Bug#906470: grub2: FTBFS in buster/sid (failing tests)

[Santiago Vila]

On Sat, Aug 18, 2018 at 11:32:05AM +0100, Colin Watson wrote:
> On Fri, Aug 17, 2018 at 07:21:13PM +0000, Santiago Vila wrote:
> > FAIL: grub_cmd_set_date
> > =======================
> > 
> > qemu-system-i386: -fw_cfg name=etc/sercon-port,string=0: warning: externally provided fw_cfg item names should be prefixed with "opt/"
> > Killed
> > Test failed: 2018-08-14 00:00:37 Tuesday
> 
> Is this consistently reproducible? [...]

Yes, it is (in all my autobuilders). Here's my build history:

Status: failed      grub2_2.02-2_amd64-20171210T015312Z
Status: failed      grub2_2.02-2_amd64-20171216T001222Z
Status: failed      grub2_2.02-2_amd64-20171220T013539Z
Status: failed      grub2_2.02-2_amd64-20171224T013345Z
Status: failed      grub2_2.02+dfsg1-1_amd64-20180224T203418Z
Status: failed      grub2_2.02+dfsg1-3_amd64-20180311T162010Z
Status: failed      grub2_2.02+dfsg1-4_amd64-20180406T202615Z
Status: failed      grub2_2.02+dfsg1-4_amd64-20180606T090907Z
Status: failed      grub2_2.02+dfsg1-4_amd64-20180612T221835Z
Status: failed      grub2_2.02+dfsg1-4_amd64-20180618T024329Z
Status: failed      grub2_2.02+dfsg1-4_amd64-20180628T063443Z
Status: failed      grub2_2.02+dfsg1-4_amd64-20180710T054651Z
Status: failed      grub2_2.02+dfsg1-4_amd64-20180724T202532Z
Status: failed      grub2_2.02+dfsg1-4_amd64-20180802T074525Z
Status: failed      grub2_2.02+dfsg1-5_amd64-20180805T085913Z
Status: failed      grub2_2.02+dfsg1-5_amd64-20180813T235257Z

I'm using sbuild on single-CPU virtual machines as described here:

https://people.debian.org/~sanvila/my-building-environment.txt

If this is not enough to reproduce it, please contact me privately and
I could offer a test machine where this happens.

Thanks.