On Thu 14 Feb at 20:48:38 +0900 [EMAIL PROTECTED] said:
>
> I have a slight doubt on the breakup code though I'm not sure you hit
> the code. Reverting only the breakup part works? The patch is against
> 2.6.24.
I've tested this revert you posted. Essentially the same trace is logged
(see below). The machine doesn't die though. But /proc/scsi/scsi doesn't
show the hardware and I am getting an additional trace dumped now (see
futher below).
Feb 14 16:04:13 ipstest kernel: [ 1046.531180] ACPI: PCI Interrupt
0000:02:01.0[A] -> GSI 18 (level, low) -> IRQ 18
Feb 14 16:04:13 ipstest kernel: [ 1046.553420] scsi3 : IBM PCI ServeRAID
7.12.05 Build 761 <ServeRAID 4Mx>
Feb 14 16:04:13 ipstest kernel: [ 1046.554103] PGD 7cc1f067 PUD 7c4f6067 PMD 0
Feb 14 16:04:13 ipstest kernel: [ 1046.554348] CPU 0
Feb 14 16:04:13 ipstest kernel: [ 1046.554460] Modules linked in: ips aic94xx
Feb 14 16:04:13 ipstest kernel: [ 1046.554587] Pid: 4476, comm: scsi_scan_3 Not
tainted 2.6.24-fujita-revert-breakup #1
Feb 14 16:04:13 ipstest kernel: [ 1046.554827] RIP: 0010:[check_addr+16/80]
[check_addr+16/80] check_addr+0x10/0x50
Feb 14 16:04:13 ipstest kernel: [ 1046.555079] RSP: 0018:ffff81007b0f78f0
EFLAGS: 00010082
Feb 14 16:04:13 ipstest kernel: [ 1046.555208] RAX: 0000000000000000 RBX:
ffff81007b92a300 RCX: 0000000000000024
Feb 14 16:04:13 ipstest kernel: [ 1046.555350] RDX: 000000007b92a600 RSI:
ffffffff807a7340 RDI: ffffffff806e7f43
Feb 14 16:04:13 ipstest kernel: [ 1046.555494] RBP: ffff81007b0f78f0 R08:
0000000000000500 R09: 0000000000000000
Feb 14 16:04:13 ipstest kernel: [ 1046.555632] R10: ffff81007c463b38 R11:
0000000000000060 R12: 0000000000000000
Feb 14 16:04:13 ipstest kernel: [ 1046.555784] R13: 0000000000000001 R14:
ffffffff807a7340 R15: ffff81007c463a80
Feb 14 16:04:13 ipstest kernel: [ 1046.555924] FS: 0000000000000000(0000)
GS:ffffffff807d6000(0000) knlGS:0000000000000000
Feb 14 16:04:13 ipstest kernel: [ 1046.556173] CS: 0010 DS: 0018 ES: 0018 CR0:
000000008005003b
Feb 14 16:04:13 ipstest kernel: [ 1046.556306] CR2: 0000000000000000 CR3:
000000007cd02000 CR4: 00000000000006e0
Feb 14 16:04:13 ipstest kernel: [ 1046.556443] DR0: 0000000000000000 DR1:
0000000000000000 DR2: 0000000000000000
Feb 14 16:04:13 ipstest kernel: [ 1046.556582] DR3: 0000000000000000 DR6:
00000000ffff0ff0 DR7: 0000000000000400
Feb 14 16:04:13 ipstest kernel: [ 1046.556731] Process scsi_scan_3 (pid: 4476,
threadinfo ffff81007b0f6000, task ffff81007b9295c0)
Feb 14 16:04:13 ipstest kernel: [ 1046.556972] Stack: ffff81007b0f7920
ffffffff80213118 ffff81007c463a80 ffff81007b0fcf50
Feb 14 16:04:13 ipstest kernel: [ 1046.557221] 0000000000000000
ffff81007cd14450 ffff81007b0f7930 ffffffff8047a4c2
Feb 14 16:04:13 ipstest kernel: [ 1046.557463] ffff81007b0f79b0
ffffffff8801c28e ffff81007c463ae8 000000017c463ae8
Feb 14 16:04:13 ipstest kernel: [ 1046.557603] Call Trace:
Feb 14 16:04:13 ipstest kernel: [ 1046.557830] [nommu_map_sg+104/176]
nommu_map_sg+0x68/0xb0
Feb 14 16:04:13 ipstest kernel: [ 1046.557949] [scsi_dma_map+66/96]
scsi_dma_map+0x42/0x60
Feb 14 16:04:13 ipstest kernel: [ 1046.558083] [_end+124740294/2127405112]
:ips:ips_next+0x33e/0xc10
Feb 14 16:04:13 ipstest kernel: [ 1046.558205] [scsi_done+0/48]
scsi_done+0x0/0x30
Feb 14 16:04:13 ipstest kernel: [ 1046.558332] [_end+124752974/2127405112]
:ips:ips_queue+0x106/0x1f0
Feb 14 16:04:13 ipstest kernel: [ 1046.558459] [scsi_dispatch_cmd+453/736]
scsi_dispatch_cmd+0x1c5/0x2e0
Feb 14 16:04:13 ipstest kernel: [ 1046.558589] [scsi_request_fn+491/976]
scsi_request_fn+0x1eb/0x3d0
Feb 14 16:04:13 ipstest kernel: [ 1046.558725] [__generic_unplug_device+37/48]
__generic_unplug_device+0x25/0x30
Feb 14 16:04:13 ipstest kernel: [ 1046.558851] [blk_execute_rq_nowait+99/176]
blk_execute_rq_nowait+0x63/0xb0
Feb 14 16:04:13 ipstest kernel: [ 1046.558982] [blk_execute_rq+122/224]
blk_execute_rq+0x7a/0xe0
Feb 14 16:04:13 ipstest kernel: [ 1046.559110] [scsi_execute+240/288]
scsi_execute+0xf0/0x120
Feb 14 16:04:13 ipstest kernel: [ 1046.559237] [scsi_execute_req+134/240]
scsi_execute_req+0x86/0xf0
Feb 14 16:04:13 ipstest kernel: [ 1046.559366]
[scsi_probe_and_add_lun+594/3472] scsi_probe_and_add_lun+0x252/0xd90
Feb 14 16:04:13 ipstest kernel: [ 1046.559501] [sas_expander_match+27/160]
sas_expander_match+0x1b/0xa0
Feb 14 16:04:13 ipstest kernel: [ 1046.559633] [get_device+23/32]
get_device+0x17/0x20
Feb 14 16:04:13 ipstest kernel: [ 1046.559755] [__scsi_scan_target+220/1680]
__scsi_scan_target+0xdc/0x690
Feb 14 16:04:13 ipstest kernel: [ 1046.559887] [enqueue_task_fair+32/64]
enqueue_task_fair+0x20/0x40
Feb 14 16:04:13 ipstest kernel: [ 1046.560019] [enqueue_task+19/48]
enqueue_task+0x13/0x30
Feb 14 16:04:13 ipstest kernel: [ 1046.560141] [update_curr+101/192]
update_curr+0x65/0xc0
Feb 14 16:04:13 ipstest kernel: [ 1046.560268] [scsi_scan_channel+139/160]
scsi_scan_channel+0x8b/0xa0
Feb 14 16:04:13 ipstest kernel: [ 1046.560397]
[scsi_scan_host_selected+158/352] scsi_scan_host_selected+0x9e/0x160
Feb 14 16:04:13 ipstest kernel: [ 1046.560532] [thread_return+61/1307]
thread_return+0x3d/0x51b
Feb 14 16:04:13 ipstest kernel: [ 1046.560657] [do_scan_async+0/384]
do_scan_async+0x0/0x180
Feb 14 16:04:13 ipstest kernel: [ 1046.560784] [do_scsi_scan_host+126/128]
do_scsi_scan_host+0x7e/0x80
Feb 14 16:04:13 ipstest kernel: [ 1046.560913] [do_scan_async+29/384]
do_scan_async+0x1d/0x180
Feb 14 16:04:13 ipstest kernel: [ 1046.561041] [do_scan_async+0/384]
do_scan_async+0x0/0x180
Feb 14 16:04:13 ipstest kernel: [ 1046.561172] [kthread+77/128]
kthread+0x4d/0x80
Feb 14 16:04:13 ipstest kernel: [ 1046.561294] [child_rip+10/18]
child_rip+0xa/0x12
Feb 14 16:04:13 ipstest kernel: [ 1046.561417] [kthread+0/128] kthread+0x0/0x80
Feb 14 16:04:13 ipstest kernel: [ 1046.561542] [child_rip+0/18]
child_rip+0x0/0x12
Feb 14 16:04:13 ipstest kernel: [ 1046.561666]
Feb 14 16:04:13 ipstest kernel: [ 1046.561772]
Feb 14 16:04:13 ipstest kernel: [ 1046.561773] Code: 4c 8b 00 48 8d 04 0a 4c 39
c0 76 2b b8 fe ff ff ff 31 f6 49
Feb 14 16:04:13 ipstest kernel: [ 1046.562268] RSP <ffff81007b0f78f0>
Feb 14 16:04:13 ipstest kernel: [ 1046.562853] ---[ end trace 3d5dd58222a8e80a
]---
Feb 14 16:04:28 ipstest kernel: [ 1061.857443] CPU 0:
Feb 14 16:04:28 ipstest kernel: [ 1061.857673] Modules linked in: ips aic94xx
Feb 14 16:04:28 ipstest kernel: [ 1061.857996] Pid: 0, comm: swapper Tainted: G
D 2.6.24-fujita-revert-breakup #1
Feb 14 16:04:28 ipstest kernel: [ 1061.858291] RIP:
0010:[_spin_lock_irqsave+22/48] [_spin_lock_irqsave+22/48]
_spin_lock_irqsave+0x16/0x30
Feb 14 16:04:28 ipstest kernel: [ 1061.858647] RSP: 0018:ffffffff8087fe60
EFLAGS: 00000286
Feb 14 16:04:28 ipstest kernel: [ 1061.858825] RAX: 0000000000000282 RBX:
ffffffff8087fe60 RCX: ffff81007c463ae8
Feb 14 16:04:28 ipstest kernel: [ 1061.859012] RDX: ffff81007cd14000 RSI:
0000000000000001 RDI: ffff81007cd14050
Feb 14 16:04:28 ipstest kernel: [ 1061.859198] RBP: ffffffff8087fde0 R08:
000000000213c81f R09: 0000000000000010
Feb 14 16:04:28 ipstest kernel: [ 1061.859385] R10: 0000000000000005 R11:
0000000000000246 R12: ffffffff8020ced6
Feb 14 16:04:28 ipstest kernel: [ 1061.859572] R13: ffffffff8087fde0 R14:
ffff81007c463a80 R15: ffff81007cd14000
Feb 14 16:04:28 ipstest kernel: [ 1061.859763] FS: 0000000000000000(0000)
GS:ffffffff807d6000(0000) knlGS:0000000000000000
Feb 14 16:04:28 ipstest kernel: [ 1061.860058] CS: 0010 DS: 0018 ES: 0018 CR0:
000000008005003b
Feb 14 16:04:28 ipstest kernel: [ 1061.860240] CR2: 0000000000611ec0 CR3:
000000007c466000 CR4: 00000000000006e0
Feb 14 16:04:28 ipstest kernel: [ 1061.860425] DR0: 0000000000000000 DR1:
0000000000000000 DR2: 0000000000000000
Feb 14 16:04:28 ipstest kernel: [ 1061.860613] DR3: 0000000000000000 DR6:
00000000ffff0ff0 DR7: 0000000000000400
Feb 14 16:04:28 ipstest kernel: [ 1061.860821]
Feb 14 16:04:28 ipstest kernel: [ 1061.860822] Call Trace:
Feb 14 16:04:28 ipstest kernel: [ 1061.861141] <IRQ>
[scsi_eh_scmd_add+62/208] scsi_eh_scmd_add+0x3e/0xd0
Feb 14 16:04:28 ipstest kernel: [ 1061.861390] [scsi_times_out+0/192]
scsi_times_out+0x0/0xc0
Feb 14 16:04:28 ipstest kernel: [ 1061.861573] [scsi_times_out+79/192]
scsi_times_out+0x4f/0xc0
Feb 14 16:04:28 ipstest kernel: [ 1061.861758] [run_timer_softirq+359/464]
run_timer_softirq+0x167/0x1d0
Feb 14 16:04:28 ipstest kernel: [ 1061.861942] [__do_softirq+116/240]
__do_softirq+0x74/0xf0
Feb 14 16:04:28 ipstest kernel: [ 1061.862129] [profile_tick+94/160]
profile_tick+0x5e/0xa0
Feb 14 16:04:28 ipstest kernel: [ 1061.862313] [call_softirq+28/48]
call_softirq+0x1c/0x30
Feb 14 16:04:28 ipstest kernel: [ 1061.862495] [do_softirq+61/144]
do_softirq+0x3d/0x90
Feb 14 16:04:28 ipstest kernel: [ 1061.862676] [irq_exit+69/80]
irq_exit+0x45/0x50
Feb 14 16:04:28 ipstest kernel: [ 1061.862857]
[smp_apic_timer_interrupt+74/112] smp_apic_timer_interrupt+0x4a/0x70
Feb 14 16:04:28 ipstest kernel: [ 1061.863041] [mwait_idle+0/80]
mwait_idle+0x0/0x50
Feb 14 16:04:28 ipstest kernel: [ 1061.863223] [apic_timer_interrupt+102/112]
apic_timer_interrupt+0x66/0x70
Feb 14 16:04:28 ipstest kernel: [ 1061.863403] <EOI> [mwait_idle+70/80]
mwait_idle+0x46/0x50
Feb 14 16:04:28 ipstest kernel: [ 1061.863677] [enter_idle+34/48]
enter_idle+0x22/0x30
Feb 14 16:04:28 ipstest kernel: [ 1061.863857] [cpu_idle+115/160]
cpu_idle+0x73/0xa0
Feb 14 16:04:28 ipstest kernel: [ 1061.864039] [rest_init+90/96]
rest_init+0x5a/0x60
Feb 14 16:04:28 ipstest kernel: [ 1061.864225] [start_kernel+618/752]
start_kernel+0x26a/0x2f0
Feb 14 16:04:28 ipstest kernel: [ 1061.864406] [x86_64_start_kernel+298/320]
_sinittext+0x12a/0x140
Feb 14 16:04:28 ipstest kernel: [ 1061.864585]
That second trace then is repeatedly dumping every 12seconds without end.
--
Tim Pepper <[EMAIL PROTECTED]>
IBM Linux Technology Center
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