Re: [PATCH] WIP: ioapic support - linux drivers disabled

[Samuel Thibault]

Damien Zammit, le dim. 21 mars 2021 12:05:31 +1100, a ecrit:
> 
> 
> On 21/3/21 11:54 am, Samuel Thibault wrote:
> > Damien Zammit, le dim. 21 mars 2021 11:48:29 +1100, a ecrit:
> >> {cpu0} ../kern/slab.c:1021: kmem_cache_free_to_slab: Assertion `((unsigned 
> >> long)
> >> buf + cache->buf_size) <= vm_page_trunc((unsigned long)slab->addr + 
> >> cache->slab_
> >> size)' failed.Debugger invoked: assertion failure
> > 
> > This looks like an array overrun.
> > Use the trace command to get a backtrace.
> 
> db{0}> trace
> Debugger(c115eec5,c116ee10,0,0,0)+0x13
> Assert(c116ee10,c115f2ac,3fd,c11549ac,0)+0x65
> kmem_cache_free_to_slab(0,f000ff53,f63aaf68,c103d113,c11de980)+0x20b
> kmem_cache_free(c11de980,f000ff53,0,0)+0x3f
> vm_map_copy_discard(f000ff53,0,f63aaf88,c1085b24)+0x33
> free_skbuffs(0,0,0,c104cc70,0)+0x6e

Ok, that's unlikely to be giving the culprit.

Possibly an overrun in some irq-indexed array which should now be made
larger?

Samuel