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drathir | n900 powa... | 00:31 |
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Wizzup | {-0-}: yes, that works, you can even charge from it if you want | 01:27 |
{-0-} | thanks, reassured now I'm not going to kill my new baby :) | 01:35 |
{-0-} | though now I'm para about the usb slot... | 01:35 |
{-0-} | thinking out loud.. mugen still sell the enlarged back, thinking that, wireless charging and a pass through usb slot hacked into the case | 01:37 |
{-0-} | sane? | 01:37 |
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kerio | useless | 01:38 |
{-0-} | not sane then, ok, bin that idea then, | 01:39 |
kerio | no no it's probably good | 01:40 |
kerio | well ok actually no | 01:40 |
kerio | wireless charging will leave bq24k/bq27k very confused | 01:40 |
kerio | the usb hub in the enlarged back is fine | 01:40 |
kerio | unless i misunderstood what you meant | 01:41 |
{-0-} | and the usb hub would save the main port | 01:41 |
kerio | hold on | 01:41 |
kerio | that would still require some mad soldering | 01:41 |
kerio | so the usb port is not a problem | 01:41 |
{-0-} | no, not on mine, but there are plenty warnings about the usb port being torn out, maybe's just over cautious | 01:43 |
kerio | no i mean | 01:43 |
kerio | to add the modifications you planned | 01:43 |
kerio | the issue with the usb pot is some botched soldering | 01:43 |
kerio | if you redo the soldering, the usb port is stable | 01:44 |
{-0-} | so worth doing before it breaks then | 01:45 |
{-0-} | I'll have a look and see if it's within my abilities and if not stay well clear! | 01:46 |
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drathir | ~usbfix | 01:59 |
infobot | [usbfix] http://talk.maemo.org/showthread.php?t=75920 - and **NEVER** use epoxy (unless you want to seal your device for underwater), or https://www.youtube.com/watch?v=fYz5nIHH0iY#t=1866, you will basically need two irons: a small good one (or better hot-air reflow) and a 60+ Watt | 01:59 |
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L29Ah | Loading ui! | 07:27 |
L29Ah | zsh: segmentation fault LANG=en snappy * | 07:27 |
L29Ah | nice one snappy | 07:27 |
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KotCzarny | :) | 08:22 |
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NIN101 | new rescueOS version http://n900.quitesimple.org/rescueOS/rescueOS-1.2/ | 18:18 |
kerio | nice | 18:20 |
kerio | NIN101: are you sure about "rootdelay" without a parameter | 18:22 |
kerio | shouldn't it be rootwait | 18:22 |
NIN101 | well, it works :-). | 18:23 |
kerio | and what's the point? | 18:24 |
bencoh | oh ... yay, thx :-) | 18:24 |
KotCzarny | :) | 18:25 |
bencoh | "NEW kernel rebuilt (gnoutchd)" anything added to kernel ? | 18:26 |
KotCzarny | nin101: feature idea: virtual terminals and switching via ctrl-right/left | 18:30 |
NIN101 | kerio: there was probably a reason it was added back then (so it boots), or it is a leftover of something. it can't hurt. | 18:31 |
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NIN101 | bencoh: nothing added. | 18:31 |
NIN101 | KotCzarny: hmm. | 18:32 |
kerio | NIN101: i would've called the kernel rescueOS-1.2.zImage or something | 18:32 |
KotCzarny | more like rescueOS-n900-1.2.zImage | 18:33 |
NIN101 | ok, I'll rename it. | 18:33 |
kerio | it works without rootwait | 18:38 |
kerio | do you even need the root= parameter | 18:38 |
KotCzarny | you always need the root= parameter | 18:38 |
kerio | but | 18:38 |
KotCzarny | unless it was known at the build time | 18:38 |
kerio | there's an initrd | 18:38 |
KotCzarny | initrd != initramfs | 18:38 |
kerio | hold on why is it needed to explicitly unmount the maemo root? | 18:39 |
kerio | KotCzarny: yes but nothing should be mounting any root fs here | 18:39 |
NIN101 | who says it's needed? | 18:39 |
kerio | ...right? | 18:39 |
NIN101 | it should be taken care of on shutdown | 18:40 |
KotCzarny | kerio, if you dont specify any root= option kernel would just hang because it wouldnt find init | 18:40 |
kerio | NIN101: i meant automatically | 18:40 |
KotCzarny | unless you supply cmd line at the build time | 18:40 |
kerio | as in the kernel would deal with it | 18:40 |
NIN101 | kerio: not sure I follow, why should the kernel unmount things automatically? | 18:42 |
kerio | why shouldn't it? | 18:42 |
NIN101 | kerio: write your suggestion to lkml. | 18:43 |
NIN101 | :-) | 18:43 |
kerio | alright | 18:43 |
kerio | anyway, no need for any magic cmdline apparently | 18:43 |
kerio | unless it was compiled in | 18:43 |
kerio | oh rofl | 18:44 |
KotCzarny | cat /proc/cmdline | 18:44 |
kerio | poweroff caused a panic | 18:44 |
kerio | due to missing root | 18:44 |
NIN101 | hmm? | 18:45 |
KotCzarny | dont mind him, he is using it in the way its not supposed to be | 18:46 |
NIN101 | yeah | 18:46 |
kerio | well, the initrd exited | 18:46 |
KotCzarny | good for funsies and learning, but otherwise not important | 18:47 |
kerio | so the kernel tried to keep booting | 18:47 |
KotCzarny | kerio, ever tried kill -9 1 ? | 18:47 |
kerio | it doesn't seem like a good idea | 18:47 |
kerio | wait nvm that's totally harmless | 18:47 |
KotCzarny | its just the same thing | 18:47 |
L29Ah | yeah it must be the same | 18:47 |
kerio | init can't be SIGKILLed | 18:48 |
KotCzarny | everything can be killed via kill -9 | 18:48 |
KotCzarny | unless its a zombie | 18:48 |
L29Ah | kerio: do this on your current machine then ;p | 18:48 |
kerio | the linux kernel will not deliver any fatal signal to init, apparently | 18:49 |
kerio | which includes SIGKILL | 18:49 |
L29Ah | it delivers SIGSEGV pretty well :3 | 18:49 |
KotCzarny | kerio, just try it | 18:49 |
kerio | hold on, what *is* ram0 | 18:50 |
KotCzarny | save your work tho | 18:50 |
KotCzarny | seriously, you are asking newbie questions | 18:50 |
KotCzarny | :) | 18:50 |
kerio | wow that's not condescending at all | 18:50 |
KotCzarny | ram* is a ramdisk block device | 18:51 |
kerio | ...yes, i figured as much even without reading the documentation | 18:51 |
KotCzarny | can be created and destroyed dynamically | 18:51 |
kerio | what is it used for in rescueos? | 18:51 |
KotCzarny | for initrd | 18:51 |
KotCzarny | and differs from initramfs in that way, that its seen as a block device, and not a plain fs | 18:51 |
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KotCzarny | so you have to prepare it via mkfs earlier | 18:52 |
KotCzarny | initramfs is just cpio archive glued to kernel | 18:52 |
kerio | yeah i was just missing the fact that "root=/dev/ram0" is actually special-cased in the kernel | 18:53 |
kerio | to mean "mount the initrd as the only root" | 18:53 |
KotCzarny | you cant have more than one root at a time | 18:53 |
KotCzarny | you can use pivotroot etc | 18:53 |
L29Ah | how is it special? | 18:53 |
KotCzarny | but there is alsways only one / | 18:53 |
L29Ah | there's chroot ;) | 18:54 |
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KotCzarny | chroot is just an emulation ;) | 18:54 |
kerio | L29Ah: the initrd, if present, is *always* mounted as / on the early phases of booting | 18:54 |
L29Ah | KotCzarny: you can't tell | 18:54 |
KotCzarny | l29ah: cd /proc/1/cwd, done | 18:54 |
KotCzarny | or something | 18:54 |
KotCzarny | i can tell | 18:54 |
kerio | it will then do its own shit and eventually it should mount the actual root and pivot_root it | 18:55 |
L29Ah | lrwxrwxrwx 1 root root 0 May 31 15:55 /proc/1/cwd -> / | 18:55 |
kerio | and then exec*() the new init | 18:55 |
L29Ah | it lies | 18:55 |
KotCzarny | no, not ls, do cd, then do ls | 18:55 |
L29Ah | whoa | 18:55 |
L29Ah | sick shit | 18:55 |
KotCzarny | yeah, learned it quite a time ago | 18:55 |
L29Ah | KotCzarny: :* | 18:55 |
L29Ah | tho i can use PID namespaces | 18:56 |
KotCzarny | chroot is not safe at all | 18:56 |
KotCzarny | it's just a convenience | 18:56 |
kerio | yeah, if you're leaving /proc in the jail | 18:56 |
KotCzarny | kerio: there are more ways to escape chroot | 18:56 |
KotCzarny | that is just easiest | 18:56 |
kerio | they all involve having root tho | 18:56 |
kerio | or CAP_CHROOT, whatever | 18:57 |
kerio | the easiest is definetely mkdir("tmp"), chroot("tmp"), chdir("..") x 1024, chroot(".") | 18:57 |
KotCzarny | mine was 1 cmd | 18:58 |
KotCzarny | yours is 1027 | 18:58 |
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L29Ah | kerio: didn't work | 19:00 |
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L29Ah | is it possible to paginate uboot output or scroll it back? | 23:06 |
L29Ah | help and printenv don't fit the screen | 23:06 |
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L29Ah | damn, uboot stopped to see my internal-mmc-hosted kernel after i've plugged in the external one | 23:31 |
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L29Ah | oh no it does see | 23:37 |
L29Ah | it's just emmc "forgot" the kernel | 23:37 |
L29Ah | damn | 23:37 |
L29Ah | i woder how does this happen | 23:37 |
L29Ah | wtf the directory is said to be modified two minutes ago | 23:38 |
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L29Ah | yay after a reboot it REMEMBERED it back >< | 23:53 |
L29Ah | i guess i should attach a power kernel to uboot to be able to reformat emmc to ext4 | 23:53 |
L29Ah | oh, i can haz ext3 | 23:54 |
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