kevents & umount -f kernel panic

Hi all, I found a bug in the FreeBSD kernel today(it's 4.2-STABLE, cvsupped today). It is related to kevents and the umount -f option(forcibly unmounting of a filesystem). The bug is easily reproducible by running this simple shell script: #/bin/sh while true do mount /cdrom t

4.1-RELEASE problem writing to async mounted filesystem

Hi, I recently upgraded to FreeBSD 4.1-RELEASE(CD image). I noticed that while writing to an asynchronously mounted filesystem(mount -o async / ...) all other IO operations to the FS are almost blocked. I have only one asynchronously mounted partition(/) and the following shell script makes the

Re: 4.1-RELEASE problem writing to async mounted filesystem

Hi, > > There's no reason to use softupdates and async together. SU gets you > the same benefits, but much more safely. You are right... I thought async was only for data updates, not metadata too... Thanks for clearing this out... As I understand SU, it's just a method to do metadata asy

makecontext() & friends ?

Hi, are there any plans to implement makecontext() & friends functions in FreeBSD? Is there any other way to implement user-level threads? (I know it can be done in assembler, but this is not portable) Using pthreads is not an option for me, although pthreads are implemented as userlevel thre

makecontext & friends ?

Hi, are there any plans to implement makecontext() & friends functions in FreeBSD? Is there any other way to implement user-level threads? (I know it can be done in assembler, but this is not portable) Using pthreads is not an option for me, although pthreads are implemented as userlevel thre

Re: makecontext & friends ?

Hi, > Sure, it can. See my GNU Portable Threads under > http://www.gnu.org/software/pth/. We have a port under devel/pth, > too. It bases its user-land threads on ucontext(3) if available or on > setjmp(3)'s jmp_buf, etc. All without any assembler things. For details > read my USENIX paper under

Re: makecontext() & friends ?

Hi Dan, > I have implemented {make,get,set,swap}context as library routines > for FreeBSD. They're gathering dust somewhere and need a bit of > polishing. If you give me some time I can dust them off and > send them to you. I would really appreciate if I could get my hands on this code. Could