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45 lines
2.4 KiB
Markdown
45 lines
2.4 KiB
Markdown
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title = "Fixing OpenBSD panic dc_atapi_start: not ready in KVM"
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date = 2023-09-17T12:13:24+10:00
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#[extra]
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#updated = 2023-01-11T21:11:28+10:00
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I tried creating an OpenBSD 7.3 virtual machine on my new computer (Arch Linux
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host) and the installed kept crashing with the error:
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{{ figure(image="posts/2023/openbsd-db-atapi-start-not-ready/openbsd_panic_dc_atapi_start_not_ready.png", link="posts/2023/openbsd-db-atapi-start-not-ready/openbsd_panic_dc_atapi_start_not_ready.png", alt="Screenshot of Overcast showing the podcast 'episodes'.", caption="Screenshot of Overcast showing the 'episodes'.") }}
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```
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dc_atapi_start: not ready, st = 50
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fatal protection fault in supervisor mode trap type 4 code 0 rip ffffffff810089d9 cs 8 rflags 10282 cr2 287eb3000 cpl 6 rsp ffff800014fd11a0
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gssbase Oxffffffff818fbff0 kgsbase Ox0
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panic: trap type 4, code=0, pc=ffffffff810089d9
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syncing disks...12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 _
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```
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<!-- more -->
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I did a bunch of searching online and tried a several different suggestions but that one that
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worked for me was from [this Reddid thread][reddit]:
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> **tinneriw31**
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>
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> Switch the virtual cd drive from ide to sata. Worked for me. Exact same issue.
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I use [virt-manager] to manage VMs. These are the steps to do that when creating the VM:
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1. Create the VM and at the last step choose "Customize configuration before install"
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2. Click on the "IDE CDROM 1" tab and change "Disk bus" to SATA
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3. Then click Apply, and then Begin installation in the top left.
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After that the VM installed successfully.
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{{ figure(image="posts/2023/openbsd-db-atapi-start-not-ready/virt-manager-customize-configuration.png", link="posts/2023/openbsd-db-atapi-start-not-ready/virt-manager-customize-configuration.png", alt="Screenshot of step 5 in the new virtual machine wizard in virt-manager showing the 'Customize configuration before install' option checked.", caption="Customize configuration before install.", width=504) }}
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{{ figure(image="posts/2023/openbsd-db-atapi-start-not-ready/virt-manager-sata-cd-rom.png", link="posts/2023/openbsd-db-atapi-start-not-ready/virt-manager-sata-cd-rom.png", alt="Screenshot of the virt-manager CD ROM tab showing 'Disk bus: SATA' selected.", caption="Disk bus: SATA", width=1028) }}
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[reddit]: https://www.reddit.com/r/openbsd/comments/12jzg2y/when_i_tried_to_install_openbsd_73_in_qemu_i/jhhk1gx/
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[virt-manager]: https://virt-manager.org/
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