On my Yeeloong, when I use the libata AMD PATA driver (CONFIG_PATA_AMD), I see this in dmesg, and hard disk access is dog slow.
pata_amd 0000:00:0e.2: version 0.4.1 scsi0 : pata_amd scsi1 : pata_amd ata1: PATA max UDMA/100 cmd 0x1f0 ctl 0x3f6 bmdma 0x4c60 irq 14 ata2: PATA max UDMA/100 cmd 0x170 ctl 0x376 bmdma 0x4c68 irq 15 ... irq 14: nobody cared (try booting with the "irqpoll" option) Call Trace: [<ffffffff806c0148>] dump_stack+0x8/0x40 [<ffffffff8027bd60>] __report_bad_irq+0x40/0x168 [<ffffffff8027c100>] note_interrupt+0x200/0x2c0 [<ffffffff802795a0>] handle_irq_event_percpu+0xe8/0x238 [<ffffffff8027974c>] handle_irq_event+0x5c/0xb0 [<ffffffff8027c5e4>] handle_level_irq+0xb4/0x1a8 [<ffffffff80278b7c>] generic_handle_irq+0x5c/0x78 [<ffffffff80206438>] do_IRQ+0x18/0x30 [<ffffffff80204400>] ret_from_irq+0x0/0x4 [<ffffffff8027f884>] rcu_idle_enter+0x44/0x60 [<ffffffff80206780>] cpu_idle+0x20/0x90 [<ffffffff808249c0>] start_kernel+0x418/0x444 handlers: [<ffffffff804fec98>] ata_bmdma_interrupt Disabling IRQ #14 I see that some kind of fix was added for the old ATA driver (CONFIG_BLK_DEV_AMD74XX). Was nothing added for the new libata driver as well? -- You received this message because you are subscribed to the Google Groups "loongson-dev" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/loongson-dev?hl=en.
