Date: Fri, 23 May 2014 13:38:09 +0200 From: Hans Petter Selasky <hps@selasky.org> To: Bengt Ahlgren <bengta@sics.se>, Ian Smith <smithi@nimnet.asn.au> Cc: Jan Henrik Sylvester <me@janh.de>, Kevin Oberman <rkoberman@gmail.com>, Adrian Chadd <adrian@freebsd.org>, Stefan Ehmann <shoesoft@gmx.net>, "freebsd-mobile@freebsd.org" <freebsd-mobile@freebsd.org> Subject: Re: Thinkpad T410: resume broken Message-ID: <537F3321.6040209@selasky.org> In-Reply-To: <uh7r43klol7.fsf@P142s.sics.se> References: <53762216.8020205@gmx.net> <CAJ-VmokswTyyfrwbcwzX6c07ui_aTzbJ=jTm_rGw0r824ChaTw@mail.gmail.com> <CAN6yY1t2Zcvy=yMXOqJozRQ-LDp%2BD74gWymrfcCRExuGvfcj=Q@mail.gmail.com> <537753F3.6000202@FreeBSD.org> <537CFB7C.60702@janh.de> <537CFCE4.2000300@selasky.org> <537D01F5.2050101@janh.de> <CAN6yY1v3DW-0FDr=vx0tFBOWjw1wukV0VZfjrbbtZOxDuhWiqA@mail.gmail.com> <20140523193134.Q89611@sola.nimnet.asn.au> <uh7r43klol7.fsf@P142s.sics.se>
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On 05/23/14 13:30, Bengt Ahlgren wrote: > Ian Smith <smithi@nimnet.asn.au> 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 <me@janh.de> 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
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