Public bug reported:
[Impact]
grml2usb autopkgtest frequently fail in Ubuntu's CI. For example:
https://objectstorage.prodstack4-5.canonical.com/v1/AUTH_77e2ada1e7a84929a74ba3b87153c0ac/autopkgtest-hirsute/hirsute/amd64/g/grml2usb/20201116_194744_cbe0f@/log.gz
An excerpt showing the error:
2020-11-17 14:14:49,362 Installing default MBR
2020-11-17 14:14:49,363 executing: dd if='/dev/loop0' of='/tmp/tmpa2umy9df' bs=5
12 count=1
2020-11-17 14:14:49,381 executing: dd if=/usr/share/grml2usb/mbr/mbrldr of=/tmp/
tmpa2umy9df bs=439 count=1 conv=notrunc
2020-11-17 14:14:49,385 executing: dd if='/tmp/tmpa2umy9df' of='/dev/loop0' bs=5
12 count=1 conv=notrunc
2020-11-17 14:14:49,401 executing: sync
2020-11-17 14:14:49,433 Probing device via 'blockdev --rereadpt /dev/loop0'
blockdev: ioctl error on BLKRRPART: Device or resource busy
2020-11-17 14:14:49,452 Execution failed: ("Couldn't execute blockdev on '%s' (i
nstall util-linux?)", '/dev/loop0')
[Test Case]
Run the built-in autopkgtest on a cloud instance.
[Where problems might occur]
We may find that the system wide sync is necessary in some other environments,
which could cause a similar issue to this one to appear there.
** Affects: grml2usb (Ubuntu)
Importance: Undecided
Status: New
** Affects: grml2usb (Ubuntu Groovy)
Importance: Undecided
Status: New
** Affects: grml2usb (Ubuntu Hirsute)
Importance: Undecided
Status: New
** Affects: grml2usb (Debian)
Importance: Unknown
Status: Unknown
** Bug watch added: Debian Bug tracker #975015
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=975015
** Also affects: grml2usb (Debian) via
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=975015
Importance: Unknown
Status: Unknown
** Also affects: grml2usb (Ubuntu Hirsute)
Importance: Undecided
Status: New
** Also affects: grml2usb (Ubuntu Groovy)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1905452
Title:
blockdev: ioctl error on BLKRRPART: Device or resource busy
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