[BUG/REGRESSION] Radeon HDMI casuses oops on Acube Sam460ex amcc 460ex power board

[Alex Deucher]

On Mon, May 18, 2015 at 6:41 PM, Julian Margetson <runaway at candw.ms> wrote:
> On 5/18/2015 4:59 PM, Alex Deucher wrote:
>
Snip



>  * Starting NTP server ntpd       [   28.819002] Unable to handle kernel
> paging request for data at address 0x00000008
> [   28.860330] Faulting instruction address: 0xc04a5218
> [   30.874910] Oops: Kernel access of bad area, sig: 11 [#1]
> [   30.892488] PREEMPT Canyonlands
> [   30.907764] Modules linked in:
> [   30.922944] CPU: 0 PID: 1949 Comm: Xorg Not tainted 4.0.4-Sam460ex #4
> [   30.941699] task: edd7a920 ti: ee6d0000 task.ti: ee6d0000
> [   30.959284] NIP: c04a5218 LR: c04a5544 CTR: 00000000
> [   30.976315] REGS: ee6d1c30 TRAP: 0300   Not tainted  (4.0.4-Sam460ex)
> [   30.995038] MSR: 00029000 <CE,EE,ME>  CR: 24004242  XER: 00000000
> [   31.013805] DEAR: 00000008 ESR: 00000000
> GPR00: c04a5530 ee6d1ce0 edd7a920 ee984000 00000000 00000000 c0ac2c04
> 61626c69
> GPR08: 00000000 00000000 00000000 ee6d1ce0 24004244 b7e90afc b84d1ab0
> b84d0530
> GPR16: 00000000 ffffffff 6f23c730 ee6d1e18 c03add64 eea00578 00000001
> 00004000
> GPR24: 00004000 c0719b98 eeb62200 c08d825c ee4e4000 ee984000 00000000
> eeaf8f00
> [   31.111915] NIP [c04a5218] radeon_audio_enable+0x4/0x18
> [   31.130834] LR [c04a5544] radeon_audio_detect+0x150/0x1bc
> [   31.150046] Call Trace:
> [   31.166259] [ee6d1ce0] [c04a5530] radeon_audio_detect+0x13c/0x1bc
> (unreliable)
> [   31.187768] [ee6d1d00] [c03e69b4] radeon_dvi_detect+0x3a8/0x3cc
> [   31.207983] [ee6d1d30] [c0391cf8]
> drm_helper_probe_single_connector_modes_merge_bits+0xf4/0x448
> [   31.231287] [ee6d1d70] [c03ade48] drm_mode_getconnector+0xe4/0x334
> [   31.252222] [ee6d1e10] [c03a0bf4] drm_ioctl+0x348/0x464
> [   31.272107] [ee6d1ed0] [c00ce2e4] do_vfs_ioctl+0x52c/0x6e8
> [   31.292084] [ee6d1f20] [c00ce4e0] SyS_ioctl+0x40/0x68
> [   31.311408] [ee6d1f40] [c000ab1c] ret_from_syscall+0x0/0x3c
> [   31.331466] --- interrupt: c01 at 0x6fb001dc
> [   31.331466]     LR = 0x6fb00100
> [   31.368093] Instruction dump:
> [   31.385716] 8129012c 806a0018 2f890000 419e0018 81290004 2f890000
> 419e000c 7d2903a6
> [   31.408631] 4e800420 38600000 4e800020 81231cd8 <81290008> 2f890000
> 4d9e0020 7d2903a6
> [   31.587312] ---[ end trace 2a6dca2844a1913c ]---
> [   31.591930]
> [   32.489288] init: bluetooth main process (2051) terminated with status 1
> [   32.501384] init: bluetooth main process ended, respawning
> [   33.156098] init: bluetooth main process (2076) terminated with status 1
> [   33.183330] init: bluetooth main process ended, respawning
> [   33.859517] init: bluetooth main process (2124) terminated with status 1
> [   33.880582] init: bluetooth main process ended, respawning
> [   34.450457] init: bluetooth main process (2177) terminated with status 1
> [   34.457287] init: bluetooth main process ended, respawning
>  * Starting Mount filesystems on boot[ OK ]
>

Are you sure you booted the right kernel and applied both patches?  I
don't see any of the debugging output from the patch.

Alex