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How to use mirror to download linux-yocto?
Bo YU <tsu.yubo@...>
Hi,
I hope the mail list is the right place to ask the simple question about yocto. I am using meta-riscv[0] to build riscv32 qemu. And after `$(MACHINE=qemuriscv32 bitbake core-image-full-cmdline)` Everything is downloaded well but linux-yocto: ``` 0: linux-yocto-6.1.14+gitAUTOINC+e8d08fc4c0_b05ca3429c-r0 do_fetch - 12h26m11s (pid 4110422) 28% |####### | 2.00 KiB/s openembedded-core/meta/recipes-kernel/linux/linux-yocto_6.1.bb ``` I tried many time but nothing change. There is one mirror[1] I can use under my network condition. So I want to know what is right way to alter URI in openembedded-core/meta/recipes-kernel/linux/linux-yocto_6.1.bb? I googled one article to suggest use Insteadof in .gitconfig[2], is it ok? Many thanks for your help. BR, Bo [0]: https://github.com/riscv/meta-riscv [1]: https://isrc.iscas.ac.cn/gitlab/mirrors/git.yoctoproject.org/linux-yocto [3]: https://www.wpgdadatong.com/cn/blog/detail/44614 |
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Alexander Kanavin
When the slow download is happening, can you please check (e.g. from a process listing), which server specifically is being accessed and with which command? Just to be sure where the problem is. Alex On Fri 17. Mar 2023 at 15.08, Bo YU <tsu.yubo@...> wrote: Hi, |
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Bo YU <tsu.yubo@...>
Hi,
On Sat, Mar 18, 2023 at 09:29:34AM +0000, Alexander Kanavin wrote: When the slow download is happening, can you please check (e.g. from aThanks for tips. I downloaded linux-yocto about 3 days but failed and one night to download it after just sent the mail. I suspected the accessing to git://git.yoctoproject.org/linux-yocto.git is very slow under my network. So I think there is one way to replace ``` SRC_URI = "git://git.yoctoproject.org/linux-yocto.git;name=machine;branch=${KBRANCH}; \ git://git.yoctoproject.org/yocto-kernel-cache;type=kmeta;name=meta;branch=yocto-6.1;destsuffix=${KMETA}" ``` Or use another bb file to download linux-yocto kernel with mirror I mentioned. But I am fail to try this. Anway, Thank you very much! -- Regards, -- Bo YU |
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Martin Jansa
On Sun, Mar 19, 2023 at 3:50 PM Bo YU <tsu.yubo@...> wrote: Hi, You can and should use PREMIRROR like with any other source fetched by bitbake fetcher. Use BB_GENERATE_MIRROR_TARBALLS, then rsync your downloads directory (exclude .done, bad-checksum files and git2, svn, ... dirs) to some shared location on your network and you have a good starting PREMIRROR to use in all the builds, so you don't ever need to re-download everything again. Update your PREMIRROR with rsync after succesful build (every time or from time to time). You can also share whole DL_DIR directly, but that has small risk, that if fetcher fails to update e.g. linux-yocto due to temporary network glitch, it will remove whole git clone from the DL_DIR and start again, while with PREMIRROR it will start from the tarball stored there. So it's useful to combine both (PREMIRROR updated after successful builds and shared DL_DIR if you have many builders with fast access to the same NFS/CIFS share). Cheers, |
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