On Mon, Sep 17, 2018 at 3:41 AM A. Wilcox <awilfox at adelielinux.org> wrote: > > adev->gfx.rlc in gfx_v8_0_init_microcode has the values from rlc_hdr > already processed by le32_to_cpu. Using the rlc_hdr values on > big-endian machines causes a kernel Oops due to writing well outside of > the array (0x24000000 instead of 0x24). gfx_v9_0 had the same issue and > was fixed in the same manner (but was not tested locally; I do not have > a v9 card). Applied. thanks! Alex > > [ 8.143396] Unable to handle kernel paging request for data at > address 0xc00800000615b000 > [ 8.143396] Faulting instruction address: 0xc008000005f063c8 > [ 8.143399] Oops: Kernel access of bad area, sig: 11 [#1] > [ 8.143429] BE SMP NR_CPUS=256 NUMA PowerNV > [ 8.143461] Modules linked in: binfmt_misc amdgpu(+) ast ttm > drm_kms_helper sysimgblt syscopyarea sysfillrect fb_sys_fops drm joydev > mac_hid tg3 ipmi_powernv ipmi_msghandler agpgart i2c_algo_bit shpchp > [ 8.143615] CPU: 0 PID: 2402 Comm: kworker/0:3 Not tainted > 4.14.48-mc8-easy #1 > [ 8.143679] Workqueue: events .work_for_cpu_fn > [ 8.143728] task: c0000003e7fd8000 task.stack: c0000003e7fe0000 > [ 8.143783] NIP: c008000005f063c8 LR: c008000005f06388 CTR: > c00000000027efd0 > [ 8.143869] REGS: c0000003e7fe3430 TRAP: 0300 Not tainted > (4.14.48-mc8-easy) > [ 8.143950] MSR: 9000000000009032 <SF,HV,EE,ME,IR,DR,RI> CR: > 28002444 XER: 20040000 > [ 8.144040] CFAR: c008000005f063d0 DAR: c00800000615b000 DSISR: > 40000000 SOFTE: 1 > [ 8.144787] NIP [c008000005f063c8] .gfx_v8_0_sw_init+0x5a8/0x15b0 > [amdgpu] > [ 8.144911] LR [c008000005f06388] .gfx_v8_0_sw_init+0x568/0x15b0 [amdgpu] > [ 8.144976] Call Trace: > [ 8.145049] [c0000003e7fe36b0] [c008000005f06388] > .gfx_v8_0_sw_init+0x568/0x15b0 [amdgpu] (unreliable) > [ 8.145194] [c0000003e7fe37c0] [c008000005e484c4] > .amdgpu_device_init+0xf34/0x1750 [amdgpu] > [ 8.145302] [c0000003e7fe38f0] [c008000005e4a94c] > .amdgpu_driver_load_kms+0x9c/0x2a0 [amdgpu] > [ 8.145420] [c0000003e7fe3980] [c008000004f4d200] > .drm_dev_register+0x1c0/0x250 [drm] > [ 8.145548] [c0000003e7fe3a30] [c008000005e416c4] > .amdgpu_pci_probe+0x164/0x1a0 [amdgpu] > [ 8.145601] [c0000003e7fe3ac0] [c000000000618ed0] > .local_pci_probe+0x60/0x130 > [ 8.145683] [c0000003e7fe3b60] [c0000000000e8780] > .work_for_cpu_fn+0x30/0x50 > [ 8.145774] [c0000003e7fe3be0] [c0000000000ecea8] > .process_one_work+0x2a8/0x550 > [ 8.145854] [c0000003e7fe3c80] [c0000000000ed430] > .worker_thread+0x2e0/0x600 > [ 8.145924] [c0000003e7fe3d70] [c0000000000f5338] .kthread+0x158/0x1a0 > [ 8.145973] [c0000003e7fe3e30] [c00000000000bd4c] > .ret_from_kernel_thread+0x58/0x8c > [ 8.146054] Instruction dump: > [ 8.146089] 38db004c 39200000 7d00342c 7d08da14 815b0048 554af0be > 7f8a4840 409d004c 792a1764 e8ff46f0 39290001 79290020 <7cc8542c> > 7cc7512e 4bffffd8 60000000 > [ 8.146252] ---[ end trace 8b0ede048bbb20ae ]--- > > -- > A. Wilcox (awilfox) > Project Lead, Adélie Linux > https://www.adelielinux.org > _______________________________________________ > amd-gfx mailing list > amd-gfx at lists.freedesktop.org > https://lists.freedesktop.org/mailman/listinfo/amd-gfx
