Re: [mm/vmalloc] 5c1f4e690e: BUG:sleeping_function_called_from_invalid_context_at_mm/page_alloc.c

[Matthew Wilcox]

On Tue, Jul 13, 2021 at 11:19:29AM -0700, Linus Torvalds wrote:
> Does anybody see what the problem is there?
> 
> There's an odd report _after_ the warning:
> 
> [  131.345319] raw_local_irq_restore() called with IRQs enabled
> [  131.366561] RIP: 0010:warn_bogus_irq_restore+0x1d/0x20
> [  131.433334]  __alloc_pages_bulk+0xbb8/0xf20

That's the key -- __alloc_pages_bulk has interrupts disabled and then
page_owner allocates memory for the stack dump.  Mel has a fix; I think
we're just waiting for it to hit your tree.