#46 Booting 64-bit Solaris can cause Linux to spin
Attempting to boot 64-bit Solaris with the kmdb kernel debugger installed (adding "-k" to the boot arguments) causes Linux to spin, repeatedly emitting the following message to the console, requiring a reboot of the Linux machine to recover:
rtc: lost some interrupts at 1024Hz.
This does not occur when running software QEMU, so it appears KVM may be presenting an improper intial state for the x87 FPU.
This is with kvm-18 running on Fedora Core 6 x86_64 kernel 2.6.20-1.2933.fc6 on a dual CPU rev. F Opteron platform:
processor : 0
vendor_id : AuthenticAMD
cpu family : 15
model : 65
model name : Dual-Core AMD Opteron(tm) Processor 2218
stepping : 2
cpu MHz : 2613.392
cache size : 1024 KB
physical id : 0
siblings : 2
core id : 0
cpu cores : 2
fpu : yes
fpu_exception : yes
cpuid level : 1
wp : yes
flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca
cmov pat pse36 clflush mmx fxsr sse sse2 ht syscall nx mmxext fxsr_opt
rdtscp lm 3dnowext 3dnow pni cx16 lahf_lm cmp_legacy svm cr8_legacy
bogomips : 5231.22
TLB size : 1024 4K pages
clflush size : 64
cache_alignment : 64
address sizes : 40 bits physical, 48 bits virtual
power management: ts fid vid ttp tm stc
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See this thread for information on the RTC messages.
http://thread.gmane.org/gmane.comp.emulators.kvm.devel/2325
Can you try the latest git or kvm-34? Problems with AMD64 have been fixed, and the root cause could be the same as for bug #1699695
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At present kvm-34 will not boot Solaris; see RequestID 1773613.
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This bug applies to Intel-64 hosts as well.
Workaround: is to add "kernel/unix" to GRUB to force using Solaris 32-bit kernel.
-Alexey
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This doesn't happen on my system with kvm-53. Can you confirm this doesn't happen for you as well?
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This Tracker item was closed automatically by the system. It was
previously set to a Pending status, and the original submitter
did not respond within 14 days (the time period specified by
the administrator of this Tracker).
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Confirmed that it no longer hangs, but the 64-bit kernel does die with a #GP not seen if the image is run with --no-kvm.
This is with kvm-55.