 | | Re: Linux Too Aggressive With File Caching? (megaraid allocation
failure) | Re: Linux Too Aggressive With File Caching? (megaraid allocation
failure) 2004-04-02 - By Chris Kloiber
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On Sat, 2004-04-03 at 03:00, Kevin Stussman wrote:
> I 've sent this to the Dell Poweredge mailing list (as it does relate to
> the 2650 + Powervault 220S / Perc4 Raid Card) and they basically point
> to a kernel issue. I am hoping that someone here knows about this (i.e
> is it a known issue, severity , fixes etc..) So far the only problem has
> been 100s of messages like the following:
>
> megaraid:allocation failed
>
> but no tailspins (touch wood).
>
> I am 99.99% sure that memory used by processes is not at issue here. The
> stats have always remained at this level:
> total used free shared buffers
> cached
> Mem: 6063128 6020328 42800 0 209560
> 5509172
> -/+ buffers/cache: 301596 5761532
> Swap: 8385848 102076 828377
>
>
> OS : 2.4.21-4.ELsmp #1 SMP Fri Oct 3 17:52:56 EDT 2003 i686 i686 i386
> GNU/Linux
>
>
> -- ---- -----
> Original Messages
> -- ---- -----
> > Does anyone have insight into what this means? (in dmesg/syslog)
> >
> > megaraid:allocation failed
>
> It indicates that the driver could not allocate kernel memory, which is
> rare but possible. If the system kept going, this means that it was
> eventually able to allocate memory to satisfy the driver 's needs.
Have you tried the Update 2 Beta kernel yet?
--
Chris Kloiber, RHCX
Red Hat, Inc.
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