Re: [PATCH v6 35/42] nvme: handle dma errors

2020-03-30 Thread Klaus Birkelund Jensen
On Mar 25 12:58, Maxim Levitsky wrote: > On Mon, 2020-03-16 at 07:29 -0700, Klaus Jensen wrote: > > From: Klaus Jensen > > > > Handling DMA errors gracefully is required for the device to pass the > > block/011 test ("disable PCI device while doing I/O") in the blktests > > suite. > > > > With t

Re: [PATCH v6 35/42] nvme: handle dma errors

2020-03-25 Thread Maxim Levitsky
On Mon, 2020-03-16 at 07:29 -0700, Klaus Jensen wrote: > From: Klaus Jensen > > Handling DMA errors gracefully is required for the device to pass the > block/011 test ("disable PCI device while doing I/O") in the blktests > suite. > > With this patch the device passes the test by retrying "criti

[PATCH v6 35/42] nvme: handle dma errors

2020-03-16 Thread Klaus Jensen
From: Klaus Jensen Handling DMA errors gracefully is required for the device to pass the block/011 test ("disable PCI device while doing I/O") in the blktests suite. With this patch the device passes the test by retrying "critical" transfers (posting of completion entries and processing of submi