[Bug 258090] sysutils/lsblk partition information shown for an SD card reader (in a dock) where there is no card

From: <bugzilla-noreply_at_freebsd.org>
Date: Fri, 27 Aug 2021 15:59:10 +0000

--- Comment #2 from Graham Perrin <grahamperrin_at_gmail.com> ---
Created attachment 227478
  --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=227478&action=edit
Konsole transcript.



Lines 5–24 from within the attachment might help to explain the (much) later
residual information. A misuse of srm(1):


root_at_mowa219-gjp4-8570p-freebsd:~ # srm -lv /dev/da0p3
Using /dev/urandom for random input.
Wipe mode is insecure (two passes [0xff/random])
Wiping /dev/da0p3 Warning: /dev/da0p3 is not a regular file, rename/unlink
only!Warning: Couldn't rename /dev/da0p3 - Operation not supported
 Removed file /dev/da0p3 ... Done
root_at_mowa219-gjp4-8570p-freebsd:~ # wipe -nv /dev/da0p3
wipe: cannot stat `/dev/da0p3': No such file or directory
root_at_mowa219-gjp4-8570p-freebsd:~ # lsblk da0
DEVICE         MAJ:MIN SIZE TYPE                                          LABEL
da0              0:181 466G GPT                                               -
  da0p1          0:184 200M efi                                  msdosfs/EFISYS
  da0p2          0:188 512K freebsd-boot                           gpt/gptboot0
  <FREE>         -:-   492K -                                                 -
stat: /dev/da0p3: stat: No such file or directory
stat: /dev/da0p3: stat: No such file or directory
  da0p3        16G:freebsd-swap    - SWAP                                       
  da0p4          0:193 450G freebsd-zfs                                gpt/zfs0
  da0p4.eli      0:196 450G zfs                                               -
  <FREE>         -:-   4.0K -                                                 -
root_at_mowa219-gjp4-8570p-freebsd:~ # gdisk /dev/da0

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Received on Fri Aug 27 2021 - 15:59:10 UTC

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