Hi Host has pata_amd ata1: PATA max UDMA/133 cmd 0x1f0 ctl 0x3f6 bmdma 0xf000 irq 14 ata2: PATA max UDMA/133 cmd 0x170 ctl 0x376 bmdma 0xf008 irq 15 and pata_pdc2027x. pata_pdc2027x 0000:01:08.0: version 1.0 ACPI: PCI Interrupt Link [APC1] enabled at IRQ 16 pata_pdc2027x 0000:01:08.0: PCI INT A -> Link[APC1] -> GSI 16 (level, high) -> IRQ 16 pata_pdc2027x 0000:01:08.0: PLL input clock 16687 kHz ata3: PATA max UDMA/100 mmio m65536@0xed040000 cmd 0xed0417c0 irq 16 ata4: PATA max UDMA/100 mmio m65536@0xed040000 cmd 0xed0415c0 irq 16 ------------[ cut here ]------------ WARNING: at drivers/ata/libata-core.c:5027 ata_qc_complete+0x1ad/0x1d0() Hardware name: Modules linked in: Pid: 529, comm: scsi_eh_3 Not tainted 2.6.31-03123-g99bc470 #4 Call Trace: [<c133f41a>] ? printk+0x18/0x1e [<c102983d>] warn_slowpath_common+0x6d/0xa0 [<c124d93d>] ? ata_qc_complete+0x1ad/0x1d0 [<c124d93d>] ? ata_qc_complete+0x1ad/0x1d0 [<c1029885>] warn_slowpath_null+0x15/0x20 [<c124d93d>] ata_qc_complete+0x1ad/0x1d0 [<c125a88a>] ata_do_link_abort+0xba/0xe0 [<c125a8ba>] ata_port_abort+0xa/0x10 [<c125a8de>] ata_port_freeze+0x1e/0x40 [<c124f4b7>] ata_exec_internal_sg+0x4a7/0x520 [<c124e06a>] ? T.949+0x2a/0x50 [<c133fb19>] ? wait_for_common+0xd9/0x130 [<c124f58d>] ata_exec_internal+0x5d/0x80 [<c1250679>] ata_dev_configure+0x669/0x1760 [<c124f58d>] ? ata_exec_internal+0x5d/0x80 [<c12601d5>] ? pdc2027x_cable_detect+0x25/0x60 [<c125a08d>] ata_eh_recover+0x7dd/0xcc0 [<c125bf90>] ? ata_sff_postreset+0x0/0x70 [<c125cea0>] ? ata_sff_softreset+0x0/0x160 [<c1260700>] ? pdc2027x_prereset+0x0/0x50 [<c125a5af>] ata_do_eh+0x3f/0xb0 [<c125bf90>] ? ata_sff_postreset+0x0/0x70 [<c125cea0>] ? ata_sff_softreset+0x0/0x160 [<c1260700>] ? pdc2027x_prereset+0x0/0x50 [<c125be1e>] ata_sff_error_handler+0xee/0x1f0 [<c125bf90>] ? ata_sff_postreset+0x0/0x70 [<c125cea0>] ? ata_sff_softreset+0x0/0x160 [<c125af2f>] ata_scsi_error+0x50f/0x780 [<c133f7d8>] ? schedule+0x288/0x440 [<c123c889>] scsi_error_handler+0xb9/0x340 [<c123c7d0>] ? scsi_error_handler+0x0/0x340 [<c103c6cc>] kthread+0x6c/0x80 [<c103c660>] ? kthread+0x0/0x80 [<c100355f>] kernel_thread_helper+0x7/0x18 ---[ end trace a450bfd65efbd88e ]--- ata4.00: qc timeout (cmd 0x27) ata4.00: failed to read native max address (err_mask=0x4) ata4.00: HPA support seems broken, skipping HPA handling -- 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