gmane.linux.swsusp.general

Re: Dual images

Pierre-Alexandre Meyer — 2008-12-03T23:42:08

Oh, my bad - I mixed the two of them. I'll try that! Best,

End of line for 2.6.22, 2.6.23,Ubuntu Feisty support.

Nigel Cunningham — 2008-12-03T23:46:24

Hi all. My installed headers are causing me grief with compiling older kernels, and they are quite out of date now anyway, so I'm going to discontinue support for the above kernels, unless someone gives me a good reason not to. Regards, Nigel

Re: Dual images

Pierre-Alexandre Meyer — 2008-12-03T23:22:15

Hi Nigel, I think (correct me if I am wrong) my installation is safe. The kiosk image has been created right after a pristine installation, with no writable filesystem mounted. I mount my local data storage at each resume from this image. The Linux distribution itself is simply a squash file union mounted with a tmpfs (basic Ubuntu). Sure. I actually ran across one of your posts on the archives: http://lists.tuxonice.net/lurker/message/20080725.061913.5ff50296.en.html You are stating: I can definitively try it but I don't understand how that would be different. My understanding was that swap partition or swap file is actually the same for the kernel - a swap area. You need to swapon (wathever that actually means) this area either case. Am I wrong? Thanks for your answer,

Re: Dual images

Nigel Cunningham — 2008-12-03T23:30:31

Hi again. On Thu, 2008-12-04 at 00:22 +0100, Pierre-Alexandre Meyer wrote: That sounds like it should be safe. I don't mean a swapfile, but an ordinary file, using the file allocator rather than the swap allocator. In this case, swap is not in the picture at all - the file is only used for hibernation. Regards, Nigel _______________________________________________ TuxOnIce-users mailing list TuxOnIce-users< at >lists.tuxonice.net http://lists.tuxonice.net/mailman/listinfo/tuxonice-users

Re: forced shutdown of UPS after RAM contents are saved?

Nigel Cunningham — 2008-12-03T22:03:45

Hi. On Wed, 2008-12-03 at 14:11 +0000, Kārlis Repsons wrote: You need to put everything related to telling the UPS to power down into that initramfs, and anything necessary to set up for hibernating. The simplest case would be that you have a kernel with all of the drivers needed for accessing your hibernation storage compiled in, and your binary for powering off your UPS is statically compiled. You'd then do something along the lines of: echo > /sys/power/tuxonice/do_hibernate /bin/my-ups-command --powerdown This initramfs could even be your normal one if it was make to understand an extra commandline option and use that to trigger the above commands, provided that they were run prior to mount root (and other) filesystems. Both swap files and ordinary files (using the file allocator) should be fine. Try powerdown method 4. It has fixed a number of issues people have seen recently. Regards, Nigel _______________________________________________ TuxOnIce-users mailing list TuxOnIce-users< at >lists.tuxo

Re: Dual images

Nigel Cunningham — 2008-12-03T21:56:59

Hi Pierre-Alexandre. On Wed, 2008-12-03 at 22:08 +0100, Pierre-Alexandre Meyer wrote: Is the data stored in /dev/sda6 from unchanging filesystems? If there's any chance of the data stored there being changed, using kiosk mode is not safe. Hmmm.... the difficulty comes from the fact that I never imagined anyone doing something like this, and so never wrote code to support having multiple valid images at the same time from one context. It's doable, just not something that's supported at the moment. The simplest way to get around this would be to use the file allocator instead of swap. Would you consider that? Regards, Nigel

Dual images

Pierre-Alexandre Meyer — 2008-12-03T21:08:12

Hi all, I am currently trying to use the kiosk feature (keep_image) in order to speed up my boot time: echo /dev/sda6 > /sys/power/tuxonice/resume echo 1 > /sys/power/tuxonice/keep_image This works great and allows me to have a pristine image of my system on /dev/sda6 (swap partition) from which I can resume. But I would also like to be able to suspend-to-disk on another partition (/dev/sda7), using it as a regular hibernate partition, that is not permanent across reboots. "Boot" is performed via /dev/sda6 and if I want to save temporarily the state of my machine, I hibernate on /dev/sda7. This can be done in the initrd easily: ... # First, try to resume from the swap partition (suspend triggered by he calling hibernate) echo /dev/sda7 > /sys/power/tuxonice/resume echo 1 > /sys/power/tuxonice/do_resume # If the initrd comes here, I didn't hibernate, it was probably a shutdown # Let's try to use the kiosk image echo /dev/sda6 > /sys/power/tuxonice/resume

Re: Hibernation support among graphics cards

ace — 2008-12-03T20:24:56

Nigel Cunningham wrote / napísal(a): But you should probably still distinguish between driver versions. I am talking about the 71.86.xx series (oldest legacy class). That one oficially supports only APM suspend and ACPI S3... If you remove blacklist, it is probably safe only for the newest 1xx.xx range. > Hope this helps. Yes, thanks for your hints. Peter

Re: forced shutdown of UPS after RAM contents aresaved?

Kārlis Repsons — 2008-12-03T14:11:49

.. ready. how will that happen? So I have to include everything hibernate related into initramfs or that is kernel supported? clear... Ah, now I learn, is not a bad idea to have extended partition and free space.. Is it hard / risky to use files? I have sufficient amount of free space in boot partition and no real will to delete my existing partitions! .. Thanks. How stable is tuxonice with nvidia cards? Last time I used tuxonice with them, I got hangs at resume instead of enhancements... k.

Re: Can I leave network media mounted ro?

Nigel Cunningham — 2008-12-03T03:10:00

Hi again. On Wed, 2008-12-03 at 03:52 +0100, Bartek Ćwikłowski wrote: I don't know the details of how NFS etc work. If they're paranoid about validating requests from clients (as I'd expect them to be), the main potential for problems would be in your client being told that data it has is suddenly invalid. If those error paths are properly debugged, you should be right. TuxOnIce already has support for dropping page cache - set /sys/power/tuxonice/image_size_limit to -2. It's done when preparing the image rather than when resuming, but I don't think that should matter. Regards, Nigel _______________________________________________ TuxOnIce-users mailing list TuxOnIce-users< at >lists.tuxonice.net http://lists.tuxonice.net/mailman/listinfo/tuxonice-users

Re: Can I leave network media mounted ro?

Bartek Ćwikłowski — 2008-12-03T02:52:57

Hi, But what trouble exactly? If I hibernate while playing some mp3 file and it is deleted/changed during poweroff time (highly unlikely) will it crash my player (perfectly acceptable for those rare situations) or something worse? I googled "sync && echo N > /proc/sys/vm/drop_caches", but N depends on what exactly I want to free (pagecache, dentries, inodes). Also, when it should be run? OnResume 0 is started after processes are unfreezed, so it would be too late, right? Regards, Bartek Cwiklowski

Re: Hibernation support among graphics cards

Nigel Cunningham — 2008-12-03T00:50:04

Hi. On Tue, 2008-12-02 at 16:51 +0100, ace wrote: It shouldn't be blacklisted anymore. I've just removed the blacklisting in SVN (with kernels post 2.6.25). They should all be reliable, hence the removal above. Not here. Hope this helps. Nigel

Re: Can I leave network media mounted ro?

Nigel Cunningham — 2008-12-03T00:48:16

Gidday. On Wed, 2008-12-03 at 01:02 +0100, Bartek Ćwikłowski wrote: If data on the server changes while you're hibernated and the client on your side doesn't refresh its data when resuming, you might run into trouble. If you can tell your computer to invalidate local caches, it might work. Regards, Nigel _______________________________________________ TuxOnIce-users mailing list TuxOnIce-users< at >lists.tuxonice.net http://lists.tuxonice.net/mailman/listinfo/tuxonice-users

Can I leave network media mounted ro?

Bartek Ćwikłowski — 2008-12-03T00:02:15

Hi, http://www.tuxonice.net/HOWTO-4.html mentions that I have to unmount nfs/smbfs mounted media during hibernation because I "risk losing data". Is it true if I have some shares mounted read-only (they are also exported read-only)? I have some movies and music exported from my file-server and I don't like killing mediaplayers just because I have to unmount their data. thanks in advance, Bartek Cwiklowski

Re: nvidia-legacy and >=2.6.25

Bartek Ćwikłowski — 2008-12-02T22:35:09

Hi, Today I did some testing of suspending followed by shutdown, with various kernel versions and s2disk. I also modified "shutdown method" from /etc/suspend.conf. here are the results: A -> shutdown method = shutdown B -> shutdown method = platform now 2.6.26A hangs on suspending just like tuxonice with default powerdownmethod 2.6.26B works great 2.6.27A suspends, shutdowns, but hangs with black screen after resume 2.6.27B reboots instead of shutting down - otherwise works. 2.6.28A hangs on suspending just like tuxonice with default powerdownmethod 2.6.28B reboots instead of shutting down - otherwise works. so looks like platform thingie is broken since 2.6.27 and shutdown method since 2.6.25. Anyway it doesn't look look like it is tuxonice fault (check https://kerneltrap.org/mailarchive/linux-kernel/2008/7/16/2530114/thread ), so you don't have to write any patches just for me, I'm perfectly fine with commenting out that one line, I wrote about earlier, in my own 2.6.27 with tuxonice. Regards,

Hibernation support among graphics cards

ace — 2008-12-02T15:51:20

Hi guys. I am planning to get a new PC and a new graphics card. I am wondering which brands and drivers are working with tuxonice. Maybe it will help more people to have an overview list like this. My experiences so far: - Nvidia old era (TNT2) + free nv driver (no 3D accel) = no problems. - Nvidia old era (TNT2) + binary closed driver (3D accel) = it is blacklisted by tuxonice, no hibernation. The driver itself doesn't even work lately on my machine. - Radeon middle era (9550) + free radeon driver (3D accel) = no problems. My observations from this list: - Nvidia new era (8xxx - 9xxxx) + binary closed driver (3D accel) = varying success. Depends on driver version, card and other factors. My questions: - Radeon new era (radeon HD 3xxxx - 4xxx) + free radeonHD driver (3D accel?)= ??? (any experieces?) - Intel new era (9xx) + (free?) driver (3D) = ??? (any experieces?) This is on a desktop PC. Laptops probably have their own share of problems with ACPI and gfx cards. Has anybody experiences with the

Re: nvidia-legacy and >=2.6.25

Nigel Cunningham — 2008-12-02T11:29:31

Hi. On Tue, 2008-12-02 at 02:44 +0100, Bartek Ćwikłowski wrote: Great. Sounds like you might have some sort of regression. It worked fine with 2.6.26 or earlier? Regards, Nigel _______________________________________________ TuxOnIce-users mailing list TuxOnIce-users< at >lists.tuxonice.net http://lists.tuxonice.net/mailman/listinfo/tuxonice-users

Re: nvidia-legacy and >=2.6.25

Nigel Cunningham — 2008-12-02T11:25:32

Hi. On Tue, 2008-12-02 at 11:10 +0200, Dmitry Nezhevenko wrote: Yes, that's the aim. The patch will make TuxOnIce always run the S4 code when doing the atomic copy and restore, but use the code for your chosen powerdown method when doing the actual power off. Given what you say, it sounds like it shouldn't cause any problems. Regards, Nigel

Re: nvidia-legacy and >=2.6.25

Dmitry Nezhevenko — 2008-12-02T09:10:25

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Re: nvidia-legacy and >=2.6.25

Bartek Ćwikłowski — 2008-12-02T03:04:14

Hi, no problem, I can test whatever patch you need. Regards, Bartek Cwiklowski

Re: nvidia-legacy and >=2.6.25

Nigel Cunningham — 2008-12-02T02:57:28

Hi again. On Tue, 2008-12-02 at 03:52 +0100, Bartek Ćwikłowski wrote: Okay. So, then, the problem is that you need to use S4 for doing the atomic copy and restore, but need to not use it for powering down. That's certainly doable. I have a patch in the works that I'll send to you in a while, if you're willing to test it. You should then be able to select whatever your old powerdown method was and everything should be fine. Regards, Nigel _______________________________________________ TuxOnIce-users mailing list TuxOnIce-users< at >lists.tuxonice.net http://lists.tuxonice.net/mailman/listinfo/tuxonice-users