[Bug 2031199] [NEW] Two block devices are asigned the same major-minor-number-pair

[shenlinghai]

Public bug reported:

# ll /dev/nvme*|grep 259
brw-rw---- 1 root disk 259,  6  Aug 11 14:08 /dev/nvme10n1
brw-rw---- 1 root disk 259, 11  Aug 10 22:06 /dev/nvme11n1   // 259:11
brw-rw---- 1 root disk 259, 10  Aug 11 14:08 /dev/nvme12n1
...
brw-rw---- 1 root disk 259, 11  Aug 10 22:08 /dev/nvme7n1    // 259:11
brw-rw---- 1 root disk 259,  9  Aug 11 14:08 /dev/nvme8n1

root at dapu-Star-Lake:/sys/dev/block/259:7# ll /sys/class/block/|grep nvme
lrwxrwxrwx  1 root root 0  Aug  8 18:51 nvme11n1 -> ../../devices/pci0000:80/0000:80:01.5/0000:83:00.0/nvme/nvme11/nvme11n1/
...
lrwxrwxrwx  1 root root 0  Aug  8 18:42 nvme7n1 -> ../../devices/pci0000:c0/0000:c0:03.1/0000:c5:00.0/nvme/nvme7/nvme7n1/

root at dapu-Star-Lake:/var/log# uname -a
Linux dapu-Star-Lake 5.19.0-46-generic #47~22.04.1-Ubuntu SMP PREEMPT_DYNAMIC Wed Jun 21 15:35:31 UTC 2 x86_64 x86_64 x86_64 GNU/Linux

# dpkg -l|grep udev
ii  udev          249.11-0ubuntu3.9               amd64        /dev/ and hotplug management daemon

Maybe it's the issue, i.e.
https://github.com/systemd/systemd/issues/22906

** Affects: systemd (Ubuntu)
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/2031199

Title:
  Two block devices are asigned the same major-minor-number-pair

Status in systemd package in Ubuntu:
  New

Bug description:
  # ll /dev/nvme*|grep 259
  brw-rw---- 1 root disk 259,  6  Aug 11 14:08 /dev/nvme10n1
  brw-rw---- 1 root disk 259, 11  Aug 10 22:06 /dev/nvme11n1   // 259:11
  brw-rw---- 1 root disk 259, 10  Aug 11 14:08 /dev/nvme12n1
  ...
  brw-rw---- 1 root disk 259, 11  Aug 10 22:08 /dev/nvme7n1    // 259:11
  brw-rw---- 1 root disk 259,  9  Aug 11 14:08 /dev/nvme8n1

  root at dapu-Star-Lake:/sys/dev/block/259:7# ll /sys/class/block/|grep nvme
  lrwxrwxrwx  1 root root 0  Aug  8 18:51 nvme11n1 -> ../../devices/pci0000:80/0000:80:01.5/0000:83:00.0/nvme/nvme11/nvme11n1/
  ...
  lrwxrwxrwx  1 root root 0  Aug  8 18:42 nvme7n1 -> ../../devices/pci0000:c0/0000:c0:03.1/0000:c5:00.0/nvme/nvme7/nvme7n1/

  root at dapu-Star-Lake:/var/log# uname -a
  Linux dapu-Star-Lake 5.19.0-46-generic #47~22.04.1-Ubuntu SMP PREEMPT_DYNAMIC Wed Jun 21 15:35:31 UTC 2 x86_64 x86_64 x86_64 GNU/Linux

  # dpkg -l|grep udev
  ii  udev          249.11-0ubuntu3.9               amd64        /dev/ and hotplug management daemon

  Maybe it's the issue, i.e.
  https://github.com/systemd/systemd/issues/22906

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