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| author | Cherry Zhang <cherryyz@google.com> | 2019-11-14 21:34:35 -0500 |
|---|---|---|
| committer | Cherry Zhang <cherryyz@google.com> | 2019-11-27 01:30:32 +0000 |
| commit | 0f251028585e052a3d34dcce83b05d8aa9ba170e (patch) | |
| tree | ac9f64fd93fb23a8e00c97298056214e4f2021d8 /src/runtime/stack.go | |
| parent | b2482e481722357c6daa98ef074d8eaf8ac4baf3 (diff) | |
| download | go-0f251028585e052a3d34dcce83b05d8aa9ba170e.tar.xz | |
runtime: print more information on stack overflow
Print the current SP and (old) stack bounds when the stack grows
too large. This helps to identify the problem: whether a large
stack is used, or something else goes wrong.
For #35470.
Change-Id: I34a4064d5c7280978391d835e171b90d06f87222
Reviewed-on: https://go-review.googlesource.com/c/go/+/207351
Reviewed-by: Emmanuel Odeke <emm.odeke@gmail.com>
Diffstat (limited to 'src/runtime/stack.go')
| -rw-r--r-- | src/runtime/stack.go | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/src/runtime/stack.go b/src/runtime/stack.go index 84fbd33329..ebbe3e013d 100644 --- a/src/runtime/stack.go +++ b/src/runtime/stack.go @@ -1030,6 +1030,7 @@ func newstack() { newsize := oldsize * 2 if newsize > maxstacksize { print("runtime: goroutine stack exceeds ", maxstacksize, "-byte limit\n") + print("runtime: sp=", hex(sp), " stack=[", hex(gp.stack.lo), ", ", hex(gp.stack.hi), "]\n") throw("stack overflow") } |