Re: [gentoo-user] system lag with gentoo-sources-2.6.35-r2

2010-08-24 Thread Chen Huan
I am the same problems with 2.6.35, now I downgrade to 2.6.34-r6, it is normal till now 2010/8/23 Alan Warren > Thanks Mark, I'll look into that config option, and try again with top > open. > > In this case I was doing a home backup to a 1TB WD Caviar black formatted > as ext3. > > I also have

Re: [gentoo-user] system lag with gentoo-sources-2.6.35-r2

2010-08-23 Thread Alan Warren
Thanks Mark, I'll look into that config option, and try again with top open. In this case I was doing a home backup to a 1TB WD Caviar black formatted as ext3. I also have a raid0 with 2 other non-WD sata drives, and a single WD velociraptor I can test with. It also doesn't sound too far off tha

Re: [gentoo-user] system lag with gentoo-sources-2.6.35-r2

2010-08-23 Thread Mark Knecht
On Sun, Aug 22, 2010 at 12:01 PM, Alan Warren wrote: > Hello, > > I am having some system performance issues with this kernel release. I have > a SMP machine (dual xeon nehalem 8 core / 16 threads) with 24gb non-ecc > memory. > > On occasion (seems random so far) my system feels like a Pentium II

Re: [gentoo-user] system lag with gentoo-sources-2.6.35-r2

2010-08-23 Thread Paul Hartman
On Sun, Aug 22, 2010 at 2:01 PM, Alan Warren wrote: > Hello, > > I am having some system performance issues with this kernel release. I have > a SMP machine (dual xeon nehalem 8 core / 16 threads) with 24gb non-ecc > memory. > > On occasion (seems random so far) my system feels like a Pentium II t

Re: [gentoo-user] system lag with gentoo-sources-2.6.35-r2

2010-08-23 Thread Peter Humphrey
On Sunday 22 August 2010 21:04:56 Robert Bridge wrote: > Well, the fix is in the line for 2.6.36 IIRC, so wouldn't be in an > 2.6.35 kernel. > > That said, the problem supposedly being fixed goes back well before > 2.6.34, so if that kernel works, it suggests that it is a different > issue you ar

Re: [gentoo-user] system lag with gentoo-sources-2.6.35-r2

2010-08-22 Thread Robert Bridge
On Sun, Aug 22, 2010 at 8:35 PM, Alan Warren wrote: > I think you are correct though. It does seem to only happen while the system > is under heavy I/O. > > I've never experienced anything like this in previous versions of the linux > kernel, > and resorting back to gentoo-sources-2.6.34 fixes the

Re: [gentoo-user] system lag with gentoo-sources-2.6.35-r2

2010-08-22 Thread Alan Warren
Thanks, I'm not very savvy when it comes to working with the kernel beyond using the normal stable cut gentoo provides. I'll research git-bisect and see if I can't figure this out though. I think you are correct though. It does seem to only happen while the system is under heavy I/O. I've never

Re: [gentoo-user] system lag with gentoo-sources-2.6.35-r2

2010-08-22 Thread Robert Bridge
On Sun, Aug 22, 2010 at 8:01 PM, Alan Warren wrote: > Is there a proper venu for debugging such matters, or should I just wait for > this kernel to go prime-time? Can you reliably reproduce the problem? If so, and you have a kernel that works git-bisect should allow you to pinpoint the offending

[gentoo-user] system lag with gentoo-sources-2.6.35-r2

2010-08-22 Thread Alan Warren
Hello, I am having some system performance issues with this kernel release. I have a SMP machine (dual xeon nehalem 8 core / 16 threads) with 24gb non-ecc memory. On occasion (seems random so far) my system feels like a Pentium II trying to cope with Vista. For example, I was in the middle of tar