Re: Dell R630 high interrupts on acpi0

2014-12-20 Thread Jonathan Matthew
On Fri, Dec 19, 2014 at 02:58:13PM +0100, Mark Kettenis wrote: Date: Fri, 19 Dec 2014 23:41:56 +1000 From: Jonathan Matthew jonat...@d14n.org On Thu, Dec 18, 2014 at 11:14:54PM +0100, Frederic Nowak wrote: Hi! The diff for extracting memory ranges from ACPI was obviously not

Re: Dell R630 high interrupts on acpi0

2014-12-19 Thread Jonathan Matthew
On Thu, Dec 18, 2014 at 11:14:54PM +0100, Frederic Nowak wrote: Hi! The diff for extracting memory ranges from ACPI was obviously not tested with ACPI disabled...so we definitely have to check if the values in pcimem_range make some sense. The diff below now uses the old values in case ACPI

Re: Dell R630 high interrupts on acpi0

2014-12-19 Thread Mark Kettenis
Date: Fri, 19 Dec 2014 23:41:56 +1000 From: Jonathan Matthew jonat...@d14n.org On Thu, Dec 18, 2014 at 11:14:54PM +0100, Frederic Nowak wrote: Hi! The diff for extracting memory ranges from ACPI was obviously not tested with ACPI disabled...so we definitely have to check if the

Re: Dell R630 high interrupts on acpi0

2014-12-19 Thread Hrvoje Popovski
On 17.12.2014. 6:34, Philip Guenther wrote: Uh, ACPI *requires* that C1 exist. The halt instruction is defined as entering C1, so not having C1 would mean your CPU lacks a basic manadatory ia32 instruction. Hopefully the BIOS docs explain that you're just disabling deep C-states or something

Re: Dell R630 high interrupts on acpi0

2014-12-18 Thread Frederic Nowak
Hi! The diff for extracting memory ranges from ACPI was obviously not tested with ACPI disabled...so we definitely have to check if the values in pcimem_range make some sense. The diff below now uses the old values in case ACPI is disabled or does not return valid values. I hope this is somewhat

Re: Dell R630 high interrupts on acpi0

2014-12-17 Thread mxb
On 16 dec 2014, at 06:40, David Gwynne da...@gwynne.id.au wrote: others have hit this on r620s as well I don’t see it on mine. interrupt total rate irq0/clock 9587998940 1599 irq0/ipi136166514 22 irq144/acpi0

Re: Dell R630 high interrupts on acpi0

2014-12-17 Thread Mark Kettenis
Date: Tue, 16 Dec 2014 21:34:29 -0800 From: Philip Guenther guent...@gmail.com R620 have similar settings and can't see C states in dmesg acpicpu0 at acpi0 That's either insane, or a bug in our acpicpu code, IMO. Probably just the effect of the BIOS not advertising C states at all.

Re: Dell R630 high interrupts on acpi0

2014-12-17 Thread Mike Larkin
On Wed, Dec 17, 2014 at 10:44:24AM +0100, mxb wrote: On 16 dec 2014, at 06:40, David Gwynne da...@gwynne.id.au wrote: others have hit this on r620s as well I don???t see it on mine. Others have hit a similar symptom on r620, caused by a different issue that was already fixed by

Re: Dell R630 high interrupts on acpi0

2014-12-16 Thread Hrvoje Popovski
On 16.12.2014. 6:16, Jonathan Matthew wrote: On Sun, Dec 14, 2014 at 06:22:37PM +0100, Hrvoje Popovski wrote: Hi all, I have got two new Dell R630 and have current on them from Sun Dec 14 15:07:17. Installation went great and very fast. The problem is that I see around 11k interrupts on acpi0.

Re: Dell R630 high interrupts on acpi0

2014-12-16 Thread Mark Kettenis
Date: Tue, 16 Dec 2014 15:16:58 +1000 From: Jonathan Matthew jonat...@d14n.org On Sun, Dec 14, 2014 at 06:22:37PM +0100, Hrvoje Popovski wrote: Hi all, I have got two new Dell R630 and have current on them from Sun Dec 14 15:07:17. Installation went great and very fast. The problem

Re: Dell R630 high interrupts on acpi0

2014-12-16 Thread Hrvoje Popovski
On 16.12.2014. 6:16, Jonathan Matthew wrote: We just got some r630s too, so I spent some time last week figuring out what's going on here. Something in the AML wants to talk to the intel MEI device. Normally this works, but on the new generation of dell machines (we've seen it on r630s and

Re: Dell R630 high interrupts on acpi0

2014-12-16 Thread Philip Guenther
On Tue, Dec 16, 2014 at 2:45 PM, Hrvoje Popovski hrv...@srce.hr wrote: on R630 i have custom bios settings and noticed that even if C states are disabled in bios i can see them in dmesg acpicpu0 at acpi0: C1 Uh, ACPI *requires* that C1 exist. The halt instruction is defined as entering C1, so

Re: Dell R630 high interrupts on acpi0

2014-12-16 Thread Frederic Nowak
Hi! The below diff extracts the memory range information from ACPI. It looks up all the memory ranges in _CRS and calculates minimal and maximal values for pci_machdep.c. I tested this on two amd64 machines and see no difference in pcidump. Do you think we need to keep the old method in case

Re: Dell R630 high interrupts on acpi0

2014-12-15 Thread Jonathan Matthew
On Sun, Dec 14, 2014 at 06:22:37PM +0100, Hrvoje Popovski wrote: Hi all, I have got two new Dell R630 and have current on them from Sun Dec 14 15:07:17. Installation went great and very fast. The problem is that I see around 11k interrupts on acpi0. First I thought that problem is similar

Re: Dell R630 high interrupts on acpi0

2014-12-15 Thread David Gwynne
On 16 Dec 2014, at 15:16, Jonathan Matthew jonat...@d14n.org wrote: On Sun, Dec 14, 2014 at 06:22:37PM +0100, Hrvoje Popovski wrote: Hi all, I have got two new Dell R630 and have current on them from Sun Dec 14 15:07:17. Installation went great and very fast. The problem is that I see