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| author | Christian Krinitsin <mail@krinitsin.com> | 2025-06-01 21:35:14 +0200 |
|---|---|---|
| committer | Christian Krinitsin <mail@krinitsin.com> | 2025-06-01 21:35:14 +0200 |
| commit | 3e4c5a6261770bced301b5e74233e7866166ea5b (patch) | |
| tree | 9379fddaba693ef8a045da06efee8529baa5f6f4 /gitlab/issues_text/target_m68k/host_missing/accel_missing/2807 | |
| parent | e5634e2806195bee44407853c4bf8776f7abfa4f (diff) | |
| download | qemu-analysis-3e4c5a6261770bced301b5e74233e7866166ea5b.tar.gz qemu-analysis-3e4c5a6261770bced301b5e74233e7866166ea5b.zip | |
clean up repository
Diffstat (limited to 'gitlab/issues_text/target_m68k/host_missing/accel_missing/2807')
| -rw-r--r-- | gitlab/issues_text/target_m68k/host_missing/accel_missing/2807 | 31 |
1 files changed, 0 insertions, 31 deletions
diff --git a/gitlab/issues_text/target_m68k/host_missing/accel_missing/2807 b/gitlab/issues_text/target_m68k/host_missing/accel_missing/2807 deleted file mode 100644 index b68aba30d..000000000 --- a/gitlab/issues_text/target_m68k/host_missing/accel_missing/2807 +++ /dev/null @@ -1,31 +0,0 @@ -DOUBLE MMU FAULT when running -M virt in qemu-system-m68k -Description of problem: -When running qemu-system-m68k with the -M virt machine type, a DOUBLE MMU FAULT occurs immediately upon startup, even without any BIOS, disk image, or additional configuration. -Steps to reproduce: -1. qemu-system-m68k -M virt -m 4M -serial stdio - -QEMU crashes immediately with the following output: -``` -qemu: fatal: DOUBLE MMU FAULT -D0 = 00000000 A0 = 00000000 F0 = 7fff ffffffffffffffff ( nan) -D1 = 00000000 A1 = 00000000 F1 = 7fff ffffffffffffffff ( nan) -D2 = 00000000 A2 = 00000000 F2 = 7fff ffffffffffffffff ( nan) -D3 = 00000000 A3 = 00000000 F3 = 7fff ffffffffffffffff ( nan) -D4 = 00000000 A4 = 00000000 F4 = 7fff ffffffffffffffff ( nan) -D5 = 00000000 A5 = 00000000 F5 = 7fff ffffffffffffffff ( nan) -D6 = 00000000 A6 = 00000000 F6 = 7fff ffffffffffffffff ( nan) -D7 = 00000000 A7 = 00000000 F7 = 7fff ffffffffffffffff ( nan) -PC = 00400000 SR = 2704 T:0 I:7 SI --Z-- -FPSR = 00000000 ---- - FPCR = 0000 X RN - A7(MSP) = 00000000 A7(USP) = 00000000 ->A7(ISP) = 00000000 -VBR = 0x00000000 -SFC = 0 DFC 0 -SSW 00000105 TCR 00000000 URP 00000000 SRP 00000000 -DTTR0/1: 00000000/00000000 ITTR0/1: 00000000/00000000 -MMUSR 00000000, fault at fffffffc -``` -Additional information: -The issue seems to be related to incorrect memory initialization, causing a fault at address fffffffc. -The PC = 00400000 suggests that QEMU is jumping to an invalid address early in the boot process. -The fact that the fault is consistent across different configurations (q800, next-cube, etc) points to a possible regression or incomplete memory initialization in the virt machine. |