Re: PROBLEM: tg3 spitting out uninitialized memory

Andi Kleen wrote: > tg3s never use the IOMMU on AMD systems with production kernels > because they have a suitably large DMA mask. IOMMU is only used > there to remap memory that doesn't fit a device's DMA mask. > There is a debugging mode to force iommu always, but it is not used > unless you co

Re: PROBLEM: tg3 spitting out uninitialized memory

> That's right. See the discussion on a similar problem here: > > 59644&admit=-682735245+1158251313899+28353475> That's an AMD machine. > > In this other case, the symptoms were very similar to yours. > I suspected it w

Re: PROBLEM: tg3 spitting out uninitialized memory

Jamie webb wrote: > > Well, so far so good. I'll let you know if it happens again, but it > looks like that's fixed it. > > Further testing showed that I also had to disable rx checksumming, > otherwise I was getting random kernel crashes. Presumably it was not > only reading data from random

Re: PROBLEM: tg3 spitting out uninitialized memory

Michael Chan wrote: On Thu, 2007-04-12 at 16:50 +0200, Andi Kleen wrote: Jamie webb <[EMAIL PROTECTED]> writes: Hi there I have a Dell PE860 with built-in BCM5721, which is reported as working fine with the tg3 driver, however I have been getting sporadic data corruption, mostly evident as SS

Re: PROBLEM: tg3 spitting out uninitialized memory

On Thu, 2007-04-12 at 16:50 +0200, Andi Kleen wrote: > Jamie webb <[EMAIL PROTECTED]> writes: > > > Hi there > > > > I have a Dell PE860 with built-in BCM5721, which is reported as > > working fine with the tg3 driver, however I have been getting sporadic > > data corruption, mostly evident as SS

Re: PROBLEM: tg3 spitting out uninitialized memory

Jamie webb <[EMAIL PROTECTED]> writes: > Hi there > > I have a Dell PE860 with built-in BCM5721, which is reported as > working fine with the tg3 driver, however I have been getting sporadic > data corruption, mostly evident as SSH MAC errors. FWIW i also saw this (data corruption with tg3) occa