IRC log for #maemo on 20170815

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03:07.41jrgcan a kindle 2 run maemo? :)
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04:17.39VajbKotCzarny: freemangordon: it still reboots randomly with limits 250 250
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04:32.27sicelojrg: if you do the adaptation .. we used to say No everytime, but the awesome hackers here have made it a yes for some devices (think allwinner)
04:45.17DocScrutinizer05a "yes almost"
04:45.39DocScrutinizer05aka "work in progress"
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11:30.31VajbKotCzarny: "chroot n900"
11:30.31Vajb10:01 <Vajb> chroot: failed to run command '/bin/bash': No such file or
11:30.31Vajb<PROTECTED>
11:31.04Vajbis it typical problem on virtualbox?
11:35.02KotCzarnyum?
11:37.18Vajbim following that wikipage and ran on to such a problem
11:37.50KotCzarnywhich wikipage?
11:37.59Vajbdevuan on n900
11:38.16KotCzarnyls n900/bin|grep sh
11:38.58Vajbthat should fix the problem?
11:39.18KotCzarnyno, it will show if there is some shell in that dir
11:39.36Vajbim asking ahead here, actually at work and will continue tomorrow
11:39.59Vajband just thought that u might have some good ideas :)
11:40.07KotCzarnysometimes 'no such file' comes when /lib/ld* is missing
11:40.56Vajbi istalled bunch of chroot related stuff and copied bash in few places but it didn't help
11:41.18KotCzarnythen it might be missing linker library case
11:41.40KotCzarnystill, requires some more debug
11:41.47Vajbin n900 folder /bin is just symlink to /usr/bin
11:42.12KotCzarnyis there bash?
11:42.33Vajbin that folder? Yes
11:42.43Vajbit is in /usr/bin/bash
11:43.12Vajbalso i copied bash to /usr/bin/bash in guest os
11:43.15KotCzarnycan you open the file in some editor and check what /lib it is linked to?
11:43.48Vajbnot at the moment sorry :/
11:44.18Vajbbut how to do it anyway?
11:44.31Vajbthat'll go into my toolbox for tomorrow
11:44.57KotCzarnyless n900/usr/bin/bash
11:45.35KotCzarnyit will be a mess, but somewhere close to the top there will be a string similar to this: /lib64/ld-linux-x86-64.so.2
11:45.53KotCzarnyobviously that's from my x86_64, so yours will be different
11:46.11KotCzarnythen you will have to check if that file exists in your chroot
11:49.29Vajb<PROTECTED>
11:50.19KotCzarnyhmm, you are running arm binaries in x86 env?
11:50.28KotCzarnythat obviously wouldn't work
11:50.48KotCzarnywhat are you trying to achieve anyway?
11:51.31Vajbim at the "building devuan file system" in that wike
11:51.54Vajbi managed to build 4.10.8 kernel this morning
11:51.59KotCzarny:)
11:52.14KotCzarnysadly, i havent played with them
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11:53.01Vajbnp, u just happen to be me "jack knife of linux" ;)
11:53.09Vajbso i thought to ask
11:53.16Vajbto be my*
11:53.27KotCzarnyyeah, i can help with generic questions, but dont really know what they do there
11:53.51Vajbdid u look at the wiki?
11:53.56KotCzarnynope
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11:53.59KotCzarnycleaning house
11:54.05Vajbok np
11:54.41Vajbi'll try those when i get on to it and come back with the wiki link
11:54.49Vajbbut that'll be tomorrow
11:54.57KotCzarnyyou can try asking maxd, he might have played with it
11:55.17Vajbok
11:55.57Vajbim also building with my devuan pc to see if i end up with same problem
11:56.23Vajbi left it to "make modules" state and went to work
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12:34.31MaxdamantusVajb: you might want to try running ld-linux first, in case the binary is pointing to the wrong one.
12:34.45MaxdamantusVajb: something like: chroot n900 /lib/ld-linux.so.2 /bin/bash
12:35.22bencohif it's pointing to the wrong one, you most certainly want to fix your chroot instead :)
12:35.45MaxdamantusIndeed. Something's obviously broken there.
12:36.15Maxdamantusbut at least if you try running ld-linux directly, you won't be as confused when it says "no such file or directory"
12:49.29Vajbok. I'll try that
12:50.42Vajbbut what left me puzzled is, how come it can be broken? This is freshly installed Devuan Jessie on virtualbox. Or is that cause of virtualbox?
12:54.22MaxdamantusWhat are you chrooting from?
12:57.08VajbMaxdamantus: im following this wiki page wiki.maemo.org/Devuan_on_N900
12:58.02Vajbi managed to build kernel and now im stuck at creating devuan file system
12:58.33Vajband precisely "chroot n900" command stopped me there today
12:59.35MaxdamantusSo you're sure n900/usr/bin/qemu-arm-static exists?
13:01.32bencohhmm ... why does he build mainline-4.10.8 configured with a 4.6-rc1 defconfig from pali's tree?
13:04.54MaxdamantusDunno. I guess it gets fixed up when doing `make menuconfig`
13:05.08Maxdamantuslike when reusing an old .config
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13:06.01bencohsure, I just don't see the point
13:06.22bencohsomething missing/broken in mainline defconfig maybe
13:07.05Maxdamantusmainline doesn't have rx51_defconfig
13:09.16bencohah, okay :)
13:09.35Maxdamantussleeps.
13:09.36Vajbwell to be honest im just following instructions :)
13:10.16Vajband maybe learn something while im at it
13:10.29MaxdamantusVajb: I'm guessing problem most likely has to do with the qemu-arm-static bit.
13:11.51MaxdamantusVajb: when doing the chroot, binfmt-misc's mechanism relies on the denoted executable (presumably /usr/bin/qemu-arm-static) existing inside the new root.
13:12.49Maxdamantusyou might want to look in /proc/sys/fs/binfmt_misc to see if that is the exact path it should be trying.
13:13.02Maxdamantusanyway, bed.
13:13.34VajbMaxdamantus: ok. I got all the other commands through eventually without erros so i guess all should be in place, but i'll double check tomorrow
13:16.09Enrico_MenottiMaxdamantus bencoh The procedure of building mainline kernel with pali's defconfig was a suggestion by freemangordon, a few months ago. At that time, mainline stable kernel was 4.10.y. Now it is 4.12.y.
13:16.32bencohEnrico_Menotti: ah, okay :)
13:16.48bencohthanks for the nice wiki page btw ... looks pretty useful :)
13:18.09Vajbit sure looked easy enough that i got curious :)
13:18.41Enrico_MenottiThe rx51_defconfig works fine, apart from the fact that it has the watchdogs in the modules, which, due to other facts, prevents the system from being stable (modules are loaded too late and the system reboots). So I modded the menuconfig in order to put the watchdogs in the kernel binary.
13:20.03Enrico_MenottiIn any case, seems Vajb reached correctly a kernel binary. Now he's stuck at the debootstrapping process, and in particular in the second phase, since he's unable to chroot on his virtual machine.
13:21.36bencohyup
13:21.48Vajbi'll have all my steps saved so it might provide some help for someone
13:24.42Enrico_Menottibencoh I'm glad that wiki is useful for somebody. We found some errors there, though. I have written it after having had the system running, and forgot some details in the commands (the curl which downloads Pali's defconfig has an wrong target - there's just the path, the filename is missing - and the debootstrap command has a wrong url - a further folder needs to be specified in the path).
13:26.26VajbEnrico_Menotti: maybe u can fix the wiki after i manage to make this work? If i manage that is :)
13:26.26Enrico_MenottiBack to the chroot problem, I think it be a bit too much to do a chroot on a virtual machine, since it's kind of a box in a box. That looks to me a bit too complicated, and prone to problems.
13:27.29bencohwhy?
13:27.52Enrico_MenottiVajb Sure. Now on the Devuan pc, how did you download the rx51_defconfig? Did you use the curl with a different -o parameter (or -O) as I suggested, or again downloaded the rx51_defconfig and put that in the right folder manually?
13:28.40Enrico_Menottibencoh Well, the virtual machine is already an emulated system, and the chroot invokes the qemu, thereby emulating a system on an emulated system, right?
13:28.46VajbEnrico_Menotti: i did it manually. Just downloaded it via browser and mv to correct place.
13:28.55bencohEnrico_Menotti: this shouldn't be an issue
13:29.13bencoharm emulation on x86 is software-based in qemu (afaict)
13:29.35Enrico_Menottibencoh Yes, ideally not, but maybe there is some mismatch.
13:30.19Enrico_MenottiIf one can work on a Devuan pc, then one virtualisation is skipped, and things are simpler and less prone to issues (in my opinon).
13:31.19Vajbim glad that i have both options available :)
13:31.52Enrico_MenottiVajb Please just try also with curl, without rebuilding the kernel, just to see whether the corrected curl command works. If it does, I will correct the wiki.
13:31.53bencohEnrico_Menotti: it shouldn't really matter
13:33.13Enrico_Menottibencoh If all things are done properly, no. But you have one step more to take care of, right?
13:33.52bencohsetting up your vbox properly, yeah
13:34.33Enrico_MenottiYes. Probably there's some detail out of its place there.
13:35.15Vajboh yeah, I might be in problems with vbox too. I thought 10gb would be plenty. It seems it wasn't. Less than 300mb free...
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