Date: Mon, 29 Oct 2007 00:04:00 -0700 (PDT) From: Brian Behlendorf <brian@hyperreal.org> To: stable@freebsd.org Subject: Re: MFC requests for 6.3 Message-ID: <20071028235824.M54656@taz3> In-Reply-To: <C745421686472A10BBEED310@[10.255.253.2]> References: <200710282222.QAA01991@lariat.net> <20071028152700.T98576@taz3> <C745421686472A10BBEED310@[10.255.253.2]>
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On Mon, 29 Oct 2007, Goran Lowkrantz wrote: >> On Sun, 28 Oct 2007, Brett Glass wrote: >>> I would like to request that some useful work on networking be MFCed from >>> -CURRENT to -STABLE in time for the release of FreeBSD 6.3. >> >> The thing that's worried me, following only stable@freebsd.org traffic, >> were the reports about the new em driver (6.6.6?) causing hangs and other >> problems with people who have been updating RELENG_6 - have those who had >> those problems seen their issues resolved? I've got remote boxes using >> em that I can't risk making inaccessible and can't test locally. > > All my problems with watchdog timeouts and em 6.6.6 occurred when em shared > interrupt with USB but I don't know if it's MB, em or usb that's the problem. > Removing USB from the kernel or switching to polling and the driver works > just fine. > > The fact that one of my test machines didn't have any problems was because it > had no USB in it's kernel. I had removed USB as I had problems with watchdog > timeouts with the bge driver when I first upgraded to the D915GAV MB ages > ago. The bge also shared interrupt with USB. Thanks. /var/run/dmesg.boot says my em0 and em1 don't share an IRQ with USB or anyone else, so sounds like I'm in the clear, yay. But it still seems like something the vendor (Intel?) should be looking into before a another release on RELENG_6 is cut - even if USB is the culprit, it sounded like the problems started for em users when the driver was updated from 6.2.9 to 6.6.6. Brian
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