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Old 05-21-2016, 02:13 PM   #1
Ser Olmy
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Slackware 14.2rc2 (-current): kernel panic when installing to a Hyper-V VM


I just tried installing the most recent x86 -current to a Hyper-V VM, and the installer consistently panics when trying to format the boot partition.

Earlier kernels (<4.1) worked, and x86_64 is unaffected, so this looks like the same kernel bug that hit 32-bit Ubuntu: https://bugs.launchpad.net/ubuntu/+s...x/+bug/1495983

I've tried preformatting the partition, moving the virtual disk to the Hyper-V virtual SCSI-controller, and using PXE boot so I could remove the virtual IDE DVD drive, but to no avail. The kernel either panics or the task hangs the moment it tries to access the disk.

In other words, there doesn't seem to be a workaround.
 
Old 05-22-2016, 06:51 AM   #2
ReaperX7
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Check the kernel config and see if Hyper-V support is enabled.
 
Old 05-22-2016, 07:02 AM   #3
Alien Bob
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Looks like a required patch was never committed to the kernel: https://lkml.org/lkml/2016/5/16/466
 
Old 06-03-2016, 07:04 PM   #4
Ser Olmy
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Quote:
Originally Posted by Alien Bob View Post
Looks like a required patch was never committed to the kernel: https://lkml.org/lkml/2016/5/16/466
And the bug is still present in 4.4.12.
 
  


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