Re: SUJ Bugs

2011-03-28 Thread Lucius Windschuh
Hi Jeff, I still have the problem that filesystem I/O from programs stalls while there is disk activity about every second on a SUJ volume (now with 4k block size, -CURRENT r219341, i386). It was reported earlier on, there were fixes, and the problem happens really seldomly (which makes it hard to

Re: TTY task group scheduling

2010-11-18 Thread Lucius Windschuh
2010/11/18 Andriy Gapon : > [Grouping of processes into TTY groups] > > Well, I think that those improvements apply only to a very specific usage > pattern > and are greatly over-hyped. But there are serious issue if you use FreeBSD as a desktop OS with SMP and SCHED_ULE, or? Because currently, m

Deadlock in UFS/SU+J?

2010-08-12 Thread Lucius Windschuh
Dear list members, I tried to reproduce another bug on my test machine (i386, CURRENT r211175), but ran into the following deadlock: lock order reversal: 1st 0xc66677c8 ufs (ufs) @ /usr/src/sys/kern/vfs_subr.c:2101 2nd 0xe5ba2460 bufwait (bufwait) @ /usr/src/sys/ufs/ffs/ffs_softdep.c:11291 3rd

Re: /tmp and swap space

2010-07-29 Thread Lucius Windschuh
Hi "gahn". 2010/7/29 gahn : > hi all: > > is it possible to create /tmp directory under swap space? under solaris, it > is automatically created under swap unless one specifically instructs the > system not to do so.. Yes you can, by mounting a tmpfs there. fstab line: tmpfs /

Re: Failed assertion: "(run->regs_mask[elm] & (1U << bit)) == 0"

2010-04-29 Thread Lucius Windschuh
Hi Dmitry. 2010/4/29 Dmitry Krivenok : > Hello Hackers! > > I have a problem with FreeBSD-CURRENT system: > FreeBSD host 9.0-CURRENT FreeBSD 9.0-CURRENT #16 r207299: Wed Apr 28 > 04:15:07 UTC 2010     r...@host:/usr/obj/usr/src/sys/GENERIC  amd64 > > Perl aborts with the following error on exiting

Re: HEADS UP: SUJ Going in to head today

2010-04-25 Thread Lucius Windschuh
Hi Jeff, thank you for your effort in implementing the soft update journaling. I tried to test SUJ on a provider with 4 kB block size. My system runs 9-CURRENT r207195 (i386). Unfortunately, tunefs is unable to cope with the device. It can easily reproduced with these steps: # mdconfig -s 128M -S