Hi,

as of guix master commit 0fb974be9c3e1e22a2145c9c602c44cd10cef2b0 all system
tests, including "basic", fail:

$ guix environment --pure guix --ad-hoc git guile-readline guile-json nano guile-zlib guile-lzlib
(env)$ make TESTS=basic check-system
loading '/gnu/store/s3limrgxj4pd6b4psra66phary2nmqx4-linux-vm-loader'...
[    2.776050] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready
environment variable `PATH' set to `/gnu/store/j3jlpncfqvykkq6sx7h4ly1rdcr2a8qq'
creating partition table with 2 partitions (20.0 MiB, 40.0 MiB)...
Error: Partition(s) 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, .
Backtrace:
           3 (primitive-load "/gnu/store/liacrhaiab35pcfzdqsa71fvp7f?")
In ./gnu/build/vm.scm:
   470:21  2 (initialize-hard-disk "/dev/vda" #:bootloader-package _ ?)
    300:2  1 (initialize-partition-table "/dev/vda" (#<<partitio???@ build-log 1
?@ build-log 29023 1
?@ build-log 29023 1
>@ build-log 29023 1
 @ build-log 29023 1
?@ build-log 29023 1
?@ build-log 29023 1
?@ build-log 29023 1
)@ build-log 29023 1
 @ build-log 29023 1
?@ build-log 29023 1
?@ build-log 29023 1
?@ build-log 29023 1
)@ build-log 29023 1
@ build-log 29023 1

In ./guix/build/utils.scm:
    654:6  0 (invoke _ . _)

./guix/build/utils.scm:654:6: In procedure invoke:
ERROR:
  1. &invoke-error:
      program: "parted"
      arguments: ("--script" "/dev/vda" "mklabel" "msdos" "mkpart" "primary" "e)
      exit-status: 1
      term-signal: #f
      stop-signal: #f
[    3.446031] Unregister pv shared memory for cpu 0
[    3.447989] reboot: Restarting system
[    3.449167] reboot: machine restart
Backtrace: 
           1 (primitive-load "/gnu/store/1xp94hddh88szwkbqyb49jirmf5?")
In ./gnu/build/vm.scm:
   198:12  0 (load-in-linux-vm _ #:output _ #:qemu _ #:memory-size _ ?)

./gnu/build/vm.scm:198:12: In procedure load-in-linux-vm:
guest VM code exited with a non-zero status 256
note: keeping build directory `/tmp/guix-build-qemu-image.drv-0'
builder for `/gnu/store/ks5w1bwcm2rg1fq5s9hc78grxpnm0wpf-qemu-image.drv' failed1
build of /gnu/store/ks5w1bwcm2rg1fq5s9hc78grxpnm0wpf-qemu-image.drv failed
View build log at '/var/log/guix/drvs/ks/5w1bwcm2rg1fq5s9hc78grxpnm0wpf-qemu-im.
cannot build derivation `/gnu/store/8vhwchcxlns64nnqr13p0liw745s6pp8-run-vm.sh.t
cannot build derivation `/gnu/store/672vqgm8mx0a6k2iwsf13q73gmk5vdc4-basic.drv't
guix build: error: build of `/gnu/store/672vqgm8mx0a6k2iwsf13q73gmk5vdc4-basic.d
make: *** [Makefile:6007: check-system] Error 1
dannym@bayfront ~/src/guix-master/guix [env]$

The same happens on my laptop.

./pre-inst-env guix describe
Git checkout:
  repository: /home/dannym/src/guix-master/guix
  branch: master
  commit: 0fb974be9c3e1e22a2145c9c602c44cd10cef2b0

(ssh://dannym@git.sv.gnu.org/srv/git/guix.git)

I've tried to add a call to wipefs before parted--it doesn't help.

Before the problem surfaced I saw a qemu major update.