random FreeBSD panics

2010-03-28 Thread Masoom Shaikh
Hello List, I was a happy FreeBSD user, just before I installed FreeBSD8.0-RC1. Since then, system randomly just freezes, and there is no option other than hard boot. I guessed this will get solved in 8.0-RELEASE, but it was not :( Many times I get vmcore files, not always. I have dumpdev set to

Re: random FreeBSD panics

2010-03-28 Thread Masoom Shaikh
On Sun, Mar 28, 2010 at 10:32 AM, Ivan Voras ivo...@freebsd.org wrote: Masoom Shaikh wrote: Hello List, I was a happy FreeBSD user, just before I installed FreeBSD8.0-RC1. Since then, system randomly just freezes, and there is no option other than hard boot. I guessed this will get solved

Re: periodically save current time to time-of-day hardware

2010-03-28 Thread Dag-Erling Smørgrav
Peter Jeremy peterjer...@acm.org writes: Traditionally, the (PC) RTC is on the ISA bus (though it's possible it might use I2C on other architectures or LPC on current PCs). AFAIK, it's usually on I2C on non-i386 platforms. I2C RTC chips are dirt cheap and easy to integrate, especially if you

Re: random FreeBSD panics

2010-03-28 Thread Gary Jennejohn
On Sun, 28 Mar 2010 11:18:59 + Masoom Shaikh masoom.sha...@gmail.com wrote: On Sun, Mar 28, 2010 at 10:32 AM, Ivan Voras ivo...@freebsd.org wrote: Masoom Shaikh wrote: Hello List, I was a happy FreeBSD user, just before I installed FreeBSD8.0-RC1. Since then, system randomly just

Re: random FreeBSD panics

2010-03-28 Thread Ivan Voras
On 28 March 2010 13:18, Masoom Shaikh masoom.sha...@gmail.com wrote: On Sun, Mar 28, 2010 at 10:32 AM, Ivan Voras ivo...@freebsd.org wrote: Masoom Shaikh wrote: Hello List, I was a happy FreeBSD user, just before I installed FreeBSD8.0-RC1. Since then, system randomly just freezes, and

Re: random FreeBSD panics

2010-03-28 Thread Masoom Shaikh
On Sun, Mar 28, 2010 at 12:03 PM, Ivan Voras ivo...@freebsd.org wrote: On 28 March 2010 13:18, Masoom Shaikh masoom.sha...@gmail.com wrote: On Sun, Mar 28, 2010 at 10:32 AM, Ivan Voras ivo...@freebsd.org wrote: Masoom Shaikh wrote: Hello List, I was a happy FreeBSD user, just before I

Re: random FreeBSD panics

2010-03-28 Thread Ivan Voras
On 28 March 2010 16:42, Masoom Shaikh masoom.sha...@gmail.com wrote: lets assume if this is h/w problem, then how can other OSes overcome this ? is there a way to make FreeBSD ignore this as well, let it result in reasonable performance penalty. Very probably, if only we could detect where

Re: random FreeBSD panics

2010-03-28 Thread Adam Vande More
On Sun, Mar 28, 2010 at 8:42 AM, Masoom Shaikh masoom.sha...@gmail.comwrote: nopes, this didn't help too, machine freezed again after using for 30 minutes or so all it was doing is playing amarok, fetching sources from svn repos, and using firefox lets assume if this is h/w problem, then

Problems understanding this piece of code...

2010-03-28 Thread Sergio Andrés Gómez del Real
Hi. I can't seem to understand this piece of i386 boot code: What I understand is that BIOS loads MBR at 0x7c00, then jumps to the code there, code that relocates itself to and jumps to 0x600, but what does movw $main-EXEC+LOAD,%si mean? if it's the source address to copy from, why is it $main