Messages in this thread | | | From | YhLu <> | Subject | RE: Tyan Opteron boards and problems with parallel ports | Date | Wed, 25 May 2005 10:15:11 -0700 |
| |
Don't always blame BIOS, if you like you could use LinuxBIOS instead....
YH
> -----Original Message----- > From: Andi Kleen [mailto:ak@muc.de] > Sent: Wednesday, May 25, 2005 9:50 AM > To: Linus Torvalds > Cc: linux-kernel@vger.kernel.org; Tech Support; > support@tyan.de; Andrew Morton; gl@fenedex.nl; > land@hetlageland.nl; hans@sww.nl; sww@sww.nl > Subject: Re: Tyan Opteron boards and problems with parallel ports > > Linus Torvalds <torvalds@osdl.org> writes: > > > On Fri, 20 May 2005, Robert M. Stockmann wrote: > >> > >> All problems of Tyan Opteron based machines silently locking up > >> during installation and/or during normal operation of > running Linux, > >> both 32bit and 64bit, without any display of kernel panic of any > >> other logging method, seem to be solved when switching off the > >> Parallel Port inside its BIOS. > > The common Tyan problem case is when the machine has more > than 3GB of RAM and "memory remapping" is enabled to recover > the memory below the PCI memory hole. SOmething in that setup > leads to problems and random memory corruption. I suspect a > BIOS bug here. > > Workaround is to not enable that option in the BIOS setup. > > Then another older Tyan board (it might have been the K8W) > was *extremly* picky in what DIMMs it accepted and in what > slots because someone apparently didnt follow the AMD > specification for the memory controller trace lines fully. > That also caused common problems. > > > > Can you do an install with the thing turned off, and then > > - compile the kernel with CONFIG_PCI_DEBUG > > - boot with the parallel port enabled, and send as much of > the bootup > > output (and /proc/iomem and /proc/ioport) as possible > > - boot with the parallel port disabled, and send the same > output for that > > working case. > > > > I have no clue why the parallel port should matter, but it could > > change some resource allocation issues. > > It is the first time I heard about such a issue so it cannot > be too wide spread anyways. > > -Andi > - > To unsubscribe from this list: send the line "unsubscribe > linux-kernel" in the body of a message to > majordomo@vger.kernel.org More majordomo info at > http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/ > - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |