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re: port-macppc/54331: macppc MP kernels fail to boot successfully in -current (8.99.49)
The following reply was made to PR port-macppc/54331; it has been noted by GNATS.
From: matthew green <mrg%eterna.com.au@localhost>
To: "David H. Gutteridge" <david%gutteridge.ca@localhost>
Subject: re: port-macppc/54331: macppc MP kernels fail to boot successfully in -current (8.99.49)
Date: Mon, 12 Aug 2019 09:07:32 +1000
> Your patch fixed the remaining issue booting an MP+DEBUG+DIAGNOSTIC+
> LOCKDEBUG kernel built from the netbsd-8 branch. Thanks!
great news. i sent a pullup request. i had actually fixed one
of the two chunks back in march, but both are commited now.
> With this plus macallan@'s earlier patch applied, I don't see any
> remaining issues for netbsd-8, so we've narrowed this PR to what's in
> HEAD/netbsd-9 now.
i will get the above additional fix into netbsd-9.
can you update us with the status of -current/-9? the system
hangs after probing USB still?
if so and if you can drop to DDB, can you inspect the
"config_pending" variable? eg, "x/x config_pending". if it
is zero, that means that some device configuration has called
config_incr() without a matching config_decr(), which makes the
code that allows mountroot and then init to run to wait. this
is normally for eg, boot device probe, but it tends to indicate
that there is a lack of interupts, allowing a device probe to
complete, but really, anything that stops the driver from
getting to its config_decr() moment will do this.
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