From mboxrd@z Thu Jan 1 00:00:00 1970 From: Matteo Frigo Subject: Re: Cygwin bash's built-in test command crashes on Windows 2008 Server 64bit under KVM Date: Fri, 13 Feb 2009 15:39:30 -0500 Message-ID: <87eiy26ph9.fsf@cilk.com> References: <40ddf2480901050654y268213d1jbf34f9d81d6faeb0@mail.gmail.com> <40ddf2480901050822q52a9c2b6x5d5d87d17dec4992@mail.gmail.com> <49788A80.2070403@redhat.com> <87bptgnykd.fsf@fftw.org> <4995D180.9000706@redhat.com> <878woaozu2.fsf@matteo.cilk.lan> <4995D7FD.9020609@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: kvm@vger.kernel.org To: Avi Kivity Return-path: Received: from 75-150-79-137-NewEngland.hfc.comcastbusiness.net ([75.150.79.137]:43908 "EHLO cilk50.cilki.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1751464AbZBMUje (ORCPT ); Fri, 13 Feb 2009 15:39:34 -0500 In-Reply-To: <4995D7FD.9020609@redhat.com> (Avi Kivity's message of "Fri\, 13 Feb 2009 22\:28\:45 +0200") Sender: kvm-owner@vger.kernel.org List-ID: Avi Kivity writes: > - run a cygwin program in an infinite loop (while :; do :; done is > sufficient) > - 'info registers', look at gdt > - 'x/28x 0x$GDT' > > I'm interested in offset 0x28, but please provide the whole thing for > sanity checking. Here it is. This is with npt=1, but npt=0 shows exactly the same GDT. (qemu) info registers EAX=0022dad8 EBX=00230000 ECX=61108b28 EDX=0043fea7 ESI=00000014 EDI=00000000 EBP=0022c518 ESP=0022c4f4 EIP=610935e2 EFL=00000202 [-------] CPL=3 II=0 A20=1 SMM=0 HLT=0 ES =002b 0000000000000000 ffffffff 00c0f300 CS =0023 0000000000000000 ffffffff 00c0fb00 SS =002b 0000000000000000 ffffffff 00c0f300 DS =002b 0000000000000000 ffffffff 00c0f300 FS =0053 000000007efdd000 00000fff 0040f300 GS =002b 000000007efdb000 ffffffff 00c0f300 LDT=0000 0000000000000000 0000ffff 00000000 TR =0040 fffff800004e8070 00000068 00008b00 GDT= fffff800004e7000 0000006f IDT= fffff800004e7070 00000fff CR0=80050031 CR2=000007ff7dd13000 CR3=000000002d62c000 CR4=000006f8 DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 DR6=00000000ffff0ff0 DR7=0000000000000400 FCW=037f FSW=0000 [ST=0] FTW=00 MXCSR=00000000 FPR0=0000000000000000 0000 FPR1=0000000000000000 0000 FPR2=0000000000000000 0000 FPR3=0000000000000000 0000 FPR4=0000000000000000 0000 FPR5=0000000000000000 0000 FPR6=0000000000000000 0000 FPR7=0000000000000000 0000 XMM00=00000000000000000000000000000000 XMM01=00000000000000000000000000000000 XMM02=00000000000000000000000000000000 XMM03=00000000000000000000000000000000 XMM04=00000000000000000000000000000000 XMM05=00000000000000000000000000000000 XMM06=000000007ffe00300000000000160014 XMM07=00000000000000000000000000000000 (qemu) x/28x 0xfffff800004e7000 fffff800004e7000: 0x00000000 0x00000000 0x00000000 0x00000000 fffff800004e7010: 0x00000000 0x00209b00 0x0000ffff 0x00cf9300 fffff800004e7020: 0x0000ffff 0x00cffb00 0x0000ffff 0x00cff300 fffff800004e7030: 0x00000000 0x0020fb00 0x00000000 0x00000000 fffff800004e7040: 0x80700068 0x00008b4e 0xfffff800 0x00000000 fffff800004e7050: 0xd0000fff 0x7e40f3fd 0x00000000 0x00000000 fffff800004e7060: 0x0000ffff 0x00cf9b00 0x00000000 0x00000000