re: how do I preset ddb's LINES to zero

2023-12-16 Thread matthew green
> > try "options DB_MAX_LINE=0" in your kernel? > > Right. Unfortunately that fails the "without having to rebuild the > kernel" requirement :-) another option would be to use say, gdb :-), to change the value of the "db_max_line" variable from default of 24 to 0, and then boot that modified

Re: how do I preset ddb's LINES to zero

2023-12-16 Thread Andrew Cagney
On Fri, 15 Dec 2023 at 22:59, matthew green wrote: > > Andrew Cagney writes: > > > > thanks, I'll add that (it won't help with my immediate problem of a > > > > panic during boot though) > > > > > > From DDB command prompt "set $lines = 0" ... > > > > Um, the test framework's VM is stuck waiting

Re: VirtIO MMIO for amd64

2023-12-16 Thread Emile 'iMil' Heitor
On 2/23/22 20:26, el16095 wrote: Firecracker informs VMs about MMIO devices by appending to the boot command line a string like this "virtio_mmio.device=4K@0xd000:5" ([virtio_mmio.]device=@:). So, from what I understand I'd need to write glue code that takes this information and uses