Andreas Hartmann wrote: > On Fri, 08 Jun 2012 11:35:07 -0600 > Alex Williamson <alex.williamson@xxxxxxxxxx> wrote: [...] >> I'm definitely curious if there's anything cumulative about the locked >> memory problem above. Thanks, > > Ok, I managed to get it reproducible. I'll describe step by step, how. > > - setting low memory (64k) > - start VM: > qemu-system-x86_64: vfio_dma_map(0x7fbfcf4fd170, 0x00000000febe0000, 0x10000, 0x7fbfb57b0000) = -12 (Cannot allocate memory) > Jun 9 14:11:33 host kernel: [12001.026007] vfio_dma_do_map: RLIMIT_MEMLOCK (65536) exceeded > - VM is up > - module rt2800pci in VM is loaded fine - no errors can be seen in log. > - but: device doesn't work (no beaconing) > - stop hostapd > - unload wlan stack (hardware + nl80211) > - reload wlan stack > - start hostapd > Jun 9 14:16:17 vm kernel: [ 286.088795] phy0 -> rt2x00lib_request_firmware: Info - Loading firmware file 'rt2860.bin'. > Jun 9 14:16:17 vm kernel: [ 286.090251] phy0 -> rt2x00lib_request_firmware: Info - Firmware detected - version: 0.34. > Jun 9 14:16:18 vm kernel: [ 287.194351] phy0 -> rt2800_wait_wpdma_ready: Error - WPDMA TX/RX busy [0x0000006a]. > Jun 9 14:16:19 vm kernel: [ 288.294350] phy0 -> rt2800_wait_wpdma_ready: Error - WPDMA TX/RX busy [0x0000006a]. > Jun 9 14:16:19 vm kernel: [ 288.294358] phy0 -> rt2800pci_set_device_state: Error - Device failed to enter state 4 (-5). > - shutdown VM (virsh shutdown VM) > > > - set memory to 512M > - start VM (no RLIMIT_MEMLOCK error) > - VM is up > - module rt2800pci doesn't load correctly: > Jun 9 14:24:27 vm kernel: [ 8.544858] phy0 -> rt2x00lib_request_firmware: Info - Loading firmware file 'rt2860.bin'. > Jun 9 14:24:27 vm kernel: [ 8.547870] phy0 -> rt2x00lib_request_firmware: Info - Firmware detected - version: 0.34. > Jun 9 14:24:28 vm kernel: [ 9.652364] phy0 -> rt2800_wait_wpdma_ready: Error - WPDMA TX/RX busy [0x0000006a]. > Jun 9 14:24:29 vm kernel: [ 10.752363] phy0 -> rt2800_wait_wpdma_ready: Error - WPDMA TX/RX busy [0x0000006a]. > Jun 9 14:24:29 vm kernel: [ 10.752371] phy0 -> rt2800pci_set_device_state: Error - Device failed to enter state 4 (-5). > > > I didn't manage to remove this error but with rebooting. > I tried w/ or w/o including the bridge to the bind procedure. I even > tried to get it working again by loading the module on the host. Could > it be probably a issue of rt2800pci? Update: it can be reseted by s2ram/resume cycle, too. Regards, Andreas -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
