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Richard Purdie f3e56f1b57 lib/oe/utils: Fix hang in multiprocess_launch() 
If large results values are returned by the subprocesses, we can hit a deadlock
where the subprocess is trying to write data back to the parent, the pipe is full
and the parent is waiting for the child to exit.

Avoid this by calling the update() method which would trigger reading a result
from the child, avoiding the deadlock. The issue is described in
https://bugs.python.org/issue8426

(From OE-Core rev: 0035e8066ecbbff94d6a1994a9f72b1368d660d2)

Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
2019-02-17 10:19:59 +00:00
bitbake bitbake: bitbake: Allow arguments in FAKEROOTCMD 2019-02-15 08:18:19 +00:00
documentation ref-manual: Updates to FILESPATH and FILESOVERRIDES. 2019-02-16 08:19:55 +00:00
meta lib/oe/utils: Fix hang in multiprocess_launch() 2019-02-17 10:19:59 +00:00
meta-poky site.conf.sample: remove seq from HOSTTOOLS 2019-02-12 14:05:00 +00:00
meta-selftest selftest/distrodata: un-break the upstream version check test 2019-01-11 10:39:08 +00:00
meta-skeleton meta-skeleton/meta-selftest: Update to thud 2018-09-25 23:15:49 +01:00
meta-yocto-bsp meta-yocto-bsp: Bump to the latest stable kernel for the non-x86 BSPs 2019-01-26 13:40:03 +00:00
scripts lib/buildstats: Improve error message 2019-02-16 08:19:34 +00:00
.gitignore gitignore: Ignore repo tool directory 2018-10-29 17:26:47 +00:00
.templateconf meta-yocto: Rename to meta-poky to better match its purpose 2016-02-28 11:31:17 +00:00
LICENSE Fix license notices for OE-Core 2014-01-02 12:58:54 +00:00
oe-init-build-env oe-init-build-env-memres: Drop it 2017-07-21 08:44:25 +01:00
README.hardware meta-yocto: Restructure and tidy up READMEs 2017-09-14 13:36:22 +01:00
README.LSB pax: remove the recipe 2018-02-24 10:31:45 +00:00
README.poky meta-yocto: Restructure and tidy up READMEs 2017-09-14 13:36:22 +01:00
README.qemu README.qemu: qemuppc64 is not supported 2017-10-16 23:54:31 +01:00

README.qemu 

QEMU Emulation Targets
======================

To simplify development, the build system supports building images to
work with the QEMU emulator in system emulation mode. Several architectures
are currently supported in 32 and 64 bit variants:

  * ARM (qemuarm + qemuarm64)
  * x86 (qemux86 + qemux86-64)
  * PowerPC (qemuppc only)
  * MIPS (qemumips + qemumips64)

Use of the QEMU images is covered in the Yocto Project Reference Manual.
The appropriate MACHINE variable value corresponding to the target is given
in brackets.