On Sun, Oct 01, 2023 at 07:05:11PM -0400, Justin Piszcz wrote: > Hello, > > Kernel: 6.5.5 > Arch: x86_64 > Distribution: Debian testing > > Recently, I enabled UBSAN and noticed the following at boot time with > an older AMD graphics card, is this considered normal when using the > AMD firmware-linux-nonfree package? > > [ .. ] > [Sun Oct 1 15:59:04 2023] ACPI: bus type drm_connector registered > [Sun Oct 1 15:59:04 2023] [drm] radeon kernel modesetting enabled. > [Sun Oct 1 15:59:04 2023] [drm] initializing kernel modesetting > (CEDAR 0x1002:0x68E1 0x1787:0x3000 0x00). > [Sun Oct 1 15:59:04 2023] ATOM BIOS: PARK > [Sun Oct 1 15:59:04 2023] radeon 0000:03:00.0: VRAM: 1024M > 0x0000000000000000 - 0x000000003FFFFFFF (1024M used) > [Sun Oct 1 15:59:04 2023] radeon 0000:03:00.0: GTT: 1024M > 0x0000000040000000 - 0x000000007FFFFFFF > [Sun Oct 1 15:59:04 2023] [drm] Detected VRAM RAM=1024M, BAR=256M > [Sun Oct 1 15:59:04 2023] [drm] RAM width 64bits DDR > [Sun Oct 1 15:59:04 2023] [drm] radeon: 1024M of VRAM memory ready > [Sun Oct 1 15:59:04 2023] [drm] radeon: 1024M of GTT memory ready. > [Sun Oct 1 15:59:04 2023] [drm] Loading CEDAR Microcode > [Sun Oct 1 15:59:04 2023] [drm] Internal thermal controller with fan control > [Sun Oct 1 15:59:04 2023] > ================================================================================ > [Sun Oct 1 15:59:04 2023] UBSAN: array-index-out-of-bounds in > drivers/gpu/drm/radeon/radeon_atombios.c:2620:43 > [Sun Oct 1 15:59:04 2023] index 1 is out of range for type 'UCHAR [1]' > [Sun Oct 1 15:59:04 2023] CPU: 5 PID: 1 Comm: swapper/0 Tainted: G > T 6.5.5 #13 55df8de52754ef95effc50a55e9206abdea304ac > [Sun Oct 1 15:59:04 2023] Hardware name: Supermicro X9SRL-F/X9SRL-F, > BIOS 3.3 11/13/2018 > [Sun Oct 1 15:59:04 2023] Call Trace: > [Sun Oct 1 15:59:04 2023] <TASK> > [Sun Oct 1 15:59:04 2023] dump_stack_lvl+0x36/0x50 > [Sun Oct 1 15:59:04 2023] __ubsan_handle_out_of_bounds+0xc7/0x110 > [Sun Oct 1 15:59:04 2023] radeon_atombios_get_power_modes+0x87a/0x8f0 > [Sun Oct 1 15:59:04 2023] radeon_pm_init+0x13a/0x7e0 > [Sun Oct 1 15:59:04 2023] evergreen_init+0x13d/0x3d0 > [Sun Oct 1 15:59:04 2023] radeon_device_init+0x60a/0xbf0 > [Sun Oct 1 15:59:04 2023] radeon_driver_load_kms+0xb1/0x250 > [Sun Oct 1 15:59:04 2023] drm_dev_register+0xfc/0x250 > [Sun Oct 1 15:59:04 2023] radeon_pci_probe+0xd0/0x150 > [Sun Oct 1 15:59:04 2023] pci_device_probe+0x97/0x130 > [Sun Oct 1 15:59:04 2023] really_probe+0xbe/0x2f0 > [Sun Oct 1 15:59:04 2023] ? __pfx___driver_attach+0x10/0x10 > [Sun Oct 1 15:59:04 2023] __driver_probe_device+0x6e/0x120 > [Sun Oct 1 15:59:04 2023] driver_probe_device+0x1a/0x90 > [Sun Oct 1 15:59:04 2023] __driver_attach+0xd4/0x170 > [Sun Oct 1 15:59:04 2023] bus_for_each_dev+0x87/0xe0 > [Sun Oct 1 15:59:04 2023] bus_add_driver+0xf3/0x1f0 > [Sun Oct 1 15:59:04 2023] driver_register+0x58/0x120 > [Sun Oct 1 15:59:04 2023] ? __pfx_radeon_module_init+0x10/0x10 > [Sun Oct 1 15:59:04 2023] do_one_initcall+0x93/0x4a0 > [Sun Oct 1 15:59:04 2023] kernel_init_freeable+0x301/0x580 > [Sun Oct 1 15:59:04 2023] ? __pfx_kernel_init+0x10/0x10 > [Sun Oct 1 15:59:04 2023] kernel_init+0x15/0x1b0 > [Sun Oct 1 15:59:04 2023] ret_from_fork+0x2f/0x50 > [Sun Oct 1 15:59:04 2023] ? __pfx_kernel_init+0x10/0x10 > [Sun Oct 1 15:59:04 2023] ret_from_fork_asm+0x1b/0x30 > [Sun Oct 1 15:59:04 2023] </TASK> > [Sun Oct 1 15:59:04 2023] > ================================================================================ > [Sun Oct 1 15:59:04 2023] [drm] radeon: dpm initialized > [Sun Oct 1 15:59:04 2023] [drm] GART: num cpu pages 262144, num gpu > pages 262144 > [Sun Oct 1 15:59:04 2023] [drm] enabling PCIE gen 2 link speeds, > disable with radeon.pcie_gen2=0 > [Sun Oct 1 15:59:04 2023] [drm] PCIE GART of 1024M enabled (table at > 0x000000000014C000). > [Sun Oct 1 15:59:04 2023] radeon 0000:03:00.0: WB enabled > [Sun Oct 1 15:59:04 2023] radeon 0000:03:00.0: fence driver on ring 0 > use gpu addr 0x0000000040000c00 > [Sun Oct 1 15:59:04 2023] radeon 0000:03:00.0: fence driver on ring 3 > use gpu addr 0x0000000040000c0c > [Sun Oct 1 15:59:04 2023] radeon 0000:03:00.0: fence driver on ring 5 > use gpu addr 0x000000000005c418 > [Sun Oct 1 15:59:04 2023] radeon 0000:03:00.0: radeon: MSI limited to 32-bit > [Sun Oct 1 15:59:04 2023] radeon 0000:03:00.0: radeon: using MSI. > [Sun Oct 1 15:59:04 2023] [drm] radeon: irq initialized. > Please also open an issue on freedesktop tracker [1]. Thanks. [1]: https://gitlab.freedesktop.org/drm/amd/-/issues -- An old man doll... just what I always wanted! - Clara
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