Hi Aaro, On 1/3/20 10:17 AM, Aaro Koskinen wrote: > Hi, > > When booting v5.4 (or v5.5-rc4) on N900, the console gets flooded with: > > [ 8.335754] omap2-onenand 1000000.onenand: timeout waiting for DMA > [ 8.365753] omap2-onenand 1000000.onenand: timeout waiting for DMA > [ 8.395751] omap2-onenand 1000000.onenand: timeout waiting for DMA > [ 8.425750] omap2-onenand 1000000.onenand: timeout waiting for DMA > [ 8.455749] omap2-onenand 1000000.onenand: timeout waiting for DMA > [ 8.485748] omap2-onenand 1000000.onenand: timeout waiting for DMA > [ 8.515777] omap2-onenand 1000000.onenand: timeout waiting for DMA > [ 8.545776] omap2-onenand 1000000.onenand: timeout waiting for DMA > [ 8.575775] omap2-onenand 1000000.onenand: timeout waiting for DMA > > making the system unusable. > > Bisected to: > > 4689d35c765c696bdf0535486a990038b242a26b is the first bad commit > commit 4689d35c765c696bdf0535486a990038b242a26b > Author: Peter Ujfalusi <peter.ujfalusi@xxxxxx> > Date: Tue Jul 16 11:24:59 2019 +0300 > > dmaengine: ti: omap-dma: Improved memcpy polling support > > The commit does not revert cleanly anymore. Any ideas how to fix this? I certainly tested the memcpy via dmatest in polled and non polled mode.. I can take a look on Tuesday earliest, but sent a patch (untested) which should fix the issue: https://lore.kernel.org/lkml/20200104073453.16077-1-peter.ujfalusi@xxxxxx/ > > A. > - Peter Texas Instruments Finland Oy, Porkkalankatu 22, 00180 Helsinki. Y-tunnus/Business ID: 0615521-4. Kotipaikka/Domicile: Helsinki
