On Sunday, 20 August 2017 10:39:51 BST Bill Kenworthy wrote: > On 20/08/17 17:21, Alan McKinnon wrote: > > On 20/08/2017 05:47, Bill Kenworthy wrote: > >> Hi all, > >> > >> I am getting random lockups on kernel 4.12.5. > >> > >> Three intel hosts (atom, early i7, i7 haswell) - its worse after a > >> suspend resume session. Because these are in use Ive gone back to > >> 4.9.34 which is stable. > >> > >> I also have some VM's and an MS surface pro 4 which are stable on > >> 4.12.5, 6 and 8) - confusing! > >> > >> Is anyone else seeing this? > >> > >> BillK > > > > Neil's reply elsewhere to Ralph may have the smoking gun clue. > > > > I'm seeing changes in 4.12 too and haven't bothered looking further as > > 4.11 still works for me. My external monitors and USB keyboard & mouse > > on laptops stopped working with 4.12 and other silliness which I forget. > > > > My techie spidey-sense is telling me it all smells a lot like someone > > tidied up .config and things moved around, so make oldconfig got confused. > > Not to mention changing the bcache device numbering - instead of > /dev/bacache0, /dev/bcache1 etc. its become /dev/bcache0, /dev/bcache16, > /dev/bcache32, ... (offset of 16) > > That bit me too ... > > BillK
When running make oldconfig, which I prefer because it asks me to confirm settings for all new modules, Alan should make sure CONFIG_USB=y is set so. >From what I recall the oldconfig default setting is 'not set', so user input is required. Unfortunately, I have no idea why Bill's hard lockups occur. -- Regards, Mick
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