diff options
Diffstat (limited to 'results/classifier/deepseek-r1:14b/output/hypervisor/661')
| -rw-r--r-- | results/classifier/deepseek-r1:14b/output/hypervisor/661 | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/results/classifier/deepseek-r1:14b/output/hypervisor/661 b/results/classifier/deepseek-r1:14b/output/hypervisor/661 new file mode 100644 index 00000000..cc6ea263 --- /dev/null +++ b/results/classifier/deepseek-r1:14b/output/hypervisor/661 @@ -0,0 +1,45 @@ + +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 |