seems that other USB devices (build-in) are >> > > reappearing (Qualcomm Gobi 2000, Broadcom Bluetooth Device) after >> > > resume, just not the mouse. >> >> More likely, just not anything using the external USB ports, if it's the >> same issue that seems to be happening on (all?) X2xx, X4xx, X5xx and >> someone mentioned a T320? - ie perhaps all modern(ish) Lenovo laptops. >> >> It's becoming clear to me that there are two distinct and probably >> completely unrelated suspend/resume issues on these machines: >> >> 1) graphics issues, where most of the attention has been (rightly) >> focussed. My X200 has older Intel i915, pre-KMS, and has NO video >> issues on suspend/resume at all on stable/9, from console or X. >> >> 2) disappearance of external USB ports after sometimes the first and on >> others (such as my X200) the second resume. This extends to there >> being no 5V on the connectors, which may or may not be the main >> problem. It is seeming to be more likely a BIOS/ACPI issue, given >> that USB (UCHI & EHCI here) is doing the right thing to wake them. > > A peculiarity I noted on my X201 is that it does not seem to have any > USB 1.x controllers, only ehci 2.0, yet the man page says that "EHCI > controllers are peculiar in that they can only handle the USB 2.0 > protocol". > > I wonder if these boxes have some strange ohci or uhci controllers that > are not detected, or some kind of integrated 2.0/1.x controllers that > the ehci driver does not fully understand and therefore is causing the > resume issue? > No, They have an external USB 2.0 HUB with TT, which does the FS/LS transfers. --HPS _______________________________________________ [email protected] mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-mobile To unsubscribe, send any mail to "[email protected]"