Hi, All I try to patch the 2.6.33.7-rt29 to 2.6.34.6. Now I can boot the kernel successfully without config SCSI. But if I add SCSI support in kernel config it always failed. Detail log is below. Is there any suggestion? Thanks a lot! ======================================= Blackfin support (C) 2004-2010 Analog Devices, Inc. Compiled for ADSP-BF548 Rev 0.2 Blackfin Linux support by http://blackfin.uclinux.org/ Processor Speed: 525 MHz core clock and 131 MHz System Clock NOMPU: setting up cplb tables Instruction Cache Enabled for CPU0 External memory: cacheable in instruction cache L2 SRAM : uncacheable in instruction cache Data Cache Enabled for CPU0 External memory: cacheable (write-through) in data cache L2 SRAM : uncacheable in data cache Built 1 zonelists in Zone order, mobility grouping off. Total pages: 15748 Kernel command line: root=/dev/mtdblock0 rw earlyprintk=serial,uart1,57600 console=ttyBF1,57600 ip=10.100.4.50:10.100.4.174:10.99.29.1:255.255.255.0:bf548-ezkit:eth0:off PID hash table entries: 256 (order: -2, 1024 bytes) Dentry cache hash table entries: 8192 (order: 3, 32768 bytes) Inode-cache hash table entries: 4096 (order: 2, 16384 bytes) Memory available: 52664k/65536k RAM, (7664k init code, 1757k kernel code, 831k data, 2048k dma, 572k reserved) Real-Time Preemption Support (C) 2004-2007 Ingo Molnar Experimental preemptable hierarchical RCU implementation. NR_IRQS:295 Configuring Blackfin Priority Driven Interrupts Console: colour dummy device 80x25 console [ttyBF1] enabled, bootconsole disabled console [ttyBF1] enabled, bootconsole disabled Calibrating delay loop... 1044.48 BogoMIPS (lpj=2088960) Mount-cache hash table entries: 512 Blackfin Scratchpad data SRAM: 4 KB Blackfin L1 Data A SRAM: 16 KB (16 KB free) Blackfin L1 Data B SRAM: 16 KB (16 KB free) Blackfin L1 Instruction SRAM: 48 KB (41 KB free) Blackfin L2 SRAM: 128 KB (128 KB free) NET: Registered protocol family 16 Blackfin DMA Controller ezkit_init(): registering device resources bio: create slab <bio-0> at 0 ------------[ cut here ]------------ Badness at kernel/rcutree_plugin.h:132 ADSP-BF548-0.2 525(MHz CCLK) 131(MHz SCLK) (mpu off) Linux version 2.6.34.6-rt-ADI-2010R1-pre-svn9115 (root@adam-desktop) (gcc version 4.3.5 (ADI-trunk/svn-4813) ) #74 PREEMPT RT Wed Sep 1 17:11:32 CST 2010 SEQUENCER STATUS: Not tainted SEQSTAT: 00000021 IPEND: 8008 IMASK: 003f SYSCFG: 0006 Peripheral interrupts masked off Kernel interrupts masked off EXCAUSE : 0x21 physical IVG3 asserted : <0xffa007c4> { _trap + 0x0 } physical IVG15 asserted : <0xffa010b8> { _evt_system_call + 0x0 } logical irq 6 mapped : <0xffa003fc> { _bfin_coretmr_interrupt + 0x0 } RETE: <0x00000000> /* Maybe null pointer? */ Double Fault Kernel OOPS in progress Deferred Exception context CURRENT PROCESS: COMM= PID=33676352 CPU=0 invalid mm return address: [0x0000776c]; contents of: 0x00007740: 0c05 e10c 7860 e12f 00d0 b1f5 0204 5abc 0x00007750: 9152 e149 0026 e109 7860 3262 443c 084c 0x00007760: 1920 020c 1859 0000 0000 0000 [e425] 003b 0x00007770: 0c05 1bee 321d 6d63 3043 e301 3251 0c00 ADSP-BF548-0.2 525(MHz CCLK) 131(MHz SCLK) (mpu off) Linux version 2.6.34.6-rt-ADI-2010R1-pre-svn9115 (root@adam-desktop) (gcc version 4.3.5 (ADI-trunk/svn-4813) ) #74 PREEMPT RT Wed Sep 1 17:11:32 CST 2010 SEQUENCER STATUS: Not tainted SEQSTAT: 00060024 IPEND: 8028 IMASK: 003f SYSCFG: 0006 Peripheral interrupts masked off Kernel interrupts masked off EXCAUSE : 0x24 physical IVG3 asserted : <0xffa007c4> { _trap + 0x0 } physical IVG5 asserted : <0xffa00dbc> { _evt_ivhw + 0x0 } physical IVG15 asserted : <0xffa010b8> { _evt_system_call + 0x0 } logical irq 6 mapped : <0xffa003fc> { _bfin_coretmr_interrupt + 0x0 } RETE: <0x00000000> /* Maybe null pointer? */ RETN: <0x0201f920> /* kernel dynamic memory (maybe user-space) */ RETX: <0x0000776c> { _decode_address + 0x17c } RETS: <0x0000773a> { _decode_address + 0x14a } PC : <0x0000776c> { _decode_address + 0x17c } DCPLB_FAULT_ADDR: <0x0025cc92> /* kernel dynamic memory (maybe user-space) */ ICPLB_FAULT_ADDR: <0x00034f56> { _rcu_preempt_note_context_switch + 0x10e } PROCESSOR STATE: R0 : 00000000 R1 : 0201e000 R2 : 0201e000 R3 : 00000004 R4 : 00000000 R5 : 0000100d R6 : 0201fd68 R7 : 0201fb11 P0 : 0026c4f8 P1 : 00267860 P2 : 0201d851 P3 : 0201e008 P4 : 0201d781 P5 : 0201fb04 FP : 000000d0 SP : 0201f844 LB0: 000be334 LT0: 000be332 LC0: 00000000 LB1: 000bd312 LT1: 000bd308 LC1: 00000000 B0 : 0000001b L0 : 00000000 M0 : ffffffff I0 : 00000000 B1 : 00000000 L1 : 00000000 M1 : 00000000 I1 : 001c5194 B2 : 00000000 L2 : 00000000 M2 : 00000000 I2 : 00000020 B3 : 00000000 L3 : 00000000 M3 : 00000000 I3 : 0000000f A0.w: 020d0000 A0.x: 00000000 A1.w: 000036da A1.x: 00000000 USP : 00000000 ASTAT: 02003045 Hardware Trace: 0 Target : <0x00003ff8> { _trap_c + 0x0 } Source : <0xffa00758> { _exception_to_level5 + 0xa4 } JUMP.L 1 Target : <0xffa006b4> { _exception_to_level5 + 0x0 } Source : <0xffa00568> { _bfin_return_from_exception + 0x18 } RTX 2 Target : <0xffa00550> { _bfin_return_from_exception + 0x0 } Source : <0xffa0060c> { _ex_trap_c + 0x74 } JUMP.S 3 Target : <0xffa00598> { _ex_trap_c + 0x0 } Source : <0xffa0081e> { _trap + 0x5a } JUMP (P4) 4 Target : <0xffa007c4> { _trap + 0x0 } FAULT : <0x00034f56> { _rcu_preempt_note_context_switch + 0x10e } BUG Source : <0x00034f54> { _rcu_preempt_note_context_switch + 0x10c } IF !CC JUMP pcrel (BP) 5 Target : <0x00034f48> { _rcu_preempt_note_context_switch + 0x100 } Source : <0x00034eec> { _rcu_preempt_note_context_switch + 0xa4 } IF !CC JUMP pcrel 6 Target : <0x00034ec6> { _rcu_preempt_note_context_switch + 0x7e } Source : <0x0000b7a8> { _add_preempt_count + 0x2c } RTS 7 Target : <0x0000b7a4> { _add_preempt_count + 0x28 } Source : <0x0000b7da> { _add_preempt_count + 0x5e } IF CC JUMP pcrel (BP) 8 Target : <0x0000b7d2> { _add_preempt_count + 0x56 } Source : <0x0000b7a2> { _add_preempt_count + 0x26 } IF CC JUMP pcrel 9 Target : <0x0000b790> { _add_preempt_count + 0x14 } Source : <0x0000b7b6> { _add_preempt_count + 0x3a } IF !CC JUMP pcrel (BP) 10 Target : <0x0000b7aa> { _add_preempt_count + 0x2e } Source : <0x0000b78e> { _add_preempt_count + 0x12 } IF CC JUMP pcrel 11 Target : <0x0000b77c> { _add_preempt_count + 0x0 } Source : <0x00034ec2> { _rcu_preempt_note_context_switch + 0x7a } JUMP.L 12 Target : <0x00034eaa> { _rcu_preempt_note_context_switch + 0x62 } Source : <0x00034e68> { _rcu_preempt_note_context_switch + 0x20 } IF CC JUMP pcrel 13 Target : <0x00034e48> { _rcu_preempt_note_context_switch + 0x0 } Source : <0x00034f88> { _rcu_sched_qs + 0x14 } CALL pcrel 14 Target : <0x00034f74> { _rcu_sched_qs + 0x0 } Source : <0x001b668a> { ___schedule + 0xe } JUMP.L 15 Target : <0x001b6686> { ___schedule + 0xa } Source : <0x000c15f8> { _debug_smp_processor_id + 0x20 } RTS Kernel panic - not syncing: Double Fault - unrecoverable event -- Regards, --Bob -- To unsubscribe from this list: send the line "unsubscribe linux-rt-users" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
