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| 04:30.29 | flyback_ | shivers as his body fucks up yet again |
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| 06:05.13 | calculus | slashbeast: I know you have done something similar, I can't seem to get lvm to create my /dev nodes so I can mount root and friends... I have lvm as a static exec, and vgmknodes or vgchange are not creating the /dev nodes... ideas? |
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| 07:37.49 | slashbeast | calculus: I presume you wake up/setup lvm on initramfs level? |
| 07:38.37 | slashbeast | calculus: solutions are quite few. One is to move initramfs's /dev to /newroot/dev before switch_root, and make system use already-crated dev (tmpfs with mdev, devtmpfs etc). |
| 07:38.41 | slashbeast | thats one of them. |
| 07:39.10 | slashbeast | calculus: another would be run dmsetup mknodes early or a script what populate /dev/mapper with /dev/dm-* |
| 07:39.15 | slashbeast | calculus: and I use the last one https://github.com/slashbeast/mdev-like-a-boss/blob/master/devicemapper.sh |
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| 07:43.27 | slashbeast | calculus: or... if I again misunderstand and lvm vgchange -a y does not create /dev/mapper/*, does it at least print info that found X lv's? |
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| 10:59.43 | DevilElec | Hello, everyone! This is my first time on an IRC Server. I had a little query, any help would be greatly appricieated. I want to make a Tablet PC running Linux. I was wondering of going with a ARM Architecture, instead of x86, due to power saving reasons. I was wondering, if that is the right choice. Further more, i don't want to buy hobby boards, such as Pandaboard or a beagle board, i want to |
| 10:59.43 | DevilElec | interface my own motherboard myself. So from what i have read on the internet, i gather that it would be great if the Microcontroller supports ARMv7 architecture. But i couldn't find how much minimum MHz Frequecy of microcontroller is required, so that it runs a linux distributuion such as Ubuntu or Debian. |
| 11:14.32 | roxfan | anything armv7 should work |
| 11:15.13 | roxfan | please note that ARM7 is not ARMv7 |
| 11:16.41 | roxfan | making your own board is not trivial even for smaller microcontrollers, armv7 usually needs at least 4 layes (often 6 or 8) |
| 11:16.47 | roxfan | do you have any experience in board design? |
| 11:46.54 | SpeedEvil | I suggest you read http://www.mauve.plus.com/opensourcehw.txt - this is a commentary I made on why open-source hardware is hard |
| 11:46.59 | SpeedEvil | argh |
| 11:47.05 | SpeedEvil | stabs. |
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| 12:42.45 | DevilElec | no... i was hoping to learn as i go on.... i have a basic 8086 microprocessor interfacing experience. I was hoping that i hope that i learn along doing this project. |
| 12:43.34 | roxfan | making custom armv7 hw is a very bad choice to "learn as you go" |
| 12:44.10 | roxfan | big arm cpus are very complicated |
| 12:44.23 | roxfan | also see: 13:46] <SpeedEvil> I suggest you read http://www.mauve.plus.com/opensourcehw.txt - this is a commentary I made on why open-source hardware is hard |
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| 13:00.13 | DevilElec | i read the commentary, was wondering, if i want to make my own hardware, seems hard. Is there any software on which you can design first and then simulate whether it runs correct or not? |
| 13:00.24 | roxfan | yes |
| 13:00.36 | roxfan | but it's not a magic wand |
| 13:00.52 | DevilElec | ok... |
| 13:00.55 | roxfan | even pros rarely make good boards from the first try |
| 13:01.20 | roxfan | just buy something that's known to work already and experiment with it |
| 13:01.24 | SpeedEvil | Simulation relies on you having the model for the chip in question, and the chip model being correct. |
| 13:01.34 | roxfan | you'll have enough fun as is |
| 13:01.38 | DevilElec | ok.. |
| 13:01.44 | SpeedEvil | See the above for examples of why simulation won't help - if the datasheet is wrong, the model will be too. |
| 13:01.56 | SpeedEvil | Plus - you essentially can't get models for CPUs. |
| 13:02.12 | roxfan | cpu is only a part of the picture anyway |
| 13:02.28 | SpeedEvil | Indeed. |
| 13:02.30 | roxfan | there's also ram, flash, power, passive elements, etc |
| 13:02.37 | SpeedEvil | Same with RAM, ... |
| 13:02.53 | SpeedEvil | In principle, you can simulate, in practice, it's not as useful as you may hope. |
| 13:03.19 | SpeedEvil | A full 'proper' model that would let you catch all bugs in a design is likely to take years to boot in a simulator. |
| 13:03.53 | DevilElec | I dont have much budget, May be a Max of Rs. 6000(Indian Currency) |
| 13:04.13 | DevilElec | Beagle Board should work fine. |
| 13:04.18 | SpeedEvil | Indeed. |
| 13:04.32 | SpeedEvil | For this sort of stuff - it's essentially impossible to build it for the price you can buy it. |
| 13:04.50 | SpeedEvil | The only case wehre this isn't so, is generally if you can etch your own boards at home. |
| 13:05.00 | SpeedEvil | And don't value your time. |
| 13:07.19 | DevilElec | Quick Question: Can i change the Ram on the Beagle board, which ususlaly comes around 256 mb, and say may be keep 512mb of ram. I mean, it is possible to change the components on the board, right. Form what i gather about Android ICS, it requires 340mb Ram to work. |
| 13:07.46 | SpeedEvil | No. |
| 13:09.02 | SpeedEvil | pandaboard has 1G |
| 13:12.31 | DevilElec | PandaBoard ES? Was just reading that Ubuntu supports PandaBoard ES. What i am intrested in learning by doing this, is how hardware works, and how to port your OS, to the hardware you are working on. |
| 13:13.19 | SpeedEvil | First you find out if the kernel has ever booted on your processor, or processor family. |
| 13:13.38 | SpeedEvil | If so, then you look at that, and then see what's missing. |
| 13:13.57 | SpeedEvil | For example - it may have a config for a system with your CPU set to boot off SD. |
| 13:14.18 | SpeedEvil | But your system has no SD, only NAND, so you need to implement the NAND driver, and ... |
| 13:14.41 | SpeedEvil | Then once you've got all the peripherals supported in the kernel (or all you need to) - you 'normally' port an OS to it. |
| 13:14.56 | SpeedEvil | This includes stuff like configuring the OS as to how to setup the soundcards and display. |
| 13:15.49 | DevilElec | ok. |
| 13:17.34 | DevilElec | I gather , i'll buy a PandaBoard ES, and try to port an Aready ported OS, such as Android or Ubuntu, and try to learn fromit |
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| 15:10.55 | romano2k | hi there! i have a NAS running busybox and i'm trying to chmod folders and files with find, but i have issues with spaces |
| 15:11.02 | romano2k | is there a solution? :-) |
| 15:11.29 | romano2k | "find -type d | xargs -0 chmod 755" hangs with folders that has spaces |
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| 16:15.29 | landley | Fade just left for a conference in San Antonio that lasts through Sunday, so I get some quiet programming time this weekend. |
| 16:15.44 | landley | I really want to bang on toybox, but should probably get an aboriginal release out instead since it's new kernel time and all... |
| 16:46.58 | calculus | slashbeast: yeah, lvm vgchange -a y is not creating /dev/mapper/* nodes, it just keeps telling me that Volume group "vg" has been exported |
| 16:49.43 | slashbeast | calculus: thats odd and propably thats the issue, ask on #lvm what could cause that. |
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| 17:05.42 | landley | slashbeast: haven't forgotten your issue. :) |
| 17:07.35 | landley | _finally_ starting to recover from the house move and catch up on the backlog... |
| 17:10.06 | slashbeast | landley: sweet! ;_) |
| 17:10.25 | slashbeast | landley: also, if you got a minute, I think toybox could use *smart* nameif. |
| 17:10.43 | slashbeast | if I want swap eth0 with eth1, I cant do it with nameif or ifrename |
| 17:10.53 | slashbeast | I have written a ugly shelly workaround https://github.com/slashbeast/mdev-like-a-boss/blob/master/settle-nics |
| 17:11.19 | slashbeast | it parse the mactab file, if there is ex: eth0 with other than configured mac, it will rename it to eth0_tmp. |
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| 17:43.33 | landley | slashbeast: could you post it to the toybox list? (At least the design suggestion?) |
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| 18:00.21 | slashbeast | landley: Roger |
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| 19:35.09 | calculus | slashbeast: I managed to get a verbose mode, and I see some of the nodes there: /dev/sda2 0: 0 3840: slash(0:0) |
| 19:35.12 | calculus | <PROTECTED> |
| 19:35.29 | calculus | still nothing to help in /dev |
| 19:57.40 | slashbeast | calculus: can you getup your lvm on livecd? Also do you have anyting under /etc/lvm? |
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| 20:30.04 | calculus | slashbeast: just a cache directory, and my environment is aboriginal root filesystem netbooted with a kernel I crosscompiled and lvm2 as a static executable |
| 20:30.48 | slashbeast | but do the lvm works under anything else? Maybe the lvm headers are broken? Romstar at #lvm should be able help you debug it |
| 20:32.23 | calculus | I posted in #lvm earlier today, still no response |
| 20:32.44 | calculus | assuming freenode |
| 20:34.19 | slashbeast | yep |
| 20:34.43 | slashbeast | try highlighting Romstar, *friendly bump* |
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| 21:19.18 | slashbeast | anyone know a thing about DSDT? I want to somehow alter the fan speed in my laptop, like ma it work on full speed on bigger temps. |
| 21:19.35 | slashbeast | I know people do edit dsdt but I have no idea where and what should I change. |
| 21:20.11 | calculus | editing those things is no fun, I had to do it since mine was blacklisted |
| 21:20.40 | slashbeast | the thermalzone (Scope (_TZ)) seems to be pretty simple, but still I dont get it. |
| 21:22.15 | calculus | some of this looks familiar, http://www.gentoo-wiki.info/ACPI/Fix_common_problems |
| 21:22.24 | calculus | at least it mentions the tools needed |
| 21:25.39 | slashbeast | calculus: http://paste.lugons.org/show/1127/ do you understand any of it? |
| 21:26.26 | calculus | slashbeast: nope :( |
| 21:26.31 | slashbeast | Fracking dell. |
| 21:26.46 | slashbeast | first they put Realtek NIC, now the DSDT is unreadable, no even a comments. |
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