Nice, Quick & dirty fix of the backlight.
https://projects.kwaak.net/twiki/pub/Epc700/KernelPort26Compiling/uImage_2.6.24.3RV101 You can change it in the terminal# echo "n" > /proc/jz/backlight, where n is number between 0(off) - 10(max on) When switching between /dev/tty1 > /dev/tty7 default setting will be set back to 5 (middle) Grt Ruben. > Date: Tue, 15 Mar 2011 22:15:11 -0500 > Subject: Re: [Mipsbook-devel] New rootfs > From: matt.oudenho...@gmail.com > To: r_vi...@hotmail.com > > Well i decided to skip trying with lenny and jumped right to anOS. Low > and behold i got a few noises. So for kicks i rebuilt madplay without > alsa and with esd and bam! Beautiful music! So now i will rebuild the > entire rootfs and remove alsa and alsa-lib from all audio/video > software at compile time. This should leave me with a clean alsa free > rootfs with sweet sweet sound. Once i have everything rebuilt i will > post a link to a rootfs you all can boot from SD to play with. From > there i plan to keep building and building. > > Thanks soooo much for this kernel. Any chance you could fix the > backlight control though? It doesnt seem to work. Other than that it > works great and the framebuffer doesn't shift to the right slowly over > time like the xxxxxx-dirty kernel did. > > Cheers. > > On 3/15/11, Ruben Viets <r_vi...@hotmail.com> wrote: > > > > Hi Matt, > > > > You're welcome. > > > > 0) Make sure you have an original backup of you're mtdblock / nand > > partitions (especially /dev/mtdblock3). The kernel can damage you're jffs2 > > recovery partition. > > > > 1) Kernel uImage_RV10 includes all kernel drivers (also zd1211b), don't need > > to insmod modules. > > For lenny you need to add udev and zd1211 firmware drivers. These are > > included in my old lenny tar. /lib/firmware/zd1211 /lib/udev > > Or if you have the cable ethernet ifup eth0 working in lenny, use apt-get to > > get them. > > http://www.mail-archive.com/mipsbook-devel@linuxtogo.org/msg00257.html > > > > 2) The kernel can boot from SD card, by keep F2 pressed during boot uImage > > = /dev/mmcblk0p1 179 1 type vfat roofs= /dev/mmcblk0p2 179 2 type ext3 > > Standard it will boot from nand /dev/mtdblock4 type yaffs > > The kernel will also work with older debian etch / 3MX/ or other 2.4.20 if > > the /dev/ is slightly modified. > > > > 3) Better not press F3 during boot of this kernel, this will damage you're > > /dev/mtdblock3 (as it tries to automount to yaffs2..., which corrupt the > > jffs2) recovery partition. > > Also not copy it to /dev/mtdblock1 when you want to use the older kernel 2.4 > > recovery partition (F3). > > > > 4) My old lenny tar. (In the rootfs you need to add mknod /dev/mmcblk0p1 brw > > 179 1 and /dev/mmcblk0p2 brw 179 2 for SD card access) > > http://www.divshare.com/download/12366817-b49 > > Yes lenny apps are ancient, nice and retro enough ;-) > > You could also consider get make & gcc compiling working on lenny. > > Compile apps on minibook + lenny (on SD card 8GB), relax and take some time > > as compiling is slow on the minibook ;-) > > Afterwards use a limited lenny extraction removing the possible overhead and > > use the compiled binary apps. > > > > 6) I have tried sid upgrade, works too. But udev needs indeed upgrade of > > kernel to > 2.6.24.3. > > My kernel 2.6.31.3_RV11 have to many issues, to try and reverse engineering > > (issues to resolve from 2.6.24.3) . > > If this becomes stable, this would make sid upgrade possible. (Any volunteer > > to do the fixes ?) > > > > Grt Ruben. > > PS. (Kernel 2.6.31.3 maybe opens the door to mips-android?, ingenic has > > compiled some jz_demo for jz4750, not sure mips-android would run on jz4730) > > > >> Date: Mon, 14 Mar 2011 22:06:32 -0500 > >> Subject: Re: [Mipsbook-devel] New rootfs > >> From: matt.oudenho...@gmail.com > >> To: r_vi...@hotmail.com > >> CC: mipsbook-devel@linuxtogo.org > >> > >> Awesome thanks. Will that uImage work with my existing > >> 2.6.24.3-xxxxxxxx-dirty kernel modules? Or did you build the zydas > >> wifi driver into the kernel? If not can you email me or upload the > >> modules for the kernel you linked? I'll fire up my lenny SD card and > >> see if i can get sound working with the older esd. I know nothing > >> about kernel hacking, so it might be easier for me to rebuild anOS to > >> use esd instead of alsa/oss, and rebuild all the audio/video software > >> to use esd also, and remove alsa all together if thats what i need to > >> do to have sound with the current 2.6 kernel. > >> > >> Otherwise the 2.4 kernel works well. I do miss not having udev to > >> automount devices, but doing it manually isn't that cumbersome. The > >> lack of WPA in 2.4 kernel (cant use skytones proprietary wifiup, > >> wireless-lan etc as it wont work with uclib) isnt a problem for me, > >> but it might be for other people. > >> > >> My problem with lenny is that its old. The software is ancient. Heck > >> my 3MX-Ultra3 rootfs (http://www.hostwork.com/users/matt/alpha400/ ) > >> i built last year has "some" newer software in it. I also > >> dist-upgraded from Lenny to Sid and it worked for the most part (after > >> reverting back to older udev because sids udev needed a newer 2.6 > >> kernel) but it had some oddities after the upgrade. Thats why i'm > >> going the "build my own rootfs" route again currently. Everything in > >> anOS is current, optimized, and unbloated. The problem is cross > >> compiling vs apt-get, but thats part of the fun. :) > >> > >> Cheers. > >> > >> On 3/14/11, Ruben Viets <r_vi...@hotmail.com> wrote: > >> > > >> > Hi Matt, > >> > > >> > My latest uImage from about 1 year ago includes working sound in kernel > >> > 2.6.24.3 (with older etch drivers for esound on trendtac epc700 it's > >> > working). > >> > http://projects.kwaak.net/twiki/pub/Epc700/KernelPort26Compiling/uImage_RV10 > >> > > >> > You may try it out (at own risk), it's not build with softfloat. > >> > > >> > Sound issues: > >> > W.r.t. kernel 2.4, it is possible the esound server / sdl driver are not > >> > working because: > >> > 0) There is some dma issue when using sd card which makes the kernel > >> > stuck > >> > when playing sound. I have changed the order of dma between sound & mmc > >> > which seems to help. > >> > 1) May need to 'fix' the esound issue by using the original esound > >> > binary > >> > from etch in lenny. > >> > 2) Some of the sdl part I could not fix (my fmsx compiled version, still > >> > have no sound on kernel 2.6) . > >> > This is where the annoying thing about kernel 2.6 is about, I guess. > >> > Item 0) is workaroundable, but maybe not ok for other minibooks. > >> > Item 1) is workaroundable, but maybe not ok for other sound drivers like > >> > asound / alsa and others. > >> > Item 2) need more/other fixes in the kernel sound drivers. > >> > > >> > The latest kernel fixes / patches / details so far are maintained and > >> > reported by Nikolaus: http://projects.goldelico.com/p/letux-400/ > >> > You may modify the kernel to build with softfloat and try to fix the > >> > sound > >> > issue to get you're new distro stable in kernel 2.6. > >> > > >> > Grt Ruben. > >> > > >> > PS. > >> > At the moment Lenny, fluxbox & rox is good enough for me. > >> > > >> >> Date: Mon, 14 Mar 2011 08:18:23 -0500 > >> >> From: matt.oudenho...@gmail.com > >> >> To: daniel...@gmx.net > >> >> CC: mipsbook-devel@linuxtogo.org > >> >> Subject: Re: [Mipsbook-devel] New rootfs > >> >> > >> >> I built everything with softfloat and used libmad and tremor for > >> >> mplayer. Mp3's play great with madplay and/or mplayer. Video's encoded > >> >> with settings similar to what is needed for pocket pc's also play > >> >> extremely well full screened. > >> >> > >> >> While i too like debian it was just too heavy on these machines. My > >> >> rootfs at 125mb would take about 500mb if i installed the same > >> >> software in debian. The only 2 drawbacks right now are lack of udev > >> >> support and wpa (without skytones weird proprietary wifiup and > >> >> wireless-lan software). > >> >> > >> >> Cheers. > >> >> > >> >> On 3/14/11, Daniel Glöckner <daniel...@gmx.net> wrote: > >> >> > On Mon, Mar 14, 2011 at 09:16:08AM +0100, Riccardo Mottola wrote: > >> >> >> I'm not so concerned about > >> >> >> sound, which I never used on 2.4 too since with FPU emulation it is > >> >> >> not > >> >> >> possible to play MP3s > >> >> > > >> >> > You don't need an FPU to play MP3s: > >> >> > http://www.underbit.com/products/mad/ > >> >> > > >> >> > And if you prefer Vorbis, there is the Tremor decoder, which is used > >> >> > f.ex. by mplayer. > >> >> > > >> >> > Daniel > >> >> > > >> >> > _______________________________________________ > >> >> > Mipsbook-devel mailing list > >> >> > Mipsbook-devel@linuxtogo.org > >> >> > http://lists.linuxtogo.org/cgi-bin/mailman/listinfo/mipsbook-devel > >> >> > > >> >> > >> >> _______________________________________________ > >> >> Mipsbook-devel mailing list > >> >> Mipsbook-devel@linuxtogo.org > >> >> http://lists.linuxtogo.org/cgi-bin/mailman/listinfo/mipsbook-devel > >> > > >
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