Re: EuroBSDcon slides: pivot_root for BSD including NetBSD code

2012-11-06 Thread Aleksey Cheusov
On Sat, Oct 20, 2012 at 5:17 PM, Adrian Steinmann a...@netbsd.org wrote: I have just delivered a presentation on pivot_root at EuroBSDcon and have put up the most important slides, a patch including new files against HEAD 20121017, and a custom ramdisk build I used to demonstrate pivot_root

WAPL panic

2012-11-06 Thread Edgar Fuß
So, while investigating my WAPL performance problems, It looks like I can crash the machine (not reliably, but more often that not) with a simple seq 1 3000 | xargs mkdir command. I get the following backtrace in ddb (wetware OCR): panic: wapbl_register_deallocation: out of resources

Re: WAPL panic

2012-11-06 Thread Paul Goyette
On Tue, 6 Nov 2012, Edgar Fu? wrote: It's unreasonable to take a dump because that would take an estimated four to five hours. Is there any reasonable way to get a dump out of a 16G box? If I remember correctly, i386 has partial/sparse crash dumps, but they're not yet implemented in amd64.

Re: WAPL panic

2012-11-06 Thread Thor Lancelot Simon
On Tue, Nov 06, 2012 at 02:25:10PM -0800, Paul Goyette wrote: On Tue, 6 Nov 2012, Edgar Fu? wrote: It's unreasonable to take a dump because that would take an estimated four to five hours. Is there any reasonable way to get a dump out of a 16G box? If I remember correctly, i386 has

Re: WAPL panic

2012-11-06 Thread Michael van Elst
e...@math.uni-bonn.de (Edgar =?iso-8859-1?B?RnXf?=) writes: So, while investigating my WAPL performance problems, It looks like I can crash the machine (not reliably, but more often that not) with a simple seq 1 3000 | xargs mkdir command. I get the following backtrace in ddb (wetware

Re: WAPL panic

2012-11-06 Thread Christos Zoulas
In article 20121106221628.gl22...@trav.math.uni-bonn.de, Edgar Fuß e...@math.uni-bonn.de wrote: So, while investigating my WAPL performance problems, It looks like I can crash the machine (not reliably, but more often that not) with a simple seq 1 3000 | xargs mkdir command. I get the

Re: WAPL panic

2012-11-06 Thread Paul Goyette
On Tue, 6 Nov 2012, Thor Lancelot Simon wrote: On Tue, Nov 06, 2012 at 02:25:10PM -0800, Paul Goyette wrote: On Tue, 6 Nov 2012, Edgar Fu? wrote: It's unreasonable to take a dump because that would take an estimated four to five hours. Is there any reasonable way to get a dump out of a 16G

Re: WAPL panic

2012-11-06 Thread David Holland
On Tue, Nov 06, 2012 at 11:16:29PM +0100, Edgar Fu? wrote: So, while investigating my WAPL performance problems, It looks like I can crash the machine (not reliably, but more often that not) with a simple seq 1 3000 |?xargs mkdir command. I get the following backtrace in ddb (wetware