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| author | Christian Krinitsin <mail@krinitsin.com> | 2025-07-03 19:39:53 +0200 |
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| committer | Christian Krinitsin <mail@krinitsin.com> | 2025-07-03 19:39:53 +0200 |
| commit | dee4dcba78baf712cab403d47d9db319ab7f95d6 (patch) | |
| tree | 418478faf06786701a56268672f73d6b0b4eb239 /results/classifier/deepseek-2/output/hypervisor/661 | |
| parent | 4d9e26c0333abd39bdbd039dcdb30ed429c475ba (diff) | |
| download | emulator-bug-study-dee4dcba78baf712cab403d47d9db319ab7f95d6.tar.gz emulator-bug-study-dee4dcba78baf712cab403d47d9db319ab7f95d6.zip | |
restructure results
Diffstat (limited to 'results/classifier/deepseek-2/output/hypervisor/661')
| -rw-r--r-- | results/classifier/deepseek-2/output/hypervisor/661 | 45 |
1 files changed, 0 insertions, 45 deletions
diff --git a/results/classifier/deepseek-2/output/hypervisor/661 b/results/classifier/deepseek-2/output/hypervisor/661 deleted file mode 100644 index cc6ea263..00000000 --- a/results/classifier/deepseek-2/output/hypervisor/661 +++ /dev/null @@ -1,45 +0,0 @@ - -Unable to enable 5 level paging -Description of problem: -When attempting to set cr4.LA57, qemu just freezes on that instruction. When I say freeze I mean literally freeze, no exceptions, nothing, it just halts forever on that instruction. When this happened, the first thing I did was - -``` -(qemu) info registers -EAX=00001000 EBX=00000001 ECX=80224f08 EDX=00000000 -ESI=8034a3a0 EDI=00026520 EBP=000079f8 ESP=000079c8 -EIP=00019648 EFL=00000002 [-------] CPL=0 II=0 A20=1 SMM=0 HLT=0 -ES =0020 00000000 ffffffff 00c09300 DPL=0 DS [-WA] -CS =0018 00000000 ffffffff 00c09a00 DPL=0 CS32 [-R-] -SS =0020 00000000 ffffffff 00c09300 DPL=0 DS [-WA] -DS =0020 00000000 ffffffff 00c09300 DPL=0 DS [-WA] -FS =0020 00000000 ffffffff 00cf9300 DPL=0 DS [-WA] -GS =0020 00000000 ffffffff 00cf9300 DPL=0 DS [-WA] -LDT=0000 00000000 00000000 00008200 DPL=0 LDT -TR =0000 00000000 0000ffff 00008b00 DPL=0 TSS32-busy -GDT= 0000e120 00000037 -IDT= 00000000 00000000 -CR0=00000011 CR2=00000000 CR3=00000000 CR4=00000000 -DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 -DR6=00000000ffff0ff0 DR7=0000000000000400 -EFER=0000000000000000 -... -``` - -then using gdb to figure out what instruction it is hanging on, I set a breakpoint at 0x19648 at and ran -``` -(gdb) x/1 0x19648 -=> 0x19648: mov %rax,%cr4 -(gdb) -``` - -This instruction corresponds to this LOC within limine https://github.com/limine-bootloader/limine/blob/trunk/stage23/protos/stivale.32.c#L33 -Steps to reproduce: -1. Try to enable 5 level paging -2. qemu freezes when trying to set cr4.LA57 -3. cry -Additional information: -This never happened prior to version 6.1, I test this on multiple different machines and a few of my friends -experienced the same issue - -I have not tested this on linux, however I assume it will do the same on anything else. -Either way, qemu should not be just halting |