DTrace probes & klds

2009-08-19 Thread Daniel O'Connor
Is it possible? the handbook implies not and I can't get it to work, but i could be doing it wrong.. I get fbt traces listed for KLDs (I get new entries for each load of the KLD which seems like a potential problem) but I can't specify an SDT_PROBE and have it work. -- Daniel O'Connor softwar

Re: Security: information leaks in /proc enable keystroke recovery

2009-08-19 Thread Dag-Erling Smørgrav
David Wagner writes: > I agree we certainly shouldn't discuss the keystroke recovery attack > as hypothetical, because it is clearly not hypothetical: the authors > implemented it and found that it works. It *is* hypothetical. They were able to collect some keystrokes (but not all) in Linux, but

Re: PCI IRQ latency

2009-08-19 Thread Daniel O'Connor
On Wed, 19 Aug 2009, Daniel O'Connor wrote: > Unfortunately it seems that _something_ blocks interrupts for >4 > milliseconds, however I have no real idea how to go about finding > what it is.. Does anyone have any suggestions? (apart from get a new > DAQ card, I know this one already :) Actually

Re: PCI IRQ latency

2009-08-19 Thread Daniel O'Connor
On Wed, 19 Aug 2009, Zaphod Beeblebrox wrote: > On Tue, Aug 18, 2009 at 11:23 PM, Daniel O'Connor wrote: > > Unfortunately it seems that _something_ blocks interrupts for >4 > > milliseconds, however I have no real idea how to go about finding > > what it is.. Does anyone have any suggestions? (ap

Re: PCI IRQ latency

2009-08-19 Thread Zaphod Beeblebrox
On Tue, Aug 18, 2009 at 11:23 PM, Daniel O'Connor wrote: > Unfortunately it seems that _something_ blocks interrupts for >4 > milliseconds, however I have no real idea how to go about finding what > it is.. Does anyone have any suggestions? (apart from get a new DAQ > card, I know this one alread