Date: Thu, 17 Jan 2008 01:05:17 -1000 From: Parv <parv@pair.com> To: Vivek Khera <vivek@khera.org> Cc: FreeBSD Stable List <freebsd-stable@freebsd.org> Subject: PCI MSI (was Re: What current Dell Systems are supported/work) Message-ID: <20080117110517.GA3128@holstein.holy.cow> In-Reply-To: <70AABDAF-1925-4DBE-88A2-976CFBC55C5E@khera.org> References: <DB4DDB04-1ADE-4C36-A846-BB6B7C12EB1B@patmedia.net> <4785616A.4070001@delphij.net> <200801101109.38294.jhb@freebsd.org> <70AABDAF-1925-4DBE-88A2-976CFBC55C5E@khera.org>
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in message <70AABDAF-1925-4DBE-88A2-976CFBC55C5E@khera.org>, wrote Vivek Khera thusly... > > > On Jan 10, 2008, at 11:09 AM, John Baldwin wrote: > >>> *: This is the default behavior for 7.0, I have not encountered >>> the problem mentioned above on any 1950/2950 boxes so far I have >>> tested. >> >> I will enable MSI by default on 6.x now (so will take affect for >> 6.4). We've also enabled it by default on 6.x at work. >> > > Where can one go to read up on what MSI is and how it helps us? > > Is enabling it just setting a sysctl? Does that have to be done > in loader.conf or can it happen later? Speaking of MSI being on by default in recent 6-STABLE ... well, that caused my ThinkPad T61 (8859-CTO) ... dmesg: http://www103.pair.com/parv/comp/unix/freebsd/thinkpad-t61-8859-cto/sys/dmesg kernel (combined for easy perusal): http://www103.pair.com/parv/comp/unix/freebsd/thinkpad-t61-8859-cto/cf/kern/combined/T61-SMP.debug--combined /boot/device.hints: http://www103.pair.com/parv/comp/unix/freebsd/thinkpad-t61-8859-cto/cf/boot/device.hints ... to go in panic[0]. So, for now I have added ... # Since MSI turned on by default on 2008.01.10.21.17.12 UTC, # causes panic so disable MSI. hw.pci.enable_msix=0 hw.pci.enable_msi=0 ... to /boot/loader.conf. [0] I could not save the dump for neither do I have access to serial console, nor could the file system be mounted. Missing also here is a digital camera. If anybody is interested, I could write screen down, and repeat to them. - Parv --
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