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求助：linux出现死机
svlug] Locking max tag count at 64 ?
Erik Steffl steffl at bigfoot.com
Mon Mar 22 01:28:25 PST 2004
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Daniel Curry wrote:
>; Hello all.
>;
>; I just loaded RH 9.0 onto a K6-2/400 with 256MB RAM, EIDE CDROM, SCSI
>; Drives (AIC7xxx).
>;
>; The machine has been up about 20 minutes, and I get this error on the
>; local console, where root is logged in.
>;
>; “Locking max tag count at 64”
>;
>; A dmesg command provides a little more detail, but
>;
>; “(scsi0:A:1:0): Locking max tag count at 64”
>;
>; Could anyone give me an idea as to what this is?
yes, google
the most helpful page I've found during brief search is in czech
though, here's summary (just in case you don't speak czech):
http://www.zive.cz/mod_consultancy/SubChild.asp?Qst=130090&Main=6
záhada max tag count rozr(ešena. ta hláška nemá nic spolec(ného se
Sambou, ale s ovladac(em scsi r(adic(e – v mém pr(ípade( Adaptec 7895 v pci
slotu a diskem. linux používal ovladac( aic7xxx, který dovoluje nastavení
hloubky TCQ (tag count queing) až na 256, ale ne(které scsi disky s tím
mají potíže. r(ešením je zme(na konfigurace ovladac(e scsi adaptéru a
nastavení nižší hloubky TCQ nebo jeho úplné vypnutí. (návod pošlu mailem
na požádání).
in driver for controller aic7xxx you can set tag count queing up to
256 but some disks have problems with this, setting it to lower value or
turning it off completely solves the problem.
erik
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