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authorChristian Krinitsin <mail@krinitsin.com>2025-05-21 21:21:26 +0200
committerChristian Krinitsin <mail@krinitsin.com>2025-05-21 21:21:26 +0200
commit4b927bc37359dec23f67d3427fc982945f24f404 (patch)
tree245449ef9146942dc7fffd0235b48b7e70a00bf2 /gitlab/issues/target_missing/host_arm/accel_TCG/1714.toml
parentaa8bd79cec7bf6790ddb01d156c2ef2201abbaab (diff)
downloadqemu-analysis-4b927bc37359dec23f67d3427fc982945f24f404.tar.gz
qemu-analysis-4b927bc37359dec23f67d3427fc982945f24f404.zip
add gitlab issues in toml format
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+id = 1714
+title = "QEMU crashes on ARMv7 since at least commit 493c9b19"
+state = "closed"
+created_at = "2023-06-18T16:06:16.540Z"
+closed_at = "2024-02-14T15:45:11.632Z"
+labels = ["Closed::Fixed", "accel: TCG", "host: arm"]
+url = "https://gitlab.com/qemu-project/qemu/-/issues/1714"
+host-os = "Android"
+host-arch = "ARMv7a"
+qemu-version = "7.2.50 .. 8.0.0 .. 8.0.2 .. master"
+guest-os = "TinyCore Linux 12"
+guest-arch = "x86"
+description = """I'm trying to build QEMU for Android, Arm64 versions work well, but **Armv7** builds began to crash nearly since this series of commits (QEMU 7.2.50), related to 'TCG_TARGET_HAS_direct_jump' removal by @rth7680.
+More precisely, this commit still works:
+
+https://gitlab.com/qemu-project/qemu/-/commit/82df11e78d0baef7ffb7e7933c6fb830ffed087c
+
+and this one crashes:
+
+https://gitlab.com/qemu-project/qemu/-/commit/493c9b19a7fb7f387c4fcf57d3836504d5242bf5
+
+(I tracked commits of 'tcg' subfolder and didn't bisect finer, but it's possible if needed).
+
+Both qemu-system-x86_64 and qemu-system-i386 emulators crash.
+
+**The crash is related to translation buffer size** : if I don't specify "-accel tcg,thread=single **,tb-size=256** ", the machine works.
+
+The problem is that I can not run debugger on a phone, and crash dump does not show any useful information, just "segfault" reason ("Fatal signal 11 (SIGSEGV), code 2 (SEGV_ACCERR), fault addr 0xe19b8000").
+
+Even more, the Linux starts and runs, but it crashes only when I'm trying to run the GIMP, between splash screen and main interface appearance.
+
+I know that 1) Android is not officially supported and 2) 32-bit hosts were considered deprecated recently, but maybe it's possible to do something with these crashes?
+
+Recent master (https://gitlab.com/qemu-project/qemu/-/commit/5692a39f329413a00020a61fff95aff6b9884a73) doesn't work as well.
+All 8.0.x Arm64 builds are runnable.
+
+Thanks in advance."""
+reproduce = "n/a"
+additional = "n/a"