Re: kern/53788: vt switching panic

[mlelstv%serpens.de@localhost (Michael van Elst)]

The following reply was made to PR kern/53788; it has been noted by GNATS.

From: mlelstv%serpens.de@localhost (Michael van Elst)
To: gnats-bugs%netbsd.org@localhost
Cc: 
Subject: Re: kern/53788: vt switching panic
Date: Sat, 15 Dec 2018 18:20:37 -0000 (UTC)

 christos%zoulas.com@localhost (Christos Zoulas) writes:
 
 >So why don't we use a linked list of sync cookies to free or kmem_intr_alloc/
 >kmem_intr_free. This will always panic with DIAGNOSTIC when there is a timeout.
 
 We can probably just replace the allocations with kmem_intr_alloc and
 kmem_intr_free.
 
 Or we could defer the switch operations to a process context, e.g. a workqueue.
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                                 Michael van Elst
 Internet: mlelstv%serpens.de@localhost
                                 "A potential Snark may lurk in every tree."