Hub: Frequent `fatal error: MSpanList_Insert` on Sierra

[lastobelus]

OS X:
10.12.3 (16D32)

I'm using hub through the latest brew package:

brew update; brew outdated

> Already up-to-date.
> Homebrew 1.1.9
> Homebrew/homebrew-core (git revision c461; last commit 2017-02-11)


hub --version

> git version 2.11.1
> hub version 1.10.2

brew list --versions go

> go 1.7.4_2 1.7.5

Error happens about once every 10 or so git commands. I think it might happen more frequently when running a command in a repo thats different than the last repo a command was run in.

Here's a sample stack trace:

failed MSpanList_Insert 0x747000 0x5fbf0a7a9368 0x0
fatal error: MSpanList_Insert

runtime stack:
runtime.throw(0x67cb5b)
    /usr/local/Cellar/go/1.3.3/libexec/src/pkg/runtime/panic.c:520 +0x69
runtime.MSpanList_Insert(0x696808, 0x747000)
    /usr/local/Cellar/go/1.3.3/libexec/src/pkg/runtime/mheap.c:618 +0x8a
MHeap_FreeLocked(0x692800, 0x747000)
    /usr/local/Cellar/go/1.3.3/libexec/src/pkg/runtime/mheap.c:447 +0x1a6
MHeap_Grow(0x692800, 0x10)
    /usr/local/Cellar/go/1.3.3/libexec/src/pkg/runtime/mheap.c:341 +0x1ae
MHeap_AllocLocked(0x692800, 0x1, 0x2)
    /usr/local/Cellar/go/1.3.3/libexec/src/pkg/runtime/mheap.c:222 +0x379
runtime.MHeap_Alloc(0x692800, 0x1, 0x10000000002)
    /usr/local/Cellar/go/1.3.3/libexec/src/pkg/runtime/mheap.c:178 +0x7b
MCentral_Grow(0x69ac18)
    /usr/local/Cellar/go/1.3.3/libexec/src/pkg/runtime/mcentral.c:265 +0x89
runtime.MCentral_CacheSpan(0x69ac18)
    /usr/local/Cellar/go/1.3.3/libexec/src/pkg/runtime/mcentral.c:84 +0x14b
runtime.MCache_Refill(0x743000, 0x2)
    /usr/local/Cellar/go/1.3.3/libexec/src/pkg/runtime/mcache.c:78 +0x119
runtime.mallocgc(0x10, 0x0, 0x10)
    /usr/local/Cellar/go/1.3.3/libexec/src/pkg/runtime/malloc.goc:152 +0x30e
runtime.malloc(0x10)
    /usr/local/Cellar/go/1.3.3/libexec/src/pkg/runtime/malloc.goc:264 +0x39
runtime.mallocinit()
    /usr/local/Cellar/go/1.3.3/libexec/src/pkg/runtime/malloc.goc:575 +0x2a5
runtime.schedinit()
    /usr/local/Cellar/go/1.3.3/libexec/src/pkg/runtime/proc.c:150 +0x36
_rt0_go()
    /usr/local/Cellar/go/1.3.3/libexec/src/pkg/runtime/asm_amd64.s:91 +0x114

[lastobelus]

It seems like hub is using a very old version of go? but doesn't even list it as installed.

[lastobelus]

any tips on how I get a properly built hub from brew?

[lastobelus]

ls /usr/local/Cellar/go/1.3.3

> ls: /usr/local/Cellar/go/1.3.3: No such file or directory

[lastobelus]

I did a brew unlink hub; brew install hub and it seems to have gotten me a newer version of hub. Closing this for now, will reopen if the error crops up again.

[Zteve]

Upgrading to High Sierra caused this problem for me hard (setting up shell I executed go get -v github.com/github/hub, and the hub alias -s command fails with vomit).

After re-installing git and go _and_ hub (with go get -u ...) all to no avail, I eventually realised that I was installing all these (_except_ hub) with MacPorts.

(I have resisted homebrew since I need complete control over dependencies of dependencies, and don't necessarily want the most recent versions of everything — anyway it is hard to switch to brew from port.)

Anyhoo; instead of building hub myself (with go) I decided to see if macports had it — it does! So I removed the "setup" for hub, and installed hub with port install hub (which checks for dependency versions) and all is now well. Just a note in case anyone else is still using Macports, like me.