Exactly, something is changing the memory layout and forcing the error to happen.
I can try duplicate it later, but I think it could be specific for your board configuration. What board/MCU are you using? BR, Alan On 12/22/21, Tim <t...@jti.uk.com.invalid> wrote: > Usb_msc_main.c > > If I add a "return OK" as the first line of main, msconn runs and returns. > > If I put a printf statement before it, I get a crash. > > If I do the same in an example app I've written, it is fine. > > If I put a breakpoint at the printf statement and step over it, into there > it gets to "void exit(int status)", then nxtask_exithook(tcb, status, > false), then group_leave(tcb). > > This is crazy...I just don't get this - surely a built in system app should > not be crashing like this!!! > > > >
