problems with mfi/DELL Perc6?

Daniel Braniss danny at cs.huji.ac.il
Thu Mar 18 08:59:46 UTC 2010


hi,
we keep seeing these timeouts when there is heavy writes to the mfi:
...
mfi1: COMMAND 0xffffff80009cd0f0 TIMEOUT AFTER 6564 SECONDS
mfi1: COMMAND 0xffffff80009cd0f0 TIMEOUT AFTER 6594 SECONDS
mfi1: COMMAND 0xffffff80009cd0f0 TIMEOUT AFTER 6624 SECONDS
mfi1: COMMAND 0xffffff80009cd0f0 TIMEOUT AFTER 6654 SECONDS
mfi1: COMMAND 0xffffff80009cd0f0 TIMEOUT AFTER 6684 SECONDS
mfi1: COMMAND 0xffffff80009ce498 TIMEOUT AFTER 35 SECONDS
mfi1: COMMAND 0xffffff80009ce9e8 TIMEOUT AFTER 37 SECONDS
mfi1: COMMAND 0xffffff80009cec08 TIMEOUT AFTER 38 SECONDS
mfi1: COMMAND 0xffffff80009cc3a8 TIMEOUT AFTER 47 SECONDS
mfi1: COMMAND 0xffffff80009ceda0 TIMEOUT AFTER 31 SECONDS
mfi1: COMMAND 0xffffff80009ce9e8 TIMEOUT AFTER 46 SECONDS
mfi1: COMMAND 0xffffff80009cda80 TIMEOUT AFTER 55 SECONDS
...
mfi1: COMMAND 0xffffff80009cd0f0 TIMEOUT AFTER 6624 SECONDS

the card is:

mfi1: <Dell PERC 6> port 0xec00-0xecff mem 0xdf280000-0xdf2bffff,0xdf2c0000-0xd
f2fffff irq 38 at device 0.0 on pci6
mfi1: Megaraid SAS driver Ver 3.00 

any idea what the message means?

thanks,
	danny




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