On Tue, 18 Nov 2008 11:15:05 +0100 Petr Vanek <[EMAIL PROTECTED]> (PV) wrote:
>On Tue, 18 Nov 2008 08:29:36 +0000 >Andy Green <[EMAIL PROTECTED]> (AG) wrote: > >>-----BEGIN PGP SIGNED MESSAGE----- >>Hash: SHA1 >> >>Somebody in the thread at some point said: >> >>| i am not sure if this is helpful but i have tried to disable X and >>run | just the terminal. Then after suspend (apm -s) and resume the >>screen | remained white (wsod) again (so Xwin was not loaded at all). >> >>It's about as helpful as we can hope for, thanks... suspend and resume >>with echo mem > /sys/power/state here (I will try apm -s) at least >>does not make WSOD ever since the glamo gpio change. So we are >>fighting the same problem Harald found that some devices do it and >>some don't I think. >> >>There is still a race flying about, between jbt6k74 (LCM ASIC) resume >>and the async action of framebuffer unblank, which calls through to >>jbt6k74 stuff even when it might be suspended. They should be >>serialized by mutex or whatever but it's possible the one can crap on >>the state of the other at the LCM ASIC in a way leading to WSOD and >>that's part of the mystery. >> >>Because we want Balaji's stuff in the new stable it will be branched >>off andy-tracking rather than stable-tracking when we nuke the last >>few bugs including this. (Balaji's stuff is based off >>stable-tracking, andy-tracking is based off Balaji's stuff; but if we >>import Balaji's stuff direct to stable-tracking it will conflict when >>we see it come in from upstream.) So I am uploading kernels from >>andy-tracking now here: >> >>http://people.openmoko.org/andy >> >>one of the changes in Balaji's work is that the backlight device is >>now a child of the LCM ASIC driver, if this doesn't fix the race it >>could at least modify it. So if this is anything to do with >>anything, it's possible andy-tracking stuff may act differently there. >> > >so i have flashed >uImage-moredrivers-GTA02_andy-tracking_c08a4eb0f4266a72.bin and used >this Qi qi-s3c2442-andy_7cc3d38184ae30bd.udfu which surprisingly loaded >the kernel from NAND??? (flash card outside on the table: >[EMAIL PROTECTED]:~# uname -a >Linux om-gta02 2.6.28-GTA02_andy-tracking_c08a4eb0f4266a72-mokodev #168 >PREEMPT Mon Nov 17 17:04:29 GMT 2008 armv4tl unknown > >wsod again, i tried echo mem > /sys/power/state and then did suspend by >the button... i think... :) > >but this kernel doesn't have >/sys/class/i2c-adapter/i2c-0/0-0073/glamo3362.0/regs to send any >status... ufff, after reboot the display did not react at all, removing battery and reboot did not help, flashing todays daily release of u-boot and kernel fixed this. what a fright i got... i can still retry if needed and if i find some courage :) please let me know, -- Petr
