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authorChristian Krinitsin <mail@krinitsin.com>2025-06-01 21:35:14 +0200
committerChristian Krinitsin <mail@krinitsin.com>2025-06-01 21:35:14 +0200
commit3e4c5a6261770bced301b5e74233e7866166ea5b (patch)
tree9379fddaba693ef8a045da06efee8529baa5f6f4 /gitlab/issues_text/target_sparc/host_missing/accel_TCG/740
parente5634e2806195bee44407853c4bf8776f7abfa4f (diff)
downloadqemu-analysis-3e4c5a6261770bced301b5e74233e7866166ea5b.tar.gz
qemu-analysis-3e4c5a6261770bced301b5e74233e7866166ea5b.zip
clean up repository
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-on single core Raspberry Pi, qemu-system-sparc appears to hang in bios
-Description of problem:
-I suspect it to be a race condition related to running on the slow single core Raspberry Pi, as I haven't managed to reproduce on x86 even when using taskset to tie qemu to a single core.
-
-The problem occurs about 4 out of 5 runs on qemu 5.2 (raspbian bullseye) and so far 100% of the time on qemu 6.1.
-
-About five seconds after start the sparc bios gets as far as `ttya initialized` and then appears to hang indefinitely.
-
-Instead, it should continue after about 3 more seconds with:
-```
-Probing Memory Bank #0 32 Megabytes
-Probing Memory Bank #1 Nothing there
-Probing Memory Bank #2 Nothing there
-Probing Memory Bank #3 Nothing there
-```
-
-See below for workaround.
-Steps to reproduce:
-1. Need a single core Raspberry Pi running raspbian, such as Raspberry Pi 1 or Zero
-2. Download ss5.bin from https://github.com/andarazoroflove/sparc/raw/master/ss5.bin
-3. Run the command:
-```
-qemu-system-sparc -m 32 -bios ss5.bin -nographic
-```
-After about 5 seconds of output it hangs at `ttya initialized`
-Additional information:
-##