* Ramdisk Vs NFS
@ 2007-04-25 3:16 Siva Prasad
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From: Siva Prasad @ 2007-04-25 3:16 UTC (permalink / raw)
To: linuxppc-dev, linuxppc-embedded
Hi,
What is the primary difference between Ramdisk and NFS with respect to
the wait_queue's?
If I use ramdisk, every thing works fine, but with NFS (or you may read
as 'no ramdisk') kernel/sched.c:__wake_up_common() routines has a
problem. Basically the value of "&q->task_list->next" is out of our
memory range (not between 0xc0000000 and 0xF0000000), and this causes
trouble of accessing non-existing memory.=20
Interesting thing is, this happens much before we even load the ramdisk
drivers.
Appreciate if any one has some insight into this.
Thanks
Siva
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