Re: [qubes-users] Screen corruption on nvidia
-BEGIN PGP SIGNED MESSAGE- Hash: SHA512 On 2016-08-22 08:19, johnyju...@sigaint.org wrote: >> Added testing repos to (clones of) debian-23 and debian-8 templates (as >> well as whonix-gw/whonix-ws), did upgrades/dist-updates, restarted, >> loaded up a bunch of AppVM's, and have been pounding on things awhile. >> >> No sign of screen garbage yet! :) >> >> Looks promising. > > Day 3 of banging on r3.2-testing, and zero sign of any screen corruption. > > I think it's safe to mark this one as fixed. > > JJ > > Thanks for testing and letting us know! :) - -- Andrew David Wong (Axon) Community Manager, Qubes OS https://www.qubes-os.org -BEGIN PGP SIGNATURE- iQIcBAEBCgAGBQJXux/gAAoJENtN07w5UDAwzX0P/1imJfQfBAPIbzo/padV2GqD mgojWck235Hp7ojArkT8YO1c6FsLsbdgUfTYH2GbUcOTpYnpg5LC4MK/KtB3NNUh r8VRS9AvjAO8jaFu9j/C3+14+PXG96/YvTzviiT9dSx24QuXW8QTWutz9WANQnqZ p0HhcBAf2Pfpv4H99Qu4i89p53YM8lgHcyYwhYiV7EuZu1aehRLvz5g7i9/IJ3Wi EwvGpMsFBD8r317R/xzbrzhJXfdTt676pb7mQZDIHQUA9zSD2HjuBjo0dWa0vYd0 BsWUmOHnU70et4D3JJ7QSXEky0j5bhUipXL8F93paLes0M1wOJXr/UUIDPIX0K7M j5l0JTLkF/5ygnm0Bym8fqLKnarlkrpE4zSgZB4RzQ4NqpWvQ4et0deZy8TuW3Eu cqs3yNFun+U5wvC72QF5oc+taEh9+cDz1zNvgcL+TzfeSQX/wdjjI8an26DDPKXC wS4a/cVYyzMgD3zXdDkBifl/IJtoIZ+T5zY+vus0NiCnKtLVXfeBrkH4gtIuN3jU M4UPsHIXI6g47CYIrhSneAZJNS4bJNBBARqjl2cr6in7sSgT/aaH0sPh/9HBHoeN aanh3oeoXke1xK+3c8rVcr4sMo3lMJQ4P2MTiGyQ/fxvF1plW2ZH2DymdfAcW/Kq 7q8Ryxs4QzxEeeAVdN24 =xHjg -END PGP SIGNATURE- -- You received this message because you are subscribed to the Google Groups "qubes-users" group. To unsubscribe from this group and stop receiving emails from it, send an email to qubes-users+unsubscr...@googlegroups.com. To post to this group, send email to qubes-users@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/qubes-users/e3b20335-d54b-a123-319f-d515961a83cc%40qubes-os.org. For more options, visit https://groups.google.com/d/optout.
Re: [qubes-users] Screen corruption on nvidia
> Added testing repos to (clones of) debian-23 and debian-8 templates (as > well as whonix-gw/whonix-ws), did upgrades/dist-updates, restarted, loaded > up a bunch of AppVM's, and have been pounding on things awhile. > > No sign of screen garbage yet! :) > > Looks promising. Day 3 of banging on r3.2-testing, and zero sign of any screen corruption. I think it's safe to mark this one as fixed. JJ -- You received this message because you are subscribed to the Google Groups "qubes-users" group. To unsubscribe from this group and stop receiving emails from it, send an email to qubes-users+unsubscr...@googlegroups.com. To post to this group, send email to qubes-users@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/qubes-users/1be991f810cc2019d7e056e5749c0504.webmail%40localhost. For more options, visit https://groups.google.com/d/optout.
Re: [qubes-users] Screen corruption on nvidia
> I see the updated packages are for qubes-gui-agent's in the fedora/debian > templates. Will grab those, fire up several AppVM's, and see if things > improve. Added testing repos to (clones of) debian-23 and debian-8 templates (as well as whonix-gw/whonix-ws), did upgrades/dist-updates, restarted, loaded up a bunch of AppVM's, and have been pounding on things awhile. No sign of screen garbage yet! :) Looks promising. Cheers. JJ -- You received this message because you are subscribed to the Google Groups "qubes-users" group. To unsubscribe from this group and stop receiving emails from it, send an email to qubes-users+unsubscr...@googlegroups.com. To post to this group, send email to qubes-users@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/qubes-users/90265d786ad7b2048291a1ebaaa0a52c.webmail%40localhost. For more options, visit https://groups.google.com/d/optout.
Re: [qubes-users] Screen corruption on nvidia
>> Several packages were recently pushed to testing repos (see >> qubes-buider-github comments on the issue). Have you had a chance to try >> those? > > Cool, I will grab the latest qubes-gui-vm from current-testing and see if > that helps. Sorry, that was phrased wrong, and I hate to add any confusion for anyone. (I really should read more carefully before posting.) I see the updated packages are for qubes-gui-agent's in the fedora/debian templates. Will grab those, fire up several AppVM's, and see if things improve. Cheers. JJ -- You received this message because you are subscribed to the Google Groups "qubes-users" group. To unsubscribe from this group and stop receiving emails from it, send an email to qubes-users+unsubscr...@googlegroups.com. To post to this group, send email to qubes-users@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/qubes-users/65abe7794d0822f9a2387a7a4b96b804.webmail%40localhost. For more options, visit https://groups.google.com/d/optout.
Re: [qubes-users] Screen corruption on nvidia
-BEGIN PGP SIGNED MESSAGE- Hash: SHA512 On 2016-08-18 04:44, johnyju...@sigaint.org wrote: > This problem persists in 3.2rc2. > > JJ > Several packages were recently pushed to testing repos (see qubes-buider-github comments on the issue). Have you had a chance to try those? P.S. - Please keep the list CCed and try not to top-post. However, under Qubes, I experience random screen corruption. See: https://i.imgur.com/ovEFgYO.png >> >>> Looks like it could be this issue: >>> >>> https://github.com/QubesOS/qubes-issues/issues/1028 >>> >>> As you can see from the qubes-builder-github comments, some patches >>> for this are already in the testing repos. You may want to give those a >>> try. >> >> Awesome! Will give that a shot. Thanks for the reply! :) >> - -- Andrew David Wong (Axon) Community Manager, Qubes OS https://www.qubes-os.org -BEGIN PGP SIGNATURE- iQIcBAEBCgAGBQJXt00bAAoJENtN07w5UDAwsmMP/1sY/IiuOY8smMwFNWJlekd7 N/296EgTEN0Q/r5VJWMyXIHcwXoLFRk3aKBoUoCXoRPRAD2Zyl6oQOMjx9oZhL7V AYSrFaGe9LWVYsoYfutYboz+ajMpFnxkR4mjHaaSe1vRdmzzyzF81bC2Bnn7j2Mh IuNM7MdKSaCsjD+dzfyLQWvoGVsCzy43yilXTkVsDwc93XXUmGv3CLyhY4ywPFAw HsNHRM6jtXIeS7FAGOe8/uqRtPR0yUDwnQgTaCoCF38oFvFsHpUzlwlfl7YGQ9ce lBb/fNkVoArKW6HnzoLC4ZWjDl8TeStjiuVCmJ+6QjwXI15+iSLpC+ejHXOaHsxj lqaGQrEzOq7v5vTVUM2zMxR3M9Um53245ivEHCBX3a13KMSm7/ocoaA0+St74Ju7 zLjSL5hFivZ9rg0FAjZeFv9R8lJvZVR+9PeDUbhtguEH4p2cUikNngyprtcNl1Fs 6FOJmBDicNBO1f1uQfigowxI/cVITrqMgcOzgpX2i0ZSN+iKvlWHCsU78M5U1o2Z DM9kmC+BZLndVC4ooUlvMV8Fk8uPZ5IcBxlZ6rd0+wXsHoq8wfQJdaUiJf3azWGI w4uNdKk4IgCjoTMBlQEuoxrsNUeSa690ujARZNbEPqV2hL1VeEMumG1OMOVVw/5V rFKNdEU75fu+WpYL2HGQ =mf2l -END PGP SIGNATURE- -- You received this message because you are subscribed to the Google Groups "qubes-users" group. To unsubscribe from this group and stop receiving emails from it, send an email to qubes-users+unsubscr...@googlegroups.com. To post to this group, send email to qubes-users@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/qubes-users/f381a671-6a75-1cb6-9265-66f5b737e4d5%40qubes-os.org. For more options, visit https://groups.google.com/d/optout.
Re: [qubes-users] Screen corruption on nvidia
However, under Qubes, I experience random screen corruption. See: https://i.imgur.com/ovEFgYO.png > This problem persists in 3.2rc2. > > JJ Actually, just FYI, the behavior seems to be a lot better under 3.2rc2. I've only seen it a couple of times, versus seeing it consistently under 3.1. -- You received this message because you are subscribed to the Google Groups "qubes-users" group. To unsubscribe from this group and stop receiving emails from it, send an email to qubes-users+unsubscr...@googlegroups.com. To post to this group, send email to qubes-users@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/qubes-users/0016acf00ca3d64f97e679c8d40277ee.webmail%40localhost. For more options, visit https://groups.google.com/d/optout.
Re: [qubes-users] Screen corruption on nvidia
This problem persists in 3.2rc2. JJ >>> However, under Qubes, I experience random screen corruption. >>> >>> See: https://i.imgur.com/ovEFgYO.png > >> Looks like it could be this issue: >> >> https://github.com/QubesOS/qubes-issues/issues/1028 >> >> As you can see from the qubes-builder-github comments, some patches for this >> are already in the testing repos. You may want to give those a try. > > Awesome! Will give that a shot. Thanks for the reply! :) > > -- > You received this message because you are subscribed to the Google Groups "qubes-users" group. > To unsubscribe from this group and stop receiving emails from it, send an email to qubes-users+unsubscr...@googlegroups.com. > To post to this group, send email to qubes-users@googlegroups.com. To view this discussion on the web visit > https://groups.google.com/d/msgid/qubes-users/2380dfd0340bdf4025341dff82056852.webmail%40localhost. For more options, visit https://groups.google.com/d/optout. > -- You received this message because you are subscribed to the Google Groups "qubes-users" group. To unsubscribe from this group and stop receiving emails from it, send an email to qubes-users+unsubscr...@googlegroups.com. To post to this group, send email to qubes-users@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/qubes-users/dba3a9f5755b9793d82e810521492df3.webmail%40localhost. For more options, visit https://groups.google.com/d/optout.
Re: [qubes-users] Screen corruption on nvidia
>> However, under Qubes, I experience random screen corruption. >> >> See: https://i.imgur.com/ovEFgYO.png > Looks like it could be this issue: > > https://github.com/QubesOS/qubes-issues/issues/1028 > > As you can see from the qubes-builder-github comments, some patches for > this > are already in the testing repos. You may want to give those a try. Awesome! Will give that a shot. Thanks for the reply! :) -- You received this message because you are subscribed to the Google Groups "qubes-users" group. To unsubscribe from this group and stop receiving emails from it, send an email to qubes-users+unsubscr...@googlegroups.com. To post to this group, send email to qubes-users@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/qubes-users/2380dfd0340bdf4025341dff82056852.webmail%40localhost. For more options, visit https://groups.google.com/d/optout.
Re: [qubes-users] Screen corruption on nvidia
-BEGIN PGP SIGNED MESSAGE- Hash: SHA512 On 2016-08-15 05:10, johnyju...@sigaint.org wrote: > I realize that nVidia's aren't the preferred video card, but (being > divorce-poor) one sometimes has to make do with what one has. :) > > With my on-board nVidia (GeForce7100) and the nouveau driver (on both Tails > and Qubes), things work okay, then suddenly at some random point the screen > gets filled with diagonal line garbage, and things are unresponsive. (The > system seems to still be running, but the screen is pooched and keyboard > seems unresponsive, and no Alt-F1'ing or whatever will get it back. > Processes still seem to be running though, and the ethernet light is > blinking normally as traffic goes in an out, etc.) > > So I put in a PCI card, nVidia Geforce 7300, which seems solid, works > perfectly under Tails. > > However, under Qubes, I experience random screen corruption. > > See: https://i.imgur.com/ovEFgYO.png > > It's usually fewer horizontal lines than in that snap, but I thought I'd > include an extreme example to show the problem. > > It usually happens when the system is a bit busier CPU-wise/memory-wise, > but otherwise functioning fine. Moving the window, or switching to another > window and back, clears up the corruption. > > Screen corruption like that could be a sign of some wild pointer or other > memory management bug, so I thought I'd bring it up. > > The paranoid half of me (okay, okay, I'll admit, it's more than half) > worries it might be some attempted DMA attack. > > (I've been, and continue to be, the subject of some rather high-end > professional hacking over the years, which adds to the concern.) > > I've read about attacks where screen memory is used to stuff code and run > it to escalate privileges. And the nature of the garbage doesn't look like > mis-placed screen stuff, but code or other binary data. Thankfully, if > this is the case, the corruption seems contained to the AppVM. The garbage > never spills outside an AppVm's window. It happens in both Redhat-23 and > Debian-8 based AppVMs. I've never seen evidence of it in dom0/Qubes > Manager and such. > > It realize it's *probably* not an attack, but I'd like to track down the > nature of the problem whether it's a bug or an attack. > > I've read in another thread about video corruption caused by accessing > memory who page has moved, and "echo 0 >> /proc/sys/vm/compact_unevictable_allowed" supposedly helps. At first, I > thought that made a difference, but ultimately, the problem is still > there. > > Any ideas on what I can try, short of giving up and hunting down an ATI > card or the like? (I might try the proprietary nVidia drivers when I get a > chance to compile them. Not comfortable with grabbing binary versions for > obvious reasons.) > > Thanks. You guys rock! > Looks like it could be this issue: https://github.com/QubesOS/qubes-issues/issues/1028 As you can see from the qubes-builder-github comments, some patches for this are already in the testing repos. You may want to give those a try. - -- Andrew David Wong (Axon) Community Manager, Qubes OS https://www.qubes-os.org -BEGIN PGP SIGNATURE- iQIcBAEBCgAGBQJXsmoxAAoJENtN07w5UDAwtQQP/RckS46Sz/2A1gVUumsAuTzv wwgW0xOiyZRJI6S6U/YxCAaxek+bTjkpES7qms2ppx13UDvld/sRD3SelkE/GGqz aFKQNmuXMjUf9dZOjbqbF+fz9rzsZKAtIqjchWtWOTlVC3C6YQXhoP3vNPX0xw76 DmuJ7nhGeBnfwUarKkmhkR6azMz7wDLVB981mK0KrDfRtk+zgiE2AXYlECrLSrq7 Hg5ZBIYPBiDvhlcR23xn3dbje4e4F9u6YO67ziD3WkxOmi+lKoOdP/7fib1Bb0Uk QU5sM3Yy7PwFOS5lTLuNAC+SyWlTPRpXp/avJjZx4bE/5Uuf9kKf4+0r7voTM5PZ NO8tg3yDJAYIExMQka+4J7OS//ZXYyIMRyJyi4QcHiz2Ch79uIdvNDV574QY7jkm 04rHBnxslsYjoHfSmDqY1HQuqEX9An3f7OR4upKF+67g9q3rw1QvVSgW9xBbvO4G KcFdH+W85CZYefyTcZK2KFXsg4IZnmC8LWiZVkYEy5aXtLqGmV130LXvE8y+xeJH /NijZ0bd1etAtLmZbdWdqVo5NjjpG2M9Sb8vYGSxaUa0+S69rdezlDXs0kOgL1Wd 6WaFon8jUMMiLdQ7yRszzzWuP/DGp5f8IOfVgVJ/lVRBvbcmyfkLjrt1db8fmKU1 bqEOlqGjLcLNj9sb1BXT =gpn+ -END PGP SIGNATURE- -- You received this message because you are subscribed to the Google Groups "qubes-users" group. To unsubscribe from this group and stop receiving emails from it, send an email to qubes-users+unsubscr...@googlegroups.com. To post to this group, send email to qubes-users@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/qubes-users/39a530c3-0b23-7e62-75dc-d6c4fef3231e%40qubes-os.org. For more options, visit https://groups.google.com/d/optout.
