------------[ cut here ]------------ WARNING: CPU: 2 PID: 1065 at lib/dma-debug.c:593 debug_dma_assert_idle+0x159/0x1d0() ohci-pci 0000:00:04.0: DMA-API: cpu touching an active dma mapped cacheline [cln=0x03004180] CPU: 2 PID: 1065 Comm: tumblerd Not tainted 3.17.0-0.rc5.git1.1.fc22.i686 #1 Call Trace: [<c0b1bdb6>] dump_stack+0x48/0x60 [<c04591e2>] warn_slowpath_common+0x82/0xa0 [<c076dad9>] ? debug_dma_assert_idle+0x159/0x1d0 [<c076dad9>] ? debug_dma_assert_idle+0x159/0x1d0 [<c045923e>] warn_slowpath_fmt+0x3e/0x60 [<c076dad9>] debug_dma_assert_idle+0x159/0x1d0 [<c059a909>] ? anon_vma_prepare+0x29/0x140 [<c058f594>] do_wp_page+0xe4/0x8c0 [<c0591792>] handle_mm_fault+0x662/0xba0 [<c0447398>] __do_page_fault+0x208/0x5d0 [<c058053b>] ? vm_mmap_pgoff+0x9b/0xc0 [<c0595178>] ? SyS_mmap_pgoff+0xe8/0x220 [<c04a8e1c>] ? trace_hardirqs_on_caller+0x13c/0x1e0 [<c0447760>] ? __do_page_fault+0x5d0/0x5d0 [<c044777a>] do_page_fault+0x1a/0x20 [<c0b258b4>] error_code+0x6c/0x74 ---[ end trace ce8b30fb8a3415c9 ]--- Mapped at: [<c076bb82>] debug_dma_alloc_coherent+0x22/0x70 [<c09050dc>] ohci_init+0x22c/0x450 [<c0905359>] ohci_setup+0x59/0x60 [<c09064cf>] ohci_pci_reset+0x4f/0x60 [<c08dd8aa>] usb_add_hcd+0x29a/0x8c0 $ lsusb -s 004: Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub poma _______________________________________________ kernel mailing list kernel@xxxxxxxxxxxxxxxxxxxxxxx https://admin.fedoraproject.org/mailman/listinfo/kernel
