On Thu, Apr 05, Valerie Henson wrote: > On Tue, Apr 03, 2007 at 11:19:16PM +0200, Olaf Hering wrote: > > From: [EMAIL PROTECTED] > > > > https://bugzilla.novell.com/show_bug.cgi?id=SUSE39204 > > Wow, registering for Novell's bugzilla is painful. And in the end I > get "Access denied" on that bug. Can you give us this information > some other way?
I did not see an easy way to make the bug public other than moving it to the openSuSE category. > > Shutting down the network causes an MCA because of an IO TLB error when > > a DEC quad 10/100 card is in any slot. This problem was originally seen > > on an HP rx4640. > > I'm not clear on why pci_disable_device() would fix this bug. Do you > have an explanation (or can copy one out of the bug report)? I'm > hesitant to make even obviously correct changes to the tulip driver > without good evidence, given the incredible variety of buggy hardware > out there. The comments in the bug do not have an detailed analysis. One of the comments is: ... Comment #1 From Andrew Patterson 2004-04-20 19:47:32 MST [reply] 1. ifdown the interfaces; then ifup them 2. do this in a loop from a script and it generally MCA's within 2 minutes. ... The first version for 2.6.5 contained the pci_disable_device() and a version which was commited to mainline: http://git.kernel.org/?p=linux/kernel/git/torvalds/old-2.6-bkcvs.git;a=commitdiff;h=6379dd571265528f3911b9deafe2a29af2e71a2b Later the patch contained just the pci_disable_device() call. Andrew, does your testscript still fail in SLES10 or mainline? > This looks to me like another iteration of the shutdown DMA/irq race > at first glance. Grant has a patch for it; I'm working on one I > consider cleaner. Thats likely the same issue. http://www.linuxarkivet.se/mlists/linux-net/0409/msg00173.html - To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html
