Performance issues in 5.3-RELEASE.

[Anish Mistry]

On Wednesday 17 November 2004 04:40 am, Krzysztof Kowalik wrote:
> Hello,
>
>    Recently I took some time to upgrade my home 4.9 system to
> 5.3-RELEASE (fortunately, taking full system dump before, so I can
> easily get back). In fact just after upgrading I ran into the weird
> issue during installation for firefox port.
>
> When firefox-1.0-source.tar.bz2 is getting untared, the system starts to
> be *slow*: any music starts to be jittered and the cursor in X stalls
> from time to time for ~1 second.
>
> And I never had this issue before with 4.x serie.
>
> I tried to boot with an without ACPI, with GENERIC kernel, with my "own"
> kernel configuration (GENERIC with removed unused SCSI/RAID/NIC drivers)
> both with and without PREEMPTION[1]. Without any visible change in
> system's behaviour.
>
> %uname -a
> FreeBSD bzzzt.borys.lan 5.3-RELEASE FreeBSD 5.3-RELEASE #2: Wed Nov 17
> 00:19:56 CET 2004 root at bzzzt.borys.lan:/usr/src/sys/i386/compile/BZZZT 
> i386
>
> # atacontrol list
> ATA channel 0:
>     Master:  ad0 <SAMSUNG SP1614N/TM100-24> ATA/ATAPI revision 7
>     Slave:   ad1 <WDC WD2000JB-00FUA0/15.05R15> ATA/ATAPI revision 6
> ATA channel 1:
>     Master: acd0 <JLMS DVD-ROM LTD-166S/DS08> ATA/ATAPI revision 5
>     Slave:  acd1 <LITE-ON LTR-40125S/ZS0N> ATA/ATAPI revision 0
> ATA channel 2:
>     Master:  ad4 <ST360021A/3.10> ATA/ATAPI revision 5
>     Slave:   ad5 <ST380021A/3.19> ATA/ATAPI revision 5
> ATA channel 3:
>     Master:      no device present
>     Slave:       no device present
>
> # atacontrol mode 0
> Master = UDMA100
> Slave  = UDMA100
> # atacontrol mode 1
> Master = UDMA33
> Slave  = UDMA33
> # atacontrol mode 2
> Master = UDMA100
> Slave  = UDMA100
>
> dmesgs from ACPI boot on "custom" kernel attached.
>
> Is there anything I missed and therefore I should try/tune or any
> other informations that are needed and I missed them?
>
> [1] yes, SCHED_4BSD
>
> Regards,
> Krzysztof Kowalik
Me too.

-- 
Anish Mistry
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