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From: | Paolo Bonzini |
Subject: | Re: [Qemu-devel] Question about hcd-ohci and address_space_translate |
Date: | Fri, 30 May 2014 12:24:59 +0200 |
User-agent: | Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.5.0 |
Il 30/05/2014 00:33, BALATON Zoltan ha scritto:
usb-ohci: pci-ohci: USB Operational Unassigned mem read 0000000007c9ae00 Unassigned mem read 0000000007c9ae04 [...] Unassigned mem read 0000000007c9ae84 usb-ohci: HCCA read error at 7c9ae00 ohci_die: DMA error The read happens through ohci_read_hcca which eventually calls phys_page_find that returns §ions[PHYS_SECTION_UNASSIGNED] here:
Are you setting the bus master enable bit in the command register? Paolo
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