On 09/11/2014 08:15 PM, Gerd Hoffmann wrote: > Hi, > >> To be precise, it is kdump. > > Ok, kdump is a different story, radically turn off all DMA is reasonable > in that case, normal driver shutdown might be unreliable after panic and > it also changes system state too much for a useful dump. > > ohci (and probably others too, but without spamming the log) throwing > dma errors then is normal fallout though. kdump kernel should be able > to bring the device back online after such an error, with your patch > applied you can't test that with qemu any more ... > >>> Independant of that we can move the ohci error logging to tracepoints, >>> so ohci emulation is silent by default. >> >> That is the other way to go, yes. > > Lets do it this way please.
Yep, no problem, I'll make a small patch. Another question - I noticed that XHCI migration is broken in quite recent upstream QEMU, smells like memory corruption. Is it just me or just PPC or is it known issue? -- Alexey
