Thanks for the report, Christian Adding Andy and Russell on Cc.
On Fri, Jan 16, 2015 at 9:05 AM, Christian Gmeiner <christian.gmei...@gmail.com> wrote: > [ 17.946189] ------------[ cut here ]------------ > [ 17.950848] WARNING: CPU: 0 PID: 3 at lib/dma-debug.c:1093 > check_unmap+0x858/0xa10() > [ 17.958674] fec 2188000.ethernet: DMA-API: device driver tries to > free DMA memory it has not allocated [device > address=0x0000000000000000] [size=34 bytes] > [ 17.972564] Modules linked in: etnaviv(C) imx_ipuv3_crtc imx_hdmi > imxdrm drm_kms_helper drm > [ 17.981086] CPU: 0 PID: 3 Comm: ksoftirqd/0 Tainted: G WC > 3.19.0-rc4+ #31 > [ 17.988893] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) > [ 17.995488] Backtrace: > [ 17.997982] [<c00135f0>] (dump_backtrace) from [<c0013948>] > (show_stack+0x20/0x24) > [ 18.005609] r6:c0883d40 r5:ffffffff r4:00000000 r3:dc8cb100 > [ 18.011369] [<c0013928>] (show_stack) from [<c06a2ac0>] > (dump_stack+0x78/0xc4) > [ 18.018683] [<c06a2a48>] (dump_stack) from [<c002c0a4>] > (warn_slowpath_common+0x88/0xc4) > [ 18.026845] r5:00000445 r4:e5205c80 > [ 18.030479] [<c002c01c>] (warn_slowpath_common) from [<c002c19c>] > (warn_slowpath_fmt+0x40/0x48) > [ 18.039231] r8:00000000 r7:00000000 r6:00000022 r5:c0af9e18 r4:00000000 > [ 18.046066] [<c002c160>] (warn_slowpath_fmt) from [<c038dc30>] > (check_unmap+0x858/0xa10) > [ 18.054216] r3:c089bb90 r2:c0884270 > [ 18.057846] [<c038d3d8>] (check_unmap) from [<c038e0c4>] > (debug_dma_unmap_page+0x80/0x88) > [ 18.066087] r10:e38890c0 r9:00000000 r8:00000001 r7:00000001 > r6:e53f8850 r5:00000000 > [ 18.074069] r4:00000022 > [ 18.076647] [<c038e044>] (debug_dma_unmap_page) from [<c045e368>] > (fec_enet_rx_napi+0x7c0/0xb94) > [ 18.085494] r8:00001400 r7:e795c780 r6:e389a0c0 r5:00000000 r4:00000000 > [ 18.092349] [<c045dba8>] (fec_enet_rx_napi) from [<c053f14c>] > (net_rx_action+0x130/0x568) > [ 18.100537] r10:c0aefa80 r9:ffff91be r8:e5205e48 r7:00000040 > r6:0000012c r5:00000001 > [ 18.108537] r4:e38897b0 > [ 18.111113] [<c053f01c>] (net_rx_action) from [<c0030768>] > (__do_softirq+0x11c/0x794) > [ 18.118999] r10:00000100 r9:c0053c58 r8:00000004 r7:c0b5ddac > r6:00000008 r5:c0af208c > [ 18.127008] r4:00000003 > [ 18.129573] [<c003064c>] (__do_softirq) from [<c0030e20>] > (run_ksoftirqd+0x40/0x6c) > [ 18.137291] r10:00000000 r9:c0053c58 r8:c0b017cc r7:00000000 > r6:0000103c r5:e5157a00 > [ 18.145298] r4:00000001 > [ 18.147878] [<c0030de0>] (run_ksoftirqd) from [<c0053de4>] > (smpboot_thread_fn+0x1b0/0x354) > [ 18.156208] [<c0053c34>] (smpboot_thread_fn) from [<c004f114>] > (kthread+0x104/0x128) > [ 18.164011] r10:00000000 r9:00000000 r8:00000000 r7:c0053c34 > r6:e5157a00 r5:00000000 > [ 18.172006] r4:e5157800 r3:00000005 > [ 18.175651] [<c004f010>] (kthread) from [<c000fc08>] > (ret_from_fork+0x14/0x2c) > [ 18.182937] r7:00000000 r6:00000000 r5:c004f010 r4:e5157800 > [ 18.188680] ---[ end trace dcf0152c9771f20a ]--- > > -- > Christian Gmeiner, MSc > > https://soundcloud.com/christian-gmeiner > -- > To unsubscribe from this list: send the line "unsubscribe netdev" in > the body of a message to majord...@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/