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id = 2944
title = "Commit 59754f85 introduces regression with U-Boot on Cortex-A9 platforms"
state = "opened"
created_at = "2025-05-01T15:27:16.797Z"
closed_at = "n/a"
labels = ["TestCase", "target: arm"]
url = "https://gitlab.com/qemu-project/qemu/-/issues/2944"
host-os = "Ubuntu 2022.04"
host-arch = "x86_64"
qemu-version = "v10.0.0-365-g73d29ea241"
guest-os = "U-Boot"
guest-arch = "arm"
description = """In U-Boot CI, we started to update from v8.2.0 to v9.2.3 and found that the vexpress_ca9x4 platform was now failing one of the CI tests. I have reconfirmed the problem on top of tree QEMU, and bisected the failure to commit [59754f85("target/arm: Do memory type alignment check when translation disabled
")](https://gitlab.com/qemu-project/qemu/-/commit/59754f85ed35cbd5f4bf2663ca2136c78d5b2413). I have also re-verified the test is fine on a physical platform with a Cortex-A9 that is as follows (per the RM):
```
Table 12-2. Cortex-A9 revision
Core MP004-BU-50000-r2p10-0rel0
NEON AT397-BU-50001- r2p0-00rel0
PL310 PL310-BU-00000-r3p2-50rel0
```"""
reproduce = """1. git clone https://source.denx.de/u-boot/u-boot.git; cd u-boot
2. make O=/tmp/vexpress_ca9x4 CROSS_COMPILE=arm-linux-gnueabi- vexpress_ca9x4_config
3. make O=/tmp/vexpress_ca9x4 CROSS_COMPILE=arm-linux-gnueabi- -sj$(nproc)
4. qemu-system-arm -nographic -m 1G -audio none -net user,tftp=/tmp/vexpress_ca9x4 -net nic -M vexpress-a9 -kernel /tmp/vexpress_ca9x4/u-boot
5. Stop autoboot with any key
6. setenv autoload no
7. dhcp
8. tftpboot 60200000 lib/efi_loader/helloworld.efi"""
additional = """"""
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