> I am having the same problem on a Sun Blade 1500 with > Sol10U2. I'm creating an Oracle Instance and the > system performance is horrible.
> SUNW,UltraSPARC-IIIi`drv_usecwait+0x24 > uata`ata_wait+0x90 > uata`acersb_get_intr_status+0x38 > uata`ata_set_feature+0x148 > uata`ata_disk_start+0x120 > uata`ata_hba_start+0xbc It's exactly the problem that Bart already mentioned in a previous reply. The sparc ide/ata driver is spinning in the kernel in ata_wait: 6421427 netra x1 slagged by NFS over ZFS leading to long spins in the ATA driver code http://bugs.opensolaris.org/bugdatabase/view_bug.do?bug_id=6421427 This message posted from opensolaris.org _______________________________________________ perf-discuss mailing list perf-discuss@opensolaris.org
