Hi Jeff! Alan! today I decided to put a (granted somewhat older) RocketRAID 454 card (hpt374 as it seems) into an Asus P5B (which already has some controllers using libata quite happily), and it seems that the driver support is not perfect yet :) note: the older hpt366 (ide) driver works quite fine with the hpt374 controller, even under heavy load (as I figured an hour ago) and I remembered that there was some efford to get away from the 'old' ide drivers ... here are the details: [ 0.000000] Linux version 2.6.19.1 (gcc version 4.1.1 20060724 (prerelease) (4.1.1-3mdk)) #10 SMP Tue Jan 2 15:13:40 CET 2007 [ 0.000000] Command line: root=/dev/sda1 panic=20 console=ttyS0,115200n8 [ 552.115825] irq 23: nobody cared (try booting with the "irqpoll" option) [ 552.122730] [ 552.122731] Call Trace: [ 552.126795] [<ffffffff8026403e>] dump_trace+0xaa/0x403 [ 552.132169] [<ffffffff802643d3>] show_trace+0x3c/0x52 [ 552.137488] [<ffffffff802643fe>] dump_stack+0x15/0x17 [ 552.142748] [<ffffffff802a4ddb>] __report_bad_irq+0x38/0x87 [ 552.148589] [<ffffffff802a4ff3>] note_interrupt+0x1c9/0x20f [ 552.154383] [<ffffffff802a5868>] handle_fasteoi_irq+0xa7/0xd0 [ 552.160321] [<ffffffff80265cc3>] do_IRQ+0x105/0x158 [ 552.165416] [<ffffffff80258641>] ret_from_intr+0x0/0xa [ 552.170771] [<ffffffff80263840>] mwait_idle_with_hints+0x48/0x4a [ 552.177035] [<ffffffff80251ce1>] mwait_idle+0x10/0x25 [ 552.182303] [<ffffffff80244586>] cpu_idle+0x58/0x77 [ 552.187433] [<ffffffff80263079>] rest_init+0x26/0x28 [ 552.192640] [<ffffffff80620725>] start_kernel+0x213/0x215 [ 552.198256] [<ffffffff80620156>] _sinittext+0x156/0x15d [ 552.203730] [ 552.205263] handlers: [ 552.207611] [<ffffffff803e5469>] (usb_hcd_irq+0x0/0x58) [ 552.213027] [<ffffffff803e5469>] (usb_hcd_irq+0x0/0x58) [ 552.218451] [<ffffffff8803ba13>] (ata_interrupt+0x0/0x1a0 [libata]) [ 552.224915] [<ffffffff8803ba13>] (ata_interrupt+0x0/0x1a0 [libata]) [ 552.231387] Disabling IRQ #23 after that, the system is basically dead, as the irq is shared with the USB controller, where it booted from ... shufflings cards around (i.e. giving the hpt374 a separate, non shared IRQ line) doesn't help there, the result is the same once the devices are accessed (only IRQ changes from #23 to #21) if you are interested in investigating this, please let me know what kind of data you would like to see and/or what kind of tests would be appreciated. TIA, Herbert - To unsubscribe from this list: send the line "unsubscribe linux-ide" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
