Date: Mon, 8 Apr 2002 19:38:29 +0100 From: Josef Karthauser <joe@tao.org.uk> To: John Baldwin <jhb@FreeBSD.org> Cc: current@freebsd.org, David Wolfskill <david@catwhisker.org> Subject: Re: panic "sleeping without a mutex" in usb_task_thread Message-ID: <20020408183829.GB85649@genius.tao.org.uk> In-Reply-To: <XFMail.20020408133755.jhb@FreeBSD.org> References: <20020408175952.GA83305@genius.tao.org.uk> <XFMail.20020408133755.jhb@FreeBSD.org>
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[-- Attachment #1 --] On Mon, Apr 08, 2002 at 01:37:55PM -0400, John Baldwin wrote: > > On 08-Apr-2002 Josef Karthauser wrote: > > On Mon, Apr 08, 2002 at 12:33:40PM -0400, John Baldwin wrote: > > > >> show witness isn't useful to most people so I would avoid it unless someone > >> explicitly asks for it. The problem here is likely due to the > >> usb_task_thread() not locking Giant when it starts up. > > > > We probably want this: > > Probably unless some USB specific locks are added instead, but this is the > easier fix for the time being. > Cool. I've committed this; where should I look to get a low down on what to lock, when and how? Is there anything other than source to refer to? Joe [-- Attachment #2 --] -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.0.6 (FreeBSD) Comment: For info see http://www.gnupg.org iEYEARECAAYFAjyx46UACgkQXVIcjOaxUBZAqQCg1oToZIx39FaVjneiNDZo2dOr ZYEAmgIXJx37w3dhK+MNObBxNrnFdeVn =ftAp -----END PGP SIGNATURE-----help
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