[Bug 225423] panic: softdep_deallocate_dependencies: dangling deps

bugzilla-noreply at freebsd.org bugzilla-noreply at freebsd.org
Tue Feb 13 05:06:15 UTC 2018


--- Comment #10 from Deepak Ukey <deepak.ukey at microsemi.com> ---
(In reply to Kirk McKusick from comment #9)

Setup Details:
I have one SATA drive (/dev/da0) attached to Microsemi Storage controller and
my OS is on drive attached to AHCI on board controller. 

Steps to reproduce the issue:
1) Create the GPT partition of drive:
#gpart create –s gpt /dev/da0

2)Create the partition:
#gpart add –t freebsd-ufs –l gpusrfs –a <512k> /dev/da0

3)Format it:
#newfs –U /dev/da0p1

4)Create the mount directory:
#mkdir /mnt/<Directory>

5)Mount the drive partition:
#mount /dev/<da0p1> /mnt/<Directory>

7)Write the data using dd command:
dd if=/dev/zero of=test bs=10240 count=100000

8) The same time when after starting step 7, remove the drive attached to
Microsemi Storage controller. 

Please let me know if you have any questions.


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