Re: DMA_NONE data_direction in scsi

From: Guennadi Liakhovetski
Date: Mon Nov 17 2003 - 16:04:05 EST


On Mon, 17 Nov 2003, Guennadi Liakhovetski wrote:

> While trying to fix tmscsim for 2.6, I've arrived at the Oops below, which

...Oops with some debugging output follow...

Guennadi
---
Guennadi Liakhovetski

DC390(0): IO_PORT=7100,IRQ=b
DC390_init: No EEPROM found! Trying default settings ...
DC390: Used defaults: AdaptID=7, SpeedIdx=0 (10.0 MHz), DevMode=0x1f, AdaptMode=0x0f, TaggedCmnds=3 (16), DelayReset=1s
DC390: pSH = c14ec000, Index 00
DC390: Adapter index 0, ID 7, IO 0x00007100, IRQ 0x0b
DC390: pACB = c14ec204, pDCBmap = c14ec240, pSRB_array = c14ec2ec
DC390: ACB size= 1088, DCB size= 30, SRB size= 50
DC390: 1 adapters found
scsi0 : Tekram DC390/AM53C974 V2.0f 2000-12-20
scsi_wait_req(): direction 2
scsi_do_req(): direction 2
scsi_insert_special_req(): direction 2
scsi_request_fn(): direction 2
scsi_dispatch_cmd(): direction 2
DC390: Queue Cmd=12,Tgt=0,LUN=0 (pid=0), direction=2
DC390_queue_command(): direction 2
DC390: Get Free SRB c14ec2ec
DC390_queue_command(): direction 2
DC390: Free SRB w/o Waiting
dc390_BuildSRB(): direction 2
DC390: We were just reset and don't accept commands yet!
DC390: Insert pSRB c14ec2ec cmd 0 to Waiting
DC390: Debug: Waiting queue woken up by timer!
DC390: Remove SRB c14ec2ec from head of Waiting
DC390: Append SRB c14ec2ec to Going
DISC, SRBdone (00,00000000), SRB c14ec2ec, pid 0
DC390: INQUIRY: result: 00000000
DC390: Remove SRB c14ec2ec from Going
DC390: Free SRB c14ec2ec
Vendor: Model: Rev:
Type: Direct-Access ANSI SCSI revision: 00
scsi_wait_req(): direction 2
scsi_do_req(): direction 2
scsi_insert_special_req(): direction 2
scsi_request_fn(): direction 2
scsi_dispatch_cmd(): direction 2
DC390: Queue Cmd=12,Tgt=1,LUN=0 (pid=1), direction=2
DC390_queue_command(): direction 2
DC390: Get Free SRB c14ec2ec
DC390_queue_command(): direction 2
DC390: Free SRB w/o Waiting
dc390_BuildSRB(): direction 2
DC390: Append SRB c14ec2ec to Going
DISC, SRBdone (ff,00000000), SRB c14ec2ec, pid 1
DC390: INQUIRY: result: 00010000
DC390: Free SRB c14ec2ec
scsi_wait_req(): direction 2
scsi_do_req(): direction 2
scsi_insert_special_req(): direction 2
scsi_request_fn(): direction 2
scsi_dispatch_cmd(): direction 2
DC390: Queue Cmd=12,Tgt=2,LUN=0 (pid=2), direction=2
DC390_queue_command(): direction 2
DC390: Get Free SRB c14ec2ec
DC390_queue_command(): direction 2
DC390: Free SRB w/o Waiting
dc390_BuildSRB(): direction 2
DC390: Append SRB c14ec2ec to Going
DISC, SRBdone (ff,00000000), SRB c14ec2ec, pid 2
DC390: INQUIRY: result: 00010000
DC390: Free SRB c14ec2ec
scsi_wait_req(): direction 2
scsi_do_req(): direction 2
scsi_insert_special_req(): direction 2
scsi_request_fn(): direction 2
scsi_dispatch_cmd(): direction 2
DC390: Queue Cmd=12,Tgt=3,LUN=0 (pid=3), direction=2
DC390_queue_command(): direction 2
DC390: Get Free SRB c14ec2ec
DC390_queue_command(): direction 2
DC390: Free SRB w/o Waiting
dc390_BuildSRB(): direction 2
DC390: Append SRB c14ec2ec to Going
DISC, SRBdone (ff,00000000), SRB c14ec2ec, pid 3
DC390: INQUIRY: result: 00010000
DC390: Free SRB c14ec2ec
scsi_wait_req(): direction 2
scsi_do_req(): direction 2
scsi_insert_special_req(): direction 2
scsi_request_fn(): direction 2
scsi_dispatch_cmd(): direction 2
DC390: Queue Cmd=12,Tgt=4,LUN=0 (pid=4), direction=2
DC390_queue_command(): direction 2
DC390: Get Free SRB c14ec2ec
DC390_queue_command(): direction 2
DC390: Free SRB w/o Waiting
dc390_BuildSRB(): direction 2
DC390: Append SRB c14ec2ec to Going
DISC, SRBdone (ff,00000000), SRB c14ec2ec, pid 4
DC390: INQUIRY: result: 00010000
DC390: Free SRB c14ec2ec
scsi_wait_req(): direction 2
scsi_do_req(): direction 2
scsi_insert_special_req(): direction 2
scsi_request_fn(): direction 2
scsi_dispatch_cmd(): direction 2
DC390: Queue Cmd=12,Tgt=5,LUN=0 (pid=5), direction=2
DC390_queue_command(): direction 2
DC390: Get Free SRB c14ec2ec
DC390_queue_command(): direction 2
DC390: Free SRB w/o Waiting
dc390_BuildSRB(): direction 2
DC390: Append SRB c14ec2ec to Going
DISC, SRBdone (ff,00000000), SRB c14ec2ec, pid 5
DC390: INQUIRY: result: 00010000
DC390: Free SRB c14ec2ec
scsi_wait_req(): direction 2
scsi_do_req(): direction 2
scsi_insert_special_req(): direction 2
scsi_request_fn(): direction 2
scsi_dispatch_cmd(): direction 2
DC390: Queue Cmd=12,Tgt=6,LUN=0 (pid=6), direction=2
DC390_queue_command(): direction 2
DC390: Get Free SRB c14ec2ec
DC390_queue_command(): direction 2
DC390: Free SRB w/o Waiting
dc390_BuildSRB(): direction 2
DC390: Append SRB c14ec2ec to Going
DISC, SRBdone (ff,00000000), SRB c14ec2ec, pid 6
DC390: INQUIRY: result: 00010000
DC390: Free SRB c14ec2ec
sd_revalidate_disk(): direction 0
sd_spinup_disk(): direction 3
scsi_wait_req(): direction 3
scsi_do_req(): direction 3
scsi_insert_special_req(): direction 3
scsi_request_fn(): direction 3
scsi_dispatch_cmd(): direction 3
DC390: Queue Cmd=00,Tgt=0,LUN=0 (pid=7), direction=3
DC390_queue_command(): direction 3
DC390: Get Free SRB c14ec2ec
DC390_queue_command(): direction 3
DC390: Free SRB w/o Waiting
dc390_BuildSRB(): direction 3
------------[ cut here ]------------
kernel BUG at include/asm/dma-mapping.h:53!
invalid operand: 0000 [#1]
CPU: 0
EIP: 0060:[<c0249d6e>] Not tainted
EFLAGS: 00010046
EIP is at dc390_BuildSRB+0xea/0x190
eax: c1027fd8 ebx: c14c8ea8 ecx: c1000000 edx: c0fffdf8
esi: 00000df8 edi: c14ec2ec ebp: c17b3d20 esp: c17b3d00
ds: 007b es: 007b ss: 0068
Process swapper (pid: 1, threadinfo=c17b2000 task=c179e980)
Stack: c032cf56 c032cf47 00000003 c14ec2ec c023f68c c14ec204 c14ec2ec c023f68c
c17b3d44 c024a281 c14c8ea8 c1529610 c14ec2ec 00000293 c14ec000 c14c8ea8
c1529610 c17b3d70 c023f434 c14c8ea8 c023f68c c0322432 c0322420 00000003
Call Trace:
[<c023f68c>] scsi_done+0x0/0x64
[<c023f68c>] scsi_done+0x0/0x64
[<c024a281>] DC390_queue_command+0x325/0x338
[<c023f434>] scsi_dispatch_cmd+0x3a8/0x49c
[<c023f68c>] scsi_done+0x0/0x64
[<c0246293>] scsi_request_fn+0x43f/0x670
[<c02226de>] blk_insert_request+0x116/0x1b4
[<c02445f9>] scsi_insert_special_req+0x39/0x44
[<c0244716>] scsi_do_req+0x7a/0x84
[<c0244943>] scsi_wait_req+0x9b/0xd4
[<c0244720>] scsi_wait_done+0x0/0x188
[<c024ff9f>] sd_spinup_disk+0xb3/0x288
[<c02508f2>] sd_revalidate_disk+0xda/0x144
[<c0250ce5>] sd_probe+0x389/0x43c
[<c021e206>] bus_match+0x32/0x58
[<c021e304>] driver_attach+0x44/0x84
[<c021e58d>] bus_add_driver+0x7d/0x9c
[<c021e937>] driver_register+0x43/0x50
[<c02487d3>] scsi_register_driver+0x13/0x18
[<c03a86d6>] init_sd+0x56/0x70
[<c039673d>] do_initcalls+0x3d/0x98
[<c03967b4>] do_basic_setup+0x1c/0x28
[<c01051cb>] init+0xc3/0x238
[<c0105108>] init+0x0/0x238
[<c0107409>] kernel_thread_helper+0x5/0xc

Code: 0f 0b 35 00 f6 cb 32 c0 29 c8 8d 04 40 89 c2 c1 e2 04 01 d0
<0>Kernel panic: Attempted to kill init!

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