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| Wikiwide | libc6 contains timezone data. Does it have any modifications between CSSU-Testing and CSSU-Devel? | 12:59 |
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| Wikiwide | Under what circumstances is upgrading kernel likely to end up with a bricked device? Keep in mind that USB port is broken. | 13:03 |
| Wikiwide | No, multiboot is not installed. | 13:04 |
| unrest | if you have no way of altering the kernel line in the bootloader and if no safe kernel is still available | 13:04 |
| unrest | idk how maemo handles kernel updates or whether it retains a "failsafe" kernel | 13:05 |
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| KotCzarny | if you dont have uboot installed, it's written directly to nand space | 13:06 |
| Wikiwide | So, I should install uboot first? | 13:06 |
| KotCzarny | so no, writing bad kernel will get you a brick, which requires usb to fix | 13:06 |
| KotCzarny | ~uboot | 13:06 |
| infobot | N900 uBoot is a siamese twin binary [uBoot+stockMaemoKernel] that resides in kernel NAND partition /dev/mtd3 aka "kernel". You can't uninstall it, rather you'll nuke it when you flash/install another kernel like stock maemo kernel or powerkernel. To start other than stock maemo kernel via uBoot, you have to provide the according kernel image files, or http://talk.maemo.org/showthread.php?t=81613 | 13:06 |
| KotCzarny | ~multiboot | 13:07 |
| infobot | well, multiboot is http://maemo.org/packages/view/multiboot/, or **DEPRECATED*, see ~maemo-multiboot | 13:07 |
| Wikiwide | If I already have kernel power 2.6.28.10 installed, is it safe to install uboot? | 13:08 |
| Wikiwide | ~maemo-multiboot | 13:08 |
| infobot | extra, extra, read all about it, maemo-multiboot is deprecated, and a horrible hack. PROBLEMS WITH NITDROID/MULTIBOOT? reflash rootfs&kernel aka COMBINED | 13:08 |
| KotCzarny | read the thread about uboot | 13:08 |
| KotCzarny | since you have broken usb port it will be tricky to fix if you do something wrong | 13:09 |
| Wikiwide | I remember it in connection with having one device that doesn't work because of combination of multiboot, kernel upgrade and broken USB port | 13:09 |
| KotCzarny | forget about multiboot | 13:09 |
| Wikiwide | Reading http://talk.maemo.org/showthread.php?t=81613 | 13:12 |
| Wikiwide | HAM is the safest, regarding dependency hell. But it will not protect against empty battery... | 13:12 |
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| Wikiwide | In HAM, kernel power 2.6.28.10 is the closest, but it is 53, not 52. | 13:15 |
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| Wikiwide | I don't get it. I can find http://repository.maemo.org/extras-devel/pool/fremantle/free/k/kernel-power/kernel-power-bootimg_2.6.28-10power52_armel.deb , but I do not see anything like "u-boot-flasher for power kernel v52", yet | 13:28 |
| KotCzarny | extras-devel. its not what you want. | 13:29 |
| Wikiwide | No idea. I just want to get system into working, consistent state where date doesn't disagree with GUI about what the timezone is. | 13:30 |
| KotCzarny | how is wrong timezone related to kernel in your case? | 13:31 |
| Wikiwide | I know that current kernel is power v52, and ham has been nagging me for ages to upgrade to v53 or something. | 13:32 |
| KotCzarny | v53 here | 13:33 |
| KotCzarny | if you dont have uboot/multiboot, then i guess upgrading to v53 should just work? | 13:33 |
| Wikiwide | Wrong timezone might be coming from a disagreement between some libraries. I don't know. So I want to get ham's question out of the way and see that yes, with everything upgraded, date is still not consistent. | 13:33 |
| Wikiwide | Should just work... At what voltage is it safe to upgrade without having nand flashing interrupted mid-way? | 13:34 |
| KotCzarny | since you are charging your battery outside, just charge it fully? | 13:35 |
| Wikiwide | Okay... Anything about free space on rootfs, homefs or MyDocs? | 13:35 |
| sixwheeledbeast | if uboot is installed it should just work with kp53 | 13:36 |
| KotCzarny | swb: does order of installing uboot and kp53 matter? | 13:37 |
| Wikiwide | I have available : 44MB on /, 63MB on /home, 38MB on MyDocs. | 13:37 |
| sixwheeledbeast | I wouldn't expect so, but IDK | 13:37 |
| Wikiwide | U-boot is not installed, at the moment. kp52 is installed. | 13:37 |
| sixwheeledbeast | it's a separate package kernel-power-bootimg | 13:38 |
| sixwheeledbeast | via HAM it would be "U-Boot with kernel 2.6.28-omap1 and Linux kernel for power user (boot image for U-Boot)" | 13:38 |
| Wikiwide | I have kernel-power 1:2.6.28-10power52 , flasher and modules too. I don't have kernel-power-bootimg installed. HAM has U-Boot with kpv53. | 13:40 |
| sixwheeledbeast | As for battery I have no idea, it's not easy to stay either because each battery is in a different state. Normally full to maybe half is recommended | 13:43 |
| sixwheeledbeast | For any serious update/upgrade | 13:43 |
| Wikiwide | So, if I install u-boot-flasher and kernel-power-bootimg v52, it should work? | 13:44 |
| Wikiwide | Nay, apt-get disagrees. | 13:45 |
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| Wikiwide | So, get full battery and just upgrade everything. | 13:48 |
| Maxdamantus | Do you have a second device to experiment with? | 13:52 |
| Maxdamantus | so you don't just brick your only one by doing something you don't quite understand? | 13:53 |
| Maxdamantus | (I wouldn't claim to understand it either; I've only ever flashed over USB, not from the device) | 13:53 |
| Wikiwide | Not sure. I might have one device with working USB port somewhere... | 13:53 |
| Wikiwide | I am not a fan of flashing in general. | 13:54 |
| Maxdamantus | (though I know how my boot sequence works, and it involves having a u-boot that looks first on the SD card, so I can always recover using that if my USB stops working) | 13:54 |
| Maxdamantus | Yeah, that's why you just install u-boot once and don't touch it again. | 13:55 |
| Wikiwide | Why cannot a device have only memory cards, instead of solder-on memory chips? | 13:55 |
| Maxdamantus | since u-boot should then look on SD/eMMC for configuration. | 13:55 |
| sixwheeledbeast | speed | 13:55 |
| KotCzarny | price | 13:56 |
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| Wikiwide | I have no memory card, yet. And my eMMC doesn't have much space on it... | 13:56 |
| Wikiwide | Speed is a valid argument. Price isn't. | 13:56 |
| KotCzarny | it is when you cut costs | 13:57 |
| KotCzarny | (from manufacturer side i guess) | 13:57 |
| KotCzarny | also in support costs/time | 13:57 |
| Wikiwide | I guess... | 13:57 |
| KotCzarny | when people start buying cheapest sh*t sdcards | 13:57 |
| KotCzarny | and they die after few weeks | 13:57 |
| sixwheeledbeast | reliability ^ | 13:58 |
| Wikiwide | But support costs would have been minimised by using memory card for booting | 13:58 |
| sixwheeledbeast | Plus it wasn't a common idea until RPi | 13:59 |
| KotCzarny | swb: many allwinner tablets used sdcard for rootfs | 13:59 |
| KotCzarny | in the A10 era | 13:59 |
| Wikiwide | Quality... That's tricky. Don't factories have quality control these days? | 13:59 |
| KotCzarny | but those were most often nonames, with no support from vendor at all | 13:59 |
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| KotCzarny | wikiwide: quality control nowadays is controlled by profits | 14:00 |
| KotCzarny | and you dont get profits if users dont buy more | 14:00 |
| KotCzarny | ie. cars breaking just after 3-4 years | 14:00 |
| sixwheeledbeast | ^ QC will have tolerance | 14:00 |
| KotCzarny | so basically its 'push it out, sell them more' | 14:00 |
| sixwheeledbeast | Certainly in a consumer market it is. | 14:01 |
| Maxdamantus | I imagine there shouldn't be an inherent reason why it should be faster. | 14:03 |
| sixwheeledbeast | I have just replaced some capacitors that where clearly fitted due to price. | 14:03 |
| Maxdamantus | If the interface used by the eMMC chip is better, why not just sell cards with that chip? | 14:03 |
| sixwheeledbeast | To anyone else the device was throw away it's done 6 years | 14:04 |
| KotCzarny | price/size | 14:04 |
| KotCzarny | even seen emmc on a subcard with pins? | 14:04 |
| KotCzarny | they are bulky | 14:04 |
| Maxdamantus | as in a NAND chip? | 14:05 |
| KotCzarny | as in emmc expansion card | 14:05 |
| Maxdamantus | I thought the eMMC chip was already kind of encapsulated. | 14:05 |
| sixwheeledbeast | Swapped Decon for Jamicon, yer not the best replacements but there are other components that will likely fail first. | 14:05 |
| KotCzarny | Maxdamantus: but you still have to connect to the system somehow | 14:05 |
| KotCzarny | and if you want faster interface, it needs more lines | 14:05 |
| KotCzarny | https://www.friendlyarm.com/index.php?route=product/product&product_id=209 | 14:06 |
| KotCzarny | an example | 14:06 |
| DocScrutinizer05 | folks, this looks not all bad: https://www.indiegogo.com/projects/cosmo-communicator#/ | 14:16 |
| DocScrutinizer05 | though the SoC... well nowadays you have to be happy if your SoC *allows* multiboot | 14:16 |
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