Messages in this thread | | | Date | Mon, 29 Mar 1999 16:40:06 +0200 | From | Peter Syrowatka <> | Subject | Re: kernel: kmalloc of too large block |
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dstein@phoenixcontact.com wrote: > > Hi > > I got some problems with my AHA2940-U2W controllers. I know, it belongs > more to linux-scsi, but I posted it there but got no answer until now. > The added messages are out of /var/log/warn and /var/log/messages; can > anyone explain the "kmalloc"-messages to me? The problem appears > under high load; I got two stripes on two 2940-U2W. The second one works > fine, but the first one breaks under high I/O-load (copying files etc.). > My system is a SMP with two PII-400, 1 GB RAM and three U2W-cards, running > SuSE 6.0 (kernel 2.0.36). I added the latest aic7xxx-driver to the kernel > but that did not help. > Any suggestions? >
maximum size of memory you can allocate with kmalloc (in one piece) is (131.072 - 16) byte (see mm/kmalloc.c)
its may be a bug in the aic7xxx-driver ... they don't check the size they try to allocate ?
> > Mar 29 06:16:46 lx01 kernel: kmalloc of too large a block (209284 bytes). > Mar 29 06:16:46 lx01 kernel: kmalloc of too large a block (209280 bytes). > Mar 29 06:16:46 lx01 kernel: kmalloc of too large a block (209272 bytes). > Mar 29 06:16:46 lx01 kernel: kmalloc of too large a block (209200 bytes). > Mar 29 06:16:46 lx01 kernel: kmalloc of too large a block (160048 bytes). > Mar 29 06:16:46 lx01 kernel: kmalloc of too large a block (209236 bytes). > Mar 29 06:16:46 lx01 kernel: kmalloc of too large a block (209232 bytes). > Mar 29 06:16:46 lx01 kernel: kmalloc of too large a block (209224 bytes). > Mar 29 06:16:46 lx01 kernel: kmalloc of too large a block (209152 bytes). > Mar 29 06:16:46 lx01 kernel: kmalloc of too large a block (160000 bytes). > Mar 29 06:16:46 lx01 kernel: kmalloc of too large a block (160000 bytes).
-- SYRO
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