2.6.15rc5-git4 Forcedeth unstable on Nforce4

2005-12-15 Thread Andi Kleen
Hallo, When I boot a kernel with iommu=force (this forces all pci_map_sgs through the K8 aperture) and slab debugging on a Nforce4 x86-64 system the network corrupts data very quickly. Even when just sshing somewhere ssh quickly aborts with MAC errors etc. Reverting only forcedeth.c to the one f

Re: 2.6.15rc5-git4 Forcedeth unstable on Nforce4

2005-12-15 Thread John W. Linville
On Thu, Dec 15, 2005 at 04:29:04PM +0100, Andi Kleen wrote: > > Hallo, > > When I boot a kernel with iommu=force (this forces all pci_map_sgs > through the K8 aperture) and slab debugging on a Nforce4 x86-64 > system the network corrupts data very quickly. Even when just > sshing somewhere ssh qu

Re: 2.6.15rc5-git4 Forcedeth unstable on Nforce4

2005-12-15 Thread Andi Kleen
On Thu, Dec 15, 2005 at 11:40:08AM -0500, John W. Linville wrote: > On Thu, Dec 15, 2005 at 04:29:04PM +0100, Andi Kleen wrote: > > > > Hallo, > > > > When I boot a kernel with iommu=force (this forces all pci_map_sgs > > through the K8 aperture) and slab debugging on a Nforce4 x86-64 > > system

Re: 2.6.15rc5-git4 Forcedeth unstable on Nforce4

2005-12-15 Thread John W. Linville
On Thu, Dec 15, 2005 at 05:50:50PM +0100, Andi Kleen wrote: > On Thu, Dec 15, 2005 at 11:40:08AM -0500, John W. Linville wrote: > > On Thu, Dec 15, 2005 at 04:29:04PM +0100, Andi Kleen wrote: > > > > > > Hallo, > > > > > > When I boot a kernel with iommu=force (this forces all pci_map_sgs > > > t

Re: 2.6.15rc5-git4 Forcedeth unstable on Nforce4

2005-12-15 Thread David S. Miller
From: "John W. Linville" <[EMAIL PROTECTED]> Date: Thu, 15 Dec 2005 15:21:37 -0500 > Interesting... FWIW the FC4.netdev.6 kernel seems to be working fine > on (a yet-to-be-released box), which is an x86_64 (AMD) box w/ > forcedeth hardware. The forcedeth.c in the FC4.netdev.6 kernel is > identic

Re: 2.6.15rc5-git4 Forcedeth unstable on Nforce4

2005-12-15 Thread Andi Kleen
On Thu, Dec 15, 2005 at 01:58:41PM -0800, David S. Miller wrote: > From: "John W. Linville" <[EMAIL PROTECTED]> > Date: Thu, 15 Dec 2005 15:21:37 -0500 > > > Interesting... FWIW the FC4.netdev.6 kernel seems to be working fine > > on (a yet-to-be-released box), which is an x86_64 (AMD) box w/ > >

Re: 2.6.15rc5-git4 Forcedeth unstable on Nforce4

2005-12-16 Thread John W. Linville
On Thu, Dec 15, 2005 at 01:58:41PM -0800, David S. Miller wrote: > From: "John W. Linville" <[EMAIL PROTECTED]> > Date: Thu, 15 Dec 2005 15:21:37 -0500 > > > Interesting... FWIW the FC4.netdev.6 kernel seems to be working fine > > on (a yet-to-be-released box), which is an x86_64 (AMD) box w/ > >

Re: 2.6.15rc5-git4 Forcedeth unstable on Nforce4

2005-12-17 Thread Manfred Spraul
John W. Linville wrote: I am now... :-) But, I still don't seem to see any problem. Are there specific tests I should run? There are multiple nforce versions - which one do you use? For example only the most recent one supports 64-bit dma, perhaps something with the 64-bit code is broken

Re: 2.6.15rc5-git4 Forcedeth unstable on Nforce4

2005-12-22 Thread Manfred Spraul
John W. Linville wrote: I am now... :-) But, I still don't seem to see any problem. Are there specific tests I should run? It crashes for me, too: - nForce 3-250 Gb, in 100 mbit mode - slab debugging on - iommu debug and iommu leak enabled - x86-64 - tx works. - rx crashes. Test case: "p

Re: 2.6.15rc5-git4 Forcedeth unstable on Nforce4 - update III

2005-12-15 Thread Andi Kleen
Some more testing shows that even the 2.6.14 driver eventually causes slab debugging BUGs() like --- [cut here ] - [please bite here ] - Kernel BUG at /home/andi/lsrc/linux-2.6.15rc5-git4/mm/slab.c:2307 invalid operand: [1] PREEMPT SMP CPU 3 Modules linked in: Pid:

Re: 2.6.15rc5-git4 Forcedeth unstable on Nforce4 - update III

2005-12-16 Thread John W. Linville
On Fri, Dec 16, 2005 at 04:47:54AM +0100, Andi Kleen wrote: > > Some more testing shows that even the 2.6.14 driver eventually > causes slab debugging BUGs() like > > --- [cut here ] - [please bite here ] - > Kernel BUG at /home/andi/lsrc/linux-2.6.15rc5-git4/mm/slab.c:23