<html> <head> <meta content="text/html; charset=utf-8" http-equiv="Content-Type"> </head> <body bgcolor="#FFFFFF" text="#000000"> <div class="moz-cite-prefix">On 5/22/2015 7:57 AM, Julian Margetson wrote: </div> <blockquote cite="mid:555F19BF.1010203@candw.ms" type="cite">On 5/18/2015 7:00 PM, Alex Deucher wrote: <blockquote type="cite">On Mon, May 18, 2015 at 6:41 PM, Julian Margetson <a class="moz-txt-link-rfc2396E" href="mailto:runaway@candw.ms"><runaway@candw.ms></a> wrote: <blockquote type="cite">On 5/18/2015 4:59 PM, Alex Deucher wrote: </blockquote> Snip <blockquote type="cite"> * 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 ] </blockquote> 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 </blockquote> The issues started with HDMI from Kernel 4.0.0-rc1. Could not get the git bisect completed. Any suggestions to get around the error below ? (.text+0x865dc): undefined reference to `__get_user_bad' ================================================================================================ More issues with Kernel 4.0.0-rc1 [ 33.535692] Unable to handle kernel paging request for data at address 0x00000008 [ 33.566786] Faulting instruction address: 0xc049db84 [ 33.574188] Vector: 300 (Data Access) at [eeb13c20] [ 33.579086] pc: c049db84: radeon_audio_enable+0x4/0x18 [ 33.584630] lr: c049e2f4: radeon_audio_detect+0x288/0x290 [ 33.590429] sp: eeb13cd0 [ 33.593310] msr: 29000 [ 33.595931] dar: 8 [ 33.598207] dsisr: 0 [ 33.600480] current = 0xeea93ac0 [ 33.603885] pid = 2311, comm = Xorg [ 33.607922] enter ? for help [ 33.610806] [link register ] c049e2f4 radeon_audio_detect+0x288/0x290 [ 33.617469] [eeb13cd0] c049e254 radeon_audio_detect+0x1e8/0x290 (unreliable) [ 33.624571] [eeb13d00] c03dfe7c radeon_dvi_detect+0x388/0x3ac [ 33.630369] [eeb13d30] c038b9d4 drm_helper_probe_single_connector_modes_merge_bits+0xf4/0x434 [ 33.638954] [eeb13d70] c03a7670 drm_mode_getconnector+0xf4/0x334 [ 33.645022] [eeb13e10] c039a8c0 drm_ioctl+0x348/0x464 [ 33.650135] [eeb13ed0] c00d0ca0 do_vfs_ioctl+0x52c/0x6e8 [ 33.655507] [eeb13f20] c00d0e9c SyS_ioctl+0x40/0x68 [ 33.660438] [eeb13f40] c000ab04 ret_from_syscall+0x0/0x3c [ 33.665896] --- Exception: c01 (System Call) at 6fb1b8dc [ 33.671253] SP (bfa56d20) is in userspace [ 33.675263] mon> <no input ...> [ 35.703835] Oops: Kernel access of bad area, sig: 11 [#1] [ 35.709554] PREEMPT Canyonlands [ 35.712876] Modules linked in: cfg80211 snd_ice1724 snd_hda_codec_hdmi snd_ak4113 snd_pt2258 snd_ak4114 snd_i2c snd_ice17xx_ak4xxx snd_ak4xxx_adda snd_ac97_codec snd_hda_intel ac97_bus snd_hda_controller snd_rawmidi snd_hda_codec snd_seq_device snd_pcm snd_timer snd [ 35.738047] CPU: 0 PID: 2311 Comm: Xorg Not tainted 4.0.0-rc1-Sam460ex #1 [ 35.745189] task: eea93ac0 ti: eeb12000 task.ti: eeb12000 [ 35.750872] NIP: c049db84 LR: c049e2f4 CTR: 00000000 [ 35.756098] REGS: eeb13c20 TRAP: 0300 Not tainted (4.0.0-rc1-Sam460ex) [ 35.763241] MSR: 00029000 <CE,EE,ME> CR: 24004422 XER: 20000000 [ 35.769778] DEAR: 00000008 ESR: 00000000 GPR00: c049e254 eeb13cd0 eea93ac0 eaa84000 00000000 0000000f ee0532c0 000190d6 GPR08: eab6da00 00000000 00000000 eeb13cb0 28004422 b7a11ff4 b7a87a98 b7a87988 GPR16: 00000000 ffffffff 00000000 eeb13e18 eaa08194 eaa08178 00000001 00004000 GPR24: 00004000 c071cd28 fffffff2 00000000 eab6c000 eaa84000 eab6da00 eab80400 [ 35.804302] NIP [c049db84] radeon_audio_enable+0x4/0x18 [ 35.809799] LR [c049e2f4] radeon_audio_detect+0x288/0x290 [ 35.815480] Call Trace: [ 35.818053] [eeb13cd0] [c049e254] radeon_audio_detect+0x1e8/0x290 (unreliable) [ 35.825694] [eeb13d00] [c03dfe7c] radeon_dvi_detect+0x388/0x3ac [ 35.831956] [eeb13d30] [c038b9d4] drm_helper_probe_single_connector_modes_merge_bits+0xf4/0x434 [ 35.841137] [eeb13d70] [c03a7670] drm_mode_getconnector+0xf4/0x334 [ 35.847663] [eeb13e10] [c039a8c0] drm_ioctl+0x348/0x464 [ 35.853183] [eeb13ed0] [c00d0ca0] do_vfs_ioctl+0x52c/0x6e8 [ 35.858974] [eeb13f20] [c00d0e9c] SyS_ioctl+0x40/0x68 [ 35.864307] [eeb13f40] [c000ab04] ret_from_syscall+0x0/0x3c [ 35.870196] --- interrupt: c01 at 0x6fb1b8dc [ 35.870196] LR = 0x6fb1b800 [ 35.877971] Instruction dump: [ 35.881106] 8129012c 806a0018 2f890000 419e0018 81290004 2f890000 419e000c 7d2903a6 [ 35.889403] 4e800420 38600000 4e800020 81231c70 <81290008> 2f890000 4d9e0020 7d2903a6 [ 36.042121] ---[ end trace 3e83f5fa0d05c678 ]--- [ 36.046739] With Kernel 3.19 [ 2.454668] Linux agpgart interface v0.103 [ 2.458979] [drm] Initialized drm 1.1.0 20060810 [ 2.463814] [drm] radeon kernel modesetting enabled. [ 2.469870] [drm] initializing kernel modesetting (TURKS 0x1002:0x6758 0x1682:0x318B). [ 2.478007] [drm] register mmio base: 0xe90000000 [ 2.482774] [drm] register mmio size: 131072 [ 2.665432] ATOM BIOS: TURKS [ 2.668602] radeon 0001:81:00.0: VRAM: 1024M 0x0000000000000000 - 0x000000003FFFFFFF (1024M used) [ 2.677521] radeon 0001:81:00.0: GTT: 1024M 0x0000000040000000 - 0x000000007FFFFFFF [ 2.685201] [drm] Detected VRAM RAM=1024M, BAR=256M [ 2.690094] [drm] RAM width 128bits DDR [ 2.694109] [TTM] Zone kernel: Available graphics memory: 379192 kiB [ 2.700596] [TTM] Zone highmem: Available graphics memory: 1034552 kiB [ 2.707147] [TTM] Initializing pool allocator [ 2.711540] [TTM] Initializing DMA pool allocator [ 2.716359] [drm] radeon: 1024M of VRAM memory ready [ 2.721355] [drm] radeon: 1024M of GTT memory ready. [ 2.726395] [drm] Loading TURKS Microcode [ 2.730457] [drm] Internal thermal controller with fan control [ 2.741697] [drm] radeon: dpm initialized [ 2.745907] [drm] GART: num cpu pages 262144, num gpu pages 262144 [ 2.787690] [drm] PCIE GART of 1024M enabled (table at 0x0000000000274000). [ 2.794953] radeon 0001:81:00.0: WB enabled [ 2.799182] radeon 0001:81:00.0: fence driver on ring 0 use gpu addr 0x0000000040000c00 and cpu addr 0xffc01c00 [ 2.809300] radeon 0001:81:00.0: fence driver on ring 3 use gpu addr 0x0000000040000c0c and cpu addr 0xffc01c0c [ 2.839260] radeon 0001:81:00.0: fence driver on ring 5 use gpu addr 0x0000000000072118 and cpu addr 0xf9032118 [ 2.849411] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013). [ 2.856067] [drm] Driver supports precise vblank timestamp query. [ 2.862183] radeon 0001:81:00.0: radeon: MSI limited to 32-bit [ 2.868058] ppc4xx_setup_msi_irqs: fail allocating msi interrupt [ 2.874153] [drm] radeon: irq initialized. [ 3.103973] [drm:r600_ring_test] *ERROR* radeon: ring 0 test failed (scratch(0x8504)=0xCAFEDEAD) [ 3.112806] radeon 0001:81:00.0: disabling GPU acceleration [ 3.128627] [drm] Radeon Display Connectors [ 3.133369] [drm] Connector 0: [ 3.136481] [drm] DP-1 [ 3.139089] [drm] HPD1 [ 3.141665] [drm] DDC: 0x6470 0x6470 0x6474 0x6474 0x6478 0x6478 0x647c 0x647c [ 3.149146] [drm] Encoders: [ 3.152157] [drm] DFP1: INTERNAL_UNIPHY2 [ 3.156473] [drm] Connector 1: [ 3.159570] [drm] HDMI-A-1 [ 3.162469] [drm] HPD5 [ 3.165019] [drm] DDC: 0x6480 0x6480 0x6484 0x6484 0x6488 0x6488 0x648c 0x648c [ 3.172436] [drm] Encoders: [ 3.175415] [drm] DFP2: INTERNAL_UNIPHY2 [ 3.179703] [drm] Connector 2: [ 3.182766] [drm] DVI-I-1 [ 3.185570] [drm] HPD4 [ 3.188117] [drm] DDC: 0x6450 0x6450 0x6454 0x6454 0x6458 0x6458 0x645c 0x645c [ 3.195535] [drm] Encoders: [ 3.198513] [drm] DFP3: INTERNAL_UNIPHY [ 3.202706] [drm] CRT1: INTERNAL_KLDSCP_DAC1 [ 3.352245] [drm] fb mappable at 0x80475000 [ 3.356458] [drm] vram apper at 0x80000000 [ 3.360570] [drm] size 8294400 [ 3.363634] [drm] fb depth is 24 [ 3.366873] [drm] pitch is 7680 [ 3.575080] Console: switching to colour frame buffer device 240x67 [ 3.649278] radeon 0001:81:00.0: fb0: radeondrmfb frame buffer device [ 3.656071] radeon 0001:81:00.0: registered panic notifier [ 3.666472] [drm] Initialized radeon 2.40.0 20080528 for 0001:81:00.0 on minor 0 Problems with the Gib bisect Kernel wont compile after 10th bisect . drivers/built-in.o: In function `drm_mode_atomic_ioctl': (.text+0x865dc): undefined reference to `__get_user_bad' make: *** [vmlinux] Error 1 root@julian-VirtualBox:/usr/src/linux# git bisect log git bisect start # bad: [c517d838eb7d07bbe9507871fab3931deccff539] Linux 4.0-rc1 git bisect bad c517d838eb7d07bbe9507871fab3931deccff539 # good: [bfa76d49576599a4b9f9b7a71f23d73d6dcff735] Linux 3.19 git bisect good bfa76d49576599a4b9f9b7a71f23d73d6dcff735 # good: [02f1f2170d2831b3233e91091c60a66622f29e82] kernel.h: remove ancient __FUNCTION__ hack git bisect good 02f1f2170d2831b3233e91091c60a66622f29e82 # bad: [796e1c55717e9a6ff5c81b12289ffa1ffd919b6f] Merge branch 'drm-next' of git://people.freedesktop.org/~airlied/linux git bisect bad 796e1c55717e9a6ff5c81b12289ffa1ffd919b6f # good: [9682ec9692e5ac11c6caebd079324e727b19e7ce] Merge tag 'driver-core-3.20-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core git bisect good 9682ec9692e5ac11c6caebd079324e727b19e7ce # good: [a9724125ad014decf008d782e60447c811391326] Merge tag 'tty-3.20-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty git bisect good a9724125ad014decf008d782e60447c811391326 # good: [f43dff0ee00a259f524ce17ba4f8030553c66590] Merge tag 'drm-amdkfd-next-fixes-2015-01-25' of git://people.freedesktop.org/~gabbayo/linux into drm-next git bisect good f43dff0ee00a259f524ce17ba4f8030553c66590 # bad: [cffe1e89dc9bf541a39d9287ced7c5addff07084] drm: sti: HDMI add audio infoframe git bisect bad cffe1e89dc9bf541a39d9287ced7c5addff07084 # good: [2f5b4ef15c60bc5292a3f006c018acb3da53737b] Merge tag 'drm/tegra/for-3.20-rc1' of git://anongit.freedesktop.org/tegra/linux into drm-next git bisect good 2f5b4ef15c60bc5292a3f006c018acb3da53737b # bad: [865844448ce80ccd714793e9ba4140d7ae214229] drm/udl: optimize udl_compress_hline16 (v2) git bisect bad 865844448ce80ccd714793e9ba4140d7ae214229 # bad: [d47df63393ed81977e0f6435988d9cbd70c867f7] drm/panel: simple: Add AVIC TM070DDH03 panel support git bisect bad d47df63393ed81977e0f6435988d9cbd70c867f7 # bad: [9469244d869623e8b54d9f3d4d00737e377af273] drm/atomic: Fix potential use of state after free git bisect bad 9469244d869623e8b54d9f3d4d00737e377af273 Kernel 4.0.0-rc1 boots when DVI output used but not when HDMI output used. git bisect skip There are only 'skip'ped commits left to test. The first bad commit could be any of: b486e0e6d599b9ca8667fb9a7d49b7383ee963c7 eab3bbeffd152125ae0f90863b8e9bc8eef49423 960cd9d4fef6dd9e235c0e5c0d4ed027f8a48025 f02ad907cd9e7fe3a6405d2d005840912f1ed258 6a425c2a9b37ca3d2c37e3c1cdf973dba53eaa79 ee0a89cf3c2c550e6d877dda21dd2947afb90cb6 92890583627ee2a0518e55b063fcff86826fef96 95d6eb3b134e1826ed04cc92b224d93de13e281f 9469244d869623e8b54d9f3d4d00737e377af273 We cannot bisect more! </blockquote> <meta http-equiv="content-type" content="text/html; charset=utf-8"> <pre class="western"> Thank you. While the issue when using DVI video output is now ok with the latest fixes the oops still happens when using HDMI video output. [ 31.224167] Unable to handle kernel paging request for data at address 0x00000008 [ 31.273597] Faulting instruction address: 0xc04bf264 [ 39.225572] Oops: Kernel access of bad area, sig: 11 [#1] [ 39.231310] PREEMPT Canyonlands [ 39.234650] Modules linked in: [ 39.237894] CPU: 0 PID: 2009 Comm: Xorg Not tainted 4.1.0-rc5-Sam460ex-00161-gaaa20fc-dirty #24 [ 39.247084] task: edf0bac0 ti: eddd8000 task.ti: eddd8000 [ 39.252784] NIP: c04bf264 LR: c03fedf4 CTR: c03eff70 [ 39.258028] REGS: eddd9c50 TRAP: 0300 Not tainted (4.1.0-rc5-Sam460ex-00161-gaaa20fc-dirty) [ 39.267124] MSR: 00029000 <CE,EE,ME> CR: 24004442 XER: 00000000 [ 39.273678] DEAR: 00000008 ESR: 00000000 GPR00: c03fedf4 eddd9d00 edf0bac0 eeb10000 00000000 0000000f eddd9be8 00000000 GPR08: 0000f6a3 00000000 eeb14800 eddd9cc0 20004422 208bbafc 208b3b30 20d4b530 GPR16: 00000000 ffffffff 1f88a730 00000000 eddd9e18 eeb14978 00000001 00004000 GPR24: 00004000 c076d878 c0761b20 00000000 eeb10000 00000001 00000001 eeb7b000 [ 39.308222] NIP [c04bf264] radeon_audio_enable+0x4/0x18 [ 39.313751] LR [c03fedf4] radeon_dvi_detect+0x388/0x3ac [ 39.319267] Call Trace: [ 39.321850] [eddd9d00] [c03fedf4] radeon_dvi_detect+0x388/0x3ac (unreliable) [ 39.329340] [eddd9d30] [c03a985c] drm_helper_probe_single_connector_modes_merge_bits+0xf4/0x448 [ 39.338548] [eddd9d70] [c03c5afc] drm_mode_getconnector+0xe4/0x334 [ 39.345099] [eddd9e10] [c03b89a0] drm_ioctl+0x374/0x458 [ 39.350639] [eddd9ed0] [c00d9ff0] do_vfs_ioctl+0x52c/0x6e8 [ 39.356450] [eddd9f20] [c00da1ec] SyS_ioctl+0x40/0x68 [ 39.361800] [eddd9f40] [c000ac24] ret_from_syscall+0x0/0x3c [ 39.367701] --- interrupt: c01 at 0x2014e1dc [ 39.367701] LR = 0x2014e100 [ 39.375501] Instruction dump: [ 39.378653] 8129012c 806a0018 2f890000 419e0018 81290004 2f890000 419e000c 7d2903a6 [ 39.386958] 4e800420 38600000 4e800020 81231cf0 <81290008> 2f890000 4d9e0020 7d2903a6 [ 39.550838] ---[ end trace 3836187126bca8ff ]--- [ 39.555457] </pre> <title></title> <meta name="generator" content="LibreOffice 4.3.7.2 (Windows)"> <style type="text/css"> @page { margin: 0.79in } pre.cjk { font-family: "NSimSun", monospace } p { margin-bottom: 0.1in; line-height: 120% } </style> </body> </html>