Re: [Xen-devel] tg3 NIC driver bug in 3.14.x under Xen [and 3 more messages]

2015-04-17 Thread Prashant Sreedharan
orking at all (especially if used with > > 'swiotlb=force iommu=soft'). > > > > As Prashant Sreedharan explains it: "the driver [tg3] uses > > DEFINE_DMA_UNMAP_ADDR(), dma_unmap_addr_set() to keep a copy of the dma > > "mapping" and dma_unm

Re: [Xen-devel] tg3 NIC driver bug in 3.14.x under Xen [and 3 more messages]

2015-04-16 Thread Prashant Sreedharan
On Thu, 2015-04-16 at 18:15 +0100, Ian Jackson wrote: > Michael Chan writes ("Re: tg3 NIC driver bug in 3.14.x under Xen [and 3 more > messages]"): > > On Thu, 2015-04-16 at 09:24 -0300, casca...@linux.vnet.ibm.com wrote: > > > Yes, this looks like the driver is not syncing the DMA buffers. Unmap

Re: [Xen-devel] tg3 NIC driver bug in 3.14.x under Xen [and 3 more messages]

2015-04-09 Thread Prashant Sreedharan
rop counter is updated at few places in the driver. Please use the attached debug patch and provide the logs >From 777363eb77bddd52b9983c0025fed8b4ec151417 Mon Sep 17 00:00:00 2001 From: Prashant Sreedharan Date: Thu, 9 Apr 2015 10:52:17 -0700 Subject: [stable: 3.14.37]tg3: debug_patch ---

Re: [Xen-devel] tg3 NIC driver bug in 3.14.x under Xen [and 3 more messages]

2015-04-09 Thread Prashant Sreedharan
On Thu, 2015-04-09 at 12:11 +0100, Ian Jackson wrote: > Prashant Sreedharan writes ("Re: tg3 NIC driver bug in 3.14.x under Xen [and > 3 more messages]"): > > On Wed, 2015-04-08 at 14:59 +0100, Ian Jackson wrote: > > > Ian Jackson writes ("Re: tg3 NIC driver bu

Re: [Xen-devel] tg3 NIC driver bug in 3.14.x under Xen [and 3 more messages]

2015-04-08 Thread Prashant Sreedharan
On Wed, 2015-04-08 at 14:59 +0100, Ian Jackson wrote: > Thanks to Konrad, Michael and Prashant for your attention. > > > Prashant Sreedharan writes ("Re: tg3 NIC driver bug in 3.14.x under Xen"): > > Ian, in your previous mail you indicated there are no drops or

Re: [Xen-devel] tg3 NIC driver bug in 3.14.x under Xen

2015-04-08 Thread Prashant Sreedharan
On Tue, 2015-04-07 at 16:21 -0700, Michael Chan wrote: > On Tue, 2015-04-07 at 19:13 +0100, Ian Jackson wrote: > > root@bedbug:~# ethtool -S xenbr0 | grep -v ': 0$' > > no stats available > > root@bedbug:~# > > Please provide ethtool -S on the tg3 device. Ian, in your previous mail you indicated