Date: Tue, 23 Apr 2013 20:32:34 +0300 From: Andriy Gapon <avg@FreeBSD.org> To: Dimitry Andric <dim@FreeBSD.org>, John Baldwin <jhb@FreeBSD.org> Cc: freebsd-hackers@FreeBSD.org Subject: Re: Rebooting from loader causes a "fault" in VMware Workstation Message-ID: <5176C5B2.3050409@FreeBSD.org> In-Reply-To: <5176B238.7030306@FreeBSD.org> References: <20130419162834.GA90217@icarus.home.lan> <20130420014821.GA98555@icarus.home.lan> <5172812A.10309@gmail.com> <201304221129.43119.jhb@freebsd.org> <006B20F1-F67B-4E9D-B0DF-D4ED843F7E8E@FreeBSD.org> <5176B238.7030306@FreeBSD.org>
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on 23/04/2013 19:09 Andriy Gapon said the following: > ---------------- > IN: > 0x00000000000090d2: cli > 0x00000000000090d3: mov $0x1800,%esp > 0x00000000000090d8: mov %cr0,%eax > 0x00000000000090db: and $0x7fffffff,%eax > 0x00000000000090e0: mov %eax,%cr0 > > ---------------- > IN: > 0x00000000000090e3: xor %ecx,%ecx > 0x00000000000090e5: mov %ecx,%cr3 > > ---------------- > IN: > 0x00000000000090e8: lgdtl 0x95d0 > 0x00000000000090ef: ljmpw $0x18,$0x90f5 Perhaps the problem is that lgdt is called after disabling paging? > Triple fault > CPU Reset (CPU 0) > ESI=0004503c EDI=3fe50968 EBP=00094a80 ESP=00001800 > EIP=000090ef EFL=00000046 [---Z-P-] CPL=0 II=0 A20=1 SMM=0 HLT=0 > ES =0033 0000a000 ffffffff 00cff300 DPL=3 DS [-WA] > CS =0008 00000000 ffffffff 00cf9a00 DPL=0 CS32 [-R-] > SS =0010 00000000 ffffffff 00cf9300 DPL=0 DS [-WA] > DS =0033 0000a000 ffffffff 00cff300 DPL=3 DS [-WA] > FS =0033 0000a000 ffffffff 00cff300 DPL=3 DS [-WA] > GS =0033 0000a000 ffffffff 00cff300 DPL=3 DS [-WA] > LDT=0000 00000000 0000ffff 00008200 DPL=0 LDT > TR =0038 00005f98 00002067 00008900 DPL=0 TSS32-avl > GDT= ff85c789 00000000 > IDT= 00005e00 00000197 > CR0=00000011 CR2=00000000 CR3=00000000 CR4=00000000 > DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 > DR6=00000000ffff0ff0 DR7=0000000000000400 > CCS=00000001 CCD=00000000 CCO=LOGICL > EFER=0000000000000000 > -- Andriy Gapon
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