kern/104624: Sound,
mouse and keyboard badly interrupted while I/O (disk, net)
Alexander Best
arundel at freebsd.org
Sun Dec 12 12:19:23 UTC 2010
On Sun Dec 12 10, Bruce Cran wrote:
> On Sun, 12 Dec 2010 11:10:11 GMT
> Alexander Best <arundel at freebsd.org> wrote:
>
> > i can confirm that a similar issue exists for me running a very
> > recent HEAD snapshot on amd64. when the disk is performing heavy i/o
> > (make -j8 buildworld e.g.) sound starts stuttering and the system
> > goes semi-responsive. mostly the mouse input (usb) is lagging, but
> > sometimes the cursor freezes in it's current position for 10 seconds
> > or so.
>
> There was a discussion recently where we noticed this problem appeared
> to occur mostly on systems with Intel Core 2 Duo CPUs. I've seen a
> login paused for over 5 seconds (between typing the password and
> the motd being displayed) due to an "svn up" on my laptop for example.
bulls eye!
CPU: Intel(R) Pentium(R) Dual CPU E2160 @ 1.80GHz (2394.05-MHz K8-class CPU)
Origin = "GenuineIntel" Id = 0x6fd Family = 6 Model = f Stepping = 13
Features=0xbfebfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,
CMOV,PAT,PSE36,CLFLUSH,DTS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE>
Features2=0xe39d<SSE3,DTES64,MON,DS_CPL,EST,TM2,SSSE3,CX16,xTPR,PDCM>
AMD Features=0x20100800<SYSCALL,NX,LM>
AMD Features2=0x1<LAHF>
TSC: P-state invariant
cheers.
alex
ps: was this a private discussion or a public one? i'd really like to read up
on this one.
>
> --
> Bruce Cran
--
a13x
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