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Bug#375092: marked as done ([powerpc] kernel 2.6 IPS driver failure with IBM ServeRAID 4H adapter)

Your message dated Fri, 1 Jun 2012 10:16:50 -0500
with message-id <20120601151650.GA30868@burratino>
and subject line Re: [powerpc] kernel 2.6 IPS driver failure with IBM ServeRAID 4H adapter
has caused the Debian Bug report #375092,
regarding [powerpc] kernel 2.6 IPS driver failure with IBM ServeRAID 4H adapter
to be marked as done.

This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.

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-- 
375092: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=375092
Debian Bug Tracking System
Contact owner@bugs.debian.org with problems
--- Begin Message --- 
Package: linux-2.6 for PowerPC
Version: 2.6.16

When loading IPS driver for IBM ServeRAID adapter on an IBM 7025-F50
machine, following errors are being recorded in system loag and driver
fails to load:
[quote dmesg]
PCI: Enabling device 0001:40:0c.0 (0140 -> 0143)
st: Version 20050830, fixed bufsize 32768, s/g segs 256
st 2:0:5:0: Attached scsi tape st0<4>st0: try direct i/o: yes (alignment 512 B)
BUG: soft lockup detected on CPU#0!
NIP: C000C738 LR: F21B8104 CTR: C000C754
REGS: cf619d10 TRAP: 0901   Not tainted  (2.6.16-2-powerpc)
MSR: 00009032 <EE,ME,IR,DR>  CR: 42008428  XER: 00000000
TASK = c2410c30[9666] 'modprobe' THREAD: cf618000
GPR00: 00007EF7 CF619DC0 C2410C30 0000A028 CF601000 0000003C 00000001 000001DD
GPR08: 00000004 224B4A2F 00000006 C000C754 42002488
NIP [C000C738] __delay+0x40/0x5c
LR [F21B8104] ips_send_wait+0xb0/0xec [ips]
Call Trace:
[CF619DC0] [F21B80FC] ips_send_wait+0xa8/0xec [ips] (unreliable)
[CF619DE0] [F21B8A30] ips_insert_device+0x160/0xe64 [ips]
[CF619E20] [C00FE670] pci_device_probe+0x6c/0xa0
[CF619E40] [C017AE14] driver_probe_device+0x6c/0x100
[CF619E60] [C017AFD8] __driver_attach+0x84/0xe8
[CF619E80] [C017A1B4] bus_for_each_dev+0x50/0x90
[CF619EB0] [C017AC78] driver_attach+0x24/0x34
[CF619EC0] [C017A550] bus_add_driver+0x7c/0x138
[CF619EE0] [C017B514] driver_register+0xac/0xc0
[CF619EF0] [C00FE124] __pci_register_driver+0x7c/0xbc
[CF619F00] [F20C8028] ips_module_init+0x28/0x300 [ips]
[CF619F20] [C004B8E4] sys_init_module+0x15c/0x2c0
[CF619F40] [C000FEF4] ret_from_syscall+0x0/0x40
--- Exception: c01 at 0xff752d8
    LR = 0x100031d4
Instruction dump:
40820028 7d4502a6 7c0502a6 7d2a0051 3d693b9b 40800008 392bca00 7f891840
4c9c0020 4bffffe4 7d2c42e6 48000008 <7c210b78> 7c0c42e6 7c090050 7f801840
ips 0001:40:0c.0: unable to read config from controller.
ips 0001:40:0c.0: Unable to initialize controller
ips: probe of 0001:40:0c.0 failed with error -1
ips 0001:40:0c.0: Couldn't allocate IO space feffe800 len 256.
ips: probe of 0001:40:0c.0 failed with error -1
ips 0001:40:0c.0: Couldn't allocate IO Memory space d7f00000 len 1048576.
ips: probe of 0001:40:0c.0 failed with error -1
ips 0001:40:0c.0: Couldn't allocate IO Memory space d7f00000 len 1048576.
ips: probe of 0001:40:0c.0 failed with error -1
[unquote]

The device itself (as described by lspci):
[quote lspci -v]
0001:40:0c.0 RAID bus controller: IBM SCSI RAID Adapter [ServeRAID] (rev 10)
        Subsystem: IBM Unknown device 022e
        Flags: medium devsel, IRQ 23
        I/O ports at e4000800 [size=256]
        Memory at d7f00000 (32-bit, non-prefetchable) [size=1M]
        Expansion ROM at d7eb8000 [disabled] [size=32K]
        Capabilities: [40] Vital Product Data
        Capabilities: [48] Power Management version 2

[unquote]
Not sure why lspci shows IBM Unknown device, as in Fedora Core 5 for
powerpc it is shown correctly as 'Subsystem: IBM ServeRAID-4H'.

I am using 'Debian GNU/Linux testing "Etch" - Official Snapshot powerpc' downloaded 23/06/2006.
Same IPS driver behaviour exhibited on official 'sarge' 3.1r2 netboot CD.

Kind regards,

Alex

--- End Message ---
--- Begin Message --- 
Version: 2.6.20-1

Hi Alex,

AlexB wrote:

> st 2:0:5:0: Attached scsi tape st0<4>st0: try direct i/o: yes (alignment 512 B)
> BUG: soft lockup detected on CPU#0!
> NIP: C000C738 LR: F21B8104 CTR: C000C754
> REGS: cf619d10 TRAP: 0901   Not tainted  (2.6.16-2-powerpc)
> MSR: 00009032 <EE,ME,IR,DR>  CR: 42008428  XER: 00000000
> TASK = c2410c30[9666] 'modprobe' THREAD: cf618000
> GPR00: 00007EF7 CF619DC0 C2410C30 0000A028 CF601000 0000003C 00000001 000001DD
> GPR08: 00000004 224B4A2F 00000006 C000C754 42002488
> NIP [C000C738] __delay+0x40/0x5c
> LR [F21B8104] ips_send_wait+0xb0/0xec [ips]
> Call Trace:
> [CF619DC0] [F21B80FC] ips_send_wait+0xa8/0xec [ips] (unreliable)
> [CF619DE0] [F21B8A30] ips_insert_device+0x160/0xe64 [ips]
> [CF619E20] [C00FE670] pci_device_probe+0x6c/0xa0
> [CF619E40] [C017AE14] driver_probe_device+0x6c/0x100
> [CF619E60] [C017AFD8] __driver_attach+0x84/0xe8
> [CF619E80] [C017A1B4] bus_for_each_dev+0x50/0x90
> [CF619EB0] [C017AC78] driver_attach+0x24/0x34
> [CF619EC0] [C017A550] bus_add_driver+0x7c/0x138
> [CF619EE0] [C017B514] driver_register+0xac/0xc0
> [CF619EF0] [C00FE124] __pci_register_driver+0x7c/0xbc
> [CF619F00] [F20C8028] ips_module_init+0x28/0x300 [ips]
> [CF619F20] [C004B8E4] sys_init_module+0x15c/0x2c0

Thanks for a clear report, and sorry we lost track of it.

This was hopefully fixed by v2.6.20-rc2~6^2~13^2~5^2~58 ([SCSI] ips:
fix soft lockup during reset initialization, 2006-11-08).  Closing,
but confirmation either way about the fix would be welcome.

Hope that helps,
Jonathan

--- End Message ---
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