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runtime: dump the status of lockedg on error

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The dumpgstatus() will dump current g's status anyway. When lockedg's
status is bad, it's more helpful to dump lockedg's status as well than
dumping current g's status twice.

Change-Id: If5248cb94b9cdcbf4ceea07562237e1d6ee28489
GitHub-Last-Rev: da814c51ff
GitHub-Pull-Request: golang/go#40248
Reviewed-on: https://go-review.googlesource.com/c/go/+/243097
Reviewed-by: Keith Randall <khr@golang.org>
Trust: Emmanuel Odeke <emm.odeke@gmail.com>
Run-TryBot: Emmanuel Odeke <emm.odeke@gmail.com>
TryBot-Result: Go Bot <gobot@golang.org>
This commit is contained in:
Tiwei Bie 2020-10-15 01:43:51 +00:00 committed by Keith Randall
parent 94eda9ae37
commit bc0b198bd7
1 changed files with 2 additions and 2 deletions
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4
src/runtime/proc.go
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@ -2302,8 +2302,8 @@ func stoplockedm() {
mPark()
status := readgstatus(_g_.m.lockedg.ptr())
if status&^_Gscan != _Grunnable {
print("runtime:stoplockedm: g is not Grunnable or Gscanrunnable\n")
dumpgstatus(_g_)
print("runtime:stoplockedm: lockedg (atomicstatus=", status, ") is not Grunnable or Gscanrunnable\n")
dumpgstatus(_g_.m.lockedg.ptr())
throw("stoplockedm: not runnable")
}
acquirep(_g_.m.nextp.ptr())