Re: crash dump module sections addresses

In article <33813164-f469-41e0-bceb-4a2d14557...@softinengines.com>, Beesdeckar wrote: >On 27-Mar-25 10:22 AM, Paul Goyette wrote: >> See src/sys/kern/subr_kobj.c (kern_module.c which calls some of >> the kobj routines.) > >I looked on it. If I want to retrieve .text module base address I found t

Re: PHP performance on Xen domU with mulitple vcpu

At Thu, 3 Apr 2025 15:41:13 +, Emmanuel Dreyfus wrote: Subject: Re: PHP performance on Xen domU with mulitple vcpu > > On Thu, Apr 03, 2025 at 11:00:50AM -0400, Greg Troxel wrote: > > Have you written a test program to log and examined the return values? > > I ran gettimeofday 1M time, it took

Re: PHP performance on Xen domU with mulitple vcpu

> Date: Thu, 3 Apr 2025 15:41:13 + > From: Emmanuel Dreyfus > > Oh, yes, good pick! I use kern.timecounter.hardware=clockinterrupt > because with xen_system_time the domU's ntpd is unable to keep in sync. I have been hearing about weird issues with xen_system_time but I don't have the eviden

Re: PowerBook 5xx instability fix.

On Thu, 3 Apr 2025 at 03:30, Nat Sloss wrote: > Sorry I'm mistaken - ascaudio(4) does NOT have issues on the PowerBook 160 or > 520/540. Which I have tested it throughly on. - The audio MD code does not > modify the top of memory. > > What I'm observing on the PowerBook 520 is that a portion of

GSOC asynchronous IO

Hi. I am Ethan. Just reaching out to express interest in this upcoming GSOC. I stumbled across a very interesting project, refactoring asynchronous IO , which looks to require quite a lot of skillful tact and vision. And to go through most of the ques

Inquiry About Contribution to - Emulating missing linux syscalls on GSoC

Respected Sir, I hope this email finds you well. I am a software developer currently pursuing my Bachelor's degree at IIIT Delhi, India. I am interested in contributing to the [Project Name] and would love to learn more about its objectives and technical requirements. I have knowledge of system

Re: library in kernel space

On Sun, 23 Mar 2025, Peter Skvarka wrote: And does not exist another way how to make kobj_checksyms not check some functions when module is loaded ? All global symbols are exported. If you have private routines, make them static and they won't be global. There is no supportable way of bwing

Re: Possible garbage value return in IXL

So then I guess we will need to init rv to 0. So if the interrupt doesn’t go through the true branches, we certainly know that it’s not for us. > On 25 Mar 2025, at 1:53 PM, Manuel Bouyer wrote: > > On Tue, Mar 25, 2025 at 01:31:46PM +, Emmanuel Nyarko wrote: >> >> https://github.com/Emma

Re: alignment requirements for kmutex_t

> On Mar 30, 2025, at 1:14 AM, Beesdeckar wrote: > > Hello, > I found that global variable of type kmutex_t is on many places defined like: > kmutex_t variable_name __cacheline_aligned; > > Two questions, > 1. Is __cacheline_aligned mandatory for global/static variables of type > kmutex in ke

Re: PHP performance on Xen domU with mulitple vcpu

Mouse writes: > Not a bug in the sense that gettimeofday is violating its interface > contract, just a bug in the sense that "something is wrong". I'd say > gettimeofday() taking as long as a second, measured by ktrace records, > indicates a bug; everything involved is entirely in-kernel, so tha