Re: ecc on i386

2001-09-29 Thread Bernd Walter
On Sat, Sep 29, 2001 at 10:47:54AM -0400, [EMAIL PROTECTED] wrote: > Well if you didnt snip out the context you wouldnt have an argument at all, > since I said to make it an option to shut down or issue a warning. You mean this: sysctl machdep.panic_on_nmi But I still beleave it's not a good i

Re: ecc on i386

2001-09-29 Thread Bsdguru
In a message dated 9/28/01 10:21:58 AM Eastern Daylight Time, [EMAIL PROTECTED] writes: > > I dont think this is "good". Back in the XT days we used to get a false > > parity error every once on a while on an ISA card...taking the machine > down > > on a bit error (which XTs used to do) was

Re: ecc on i386

2001-09-28 Thread Bernd Walter
On Fri, Sep 28, 2001 at 09:46:19AM -0400, [EMAIL PROTECTED] wrote: > In a message dated 9/25/01 1:05:21 PM Eastern Daylight Time, [EMAIL PROTECTED] > writes: > > > > Well, at least we take the machine down, which is a heck of a lot > > > better than ignoring the problem, which is really all tha

Re: ecc on i386

2001-09-28 Thread Bsdguru
In a message dated 9/25/01 1:05:21 PM Eastern Daylight Time, [EMAIL PROTECTED] writes: > > Well, at least we take the machine down, which is a heck of a lot > > better than ignoring the problem, which is really all that I was > > hoping for. I dont think this is "good". Back in the XT days w

Re: ecc on i386

2001-09-25 Thread Peter Wemm
Andrew Gallatin wrote: > > Peter Wemm writes: > > > Thanks for your description of how ECC is reported on PCs. That was > very, very helpful. > > > The Tyan Thunder 2510 BIOS even disables ECC -> NMI routing so you have to > > go to quite a bit of trouble to reprogram the serverworks chipse

Re: ecc on i386

2001-09-25 Thread Warner Losh
In message <[EMAIL PROTECTED]> Peter Wemm writes: : - our NMI handlers are a festering pile of excretement. They dont have : the code to 'ack' the NMI so it isn't possible to return after recovery. I have code to do the ack, but people have complained in the past that this code is too chipset sp

Re: ecc on i386

2001-09-25 Thread Alexander Langer
Thus spake Peter Wemm ([EMAIL PROTECTED]): > Our NMI / ECC handling really really sucks in FreeBSD. Consider: [...] Is there any effort to fix this stuff? Considering FreeBSD is still known as one of the best server platforms, this is more important than a multi-threaded kernel or similar stuf

Re: ecc on i386

2001-09-25 Thread Andrew Gallatin
Peter Wemm writes: Thanks for your description of how ECC is reported on PCs. That was very, very helpful. > The Tyan Thunder 2510 BIOS even disables ECC -> NMI routing so you have to > go to quite a bit of trouble to reprogram the serverworks chipset to > actually generate NMI's so that y

Re: ecc on i386

2001-09-24 Thread Peter Wemm
Andrew Gallatin wrote: > > Matt Dillon writes: > > > > :What happens on an ECC equipped PC when you have a multi-bit memory > > :error that hardware scrubbing can't fix? Will there be some sort of > > :NMI or something that will panic the box? > > : > > :I'm used to alphas (where you'll g

Re: ecc on i386

2001-09-24 Thread Peter Wemm
Andrew Gallatin wrote: > > What happens on an ECC equipped PC when you have a multi-bit memory > error that hardware scrubbing can't fix? Will there be some sort of > NMI or something that will panic the box? > > I'm used to alphas (where you'll get a fatal machine check panic) and > I am just

Re: ecc on i386

2001-09-24 Thread Andrew Gallatin
Matt Dillon writes: > > :What happens on an ECC equipped PC when you have a multi-bit memory > :error that hardware scrubbing can't fix? Will there be some sort of > :NMI or something that will panic the box? > : > :I'm used to alphas (where you'll get a fatal machine check panic) and >

Re: ecc on i386

2001-09-24 Thread Matt Dillon
:What happens on an ECC equipped PC when you have a multi-bit memory :error that hardware scrubbing can't fix? Will there be some sort of :NMI or something that will panic the box? : :I'm used to alphas (where you'll get a fatal machine check panic) and :I am just wondering if PCs are as safe. :

ecc on i386

2001-09-24 Thread Andrew Gallatin
What happens on an ECC equipped PC when you have a multi-bit memory error that hardware scrubbing can't fix? Will there be some sort of NMI or something that will panic the box? I'm used to alphas (where you'll get a fatal machine check panic) and I am just wondering if PCs are as safe. Thanks