Hi It appears the only one using this is the sun4d The patch clears up: scsi0 : Sparc ESP236-FAST BUG: spinlock bad magic on CPU#0, swapper/1 lock: f0f00800, .magic: 00000000, .owner: <none>/-1, .owner_cpu: 0 ... Thanx Ray
--- linux-2.6.17-rc6.orig/arch/sparc/mm/io-unit.c Tue Jun 6 00:57:02 2006 +++ linux-2.6.17-rc6/arch/sparc/mm/io-unit.c Mon Jun 12 04:25:40 2006 @@ -65,6 +65,7 @@ sbus->iommu = (struct iommu_struct *)iounit; iounit->page_table = xpt; + spin_lock_init(&iounit->lock); for (xptend = iounit->page_table + (16 * PAGE_SIZE) / sizeof(iopte_t); xpt < xptend;)
