Re: Lenovo X230 - suspend/resume video issues
Adrian Chadd <[email protected]>
| Newsgroups | gmane.os.freebsd.devel.acpi,gmane.os.freebsd.devel.mobile |
|---|---|
| Message-ID | <CAJ-Vmom7dt6SUW1tZ5hVY4zjWW=Xg+HFeGyAvLTofAZ8SA2s-Q@mail.gmail.com> |
Hi, Ignore xorg. Like, just pretend I don't even know it exists. I'm just using syscons. Why isn't the video display resuming? -adrian On 8 August 2013 22:34, Kevin Oberman <[email protected]> wrote: > On Thu, Aug 8, 2013 at 4:00 PM, Adrian Chadd <[email protected]> wrote: >> >> Hiya, >> >> I have an Lenovo Thinkpad X230 running FreeBSD-10. I'd like some help >> in sorting out the following issues: >> >> * the ACPI and IBM sysctls for twiddling the LCD brightness don't at all >> work >> * The backlight comes on during resume, but the video definitely doesn't >> * I'm still investigating whether xorg actually comes back from resume >> (and it's a video problem) or whether it hangs on resume. >> >> The files are here: >> >> http://people.freebsd.org/~adrian/laptop/lenovo_x230 >> >> Thanks! >> >> >> -adrian >> _______________________________________________ >> [email protected] mailing list >> http://lists.freebsd.org/mailman/listinfo/freebsd-acpi >> To unsubscribe, send any mail to "[email protected]" > > > Adrian, > > Take a look at the thread "Fixing X220 Video The Right Way" in the ACPI ML. > Also look at "Fixing suspend/resume on Lenovo x220". Both went over several > months, but ended in mid-June. Whether this aproach will work on the X230 is > not entirely clear. Use of ACPI_CALL is really a mostly unworkable kludge. > > The suspend/resume issues will almost certainly not be resolved on any > platform with recent Intel or Radeon GPUs requiring KMS until the newcons > code is committed. That likely won't resolve all issues, but will deal with > a major one and one that largely blocks resolving (or even identifying) > others. > > I have a T550 which has a BIOS that largely is similar to the X220. One > issue that Thinkpads of this vintage all seem to have is the inability to > boot a gpt disk.. (Actually, if you have another drive (even USB) with > booteasy on it, you can, but BIOS refuses to run an MBR from a GPT formatted > disk. It assumes that GPT disks are all EUFI, which is seriously broken. I'd > love to see that this is fixed. Guess I should see if Lenovo has a new BIOS > that might fix it. > -- > R. Kevin Oberman, Network Engineer > E-mail: [email protected]