Date: Wed, 28 Nov 2007 08:42:08 -0500 From: John Baldwin <jhb@freebsd.org> To: =?iso-8859-1?q?S=F8ren_Schmidt?= <sos@deepcore.dk> Cc: Barney Cordoba <barney_cordoba@yahoo.com>, freebsd-current@freebsd.org Subject: Re: Any successful installs on a Broadcom HT1000 chipset? Message-ID: <200711280842.09340.jhb@freebsd.org> In-Reply-To: <474D1C8C.2060304@deepcore.dk> References: <73807.10710.qm@web63912.mail.re1.yahoo.com> <200711271639.09601.jhb@freebsd.org> <474D1C8C.2060304@deepcore.dk>
index | next in thread | previous in thread | raw e-mail
On Wednesday 28 November 2007 02:45:16 am Søren Schmidt wrote: > John Baldwin wrote: > > > > FYI, I've seen weird in-memory corruption with machines with the HT1000_S1 > > atapci device. In all the cases I've seen so far, a single page is corrupted > > with garbage and the page happens to be used by UMA to hold credentials > > including proc0's credentials. I've seen this corruption (trashed creds for > > proc0 and other creds in that page) on many of the same boxes (Dell 1435's > > IIRC) running on 6.2. I've tried switching the HT1000_S1 to use SWKSMIO > > rather SWKS100 as I mentioned to you in an earlier e-mail (the Linux driver > > uses equivalent of SWKSMIO FWIW) but don't have any conclusive tests on that. > > > > > OK, seems the chipset has some real problems, I have digged through all > the (very little) docs and info I got from serverworks back when, and > the only thing I can find is that the chips doesn't support MSI in any > shape or fashion or it will do really strange things. > Now on my system it seems to be disabled but I'm not sure yet how its > determined to be that way. Would be worth for you guys to check what the > sysctl's "hw.pci.enable_msi" and "hw.pci.enable_msix" are set to. > I havn't looked into this yet, but I'm pretty sure we added MSI support > in the 6.2 -> 7.0 timeframe, so that might have uncovered this chipset > bug, and possibly the Promise data corruption one as well. The ata driver doesn't use MSI (no calls to pci_msi_count or pci_msi_alloc, etc.), so this isn't an issue. Also, the boxes I've seen the corruption on already have MSI disabled (it's still disabled by default in 6.x). -- John Baldwinhelp
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?200711280842.09340.jhb>