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The Go programming language
5695915833
Fixes #2337. Unfortunate sequence of events is: 1. maxcpu=2, mcpu=1, grunning=1 2. starttheworld creates an extra M: maxcpu=2, mcpu=2, grunning=1 4. the goroutine calls runtime.GOMAXPROCS(1) maxcpu=1, mcpu=2, grunning=1 5. since it sees mcpu>maxcpu, it calls gosched() 6. schedule() deschedules the goroutine: maxcpu=1, mcpu=1, grunning=0 7. schedule() call getnextandunlock() which fails to pick up the goroutine again, because canaddcpu() fails, because mcpu==maxcpu 8. then it sees that grunning==0, reports deadlock and terminates R=golang-dev, rsc CC=golang-dev https://golang.org/cl/5191044 |
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This is the source code repository for the Go programming language.
For documentation about how to install and use Go,
visit http://golang.org/ or load doc/install.html in your web browser.
After installing Go, you can view a nicely formatted
doc/install.html by running godoc --http=:6060
and then visiting http://localhost:6060/doc/install.html.
Unless otherwise noted, the Go source files are distributed
under the BSD-style license found in the LICENSE file.
--
Binary Distribution Notes
If you have just untarred a binary Go distribution, you need to set
the environment variable $GOROOT to the full path of the go
directory (the one containing this README). You can omit the
variable if you unpack it into /usr/local/go, or if you rebuild
from sources by running all.bash (see doc/install.html).
You should also add the Go binary directory $GOROOT/bin
to your shell's path.
For example, if you extracted the tar file into $HOME/go, you might
put the following in your .profile:
export GOROOT=$HOME/go
export PATH=$PATH:$GOROOT/bin
See doc/install.html for more details.