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-rw-r--r--guix/build/syscalls.scm5
1 files changed, 5 insertions, 0 deletions
diff --git a/guix/build/syscalls.scm b/guix/build/syscalls.scm
index 94d335b67c..66d63a2931 100644
--- a/guix/build/syscalls.scm
+++ b/guix/build/syscalls.scm
@@ -701,6 +701,11 @@ backend device."
#f)
((= err EBUSY)
#t)
+ ((= err EINVAL)
+ ;; We get EINVAL for devices that have the GENHD_FL_NO_PART_SCAN flag
+ ;; set in the kernel, in particular loopback devices, though we do seem
+ ;; to get it for SCSI storage (/dev/sr0) on QEMU.
+ #f)
(else
(throw 'system-error "ioctl" "~A"
(list (strerror err))