Re: panic at serial boot
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On Tue, Apr 02, 2013 at 11:06:06PM +0200, mh@kernel32.de wrote:
> Hi again,
>=20
> Am 2013-04-02 21:52, schrieb Konstantin Belousov:
> > On Tue, Apr 02, 2013 at 08:23:20PM +0200, mh@kernel32.de wrote:
> >
> > Try breaking into the debugger and see where it progresses. To do=20
> > this,
> > you would need to boot with the 'boot -d' command from the loader=20
> > prompt,
> > then do 'w kbd_break_to_debugger 1', then ctrl-alt-esc when you want=20
> > to
> > activate the debugger. In the debugger, start with the 'ps' command.
> >
>=20
> After the beastie menu I went to the loader prompt and did "boot -d".
> I was sent to the debugger and did "w kbd_break_to_debugger 1".
>=20
> This is the output I get.
>=20
> INT 13 08: Success, count =3D 1, BPT =3D 0000:0000 =
=20
> GDB: no debug ports present
> KDB: debugger backends: ddbhift limit: 0x82
> KDB: current backend: ddbt15 =3D f000f859 int1e =3D f000ef6d
> KDB: enter: Boot flags requested debuggerint1e =3D f000ef6d
> [ thread pid 0 tid 0 ] booting...
> Stopped at kdb_enter+0x3e: movq $0,kdb_why
> db> w kbd_break_to_debugger 1
> Symbol not found
It is kdb_break_to debugger.
Sorry.
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