udev_resource.py -f PARTITION failed with error about checkbox

[yphus]

@seankingyang Could you please attach to this bug the output of the following commands?

• lsblk -i -n -P -o KNAME,TYPE,MOUNTPOINT
• udevadm info --export-db

[yphus]

No need to run the commands, both outputs are in the submission

[seankingyang]

After try to add the condition to check the len of self.stack then this script will not fail
Line218:

# from
 218                 return self._stack[-2]._environment.get("SUBSYSTEM")

# to
 218                 if len(self._stack)>=2:
 219                     return self._stack[-2]._environment.get("SUBSYSTEM")
 220                 else:
 221                     return self._stack[0]._environment.get("SUBSYSTEM")

But I'm not sure if this change will break any other things....

Note: This DUT with RAID0,

• self._stack like this [<UdevadmDevice: bus: block id [0:0] Volume0>], and it break the script.
• self._stack[0]._environment is {'DEVPATH': '/devices/virtual/block/md126', 'SUBSYSTEM': 'block', 'DEVNAME': '/dev/md126', 'DEVTYPE': 'disk', 'DISKSEQ': '16', 'MAJOR': '9', 'MINOR': '126', 'USEC_INITIALIZED': '2677959', 'MD_LEVEL': 'raid0', 'MD_DEVICES': '4', 'MD_CONTAINER': '/dev/md/imsm0', 'MD_MEMBER': '0', 'MD_UUID': '28901efc:88e7c780:5346ef73:afb394c8', 'MD_DEVNAME': 'Volume0', 'ID_PART_TABLE_UUID': '334e0087-3358-4d03-808d-4e17fd925764', 'ID_PART_TABLE_TYPE': 'gpt', 'UDISKS_MD_LEVEL': 'raid0', 'UDISKS_MD_DEVICES': '4', 'UDISKS_MD_CONTAINER': '/dev/md/imsm0', 'UDISKS_MD_MEMBER': '0', 'UDISKS_MD_UUID': '28901efc:88e7c780:5346ef73:afb394c8', 'UDISKS_MD_DEVNAME': 'Volume0', 'UDISKS_MD_DEVICE_dev_nvme2n1_ROLE': '1', 'UDISKS_MD_DEVICE_dev_nvme2n1_DEV': '/dev/nvme2n1', 'UDISKS_MD_DEVICE_dev_nvme1n1_ROLE': '0', 'UDISKS_MD_DEVICE_dev_nvme1n1_DEV': '/dev/nvme1n1', 'UDISKS_MD_DEVICE_dev_nvme4n1_ROLE': '3', 'UDISKS_MD_DEVICE_dev_nvme4n1_DEV': '/dev/nvme4n1', 'UDISKS_MD_DEVICE_dev_nvme3n1_ROLE': '2', 'UDISKS_MD_DEVICE_dev_nvme3n1_DEV': '/dev/nvme3n1', 'DEVLINKS': '/dev/disk/by-id/md-uuid-28901efc:88e7c780:5346ef73:afb394c8 /dev/md/Volume0', 'TAGS': ':systemd:', 'CURRENT_TAGS': ':systemd:'}

[seankingyang]

After checking with the HW RAID(ie MegaRAID 9560), there issue will not occur.
This issue seems only occurs on Virtual RAID (Zoom card ).

[stanley31huang]

We also seen this issue on DELL Edge Gateway 5200. On the 5200, we have created a RAID1 by the Intel RST controller.

ubuntu@ubuntu:~$ lsblk
NAME        MAJ:MIN RM   SIZE RO TYPE  MOUNTPOINTS
loop0         7:0    0 289.3M  1 loop  /snap/checkbox22/726
loop1         7:1    0  16.1M  1 loop  /snap/checkbox-ce-oem/110
loop2         7:2    0  16.2M  1 loop  /snap/checkbox-ce-oem/138
loop3         7:3    0  54.6M  1 loop  /snap/checkbox-iiotg-classic/78
loop4         7:4    0  55.7M  1 loop  /snap/core18/2812
loop5         7:5    0  63.9M  1 loop  /snap/core20/2105
loop6         7:6    0  74.1M  1 loop  /snap/core22/1033
loop7         7:7    0  19.4M  1 loop  /snap/lms/75
loop8         7:8    0  16.3M  1 loop  /snap/lms/76
loop9         7:9    0 111.9M  1 loop  /snap/lxd/24322
loop10        7:10   0  40.9M  1 loop  /snap/snapd/20290
loop11        7:11   0  40.4M  1 loop  /snap/snapd/20671
sda           8:0    0   1.9T  0 disk  
├─md126       9:126  0   1.9T  0 raid1 
│ ├─md126p1 259:0    0    50M  0 part  /boot/efi
│ └─md126p2 259:1    0   1.9T  0 part  /
└─md127       9:127  0     0B  0 md    
sdb           8:16   0   1.9T  0 disk  
├─md126       9:126  0   1.9T  0 raid1 
│ ├─md126p1 259:0    0    50M  0 part  /boot/efi
│ └─md126p2 259:1    0   1.9T  0 part  /
└─md127       9:127  0     0B  0 md

error log:
Traceback (most recent call last):
  File "/tmp/nest-sm_eiuj3.5898582bde834e198d8c971d79f8e1aa6851b304be424661f5e7be4c435e3acd/udev_resource.py", line 140, in <module>
    main()
  File "/tmp/nest-sm_eiuj3.5898582bde834e198d8c971d79f8e1aa6851b304be424661f5e7be4c435e3acd/udev_resource.py", line 133, in main
    if filter_by_categories(udev, args.filter) == 0:
  File "/tmp/nest-sm_eiuj3.5898582bde834e198d8c971d79f8e1aa6851b304be424661f5e7be4c435e3acd/udev_resource.py", line 50, in filter_by_categories
    for device in udev.run():
  File "/snap/checkbox22/current/lib/python3.10/site-packages/checkbox_support/parsers/udevadm.py", line 1289, in run
    elif device.category == 'BLUETOOTH':
  File "/snap/checkbox22/current/lib/python3.10/site-packages/checkbox_support/parsers/udevadm.py", line 284, in category
    if self.bus == "bluetooth":
  File "/snap/checkbox22/current/lib/python3.10/site-packages/checkbox_support/parsers/udevadm.py", line 218, in bus
    return self._stack[-2]._environment.get("SUBSYSTEM")
IndexError: list index out of range

[syncronize-issues-to-jira]

Thank you for reporting us your feedback!

The internal ticket has been created: https://warthogs.atlassian.net/browse/CHECKBOX-1199.

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