Sander <sander@xxxxxxxxxxx> wrote: > > Andrew Morton wrote (ao): > > ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.16-rc6/2.6.16-rc6-mm2/ > > Good news! This kernel lets me use eight Maxtor sata disks in raid5 over > nForce4 and Marvell MV88SX6081. > Well that sounds like progress. > ... > > [ 83.244314] BUG: warning at drivers/scsi/sata_mv.c:1896/__msleep() > [ 83.244362] > [ 83.244362] Call Trace: <IRQ> <ffffffff80408d00>{__mv_phy_reset+242} > [ 83.244509] <ffffffff804081ec>{mv_channel_reset+133} <ffffffff80409361>{mv_interrupt+565} > [ 83.244669] <ffffffff8023bf2c>{handle_IRQ_event+41} <ffffffff8023bffa>{__do_IRQ+155} > [ 83.244828] <ffffffff8020c13b>{do_IRQ+59} <ffffffff8020834c>{default_idle+0} > [ 83.244989] <ffffffff80209d64>{ret_from_intr+0} <EOI> <ffffffff804eb96d>{thread_return+86} > [ 83.245172] <ffffffff80208379>{default_idle+45} <ffffffff80208406>{cpu_idle+98} > [ 83.245329] <ffffffff807c4018>{start_secondary+1224} This is due to a -mm-only debug patch which generates a warning if any kernel code does a busywait delay of more than one millisecond. drivers/scsi/sata_mv.c:__msleep() is doing that. > [ 86.569852] ata5: dev 0 cfg 49:2f00 82:7c6b 83:7f09 84:4063 85:7c69 86:3e01 87:4063 88:007f > [ 86.569856] ata5: dev 0 ATA-7, max UDMA/133, 586114704 sectors: LBA48 > [ 86.570840] BUG: warning at drivers/scsi/libata-core.c:3884/__ata_qc_complete() > [ 86.570902] > [ 86.570903] Call Trace: <IRQ> <ffffffff80401694>{__ata_qc_complete+98} > [ 86.571046] <ffffffff8040939e>{mv_interrupt+626} <ffffffff8023bf2c>{handle_IRQ_event+41} > [ 86.571208] <ffffffff8023bffa>{__do_IRQ+155} <ffffffff8020c13b>{do_IRQ+59} > [ 86.571365] <ffffffff80209d64>{ret_from_intr+0} <EOI> <ffffffff804eccd2>{__reacquire_kernel_lock+39} > [ 86.571552] <ffffffff804eb9bd>{thread_return+166} <ffffffff804ebfe5>{schedule_timeout+138} > [ 86.571713] <ffffffff8022a66c>{process_timeout+0} <ffffffff804eaeaf>{wait_for_completion_timeout+137} > [ 86.571878] <ffffffff8021cc6f>{default_wake_function+0} <ffffffff80407402>{ata_exec_command+36} > [ 86.572042] <ffffffff804038b8>{ata_exec_internal+266} <ffffffff80404473>{ata_set_mode+667} > [ 86.575479] <ffffffff8023c4d1>{request_irq+130} <ffffffff804049f4>{ata_device_add+1163} > [ 86.575639] <ffffffff80409a41>{mv_init_one+1547} <ffffffff8036c8b2>{pci_device_probe+221} > [ 86.575799] <ffffffff803b999d>{driver_probe_device+82} <ffffffff803b9a52>{__driver_attach+0} > [ 86.575959] <ffffffff803b9aa8>{__driver_attach+86} <ffffffff803b8f5a>{bus_for_each_dev+67} > [ 86.576121] <ffffffff803b925a>{bus_add_driver+116} <ffffffff8036c918>{pci_bus_match+0} > [ 86.576279] <ffffffff8036c418>{__pci_register_driver+85} <ffffffff8020720c>{init+455} > [ 86.576438] <ffffffff8020a6b6>{child_rip+8} <ffffffff80207045>{init+0} > [ 86.576582] <ffffffff8020a6ae>{child_rip+0} This is: void __ata_qc_complete(struct ata_queued_cmd *qc) { WARN_ON(qc == NULL); /* ata_qc_from_tag _might_ return NULL */ WARN_ON(!(qc->flags & ATA_QCFLAG_ACTIVE)); complaining that ATA_QCFLAG_ACTIVE is not set. - : 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