* Dan Williams <dan.j.williams@xxxxxxxxx> [2007-03-06 20:23]: > Martin can you give the attached patch a try to see if it resolves the > oops? It has only been compile tested. The patch spins the processor > on the ATU outbound-queue-busy bit whenever out*() is called. Nope, that doesn't seem to work: Linux version 2.6.21-rc3 (tbm@em64t) (gcc version 4.1.2 20061028 (prerelease) (Debian 4.1.1-19)) #23 Wed Mar 7 12:33:00 UTC 2007 CPU: XScale-V3 based processor [69056818] revision 8 (ARMv5TE), cr=0400397f Machine: Intel IQ81340MC Memory policy: ECC disabled, Data cache writeback CPU0: D VIVT undefined 5 cache CPU0: I cache: 32768 bytes, associativity 4, 32 byte lines, 256 sets CPU0: D cache: 32768 bytes, associativity 4, 32 byte lines, 256 sets Built 1 zonelists. Total pages: 65024 Kernel command line: console=ttyS1,115200 root=/dev/ram0 PID hash table entries: 1024 (order: 10, 4096 bytes) Console: colour dummy device 80x30 Dentry cache hash table entries: 32768 (order: 5, 131072 bytes) Inode-cache hash table entries: 16384 (order: 4, 65536 bytes) Memory: 256MB = 256MB total Memory: 255744KB available (3624K code, 273K data, 128K init) Mount-cache hash table entries: 512 CPU: Testing write buffer coherency: ok NET: Registered protocol family 16 PCI: bus0: Fast back to back transfers disabled PCI: bus1: Fast back to back transfers enabled ATUX: Initialized (16M @ resource/virtual: 80000000/51000000) ATUE: Initialized (0M @ resource/virtual: c0000000/00000000) SCSI subsystem initialized NET: Registered protocol family 2 IP route cache hash table entries: 2048 (order: 1, 8192 bytes) TCP established hash table entries: 8192 (order: 4, 65536 bytes) TCP bind hash table entries: 8192 (order: 3, 32768 bytes) TCP: Hash tables configured (established 8192 bind 8192) TCP reno registered NetWinder Floating Point Emulator V0.97 (double precision) Installing knfsd (copyright (C) 1996 okir@xxxxxxxxxxxx). JFFS2 version 2.2. (NAND) (C) 2001-2006 Red Hat, Inc. io scheduler noop registered io scheduler deadline registered (default) Serial: 8250/16550 driver $Revision: 1.90 $ 2 ports, IRQ sharing disabled serial8250.0: ttyS0 at MMIO 0xffd82340 (irq = 52) is a XScale serial8250.1: ttyS1 at MMIO 0xffd82300 (irq = 51) is a XScale RAMDISK driver initialized: 2 RAM disks of 8192K size 1024 blocksize nbd: registered device at major 43 Intel(R) PRO/1000 Network Driver - version 7.3.20-k2-NAPI Copyright (c) 1999-2006 Intel Corporation. e1000: 0000:00:02.0: e1000_probe: (PCI:33MHz:64-bit) 00:0e:0c:b9:ab:72 e1000: eth0: e1000_probe: Intel(R) PRO/1000 Network Connection e1000: 0000:00:02.1: e1000_probe: (PCI:33MHz:64-bit) 00:0e:0c:b9:ab:73 e1000: eth1: e1000_probe: Intel(R) PRO/1000 Network Connection Loading iSCSI transport class v2.0-724. sata_via 0000:00:01.0: routed to hard irq line 9 ata1: SATA max UDMA/133 cmd 0xfffb04a0 ctl 0xfffb04aa bmdma 0xfffb0480 irq 25 Unhandled fault: imprecise external abort (0x406) at 0x23212064 Internal error: : 406 [#1] Modules linked in: CPU: 0 PC is at ata_bmdma_freeze+0x3c/0x50 LR is at __iop13xx_io+0x14/0x4c pc : [<401e9b30>] lr : [<4003372c>] Not tainted sp : 40651dbc ip : 40651d98 fp : 40651dcc r10: 4fce1cf0 r9 : 4fce1cec r8 : 00000001 r7 : 4fcd440c r6 : 406702b4 r5 : 00000053 r4 : 406702b4 r3 : 00000001 r2 : fffe04a7 r1 : fee80074 r0 : fec604a7 Flags: nZCv IRQs off FIQs on Mode SVC_32 Segment kernel Control: 400397F Table: 00004018 DAC: 00000035 Process swapper (pid: 1, stack limit = 0x40650250) Stack: (0x40651dbc to 0x40652000) 1da0: 406702b4 1dc0: 40651de0 40651dd0 401ea07c 401e9b00 20000013 40651df4 40651de4 401ea0d4 1de0: 401ea040 00000001 40651e3c 40651df8 401e4448 401ea0b4 fffb04a0 fffb04aa 1e00: fffb0480 00000019 4062e848 00000019 40651e5a 4062e8ec 00000000 40651e5a 1e20: 4062e800 00000003 4fcd440c 4062e848 40651e84 40651e40 401ec984 401e422c 1e40: 40651e60 40651e50 40174c78 40175b50 4062e800 40651e70 40f11e64 403c8fc8 1e60: 4062e800 00000000 00000000 403eb0a4 40023884 4062e8ec 40651ea4 40651e88 1e80: 40187938 401ec6d4 4062e848 4062e848 4fce3fc0 403c8ffc 40651ecc 40651ea8 1ea0: 401acce8 401878dc 403c8ffc 4062e848 4fce3fc0 401acf90 40023884 400233b0 1ec0: 40651ee8 40651ed0 401ace94 401acc7c 4062e920 4062e848 403c8ffc 40651f00 1ee0: 40651eec 401ad074 401ace08 00000000 40651f04 40651f2c 40651f04 401ac13c 1f00: 401acf9c 403c0fc0 403c0fc0 4062e890 403c8ffc 403c9010 403c0ec0 00000000 1f20: 40651f3c 40651f30 401acb88 401ac0f4 40651f60 40651f40 401ac4c8 401acb74 1f40: 403c8ffc 00000000 403c8ffc 00000000 40023884 40651f74 40651f64 401ad29c 1f60: 401ac464 403c8fc8 40651f90 40651f78 40187b18 401ad248 40023328 00000000 1f80: 40650000 40651fa0 40651f94 4001df78 40187aa4 40651ff4 40651fa4 400087a0 1fa0: 4001df68 40651fb0 40028c44 4003b8b8 00000000 00000000 40008724 40041a44 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 40651ff8 40041a44 40008730 00000000 00000000 Backtrace: [<401e9af4>] (ata_bmdma_freeze+0x0/0x50) from [<401ea07c>] (__ata_port_freeze+0x48/0x74) r4 = 406702B4 [<401ea034>] (__ata_port_freeze+0x0/0x74) from [<401ea0d4>] (ata_eh_freeze_port+0x2c/0x44) r4 = 20000013 [<401ea0a8>] (ata_eh_freeze_port+0x0/0x44) from [<401e4448>] (ata_device_add+0x228/0x4e4) r4 = 00000001 [<401e4220>] (ata_device_add+0x0/0x4e4) from [<401ec984>] (svia_init_one+0x2bc/0x57c) [<401ec6c8>] (svia_init_one+0x0/0x57c) from [<40187938>] (pci_device_probe+0x68/0x8c) [<401878d0>] (pci_device_probe+0x0/0x8c) from [<401acce8>] (really_probe+0x78/0x18c) r7 = 403C8FFC r6 = 4FCE3FC0 r5 = 4062E848 r4 = 4062E848 [<401acc70>] (really_probe+0x0/0x18c) from [<401ace94>] (driver_probe_device+0x98/0xc4) [<401acdfc>] (driver_probe_device+0x0/0xc4) from [<401ad074>] (__driver_attach+0xe4/0xe8) r6 = 403C8FFC r5 = 4062E848 r4 = 4062E920 [<401acf90>] (__driver_attach+0x0/0xe8) from [<401ac13c>] (bus_for_each_dev+0x54/0x80) r5 = 40651F04 r4 = 00000000 [<401ac0e8>] (bus_for_each_dev+0x0/0x80) from [<401acb88>] (driver_attach+0x20/0x28) r7 = 00000000 r6 = 403C0EC0 r5 = 403C9010 r4 = 403C8FFC [<401acb68>] (driver_attach+0x0/0x28) from [<401ac4c8>] (bus_add_driver+0x70/0x194) [<401ac458>] (bus_add_driver+0x0/0x194) from [<401ad29c>] (driver_register+0x60/0x9c) r8 = 40023884 r7 = 00000000 r6 = 403C8FFC r5 = 00000000 r4 = 403C8FFC [<401ad23c>] (driver_register+0x0/0x9c) from [<40187b18>] (__pci_register_driver+0x80/0xc8) r4 = 403C8FC8 [<40187a98>] (__pci_register_driver+0x0/0xc8) from [<4001df78>] (svia_init+0x1c/0x28) r6 = 40650000 r5 = 00000000 r4 = 40023328 [<4001df5c>] (svia_init+0x0/0x28) from [<400087a0>] (init+0x7c/0x1d4) [<40008724>] (init+0x0/0x1d4) from [<40041a44>] (do_exit+0x0/0x880) Code: e5943004 e1a00004 e1a0e00f e593f020 (e1a00004) Kernel panic - not syncing: Attempted to kill init! -- Martin Michlmayr http://www.cyrius.com/ - 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
