bug#64197: Segmentation fault while building ‘guix-cli-core.drv’

[Christopher Baines]

Ludovic Courtès <ludovic.courtes@inria.fr> writes:

> I’ve seen this “failure to process the revision” on qa.guix due to a
> segfault while building Guix (from
> <https://data.qa.guix.gnu.org/job/46943>, commit
> f3ec19edf3c3bb902a06ac597e5954b35ee41bce):
>
> loading...     89.7% of 39 files[ 36/ 78] loading...   92.3% of 39 files[ 37/ 
> 78] loading...   94.9% of 39 files[ 38/ 78] loading...   97.4% of 39 files[ 
> 39/ 78] loading...  100.0% of 39 files[ 39/ 78] compiling...          0.0% of 
> 39 files[ 40/ 78] compiling...          2.6% of 39 files[ 41/ 78] 
> compiling...          5.1% of 39 files[ 42/ 78] compiling...          7.7% of 
> 39 files[ 43/ 78] compiling...         10.3% of 39 files[ 44/ 78] 
> compiling...         12.8% of 39 files[ 45/ 78] compiling...         15.4% of 
> 39 files[ 46/ 78] compiling...         17.9% of 39 files[ 42/400] loading...  
>  21.0% of 200 files[ 43/400] loading...  21.5% of 200 files[ 44/400] 
> loading...  22.0% of 200 files[ 45/400] loading...  22.5% of 200 filesbuilder 
> for `/gnu/store/c9crr8vmiid4cgld1bmxqwcrmicr5572-guix-cli-core.drv' failed 
> due to signal 11 (Segmentation fault)
> @ build-failed /gnu/store/c9crr8vmiid4cgld1bmxqwcrmicr5572-guix-cli-core.drv 
> - 1 builder for 
> `/gnu/store/c9crr8vmiid4cgld1bmxqwcrmicr5572-guix-cli-core.drv' failed due to 
> signal 11 (Segmentation fault)
> cannot build derivation 
> `/gnu/store/9d5as8x5k7z7vipmdvblbid261jpl3r5-guix-cli-core-modules.drv': 1 
> dependencies couldn't be built

This job looks to have failed at: 2023-06-19T13:54:13.047441

Looking at the logs on beid, I see this:

Jun 19 14:54:08 localhost vmunix: [4845598.954703] GC-marker-1[27719]: segfault 
at 170 ip 00007ffff7e19a25 sp 00007ffff6ad6c70 error 4 in 
libgc.so.1.5.1[7ffff7e1
2000+1c000] likely on CPU 15 (core 15, socket 0)
Jun 19 14:54:08 localhost vmunix: [4845598.954734] Code: 00 00 00 00 00 49 89 
f9 48 89 c8 41 54 41 81 e1 ff 0f 00 00 55 48 89 fd 83 e7 0f 53 4c 89 c9 48 89 
f3 48
 8b 70 30 48 c1 e9 04 <0f> b7 34 4e 49 89 f2 49 09 fa 75 4f 48 8d 4c 08 40 0f 
b6 31 40 84

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