RE: WARNING in dma_map_page_attrs

2020-10-30 Thread Parav Pandit
> From: h...@lst.de > Sent: Wednesday, October 28, 2020 11:01 PM > > On Tue, Oct 27, 2020 at 12:52:30PM +, Parav Pandit wrote: > > > > > From: h...@lst.de > > > Sent: Tuesday, October 27, 2020 1:41 PM > > > > > > On Mon, Oct 26, 2020 at 05:23:48AM +, Parav Pandit wrote: > > > > Hi Chr

Re: WARNING in dma_map_page_attrs

2020-10-28 Thread h...@lst.de
On Tue, Oct 27, 2020 at 12:52:30PM +, Parav Pandit wrote: > > > From: h...@lst.de > > Sent: Tuesday, October 27, 2020 1:41 PM > > > > On Mon, Oct 26, 2020 at 05:23:48AM +, Parav Pandit wrote: > > > Hi Christoph, > > > > > > > From: Jakub Kicinski > > > > Sent: Saturday, October 24, 2020

RE: WARNING in dma_map_page_attrs

2020-10-27 Thread Parav Pandit
> From: h...@lst.de > Sent: Tuesday, October 27, 2020 1:41 PM > > On Mon, Oct 26, 2020 at 05:23:48AM +, Parav Pandit wrote: > > Hi Christoph, > > > > > From: Jakub Kicinski > > > Sent: Saturday, October 24, 2020 11:45 PM > > > > > > CC: rdma, looks like rdma from the stack trace > > > > >

Re: WARNING in dma_map_page_attrs

2020-10-27 Thread h...@lst.de
On Mon, Oct 26, 2020 at 05:23:48AM +, Parav Pandit wrote: > Hi Christoph, > > > From: Jakub Kicinski > > Sent: Saturday, October 24, 2020 11:45 PM > > > > CC: rdma, looks like rdma from the stack trace > > > > On Fri, 23 Oct 2020 20:07:17 -0700 syzbot wrote: > > > syzbot has found a reprodu

RE: WARNING in dma_map_page_attrs

2020-10-25 Thread Parav Pandit
Hi Christoph, > From: Jakub Kicinski > Sent: Saturday, October 24, 2020 11:45 PM > > CC: rdma, looks like rdma from the stack trace > > On Fri, 23 Oct 2020 20:07:17 -0700 syzbot wrote: > > syzbot has found a reproducer for the following issue on: > > > > HEAD commit:3cb12d27 Merge tag 'net-

Re: WARNING in dma_map_page_attrs

2020-10-24 Thread Jakub Kicinski
CC: rdma, looks like rdma from the stack trace On Fri, 23 Oct 2020 20:07:17 -0700 syzbot wrote: > syzbot has found a reproducer for the following issue on: > > HEAD commit:3cb12d27 Merge tag 'net-5.10-rc1' of git://git.kernel.org/.. > git tree: net > console output: https://syzkaller.ap

Re: WARNING in dma_map_page_attrs

2020-10-23 Thread syzbot
syzbot has found a reproducer for the following issue on: HEAD commit:3cb12d27 Merge tag 'net-5.10-rc1' of git://git.kernel.org/.. git tree: net console output: https://syzkaller.appspot.com/x/log.txt?x=1312539050 kernel config: https://syzkaller.appspot.com/x/.config?x=46c6fea3eb82

Re: WARNING in dma_map_page_attrs

2020-10-22 Thread Christoph Hellwig
I don't think the merge commit makes sense here. But what we see here is that dma_map_page is called on the rxe device, without that device having a DMA mask. For now this needs a workaround in rxe, but for 5.11 I'll send a patch to remove dma-virt and just handle this case inside of the rdma cor