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Old 04-05-2021, 05:28 AM   #1
dodoLQ
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qemu-kvm -cdrom slackware64-14.2-install-dvd.iso


Hi, i've pbs with this simple cli and the boot process stopped with a kernel panic! KVM is enable on my host (core2duo E8500), modules (kvm kvm_intel) loaded and got that message in dmesg:
Code:
vcpu0, guest rIP: 0xffffffff8258069a disabled perfctr wrmsr: 0xc2 data 0xffff
Using qemu-5.2.0 on -current. Thanks!
 
Old 04-05-2021, 08:25 PM   #2
allend
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Do a web search and you will find that the message is considered harmless. You need to look again for information on the cause of the kernel panic.
 
Old 04-05-2021, 08:54 PM   #3
slac
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Reading your post it is not clear to me where the kernel panic is happening. Is it happening in your host or guest machine(using Qemu)?

In case the kernel panic is happening using Qemu (guest machine), paste the full command that you are using. Also this may be useful:

Sometimes if not enough ram is being used a kernel panic happens.

Add more ram using the -m switch, ie: -m 1G (to use 1GB of RAM for the virtual machine). If the -m switch is not included only 128MB are used by default.

Last edited by slac; 04-05-2021 at 08:59 PM.
 
Old 04-06-2021, 12:52 PM   #4
dodoLQ
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Hi slac, you're 100% right! Kernel panic is happening in guest machine (qemu), the -m 1G option solved my pb I'm not familiar in booting big iso with qemu but playing and installing old Slackware distros within qemu-2.8 Still installed slackware-pre-1.0-beta and slackware-1.01 on a disk image with (pre-created) floppy images and using the doinstall (installation program)
 
  


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