Re: [RFQ] make witness panic an option

2012-11-15 Thread Giovanni Trematerra
On Thu, Nov 15, 2012 at 7:15 AM, Adrian Chadd wrote: > Hi all, > > When debugging and writing wireless drivers/stack code, I like to > sprinkle lots of locking assertions everywhere. However, this does > cause things to panic quite often during active development. > > This patch (against stable/9)

Re: Context Switch

2012-03-30 Thread Giovanni Trematerra
On Thu, Mar 29, 2012 at 7:18 PM, Mahesh Babu wrote: > Which part of the source code in FreeBSD 9 is responsible for making context > switching i.e. storing and restoring the process state. > Context switch is split up in machine indipendent code (MI Code) and machine dependent code (MD Code) Fo

Re: Per-mount syncer threads and fanout for pagedaemon cleaning

2011-12-27 Thread Giovanni Trematerra
On Mon, Dec 26, 2011 at 9:24 PM, Venkatesh Srinivas wrote: > Hi! > > I've been playing with two things in DragonFly that might be of interest > here. > > Thing #1 := > > First, per-mountpoint syncer threads. Currently there is a single thread, > 'syncer', which periodically calls fsync() on dirty

Re: PANIC: thread_exit: Last thread exiting on its own.

2011-01-03 Thread Giovanni Trematerra
On 03/gen/2011, at 18:23, Lev Serebryakov wrote: Hello, John. You wrote 3 января 2011 г., 19:26:00: I've got this panic on reboot from geom_raid5. Could you please provide some backtrace? Have you got a core? Backtrace was were simple (I've reproduce it from my memory, but it really wa

Re: PANIC: thread_exit: Last thread exiting on its own.

2010-12-30 Thread Giovanni Trematerra
2010/12/30 Lev Serebryakov : > Hello, Hackers. > >  I've  got  this  panic on reboot from geom_raid5. Could you please provide some backtrace? Have you got a core? Which revision of -STABLE are you running(or when last src update)? Thank you. -- Gianni ___

kernel micro-benchmarking framework

2010-10-05 Thread Giovanni Trematerra
Hi all, based on a work of rwatson@ about micro-benchmarking, I managed to have a kernel module that exposes some sysctls. Reading sysctl associated to test start the benchmark and print the results. The code is split up in this way: test.h, test.c where the infrastructure work lives. test_sync_t

Re: System freezes unexpectly

2010-09-08 Thread Giovanni Trematerra
On Wed, Sep 1, 2010 at 1:29 AM, Davide Italiano wrote: > On 31/08/10 07:53, John Baldwin wrote: >> On Monday, August 30, 2010 12:45:40 pm Garrett Cooper wrote: >> > On Mon, Aug 30, 2010 at 9:24 AM, Davide Italiano >> > wrote: >> > > removing ~/.mozilla works fine. I think that problem's related t

Re: Panic: sleeping thread

2010-04-06 Thread Giovanni Trematerra
On Tue, Apr 6, 2010 at 9:17 PM, Paul Halliday wrote: > -- Forwarded message -- > From: Paul Halliday > Date: Thu, Apr 1, 2010 at 8:38 AM > Subject: Re: panic: sleeping thread > To: questi...@freebsd.org > > > On Mon, Mar 22, 2010 at 9:28 AM, Paul Halliday > wrote: >> I have a co

Re: Allocating physical memory without a kernel mapping

2010-03-02 Thread Giovanni Trematerra
On Tue, Mar 2, 2010 at 9:34 AM, Alexander Eichner wrote: > Giovanni Trematerra wrote: >> On Mon, Mar 1, 2010 at 10:59 AM, Alexander Eichner >> wrote: >> > Hi, >> > > > Thanks for your help but I don't see how that patch could help with my > pro

Re: Allocating physical memory without a kernel mapping

2010-03-01 Thread Giovanni Trematerra
On Mon, Mar 1, 2010 at 10:59 AM, Alexander Eichner wrote: > Hi, > > I'm currently trying to finish the R0 memory implementation[1] of FreeBSD for > VirtualBox. One of the missing methods allocates physical non contiguous > pages which don't need to have a kernel mapping > (rtR0MemObjNativeAlloc

Re: VirtualBox and vtophys

2010-02-24 Thread Giovanni Trematerra
On Wed, Feb 24, 2010 at 12:41 PM, Jacques Fourie wrote: > I've noticed that my virtualbox vboxdrv.ko started crashing after > updating my 8.0-stable install. The crash occurs when vboxdrv calls > vtophys() on a userland virtual address. Prior to r202894 this was > working fine. Modifying pmap_kext