Date: Tue, 06 Mar 2007 10:06:14 -0800 From: Nate Lawson <nate@root.org> To: Ruslan Ermilov <ru@FreeBSD.org> Cc: cvs-src@FreeBSD.org, Nate Lawson <njl@FreeBSD.org>, src-committers@FreeBSD.org, cvs-all@FreeBSD.org Subject: Re: cvs commit: src/sys/dev/acpica acpi_ec.c Message-ID: <45EDAD96.9060202@root.org> In-Reply-To: <20070306165458.GA24644@rambler-co.ru> References: <200702270014.l1R0EKrp034231@repoman.freebsd.org> <20070306165458.GA24644@rambler-co.ru>
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Ruslan Ermilov wrote: > Hi Nate, > > On Tue, Feb 27, 2007 at 12:14:20AM +0000, Nate Lawson wrote: >> njl 2007-02-27 00:14:20 UTC >> >> FreeBSD src repository >> >> Modified files: >> sys/dev/acpica acpi_ec.c >> Log: >> Rework EC I/O approach. Implement burst mode, including proper handling of >> case where it asynchronously exits burst mode on its own. Handle different >> values of hz in sleep loop. Provide more debugging options to tune EC >> behavior. These tunables/sysctls may be temporary and are not for user >> access if the EC is working properly. Burst mode is now on by default for >> testing and the poll interval has been increased from 100 to 500 us and >> total timeout from 100 to 500 ms. >> >> Hopefully this should be the first step of addressing reports of timeout >> errors during battery or thermal access, especially on HP/Compaq laptops. >> It is reasonably stable and should not cause a loss of functionality or >> performance on systems that were previously working. Testing shows an >> increase of responsiveness by ~75% on one system. >> >> PR: kern/98171 >> >> Revision Changes Path >> 1.69 +206 -109 src/sys/dev/acpica/acpi_ec.c > > I'm having a problem with this commit. My ThinkPad 600X > panics on boot with this change. If I back it out, all > gets back to normal. What information do you need except > from a verbose boot log to track it down? (I can grab a > text from serial console, etc.) panic message and location, for starters. -- Nate
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