Date: Sun, 17 Jan 2021 18:22:14 +0000 From: Graham Perrin <grahamperrin@gmail.com> To: freebsd-current@freebsd.org Subject: FreeBSD-provided .vhd with VirtualBox: gpart I/O errors after resizing the virtual hard disk Message-ID: <c0758a39-1d28-01d0-d52f-26a2f686c2f8@gmail.com>
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VirtualBox 5.2.44 r139111 on FreeBSD-CURRENT. 01. Add FreeBSD-12.2-RELEASE-amd64.vhd to a machine 02. use Virtual Disk Manager to resize it to 2.0 TB 03. apply, close 04. boot single user 05. gpart show /dev/ada0 07. observe reported corruption 08. gpart recover /dev/ada0 09. I/O error <https://i.imgur.com/MoUBk6q.png>; 10. gpart show /dev/ada0 11. no reported corruption 12. shutdown -r now 13. observe reported corruption: > gptboot: invalid backup GPT header <https://i.imgur.com/Mi6hNTM.png>; For me, this seems to be consistently reproducible. Thoughts? Boot proceeds and <https://i.imgur.com/c7pfsWC.png>; I guess that the UFS file system is automatically grown, but the reported I/O errors make me nervous. % uname -v FreeBSD 13.0-CURRENT #75 main-c572-g82397d791: Sun Jan 3 20:00:09 GMT 2021 root@mowa219-gjp4-8570p:/usr/obj/usr/src/amd64.amd64/sys/GENERIC-NODEBUG %
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