Date: Thu, 11 Aug 2005 10:05:48 -0700 From: Nate Lawson <nate@root.org> To: John Baldwin <jhb@FreeBSD.org> Cc: acpi@FreeBSD.org, freebsd-current@FreeBSD.org, Khetan Gajjar <khetan@os.org.za> Subject: Re: ACPI issue in 7-current ? Message-ID: <42FB856C.1000205@root.org> In-Reply-To: <200508111026.02924.jhb@FreeBSD.org> References: <20050810173347.I30058@gauntlet.os.org.za> <200508111026.02924.jhb@FreeBSD.org>
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John Baldwin wrote: > On Wednesday 10 August 2005 11:41 am, Khetan Gajjar wrote: > >>Hi. >> >>I've been running a 6-current box which I upgraded recently to 7. >>At the same time, I disabled WITNESS and INVARIANTS in the kernel. >>I've noticed the machine doing some very weird things ever since. > > > Looks like the locking in acpi_tz is rather busted as it has tried to hold a > mutex across kthread_create() which is not ok. That is where the LOR's come > from at least. I'm not sure if that is the cause of your other problems > though. > > >>acpi_tz0: <Thermal Zone> on acpi0 >>malloc(M_WAITOK) of "PROC", forcing M_NOWAIT with the following >>non-sleepable lo cks held: >>exclusive sleep mutex ACPI thermal zone r = 0 (0xc0859d20) locked @ Too late, it was introduced by the passive cooling commit and fixed a while ago by ume@. -- Nate
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