Is anyone working on fine-grained locking for the ahc driver? I just upgraded one of my servers from UP to SMP, and noticed that *Giant showed up a lot when running top for processes accessing data on the SCSI discs. It could be a GIANT lock for some other resource of course, but since the ahc driver reports [GIANT-LOCKED] during boot, and since all the processes were accessing data on SCSI discs I just assumed it was waiting for a lock in the ahc driver. Is there a simple way to figure out which resource the processes are waiting for (without compiling in any additional debugging)? /Daniel ErikssonReceived on Mon Oct 11 2004 - 16:48:43 UTC
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