On Tue, 2022-11-15 at 04:09 -0800, Markus Held wrote: > Hello, > > I try to use yocto SSTATE_MIRROR with a custom distribution (RDK: > https://developer.rdkcentral.com/) and enabled yocto multilib > support. > The sstate directory is created by my build server and published with > nginx to the developer machines. > > Environment: > Bitbake 1.46.0 / Yocto Dunfell 3.1 > TUNE_PKGARCH = “cortexa53t2hf-neon-fp-armv8” > MULTILIBS = "multilib:lib32" > TARGET_VENDOR="-rdk" > TARGET_OS="linux" > > When a developer configures the sstate mirror in his local.conf: > > SSTATE_MIRRORS ?= " file://.* http://<build server>/sstate- > cache/PATH;downloadfilename=PATH " > > the build gets stuck on various _setscene tasks and does not > continue. I did some debugging and the issue is related the with file > name length of the sstate files. When the developer machine tries to > download a file from the mirror, bitbake fetch wants to create a > local lock file with name "<file name>.lock". Example of a sstate > lock file that fails for me: > > sstate:lib32-dibbler:cortexa53t2hf-neon-fp-armv8-rdkmllib32-linux- > gnueabi:1.0.1+1.0.2RC1+gitc4b0ed52e751da7823dd9a36e91f93a6310e5525:r0 > :cortexa53t2hf-neon-fp- > armv8:3:169be56e277b6922d1cca3f23f6d56033812941a438f09a477cd96999d7d0 > 801_package_qa.tgz.siginfo.lock > > This lock file cannot be created on a ext file system due the file > name length > 255. This causes the _setscene task to get stuck > indefinitely. It seems like most Linux file systems only support file > names up to 255 bytes. > > Is there a way to configure or limit the file name length of the > sstate cache files? Or a way to avoid the issue with the .lock file? >
There were changes in bitbake: https://git.yoctoproject.org/poky/commit/bitbake/lib/bb/utils.py?id=273b124bf6acd77b074fde2421be331721a68c11 https://git.yoctoproject.org/poky/commit/bitbake/lib/bb/utils.py?id=09e826cfb021731c1b139046665d2d9fa24baa88 There were also sstate class changes: https://git.yoctoproject.org/poky/commit/meta/classes/sstate.bbclass?id=b8025e972081b70960ffcbcbe43a7118041556a1 https://git.yoctoproject.org/poky/commit/meta/classes/sstate.bbclass?id=ed4bdd0f9149ba24fac375fd3af8bb2a06423105 https://git.yoctoproject.org/poky/commit/meta/classes/sstate.bbclass?id=4c6efbf03530b6f60cde59cdef61aa14538753a3 Cheers, Richard
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