> > HPT kernel. When removing the kvm_hv module, the kernel goes bananas. Any > > ideas? I had to hard-power-down the machine to get control. I don't have a > > regression range for this. [...] > > # modprobe -r kvm_hv > > (system becomes unstable) > > > > Backtrace and dmesg: > > > > BUG: Kernel NULL pointer dereference on read at 0x00000008 > > Faulting instruction address: 0xc00000000088a114 > > Oops: Kernel access of bad area, sig: 11 [#1] > You have kvmppc_uvmem_free in the backtrace. You probably need either > to apply http://patchwork.ozlabs.org/patch/1258499/ "KVM: PPC: Book3S > HV: Skip kvmppc_uvmem_free if Ultravisor is not supported" or else > turn off CONFIG_PPC_UV. Odd, I didn't expect that Fedora 31 would have it on (this is a stock kernel). Thanks for the pointer. -- ------------------------------------ personal: http://www.cameronkaiser.com/ -- Cameron Kaiser * Floodgap Systems * www.floodgap.com * ckaiser@xxxxxxxxxxxx -- #include <std_disclaimer.h> ------------------------------------------------
