Hi all, I'd like to bring up this issue again. I just upgraded to Ubuntu 25.04, kernel 6.14.0-15-generic and I'm still having the same issue (the same ACPI call still have no effect).
Thanks, Nitin Joshi1 <njos...@lenovo.com> 於 2024年9月2日 週一 下午9:42寫道： > Hello Pellaeon, > > > > >> @Mark: has the team replied anything? > > Mark has informed me regarding this and I am yet to check this . Sorry for > this ! > > I will try to get hold of system and try this within this week , if I find > AMD e-privacy guard machine . > > > > Thanks > > > > *From:* Pellaeon Lin <nfsmw...@gmail.com> > *Sent:* Sunday, September 1, 2024 2:32 PM > *To:* ibm-acpi-devel@lists.sourceforge.net > *Subject:* [External] Re: [ibm-acpi-devel] PrivacyGuard doesn't work even > by sending ACPI commands directly > > > > Hi, > > > > @Mark: has the team replied anything? > > > > @Marco: `proptest` on my system did not return any property related to > privacy screen, is this normal? (I ran `proptest | grep -i privacy`, which > returned empty result.) > > > > Thanks, > > > > Marco Trevisan (Treviño) <m...@3v1n0.net> 於 2024年6月4日 週二 上午2:07寫道： > > Hi, > > Not sure if something changed or it is different in newer models, but > the privacy screen feature so far has been exposed as a KMS property you > can inspect and set with tools like proptest (in libdrm-tests package > for what concerns ubuntu) > > Cheers > > On giu 3 2024, at 1:46 pm, Pellaeon Lin <nfsmw...@gmail.com> wrote: > > > Hi, > > > > I have a ThinkPad X13 Gen 2 AMD with PrivacyGuard. But by pressing the > > combination key Fn+D it does not toggle the PrivacyGuard, the > > PrivacyGuard stays on. I've tested: > > > > - Fn+D does toggle PrivacyGuard when I'm in the BIOS > > - Fn+D has no effect on Ubuntu 22.10, Ubuntu 23.04, Ubuntu 23.10, > > Ubuntu 24.04 and Fedora 40 (except Ubuntu 23.10 and 24.04, all was > > tested using LiveUSB) > > > > In all of the Linux cases, I can confirm that by pressing Fn+D, the > > status value of /proc/acpi/ibm/lcdshadow actually changes. > > > > I've always thought this was a Ubuntu-specific issue, until I tested > Fedora. > > > > I tested this further by installing the acpi-call-dkms package on > > Ubuntu and issues the following call: > > > > echo '\_SB.PCI0.LPC0.EC0.HKEY.SSSS 0x1' | sudo tee /proc/acpi/call > > > > It returned 0 (which should mean success), but PrivacyGuard is still > > ON. Then I tried to call it with 0x0: > > > > echo '\_SB.PCI0.LPC0.EC0.HKEY.SSSS 0x0' | sudo tee /proc/acpi/call > > > > Also getting 0 in return. PrivacyGuard is still ON. > > > > Based on my limited understanding of ACPI and the kernel, at this > > point it might be a firmware issue? (fwupdmgr shows that there is no > > available updates) But based on my reading and understanding of > > thinkpad_acpi.c, the particular ACPI call that I issued is also how > > the Linux driver currently operates the PrivacyGuard feature, which > > means the driver might also be affected by this issue. So I'm hoping > > someone could help me debug this further, or point out anything that > > I'm not understanding correctly. > > > > Thanks! > > _______________________________________________ > > > > ibm-acpi-devel mailing list > > > > ibm-acpi-devel@lists.sourceforge.net > > > > https://lists.sourceforge.net/lists/listinfo/ibm-acpi-devel > >
_______________________________________________ ibm-acpi-devel mailing list ibm-acpi-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/ibm-acpi-devel
