On Fri, Mar 10, 2017 at 11:07:46AM +0800, Boqun Feng wrote: > On Fri, Mar 10, 2017 at 10:56:49AM +0800, Fengguang Wu wrote: > > Hi Boqun, > > > > Hello Fengguang, > > > FYI here is another bisect result. I report it once again since the > > attached reproduce-* may be more handy for debug. :) > > > > That's very helpful! lkp is a bit difficult for me to set up ;-) >
Hmm... hit this when run the reproduce script: early console in setup code KVM internal error. Suberror: 3 extra data[0]: 80000306 extra data[1]: 31 RAX=0000000000000000 RBX=ffffffff800c0038 RCX=1ffffffff0d8c301 RDX=dffffc0000000000 RSI=0000000000000001 RDI=ffffffff86c61e78 RBP=ffffffff800c0028 RSP=ffffffff800c0000 R8 =0000000000000001 R9 =0000000000000001 R10=ffffffff85e07bd0 R11=ffffffff85e079d7 R12=0000000000000006 R13=0000000000000003 R14=00000000000199a0 R15=0000000000000001 RIP=ffffffff84a84715 RFL=00010046 [---Z-P-] CPL=0 II=0 A20=1 SMM=0 HLT=0 ES =0000 0000000000000000 ffffffff 00000000 CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA] SS =0000 0000000000000000 ffffffff 00000000 DS =0000 0000000000000000 ffffffff 00000000 FS =0000 0000000000000000 ffffffff 00000000 GS =0000 ffffffff8737a000 ffffffff 00000000 LDT=0000 0000000000000000 ffffffff 00000000 TR =0020 0000000000000000 00000fff 00808b00 DPL=0 TSS64-busy GDT= ffffffff8738c000 0000007f IDT= ffffffff877ad000 00000fff CR0=80050033 CR2=ffff880000014200 CR3=0000000007567000 CR4=000000a0 DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 DR6=00000000ffff0ff0 DR7=0000000000000400 EFER=0000000000000d01 Code=00 00 00 00 00 00 00 01 00 00 00 00 00 00 00 88 47 a8 84 ff <ff> ff ff 07 67 72 81 ff ff ff ff d0 7a b6 86 ff ff ff ff 79 84 4e 81 ff ff ff ff 8b 25 d2 Using reproduce script for some other kernel is fine. Any idea? My host is ArchLinux with kernel 4.9.11-1-ARCH. Regards, Boqun
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