> -----Original Message----- > From: Sitsofe Wheeler [mailto:sitsofe@xxxxxxxxx] > Sent: Friday, August 29, 2014 2:32 AM > To: Dexuan Cui > Cc: KY Srinivasan; Greg Kroah-Hartman; Haiyang Zhang; > devel@xxxxxxxxxxxxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx; > netdev@xxxxxxxxxxxxxxx; David Miller; Daniel Borkmann > Subject: [hyperv] BUG: unable to handle kernel paging request at > ffff8801f5bc7cbb (netvsc_select_queue) > > While booting a 10 vcpu system with a post v3.17-rc2 kernel with the > "Drivers: hv: vmbus: Eliminate calls to BUG_ON()", "Drivers: hv: vmbus: > Miscellaneous cleanup" patches and debugging/verification config options on > I'm seeing the following: Sitsofe, Could you please try the following patch: >From c8a6a5570f9a7f8b9a2b47f165848e5533091e79 Mon Sep 17 00:00:00 2001 From: K. Y. Srinivasan <kys@xxxxxxxxxxxxx> Date: Fri, 29 Aug 2014 11:18:18 -0700 Subject: [PATCH 1/1] Drivers: net: hyperv: Cleanup netvsc_change_mtu () Signed-off-by: K. Y. Srinivasan <kys@xxxxxxxxxxxxx> --- drivers/net/hyperv/netvsc_drv.c | 5 ++++- 1 files changed, 4 insertions(+), 1 deletions(-) diff --git a/drivers/net/hyperv/netvsc_drv.c b/drivers/net/hyperv/netvsc_drv.c index a9c5eaa..485f5b7 100644 --- a/drivers/net/hyperv/netvsc_drv.c +++ b/drivers/net/hyperv/netvsc_drv.c @@ -696,6 +696,7 @@ static int netvsc_change_mtu(struct net_device *ndev, int mtu) struct netvsc_device *nvdev = hv_get_drvdata(hdev); struct netvsc_device_info device_info; int limit = ETH_DATA_LEN; + int ret; if (nvdev == NULL || nvdev->destroy) return -ENODEV; @@ -716,7 +717,9 @@ static int netvsc_change_mtu(struct net_device *ndev, int mtu) ndevctx->device_ctx = hdev; hv_set_drvdata(hdev, ndev); device_info.ring_size = ring_size; - rndis_filter_device_add(hdev, &device_info); + ret = rndis_filter_device_add(hdev, &device_info); + if (ret) + return ret; netif_tx_wake_all_queues(ndev); return 0; -- 1.7.4.1 _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel
