Re: riscv64/JH7110: repeatable kernel memory corruption; kmem page handed out again as a tmpfs data page

[Nick Hudson <nick.hudson%gmx.co.uk@localhost>]

On 25/07/2026 17:06, Nick Hudson wrote:
> On 24/07/2026 19:35, Alex Jokela wrote:

[...]

>> Second, under pagedaemon activity on the -current daily:
>>     panic: kernel diagnostic assertion "pm == l->l_proc->p_vmspace->vm_map.pmap" failed: file "/usr/src/sys/uvm/pmap/pmap_segtab.c", line 948 pm 0xffffffe050bd92c0 vs 0xffffffc000a2c768
>>     pmap_update() at netbsd:pmap_update+0x50
>>     pmap_clear_attribute() at netbsd:pmap_clear_attribute+0xd8
>>     uvmpdpol_balancequeue() at netbsd:uvmpdpol_balancequeue+0x13a
>>     uvm_pageout() at netbsd:uvm_pageout+0x43a
> This might be its own bug (as mentioned below). I will check.

I fixed this with

https://mail-index.netbsd.org/source-changes/2026/07/29/msg163381.html