https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=264206
Bug ID: 264206
Summary: sysctl panic with hw.dri.0.vblank
Product: Base System
Version: 13.1-RELEASE
Hardware: amd64
OS: Any
Status: New
Severity: Affects Some People
Priority: ---
Component: kern
Assignee: [email protected]
Reporter: [email protected]
I am using an older ATI card, using the latest drm-fbsd13-kmod version
'sysctl hw.dri.0.vblank' causes a kernel panic.
I managed to capture a screenshot of the console before the system, it is
attached.
These are the kernel modules loaded:
root@r720 ~# kldstat
Id Refs Address Size Name
1 111 0xffffffff80200000 1f30590 kernel
2 1 0xffffffff82131000 94d10 t4fw_cfg.ko
3 1 0xffffffff821c6000 c23b8 t6fw_cfg.ko
4 1 0xffffffff82289000 b5318 t5fw_cfg.ko
5 1 0xffffffff8233f000 13408 ipmi.ko
6 2 0xffffffff82353000 4508 smbus.ko
7 1 0xffffffff82358000 af68 cryptodev.ko
8 1 0xffffffff82363000 22910 if_oce.ko
9 1 0xffffffff82386000 43b8 pflog.ko
10 2 0xffffffff8238b000 785e0 pf.ko
11 1 0xffffffff82404000 5ec1d8 zfs.ko
12 1 0xffffffff829f1000 f32b8 if_cxgbe.ko
13 1 0xffffffff82ae6000 3fc98 mps.ko
14 1 0xffffffff82b26000 3d58 coretemp.ko
15 1 0xffffffff82ee8000 150c70 radeonkms.ko
16 2 0xffffffff83039000 7e020 drm.ko
17 3 0xffffffff830b8000 cbc8 linuxkpi_gplv2.ko
18 1 0xffffffff830c5000 e778 ttm.ko
19 1 0xffffffff830d4000 3378 acpi_wmi.ko
20 1 0xffffffff830d8000 8d38 ioat.ko
21 1 0xffffffff830e1000 2340 uhid.ko
22 1 0xffffffff830e4000 3380 usbhid.ko
23 1 0xffffffff830e8000 31f8 hidbus.ko
24 1 0xffffffff830ec000 4350 ums.ko
25 1 0xffffffff830f1000 2a08 mac_ntpd.ko
This is the drm related dmesg output:
[95] <6>[drm] radeon kernel modesetting enabled.
[95] drmn1: <drmn> numa-domain 1 on vgapci1
[95] vgapci1: child drmn1 requested pci_enable_io
[95] vgapci1: child drmn1 requested pci_enable_io
[95] sysctl_warn_reuse: can't re-use a leaf (hw.dri.debug)!
[95] <6>[drm] initializing kernel modesetting (CAICOS 0x1002:0x6778
0x1028:0x2120 0x00).
[96] [drm ERROR :radeon_atombios_init] Unable to find PCI I/O BAR; using MMIO
for ATOM IIO
[96] ATOM BIOS: C26411
[96] <6>[drm] GPU not posted. posting now...
[96] drmn1: VRAM: 1024M 0x0000000000000000 - 0x000000003FFFFFFF (1024M used)
[96] drmn1: GTT: 1024M 0x0000000040000000 - 0x000000007FFFFFFF
[96] Successfully added WC MTRR for [0x3bff0000000-0x3bfffffffff]: 0;
[96] <6>[drm] Detected VRAM RAM=1024M, BAR=256M
[96] <6>[drm] RAM width 64bits DDR
[96] [TTM] Zone kernel: Available graphics memory: 67054486 KiB
[96] [TTM] Zone dma32: Available graphics memory: 2097152 KiB
[96] [TTM] Initializing pool allocator
[96] <6>[drm] radeon: 1024M of VRAM memory ready
[96] <6>[drm] radeon: 1024M of GTT memory ready.
[96] <6>[drm] Loading CAICOS Microcode
[96] drmn1: could not load firmware image 'radeon/CAICOS_pfp.bin'
[96] ni_cp: Failed to load firmware "radeon/CAICOS_pfp.bin"
[96] [drm ERROR :evergreen_init] Failed to load firmware!
[96] drmn1: Fatal error during GPU init
[96] <6>[drm] radeon: finishing device.
[96] [TTM] Finalizing pool allocator
[96] [TTM] Zone kernel: Used memory at exit: 0 KiB
[96] [TTM] Zone dma32: Used memory at exit: 0 KiB
[96] <6>[drm] radeon: ttm finalized
[96] Warning: can't remove non-dynamic nodes (dri)!
[96] device_attach: drmn1 attach returned 2
This is the hardware being used:
vgapci1@pci0:67:0:0: class=0x030000 rev=0x00 hdr=0x00 vendor=0x1002
device=0x6778 subvendor=0x1028 subdevice=0x2120
vendor = 'Advanced Micro Devices, Inc. [AMD/ATI]'
device = 'Caicos XT [Radeon HD 7470/8470 / R5 235/310 OEM]'
class = display
subclass = VGA
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