Re: [PATCH 4/5] atmel_serial: Split the interrupt handler

2007-12-18 Thread Chip Coldwell
r what happened there? > > Looks like Chip's address got mangled too. You can find me at <[EMAIL PROTECTED]> or <[EMAIL PROTECTED]> these days, although <[EMAIL PROTECTED]> still works for the time being. Chip - -- Charles M. "Chip" Coldwell Senior Software

Re: [PATCH 5/5] atmel_serial: Add DMA support

2007-12-18 Thread Chip Coldwell
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 On Tue, 18 Dec 2007, Haavard Skinnemoen wrote: > From: Chip Coldwell <[EMAIL PROTECTED]> > > This patch is based on the DMA-patch by Chip Coldwell for the > AT91/AT32 serial USARTS, with some tweaks to make it apply neatly on

Re: [PATCH 5/5] atmel_serial: Add DMA support

2007-12-18 Thread Chip Coldwell
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 On Tue, 18 Dec 2007, Haavard Skinnemoen wrote: From: Chip Coldwell [EMAIL PROTECTED] This patch is based on the DMA-patch by Chip Coldwell for the AT91/AT32 serial USARTS, with some tweaks to make it apply neatly on top of the other patches

Re: [PATCH 4/5] atmel_serial: Split the interrupt handler

2007-12-18 Thread Chip Coldwell
address got mangled too. You can find me at [EMAIL PROTECTED] or [EMAIL PROTECTED] these days, although [EMAIL PROTECTED] still works for the time being. Chip - -- Charles M. Chip Coldwell Senior Software Engineer Red Hat, Inc 978-392-2426 GPG ID: 852E052F GPG FPR: 77E5 2B51 4907 F08A 7E92

Re: PATCH/RFC: [kdump] fix APIC shutdown sequence

2007-08-08 Thread Chip Coldwell
I understand the Intel documentation correctly. So I think the scenario which leaves IRR set when the kdump kernel starts is possible. Chip -- Charles M. "Chip" Coldwell Senior Software Engineer Red Hat, Inc 978-392-2426 - To unsubscribe from this list: send the line "unsubsc

Re: PATCH/RFC: [kdump] fix APIC shutdown sequence

2007-08-08 Thread Chip Coldwell
which leaves IRR set when the kdump kernel starts is possible. Chip -- Charles M. Chip Coldwell Senior Software Engineer Red Hat, Inc 978-392-2426 - To unsubscribe from this list: send the line unsubscribe linux-kernel in the body of a message to [EMAIL PROTECTED] More majordomo info at http

Re: PATCH/RFC: [kdump] fix APIC shutdown sequence

2007-08-07 Thread Chip Coldwell
ent TPR. If the interrupt has a higher priority, then the processor is interrupted, otherwise the interrupt is kept pending. So, I think if the CPU has interrupts disabled, but the Local APIC does not, the IRR could get set. I guess we need to be sure to turn off the Local APIC first before di

Re: PATCH/RFC: [kdump] fix APIC shutdown sequence

2007-08-07 Thread Chip Coldwell
interrupts disabled, but the Local APIC does not, the IRR could get set. I guess we need to be sure to turn off the Local APIC first before disabling interrupts in the CPU. Chip -- Charles M. Chip Coldwell Senior Software Engineer Red Hat, Inc 978-392-2426 - To unsubscribe from this list: send

Re: data corruption with nvidia chipsets and IDE/SATA drives (k8 cpu errata needed?)

2007-02-21 Thread Chip Coldwell
E_ENCODE(addr); SET_LEAK(iommu_page); + GATT_CLFLUSH(iommu_page); addr += PAGE_SIZE; iommu_page++; } Chip -- Charles M. "Chip" Coldwell Senior Software Engineer Red

Re: data corruption with nvidia chipsets and IDE/SATA drives (k8 cpu errata needed?)

2007-02-21 Thread Chip Coldwell
); addr += PAGE_SIZE; iommu_page++; } Chip -- Charles M. Chip Coldwell Senior Software Engineer Red Hat, Inc 978-392-2426 - To unsubscribe from this list: send the line unsubscribe linux-kernel in the body of a message to [EMAIL PROTECTED] More

Re: data corruption with nvidia chipsets and IDE/SATA drives (k8 cpu errata needed?)

2007-01-18 Thread Chip Coldwell
solution for the problem. In the past we saw corruptions from such conflicts, so this is more than just theory. I suspect you traded a more easy to trigger corruption with a more subtle one. Yup. That was the inspiration for the script. Chip -- Charles M. "Chip" Coldwell Senio

Re: data corruption with nvidia chipsets and IDE/SATA drives (k8 cpu errata needed?)

2007-01-18 Thread Chip Coldwell
solution for the problem. In the past we saw corruptions from such conflicts, so this is more than just theory. I suspect you traded a more easy to trigger corruption with a more subtle one. Yup. That was the inspiration for the script. Chip -- Charles M. Chip Coldwell Senior Software Engineer

Re: data corruption with nvidia chipsets and IDE/SATA drives (k8 cpu errata needed?)

2007-01-17 Thread Chip Coldwell
On Wed, 17 Jan 2007, Chip Coldwell wrote: On Wed, 17 Jan 2007, Andi Kleen wrote: On Wednesday 17 January 2007 07:31, Chris Wedgwood wrote: On Tue, Jan 16, 2007 at 08:52:32PM +0100, Christoph Anton Mitterer wrote: I agree,... it seems drastic, but this is the only really secure solution

Re: data corruption with nvidia chipsets and IDE/SATA drives (k8 cpu errata needed?)

2007-01-17 Thread Chip Coldwell
ntf "base=0x%08x size=0x%08x type=write-combining\n" $base $size >/proc/mtrr exit 0 [ -- cut here-- ] Chip -- Charles M. "Chip" Coldwell Senior Software Engineer Red Hat, Inc 978-392-2426 - To unsubscribe from this list: send the line "unsubscribe linux-kernel

Re: data corruption with nvidia chipsets and IDE/SATA drives (k8 cpu errata needed?)

2007-01-17 Thread Chip Coldwell
here-- ] Chip -- Charles M. Chip Coldwell Senior Software Engineer Red Hat, Inc 978-392-2426 - To unsubscribe from this list: send the line unsubscribe linux-kernel in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ

Re: data corruption with nvidia chipsets and IDE/SATA drives (k8 cpu errata needed?)

2007-01-17 Thread Chip Coldwell
On Wed, 17 Jan 2007, Chip Coldwell wrote: On Wed, 17 Jan 2007, Andi Kleen wrote: On Wednesday 17 January 2007 07:31, Chris Wedgwood wrote: On Tue, Jan 16, 2007 at 08:52:32PM +0100, Christoph Anton Mitterer wrote: I agree,... it seems drastic, but this is the only really secure solution