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Date: Thu, 23 Jul 2009 20:34:24 -0700 From: Dave Hansen <dave@...ux.vnet.ibm.com> To: James Bottomley <James.Bottomley@...senPartnership.com> Cc: linux-scsi@...r.kernel.orglanga2, Alan Cox <alan@...rguk.ukuu.org.uk>, linux-kernel <linux-kernel@...r.kernel.org> Subject: Panic on IBMMCA SCSI driver with 2.6.30 No, this isn't a joke. I actually still have an IBM 9595, and I've been running 2.4 on it all this time. A friend of mine tried to upgrade one to 2.6 and couldn't get it to boot. I managed to get a bit of serial console output of the error it is throwing. I don't speak SCSI very well, so I'm hoping that you guys might have some insight. I added all the debug output that I could find. I actually have a tiny compile fix or two for the debug code that I'll send along in a bit. I'm sure the other 3 MCA users will appreciate it. Alan and James, you touched the file last, so you *must* be experts on it, right? ;) IBM MCA SCSI: Version 4.0b-ac IBM MCA SCSI: IBM SCSI-2 F/W Adapter found, io=0x3540, scsi id=7, ROM Addr.=off,<7> port-offset=0x0, subsystem=enabled. IBM MCA SCSI: Control Register contents: 3, status: 4 IBM MCA SCSI: This adapters' POS-registers: fc 8e f1 ec 3c c7 0 ff IBM MCA SCSI: SCSI-Cache bits: 1111111111111111 IBM MCA SCSI: SCSI-Retry bits: 0000000000000000 IBM MCA SCSI: Separate bus mode (wide-addressing enabled) IBM MCA SCSI: Sync.-Rate (F/W: 20, Int.: 10, Ext.: 5.00) MBytes/s IBM MCA SCSI: Current SCSI-host index: 0 IBM MCA SCSI: Removing default logical SCSI-device mapping................ IBM MCA SCSI: Scanning SCSI-devices............................................. IBM MCA SCSI: Mapping SCSI-devices................. IBM MCA SCSI: Device order: IBM/ANSI (pun=7 is first). IBM MCA SCSI: Determined SCSI-device-mapping: Physical SCSI-Device Map Logical SCSI-Device Map ID\LUN 0 1 2 3 4 5 6 7 ID\LUN 0 1 2 3 4 5 6 7 0 - - - - - - - - 0 0 - - - - - - - 1 - - - - - - - - 1 1 - - - - - - - 2 D + + + + + + + 2 2 - - - - - - - 3 - - - - - - - - 3 3 - - - - - - - 4 - - - - - - - - 4 4 - - - - - - - 5 - - - - - - - - 5 5 - - - - - - - 6 - - - - - - - - 6 6 - - - - - - - 7 A A A A A A A A 7 f f f f f f f f 8 - - - - - - - - 8 7 - - - - - - - 9 - - - - - - - - 9 8 - - - - - - - 10 - - - - - - - - 10 9 - - - - - - - 11 - - - - - - - - 11 a - - - - - - - 12 - - - - - - - - 12 b - - - - - - - 13 - - - - - - - - 13 c - - - - - - - 14 - - - - - - - - 14 d - - - - - - - 15 - - - - - - - - 15 e - - - - - - - scsi0 : IBM SCSI-Subsystem issue scsi cmd=12 to ldn=2 IBM MCA SCSI: Fatal Subsystem ERROR! Last cmd=0x12, ena=f600, len=36/8,Blocksize=0, host=c3d0c000, ldn2 Blockcount=0/0 Logical block=0/0 Reason given: COMMAND ERROR IBM MCA SCSI: Subsystem Error-Status follows: Command Type................: 30 Attention Register..........: e2 Basic Control Register......: 3 Interrupt Status Register...: e2 Basic Status Register.......: 4 SCB-Command.................: 1c0b SCB-Enable..................: f600 SCB-logical block address...: 0 SCB-system buffer address...: 3d0c614 SCB-system buffer length....: 8 SCB-tsb address.............: 3d0c5f8 SCB-Chain address...........: 0 SCB-block count.............: 0 SCB-block length............: 0 Send this report to the maintainer. Kernel panic - not syncing: IBM MCA SCSI: Fatal error message from the subsyste! Pid: 0, comm: swapper Not tainted 2.6.30-rc7 #4 Call Trace: [<c0115f8e>] ? panic+0x3e/0x100 [<c0284725>] ? interrupt_handler+0x3a5/0x810 [<c013111a>] ? handle_IRQ_event+0x2a/0xb0 [<c0132707>] ? handle_level_irq+0x47/0x90 [<c0104377>] ? handle_irq+0x17/0x20 [<c010431c>] ? do_IRQ+0x2c/0x70 [<c0103009>] ? common_interrupt+0x29/0x30 [<c0101ba7>] ? cpu_idle+0x17/0x40 [<c04229d6>] ? start_kernel+0x206/0x240 Rebooting in 60 seconds.. -- Dave -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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