Greg KH writes:
> On Thu, Oct 30, 2003 at 07:45:08PM -0500, David Dodge wrote:
[...]
> > Mainly I'm asking because I did try putting a hotplug script into an
> > initramfs a few weeks ago (using -test7), and it didn't appear to be
> > invoked for e.g. the VESA framebuffer. So I want to make sure this is a
> > "future" capability and not something that should have worked :-)
>
> This is something that should have worked for you today, /sbin/hotplug
> does get called during early boot, before init is started up.
Okay, I'll keep working at it. Unfortunately my main test system has
since had a major hardware failure and I haven't gotten a replacement
set up yet.
In the meantime, from a quick look at the kernel code I see this:
- invocations of /sbin/hotplug normally go through call_usermodehelper.
- kernel/kmod.c: call_usermodehelper does this prior to scheduling
any work:
if (!system_running)
return -EBUSY;
- init/main.c: system_running is not set non-zero until just
prior to starting init.
So it looks like calls to hotplug are dropped while compiled-in
drivers are initializing. Or am I missing something obvious? I
needed a one-line patch to be able to boot into initramfs; do I need
another to enable call_usermodehelper earlier?
-
To unsubscribe from this list: send the line "unsubscribe linux-raid" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
