Re: loading drm crashes system

On Mon, Jan 25, 2021 at 11:16 AM Scott Bennett via freebsd-x11 <
[email protected]> wrote:

> Robert Huff <[email protected]> wrote:
>
> >       On a system now running:
> >
> > 14.0-CURRENT FreeBSD 14.0-CURRENT #0 main-d6327ae8c1: Sun Jan 24
> > 14:16:54 EST 2021 amd64
> >
> >       (src+ports updated at midnight US EST)
> >       with PORTS_MODULES="drm-current-kmod gpu-firmware-kmod", starting
> > the system _without_ loading drm results in a usable system.
> >       Loading drm - whether via kldlist in rc.conf or by kldload at the
> > console immediately after start-up - instantly crashes the system; the
> > screen goes blank and the lights on the monitor report no signal
> > from the system.
> >       There is nothing in dmesg.boot.
> >       In messages I find (75 lines follow):
> >
> > Jan 24 17:35:22 jerusalem kernel: [drm:drm_core_init] Initialized
> > Jan 24 17:35:22 jerusalem kernel: [drm] radeon kernel modesetting
> enabled.
> > Jan 24 17:35:22 jerusalem kernel: drmn0: <drmn> on vgapci0
> > Jan 24 17:35:22 jerusalem kernel: vgapci0: child drmn0 requested
> pci_enable_io
> > Jan 24 17:35:22 jerusalem kernel: [drm:drm_minor_register]
> > Jan 24 17:35:22 jerusalem kernel: [drm:drm_minor_register] new minor
> registered 128
> > Jan 24 17:35:22 jerusalem kernel: [drm:drm_minor_register]
> > Jan 24 17:35:22 jerusalem kernel: [drm:drm_minor_register] new minor
> registered 0
> > Jan 24 17:35:22 jerusalem kernel: [drm] initializing kernel modesetting
> (RS780 0x1002:0x9614 0x1849:0x9614 0x00).
> > Jan 24 17:35:22 jerusalem kernel: [drm:radeon_get_bios] ATOMBIOS detected
> > Jan 24 17:35:22 jerusalem kernel: [drm ERROR :radeon_atombios_init]
> Unable to find PCI I/O BAR; using MMIO for ATOM IIO
> > Jan 24 17:35:22 jerusalem kernel: [drm:atom_allocate_fb_scratch] atom
> firmware requested 17ffb000 20kb
> > Jan 24 17:35:22 jerusalem kernel: drmn0: VRAM: 384M 0x00000000C0000000 -
> 0x00000000D7FFFFFF (384M used)
> > Jan 24 17:35:22 jerusalem kernel: drmn0: GTT: 512M 0x00000000A0000000 -
> 0x00000000BFFFFFFF
> > Jan 24 17:35:22 jerusalem kernel: [drm] Detected VRAM RAM=384M, BAR=256M
> > Jan 24 17:35:22 jerusalem kernel: [drm] RAM width 32bits DDR
> > Jan 24 17:35:22 jerusalem kernel: [drm] radeon: 384M of VRAM memory ready
> > Jan 24 17:35:22 jerusalem kernel: [drm] radeon: 512M of GTT memory ready.
> > Jan 24 17:35:22 jerusalem kernel: [drm:r600_init_microcode]
> > Jan 24 17:35:22 jerusalem kernel: [drm] Loading RS780 Microcode
> > Jan 24 17:35:23 jerusalem kernel: drmn0: fail (0) to get firmware image
> with name: radeon/RS780_pfp.bin
> > Jan 24 17:35:23 jerusalem kernel: drmn0: successfully loaded firmware
> image with mapped name: radeon_RS780_pfp_bin
> > Jan 24 17:35:23 jerusalem kernel: drmn0: fail (0) to get firmware image
> with name: radeon/RS780_me.bin
> > Jan 24 17:35:23 jerusalem kernel: drmn0: successfully loaded firmware
> image with mapped name: radeon_RS780_me_bin
> > Jan 24 17:35:24 jerusalem kernel: drmn0: fail (0) to get firmware image
> with name: radeon/R600_rlc.bin
> > Jan 24 17:35:24 jerusalem kernel: drmn0: successfully loaded firmware
> image with mapped name: radeon_R600_rlc_bin
> > Jan 24 17:35:24 jerusalem kernel: [drm:radeon_pm_print_states] 3 Power
> State(s)
> > Jan 24 17:35:24 jerusalem kernel: [drm:radeon_pm_print_states] State 0:
> > Jan 24 17:35:24 jerusalem kernel: [drm:radeon_pm_print_states]
> Default[drm:radeon_pm_print_states]     1 Clock Mode(s)
> > Jan 24 17:35:24 jerusalem kernel: [drm:radeon_pm_print_states]
>       0 e: 800000
> > Jan 24 17:35:24 jerusalem kernel: [drm:radeon_pm_print_states] State 1:
> Performance
> > Jan 24 17:35:24 jerusalem kernel: [drm:radeon_pm_print_states]        1
> Clock Mode(s)
> > Jan 24 17:35:24 jerusalem kernel: [drm:radeon_pm_print_states]
>       0 e: 500000
> > Jan 24 17:35:24 jerusalem kernel: [drm:radeon_pm_print_states] State 2:
> > Jan 24 17:35:24 jerusalem kernel: [drm:radeon_pm_print_states]        1
> Clock Mode(s)
> > Jan 24 17:35:24 jerusalem kernel: [drm:radeon_pm_print_states]
>       0 e: 500000
> > Jan 24 17:35:24 jerusalem kernel: [drm] radeon: power management
> initialized
> > Jan 24 17:35:24 jerusalem kernel: drmn0: fail (0) to get firmware image
> with name: radeon/RS780_uvd.bin
> > Jan 24 17:35:24 jerusalem kernel: drmn0: successfully loaded firmware
> image with mapped name: radeon_RS780_uvd_bin
> > Jan 24 17:35:24 jerusalem kernel: [drm] GART: num cpu pages 131072, num
> gpu pages 131072
> > Jan 24 17:35:34 jerusalem kernel: [drm] PCIE GART of 512M enabled (table
> at 0x00000000C0146000).
> > Jan 24 17:35:34 jerusalem kernel: drmn0: WB enabled
> > Jan 24 17:35:34 jerusalem kernel: drmn0: fence driver on ring 0 use gpu
> addr 0x00000000a0000c00 and cpu addr 0x0xfffff801cb29cc00
> > Jan 24 17:35:34 jerusalem kernel: drmn0: fence driver on ring 5 use gpu
> addr 0x00000000c0056038 and cpu addr 0x0xfffff800d0056038
> > Jan 24 17:35:34 jerusalem kernel: [drm] Supports vblank timestamp
> caching Rev 2 (21.10.2013).
> > Jan 24 17:35:34 jerusalem kernel: [drm] Driver supports precise vblank
> timestamp query.
> > Jan 24 17:35:34 jerusalem kernel: drmn0: radeon: MSI limited to 32-bit
> > Jan 24 17:35:34 jerusalem kernel: [drm:drm_irq_install] irq=18
> > Jan 24 17:35:34 jerusalem kernel: [drm] radeon: irq initialized.
> > Jan 24 17:35:34 jerusalem kernel: [drm:r600_irq_process]
> r600_irq_process start: rptr 0, wptr 32
> > Jan 24 17:35:34 jerusalem kernel: [drm:r600_irq_process] IH: D1 flip
> > Jan 24 17:35:34 jerusalem kernel: [drm:r600_irq_process] IH: D2 flip
> > Jan 24 17:35:34 jerusalem kernel: [drm] ring test on 0 succeeded in 1
> usecs
> > Jan 24 17:35:34 jerusalem kernel: [drm ERROR :uvd_v1_0_start] UVD not
> responding, trying to reset the VCPU!!!
> > Jan 24 17:35:35 jerusalem kernel: [drm ERROR :uvd_v1_0_start] UVD not
> responding, giving up!!!
> > Jan 24 17:35:35 jerusalem kernel: drmn0: failed initializing UVD (-1).
> > Jan 24 17:35:35 jerusalem kernel: [drm:r600_irq_set] r600_irq_set: sw int
> > Jan 24 17:35:35 jerusalem kernel: [drm] ib test on ring 0 succeeded in 0
> usecs
> > Jan 24 17:35:35 jerusalem kernel: [drm:radeon_atombios_get_tv_info]
> Unknown TV standard; defaulting to NTSC
> > Jan 24 17:35:35 jerusalem kernel: [drm] Connector VGA-1: get mode from
> tunables:
> > Jan 24 17:35:35 jerusalem kernel: [drm]   - kern.vt.fb.modes.VGA-1
> > Jan 24 17:35:35 jerusalem kernel: [drm]   - kern.vt.fb.default_mode
> > Jan 24 17:35:35 jerusalem kernel: [drm:drm_connector_get_cmdline_mode]
> cmdline mode for connector VGA-1  800x600@60Hz
> > Jan 24 17:35:35 jerusalem kernel: [drm:drm_sysfs_connector_add] adding
> "VGA-1" to sysfs
> > Jan 24 17:35:35 jerusalem kernel: [drm:drm_sysfs_hotplug_event]
> generating hotplug event
> > Jan 24 17:35:35 jerusalem kernel: [drm] Connector DVI-D-1: get mode from
> tunables:
> > Jan 24 17:35:35 jerusalem kernel: [drm]   - kern.vt.fb.modes.DVI-D-1
> > Jan 24 17:35:35 jerusalem kernel: [drm]   - kern.vt.fb.default_mode
> > Jan 24 17:35:35 jerusalem kernel: [drm:drm_connector_get_cmdline_mode]
> cmdline mode for connector DVI-D-1  800x600@60Hz
> > Jan 24 17:35:35 jerusalem kernel: [drm:drm_sysfs_connector_add] adding
> "DVI-D-1" to sysfs
> > Jan 24 17:35:35 jerusalem kernel: [drm:drm_sysfs_hotplug_event]
> generating hotplug event
> > Jan 24 17:35:35 jerusalem kernel: [drm] Radeon Display Connectors
> > Jan 24 17:35:35 jerusalem kernel: [drm] Connector 0:
> > Jan 24 17:35:35 jerusalem kernel: [drm]   VGA-1
> > Jan 24 17:35:35 jerusalem kernel: [drm]   DDC: 0x7e40 0x7e40 0x7e44
> 0x7e44 0x7e48 0x7e48 0x7e4c 0x7e4c
> > Jan 24 17:35:35 jerusalem kernel: [drm]   Encoders:
> > Jan 24 17:35:35 jerusalem kernel: [drm]     CRT1: INTERNAL_KLDSCP_DAC1
> > Jan 24 17:35:35 jerusalem kernel: [drm] Connector 1:
> > Jan 24 17:35:35 jerusalem kernel: [drm]   DVI-D-1
> > Jan 24 17:35:35 jerusalem kernel: [drm]   HPD3
> > Jan 24 17:35:35 jerusalem kernel: [drm]   DDC: 0x7e50 0x7e50 0x7e54
> 0x7e54 0x7e58 0x7e58 0x7e5c 0x7e5c
> > Jan 24 17:35:35 jerusalem kernel: [drm]   Encoders:
> > Jan 24 17:35:35 jerusalem kernel: [drm]     DFP3: INTERNAL_KLDSCP_LVTMA
> > Jan 24 17:35:35 jerusalem kernel: [drm:r600_irq_set] r600_irq_set: hpd 3
> > Jan 24 17:35:35 jerusalem kernel: [drm:radeon_atom_encoder_dpms] encoder
> dpms 21 to mode 3, devices 00000001, active_devices 00000000
> > Jan 24 17:35:35 jerusalem kernel: [drm:radeon_atom_encoder_dpms] encoder
> dpms 31 to mode 3, devices 00000200, active_devices 00000000
> > Jan 24 17:35:35 jerusalem kernel: [drm:drm_crtc_vblank_off] crtc 0,
> vblank enabled 0, inmodeset 0
> > Jan 24 17:35:35 jerusalem kernel: [drm:drm_crtc_vblank_off] crtc 1,
> vblank enabled 0, inmodeset 0
> > Jan 24 17:35:35 jerusalem kernel: [drm:drm_client_modeset_probe]
> > Jan 24 17:35:35 jerusalem kernel: [drm:drm_mode_object_get] OBJ ID: 46
> (2)
> > Jan 24 17:35:35 jerusalem kernel: [drm:drm_mode_object_get] OBJ ID: 48
> (2)
> > Jan 24 17:35:35 jerusalem kernel:
> [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:46:VGA-1]
> > Jan 24 17:35:35 jerusalem kernel: [drm] Cannot find any crtc or sizes
> > Jan 24 17:35:35 jerusalem kernel: [drm] Initialized radeon 2.50.0
> 20080528 for drmn0 on minor 0
> > Jan 24 17:35:36 jerusalem kernel: [drm] Cannot find any crtc or sizes
> >
> >       [insert image of open jaw and glassy-eyed stare]
> >       The GPU is a Radeon HD 3300, and at one point this used to work.
> >       Help, please?
> >
>      The x11 team's opinion appears to be that a Radeon HD 5770 is too old
> to be
> supported, so a Radeon HD 3300, being considerably older, likely falls
> under that
> same opinion.  See PR #247441.
>

A big part of the problem is the upstream sources don't support these well
/ anymore. It's not the age, but more that the current code is just broken
because too few people use it.

Warner
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