Hi, On 8/2/19 5:53 PM, Richard Purdie wrote: > This has been talked about in a lot of the project meetings but I > wanted to ensure its on the mailing list too. > > master-next (and hopefully soon, master) now contain patches which > enable "hash equivalency" support in runqueue in bitbake. That doesn't > sound so interesting until I explain what this means. > <snip> > > I think this should be a "big deal" for many developers, reducing > unneded rebuilds and hence speeding up development. > > As with any new feature, there are likely going to be some some > teething issues but I'm very opitmistic about some of the benefits this > should bring! >
Very exciting see this feature being worked on! I have high hopes it is gonna reduce my build times. I just updated to latest bitbake/oe-core master and started an incremental build of my distro with hash equivalency enabled, and ran into one problem: ERROR: core-image-minimal-1.0-r0 do_rootfs: Unable to install packages. <snip> Collected errors: * Solver encountered 2 problem(s): * Problem 1/2: * - nothing provides eudev needed by <snip> <snip> * Problem 2/2: * - nothing provides udev needed by <snip> <snip> Checking the build log I see: ... NOTE: Task /home/jkroon/Projects/<snip>/build/../openembedded-core/meta/recipes-core/glib-2.0/glib-2.0_2.60.6.bb:do_populate_sysroot unihash changed to b88f1b01421cd7501b290888b783b057b92a7fb7a20f37fd08a56f2eaf8c56ed NOTE: Setscene task /home/jkroon/Projects/<snip>/build/../openembedded-core/meta/recipes-core/udev/eudev_3.2.8.bb:do_populate_sysroot now valid and being rerun ... NOTE: Setscene tasks completed NOTE: Task /home/jkroon/Projects/<snip>/build/../openembedded-core/meta/recipes-core/udev/eudev_3.2.8.bb:do_package_qa unihash changed to 607d4eb7859bf6c725add7592a2c8bd64464afb259264281cbf2a3ad4e17e8d2 ... NOTE: Task /home/jkroon/Projects/<snip>/build/../openembedded-core/meta/recipes-core/glib-2.0/glib-2.0_2.60.6.bb:do_package_qa unihash changed to 89413c6afc25b390471f0cebb6193a226e20a744ac86b473c0b11f7432b5165a ... NOTE: Setscene tasks completed ... Checking for built ipk packages I see: [jkroon@manatarms-greyskull <snip>]$ find /tmp/ramdisk/<snip>/deploy/ipk/|grep eudev /tmp/ramdisk/<snip>/deploy/ipk/i686/eudev-dbg_3.2.8-r0_i686.ipk /tmp/ramdisk/<snip>/deploy/ipk/i686/eudev-dev_3.2.8-r0_i686.ipk If I then do: bitbake -c cleansstate eudev bitbake eudev then I get: [jkroon@manatarms-greyskull <snip>]$ find /tmp/ramdisk/<snip>/deploy/ipk/|grep eudev /tmp/ramdisk/<snip>/deploy/ipk/i686/eudev-dev_3.2.8-r0_i686.ipk /tmp/ramdisk/<snip>/deploy/ipk/i686/eudev-dbg_3.2.8-r0_i686.ipk /tmp/ramdisk/<snip>/deploy/ipk/i686/eudev-hwdb_3.2.8-r0_i686.ipk /tmp/ramdisk/<snip>/deploy/ipk/i686/eudev_3.2.8-r0_i686.ipk /tmp/ramdisk/<snip>/deploy/ipk/i686/eudev-src_3.2.8-r0_i686.ipk and then I can complete building the image. I did not have hash equivalency enabled in the beginning, I've just recently enabled it, without wiping tmp-build/ or sstate in between. /Jacob [mikrodidakt] Jacob Kroon • +46 46325040 mikrodidakt.se • Skiffervägen 48, SE-224 78 LUND, Sweden Consultans since 1980 • SW, HW, Embedded Systems, Linux -- _______________________________________________ Openembedded-core mailing list Openembedded-core@lists.openembedded.org http://lists.openembedded.org/mailman/listinfo/openembedded-core