Hi, On Fri, Jan 03, 2020 at 09:46:58AM +0100, H. Nikolaus Schaller wrote: > > Am 03.01.2020 um 09:17 schrieb Aaro Koskinen <aaro.koskinen@xxxxxx>: > > 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. > > I can confirm that this issue exists but so far we failed to bisect > and make a proper report. > > Sometimes the system boots fine and sometimes it fails. > > It happens on omap3-gta04a5one.dts only, but not with omap3-gta04a4.dts > (both dm3730 but different NAND). I tried three different boards (N810, N900 and N950) and it always fails reliably. A.