Hi, I'm getting the following on 2.6.26-rc1 and -rc2 kernels: Loading scsi_mod.ko module SCSI subsystem initialized Loading sd_mod.ko module Driver 'sd' needs updating - please use bus_type methods Loading mptbase.ko module Fusion MPT base driver 3.04.06 Copyright (c) 1999-2007 LSI Corporation Loading scsi_transport_spi.ko module Loading mptscsih.ko module Loading mptspi.ko module Fusion MPT SPI Host driver 3.04.06 ACPI: PCI Interrupt 0000:86:01.0[A] -> GSI 32 (level, low) -> IRQ 32 mptbase: ioc0: Initiating bringup ioc0: LSI53C1030 B2: Capabilities={Initiator,Target} mptbase: ioc0: PCI-MSI enabled mptbase: ioc0: Initiating recovery BUG: unable to handle kernel NULL pointer dereference at 0000000000000948 IP: [<ffffffffa00e5e28>] :mptspi:mptspi_dv_renegotiate_work+0x13/0xc3 PGD 13f4a4067 PUD 13e918067 PMD 0 Oops: 0000 [1] SMP CPU 0 Modules linked in: mptspi(+) mptscsih scsi_transport_spi mptbase sd_mod scsi_mod ext3 jbd ehci_hcd ohci_hcd uhci_hcd Pid: 15, comm: events/0 Not tainted 2.6.26-rc2 #1 RIP: 0010:[<ffffffffa00e5e28>] [<ffffffffa00e5e28>] :mptspi:mptspi_dv_renegotiate_work+0x13/0xc3 RSP: 0018:ffff81007f475e50 EFLAGS: 00010286 RAX: ffffffff802431cb RBX: ffff81007f475e90 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff81007e970f20 RBP: ffff81007f475e80 R08: 0000000000000002 R09: 0000000000000000 R10: ffffffff802431cb R11: 0000000000000000 R12: ffff81007ffbcea8 R13: 0000000000000948 R14: ffffffffa00e5e15 R15: 0000000000000000 FS: 0000000000680850(0000) GS:ffffffff80638000(0000) knlGS:0000000000000000 CS: 0010 DS: 0018 ES: 0018 CR0: 000000008005003b CR2: 0000000000000948 CR3: 000000013e915000 CR4: 00000000000006e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Process events/0 (pid: 15, threadinfo ffff81007f474000, task ffff81007f472440) Stack: ffffffffa00e5e15 0000000000000000 ffff81007f475e90 ffff81007ffbcea8 ffff81007e970f20 ffffffffa00e5e15 ffff81007f475ed0 ffffffff8024321a 5a5a5a5a5a5a5a5a 5a5a5a5a5a5a5a5a 5a5a5a5a5a5a5a5a 5a5a5a5a5a5a5a5a Call Trace: [<ffffffffa00e5e15>] ? :mptspi:mptspi_dv_renegotiate_work+0x0/0xc3 [<ffffffffa00e5e15>] ? :mptspi:mptspi_dv_renegotiate_work+0x0/0xc3 [<ffffffff8024321a>] run_workqueue+0xee/0x1f6 [<ffffffff80243da7>] worker_thread+0xdb/0xe8 [<ffffffff80246a2c>] ? autoremove_wake_function+0x0/0x38 [<ffffffff80243ccc>] ? worker_thread+0x0/0xe8 [<ffffffff80246909>] kthread+0x49/0x78 [<ffffffff8020cd88>] child_rip+0xa/0x12 [<ffffffff80246784>] ? kthreadd+0x1a6/0x1cb [<ffffffff802468c0>] ? kthread+0x0/0x78 [<ffffffff8020cd7e>] ? child_rip+0x0/0x12 Code: 8b bc 24 f8 00 00 00 e8 83 f7 ff ff 5a 5b 41 5c 41 5d 41 5e 41 5f c9 c3 55 48 89 e5 41 56 41 55 41 54 53 48 83 ec 10 4c 8b 6f 40 <4d> 8b 75 00 e8 27 a4 1a e0 66 41 83 bd fa 02 00 00 00 49 8b be RIP [<ffffffffa00e5e28>] :mptspi:mptspi_dv_renegotiate_work+0x13/0xc3 RSP <ffff81007f475e50> CR2: 0000000000000948 ---[ end trace 78bae8bebb941c9f ]--- mptbase: ioc0: Initiating recovery mptbase: ioc0: Initiating recovery mptbase: ioc0: Initiating recovery mptbase: ioc0: Initiating recovery mptbase: ioc0: Initiating recovery scsi0 : ioc0: LSI53C1030 B2, FwRev=01032700h, Ports=1, MaxQ=255, IRQ=8412 target0:0:0: mptspi: ioc0: dma_alloc_coherent for parameters failed mptscsih: ioc0: attempting task abort! (sc=ffff81007eff5d80) scsi 0:0:0:0: CDB: Inquiry: 12 00 00 00 24 00 mptbase: ioc0: Initiating recovery scsi 0:0:0:0: mptscsih: ioc0: completing cmds: fw_channel 0, fw_id 0, sc=ffff81007eff5d80, mf = ffff81007ea02ce0, idx=d mptscsih: ioc0: Issue of TaskMgmt failed! mptscsih: ioc0: task abort: FAILED (sc=ffff81007eff5d80) mptscsih: ioc0: attempting target reset! (sc=ffff81007eff5d80) scsi 0:0:0:0: CDB: Inquiry: 12 00 00 00 24 00 mptbase: ioc0: Initiating recovery mptscsih: ioc0: Issue of TaskMgmt failed! mptscsih: ioc0: target reset: FAILED (sc=ffff81007eff5d80) mptscsih: ioc0: attempting bus reset! (sc=ffff81007eff5d80) scsi 0:0:0:0: CDB: Inquiry: 12 00 00 00 24 00 mptbase: ioc0: Initiating recovery mptscsih: ioc0: Issue of TaskMgmt failed! mptscsih: ioc0: bus reset: FAILED (sc=ffff81007eff5d80) mptscsih: ioc0: attempting host reset! (sc=ffff81007eff5d80) mptbase: ioc0: Initiating recovery mptscsih: ioc0: host reset: SUCCESS (sc=ffff81007eff5d80) scsi 0:0:0:0: Device offlined - not ready after error recovery target0:0:1: mptspi: ioc0: dma_alloc_coherent for parameters failed mptscsih: ioc0: attempting task abort! (sc=ffff81007eff5d80) scsi 0:0:1:0: CDB: Inquiry: 12 00 00 00 24 00 ... mptbase: ioc0: Initiating recovery scsi 0:0:15:0: mptscsih: ioc0: completing cmds: fw_channel 0, fw_id 15, sc=ffff81007eff5d80, mf = ffff81007ea056e0, idx=7d mptscsih: ioc0: Issue of TaskMgmt failed! mptscsih: ioc0: task abort: FAILED (sc=ffff81007eff5d80) mptscsih: ioc0: attempting target reset! (sc=ffff81007eff5d80) scsi 0:0:15:0: CDB: Inquiry: 12 00 00 00 24 00 mptbase: ioc0: Initiating recovery mptscsih: ioc0: Issue of TaskMgmt failed! mptscsih: ioc0: target reset: FAILED (sc=ffff81007eff5d80) mptscsih: ioc0: attempting bus reset! (sc=ffff81007eff5d80) scsi 0:0:15:0: CDB: Inquiry: 12 00 00 00 24 00 mptbase: ioc0: Initiating recovery mptscsih: ioc0: Issue of TaskMgmt failed! mptscsih: ioc0: bus reset: FAILED (sc=ffff81007eff5d80) mptscsih: ioc0: attempting host reset! (sc=ffff81007eff5d80) mptbase: ioc0: Initiating recovery mptscsih: ioc0: host reset: SUCCESS (sc=ffff81007eff5d80) scsi 0:0:15:0: Device offlined - not ready after error recovery Loading scsi_transport_fc.ko module Loading qla2xxx.ko module Booting 2.6.25 works and looks like this: Loading scsi_mod.ko module SCSI subsystem initialized Loading sd_mod.ko module Driver 'sd' needs updating - please use bus_type methods Loading mptbase.ko module Fusion MPT base driver 3.04.06 Copyright (c) 1999-2007 LSI Corporation Loading scsi_transport_spi.ko module Loading mptscsih.ko module Loading mptspi.ko module Fusion MPT SPI Host driver 3.04.06 ACPI: PCI Interrupt 0000:86:01.0[A] -> GSI 32 (level, low) -> IRQ 32 mptbase: ioc0: Initiating bringup ioc0: LSI53C1030 B2: Capabilities={Initiator,Target} scsi0 : ioc0: LSI53C1030 B2, FwRev=01032700h, Ports=1, MaxQ=255, IRQ=32 scsi 0:0:0:0: Direct-Access COMPAQ BF03698578 HPB2 PQ: 0 ANSI: 3 target0:0:0: Beginning Domain Validation target0:0:0: Ending Domain Validation target0:0:0: FAST-160 WIDE SCSI 320.0 MB/s DT IU QAS RTI WRFLOW PCOMP (6.25 ns, offset 127) sd 0:0:0:0: [sda] 71132000 512-byte hardware sectors (36420 MB) sd 0:0:0:0: [sda] Write Protect is off sd 0:0:0:0: [sda] Mode Sense: cf 00 10 08 sd 0:0:0:0: [sda] Write cache: disabled, read cache: enabled, supports DPO and FUA sd 0:0:0:0: [sda] 71132000 512-byte hardware sectors (36420 MB) sd 0:0:0:0: [sda] Write Protect is off sd 0:0:0:0: [sda] Mode Sense: cf 00 10 08 sd 0:0:0:0: [sda] Write cache: disabled, read cache: enabled, supports DPO and FUA sda: sda1 sda2 sd 0:0:0:0: [sda] Attached SCSI disk Loading scsi_transport_fc.ko module Loading qla2xxx.ko module -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html