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[Jürg Häfliger <1999554@xxxxxxxxxxxxxxxxxx>]

** Tags added: kernel-daily-bug

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https://bugs.launchpad.net/bugs/1999554

Title:
  LTP uevent01 will fail on GCP n2d-standard-64

Status in ubuntu-kernel-tests:
  New
Status in linux package in Ubuntu:
  Confirmed
Status in udev package in Ubuntu:
  Confirmed

Bug description:
  Because udev takes too long to release the loop device, LTP test
  uevent01 (and some other tests) may warn about not being able to
  detach the loop device. This is identified as a failure.

  
  ubuntu@selfprovisioned-cascardo-n2d:~$ sudo ./uevent01 
  tst_test.c:1423: TINFO: Timeout per run is 0h 05m 00s
  tst_device.c:88: TINFO: Found free device 6 '/dev/loop6'
  uevent01.c:24: TINFO: Attaching device /dev/loop6
  uevent.h:49: TINFO: Got uevent:
  uevent.h:52: TINFO: change@/devices/virtual/block/loop6
  uevent.h:52: TINFO: ACTION=change
  uevent.h:52: TINFO: DEVPATH=/devices/virtual/block/loop6
  uevent.h:52: TINFO: SUBSYSTEM=block
  uevent.h:52: TINFO: DISK_MEDIA_CHANGE=1
  uevent.h:52: TINFO: MAJOR=7
  uevent.h:52: TINFO: MINOR=6
  uevent.h:52: TINFO: DEVNAME=loop6
  uevent.h:52: TINFO: DEVTYPE=disk
  uevent.h:52: TINFO: DISKSEQ=7
  uevent.h:52: TINFO: SEQNUM=2959
  uevent.h:140: TPASS: Got expected UEVENT
  uevent.h:49: TINFO: Got uevent:
  uevent.h:52: TINFO: change@/devices/virtual/block/loop6
  uevent.h:52: TINFO: ACTION=change
  uevent.h:52: TINFO: DEVPATH=/devices/virtual/block/loop6
  uevent.h:52: TINFO: SUBSYSTEM=block
  uevent.h:52: TINFO: MAJOR=7
  uevent.h:52: TINFO: MINOR=6
  uevent.h:52: TINFO: DEVNAME=loop6
  uevent.h:52: TINFO: DEVTYPE=disk
  uevent.h:52: TINFO: DISKSEQ=7
  uevent.h:52: TINFO: SEQNUM=2960
  uevent.h:140: TPASS: Got expected UEVENT
  uevent01.c:26: TINFO: Detaching device /dev/loop6
  tst_device.c:254: TWARN: ioctl(/dev/loop6, LOOP_CLR_FD, 0) no ENXIO for too long

  Summary:
  passed   2
  failed   0
  broken   0
  skipped  0
  warnings 1

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