bug#28211: Grafting code triggers GC/thread-safety issue on Guile 2.2.2

[Ludovic Courtès]

Hi,

address@hidden (Ludovic Courtès) skribis:

> On current ‘core-updates’, the code in (guix build graft) triggers
> random Guile crashes (GC issue? thread-safety issue?) when running on
> Guile 2.2.2, as initially reported by Marius at
> <https://lists.gnu.org/archive/html/guix-devel/2017-08/msg00013.html>:
>
> grafting '/gnu/store/i71kkrch1asnwvm0vm71w9aaza0n2m9q-icecat-52.1.0-gnu1' -> 
> '/gnu/store/7w92kgcdcmf7lsc9nvs6b2ca7mk9422s-icecat-52.1.0-gnu1'...
> ERROR: In procedure put-bytevector: Wrong type argument in position 1 
> (expecting open output port): #<closed: file 8f1930>
> builder for 
> `/gnu/store/3crrls3ms9m3g860yvqib02rnm7akhf8-icecat-52.1.0-gnu1.drv' failed 
> with exit code 1
>
> [...]
>
> address@hidden ~/src/guix/+core-updates$ guix gc --clear-failures $(guix gc 
> --list-failures)
> address@hidden ~/src/guix/+core-updates$ guix build 
> /gnu/store/3crrls3ms9m3g860yvqib02rnm7akhf8-icecat-52.1.0-gnu1.drv
> La jena derivo estos konstruata:
>    /gnu/store/3crrls3ms9m3g860yvqib02rnm7akhf8-icecat-52.1.0-gnu1.drv
> @ build-started 
> /gnu/store/3crrls3ms9m3g860yvqib02rnm7akhf8-icecat-52.1.0-gnu1.drv - 
> x86_64-linux 
> /var/log/guix/drvs/3c//rrls3ms9m3g860yvqib02rnm7akhf8-icecat-52.1.0-gnu1.drv.bz2
> grafting '/gnu/store/i71kkrch1asnwvm0vm71w9aaza0n2m9q-icecat-52.1.0-gnu1' -> 
> '/gnu/store/7w92kgcdcmf7lsc9nvs6b2ca7mk9422s-icecat-52.1.0-gnu1'...
> ERROR: In procedure put-bytevector: Wrong type argument in position 1 
> (expecting open output port): #<closed: file 7517e0>
> builder for 
> `/gnu/store/3crrls3ms9m3g860yvqib02rnm7akhf8-icecat-52.1.0-gnu1.drv' failed 
> with exit code 1
> @ build-failed 
> /gnu/store/3crrls3ms9m3g860yvqib02rnm7akhf8-icecat-52.1.0-gnu1.drv - 1 
> builder for 
> `/gnu/store/3crrls3ms9m3g860yvqib02rnm7akhf8-icecat-52.1.0-gnu1.drv' failed 
> with exit code 1
> guix build: error: build failed: build of 
> `/gnu/store/3crrls3ms9m3g860yvqib02rnm7akhf8-icecat-52.1.0-gnu1.drv' failed
> address@hidden ~/src/guix/+core-updates$ guix gc --clear-failures $(guix gc 
> --list-failures)
> address@hidden ~/src/guix/+core-updates$ guix build 
> /gnu/store/3crrls3ms9m3g860yvqib02rnm7akhf8-icecat-52.1.0-gnu1.drv
> La jena derivo estos konstruata:
>    /gnu/store/3crrls3ms9m3g860yvqib02rnm7akhf8-icecat-52.1.0-gnu1.drv
> @ build-started 
> /gnu/store/3crrls3ms9m3g860yvqib02rnm7akhf8-icecat-52.1.0-gnu1.drv - 
> x86_64-linux 
> /var/log/guix/drvs/3c//rrls3ms9m3g860yvqib02rnm7akhf8-icecat-52.1.0-gnu1.drv.bz2
> grafting '/gnu/store/i71kkrch1asnwvm0vm71w9aaza0n2m9q-icecat-52.1.0-gnu1' -> 
> '/gnu/store/7w92kgcdcmf7lsc9nvs6b2ca7mk9422s-icecat-52.1.0-gnu1'...
> ERROR: In procedure variable-ref: Not a variable: (194 195 196 197 198 199 
> 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 
> 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 
> 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255)
> builder for 
> `/gnu/store/3crrls3ms9m3g860yvqib02rnm7akhf8-icecat-52.1.0-gnu1.drv' failed 
> with exit code 1
> @ build-failed 
> /gnu/store/3crrls3ms9m3g860yvqib02rnm7akhf8-icecat-52.1.0-gnu1.drv - 1 
> builder for 
> `/gnu/store/3crrls3ms9m3g860yvqib02rnm7akhf8-icecat-52.1.0-gnu1.drv' failed 
> with exit code 1

Bad news: when using Guile 2.2.4 for grafting, I’m still getting similar
crashes, perhaps marginally less frequently.

Ludo’.