On Fri, 15 Apr 2011, James Bottomley wrote:
> I find that the combination of the two patches cures all the segfaults
> I've been seeing in normal compiles and git operations.
In testing, I haven't had any segfaults but there have been a couple
of hpmcs while running the libgomp testsuite. This tests quite extensively
the LWS code.
I caught on hpmc in flush_instruction_cache_local:
0000000040101184 <flush_instruction_cache_local>:
40101184: 00 00 58 20 mtsp r0,sr1
40101188: 20 3b f8 08 ldil L%404f7800,r1
4010118c: 34 21 03 a0 ldo 1d0(r1),r1
40101190: 50 3a 00 20 ldd 10(r1),r26
40101194: 50 39 00 30 ldd 18(r1),r25
40101198: 50 38 00 40 ldd 20(r1),r24
4010119c: 50 37 00 50 ldd 28(r1),r23
401011a0: 00 01 0e 76 rsm 1,r22
401011a4: a6 ff a0 28 addib,*= -1,r23,401011c0 <fioneloop>
401011a8: cb f7 40 32 movb,<,n r23,r31,401011c8 <fisync>
00000000401011ac <fimanyloop>:
401011ac: af ff ff f5 addib,*> -1,r31,401011ac <fimanyloop>
401011b0: 07 40 42 c0 fice r0(sr1,r26)
401011b4: 07 59 42 e0 fice,m r25(sr1,r26)
401011b8: cb f7 9f dd movb,tr r23,r31,401011ac <fimanyloop>
401011bc: a7 1f e0 0a addib,*<=,n -1,r24,401011c8 <fisync>
00000000401011c0 <fioneloop>:
401011c0: af 1f ff f5 addib,*> -1,r24,401011c0 <fioneloop>
=> 401011c4: 07 59 42 e0 fice,m r25(sr1,r26)
00000000401011c8 <fisync>:
401011c8: 00 00 04 00 sync
401011cc: 00 16 18 60 mtsm r22
401011d0: e8 40 c0 00 bv r0(rp)
401011d4: 08 00 02 40 nop
Dave
--
J. David Anglin dave.anglin@xxxxxxxxxxxxxx
National Research Council of Canada (613) 990-0752 (FAX: 952-6602)
PROCESSOR PIM INFORMATION
Original Product Number: A7136A
Current Product Number: A7136A
----------------- Processor 0 HPMC Information - PDC Version: 46.34 ------
Timestamp = Wed Apr 20 11:57:24 GMT 2011 (20:11:04:20:11:57:24)
HPMC Chassis Codes
Chassis Code Extension
------------ ---------
0xe800035c00e00000 0x00000000401011c4
0x57000f7300e00000 0x8400000000800000
0xf600105e00e00000 0xfffffff0f0c00000
0x140003b200e00000 0x000000000000000b
0x5600100b00e00000 0x0000000000000194
0x5600106400e00000 0xfffffff0f0435110
General Registers 0 - 31
00-03 0000000000000000 00000000404f79d0 000000004011c1e8 00000000405cbe40
04-07 0000000040613d80 0000000000000000 000000000800000f 000000027bed5080
08-11 0000000040462d98 0000000000000000 00000002bf9c6540 0000000000000001
12-15 000000027be61980 000000007d65d240 0000000000000002 000000000000005e
16-19 0000000040623d80 0000000040623d80 000000004051c8fc 00000000ffffffff
20-23 0000000000000000 ffffffffffffffff 000000000800000e 0000000000000000
24-27 000000000000d2f8 0000000000000080 0000000001968380 0000000040613d80
28-31 0000000000000000 0000000172d6ca80 0000000172d6cab0 0000000000000000
Control Registers 0 - 31
00-03 0000000000000000 0000000000000000 0000000000000000 0000000000000000
04-07 0000000000000000 0000000000000000 0000000000000000 0000000000000000
08-11 0000000000003b5e 0000000000000000 00000000000000c0 0000000000000020
12-15 0000000000000000 0000000000000000 0000000000103000 ffe0000000000000
16-19 00006437fdcb5220 0000000000000000 00000000401011c4 00000000075942e0
20-23 0000000015340006 000000005a168380 000000ff080cff0e 8000000000000000
24-27 0000000000573000 000000027fb92000 fffdffffffdfffef 0000000040002780
28-31 0000000040001540 ffffffffffffff7f 0000000172d6c000 886904b488140042
Space Registers 0 - 7
00-03 0000000000ed7000 0000000000000000 0000000000000000 0000000000ed7800
04-07 0000000000000000 0000000000000000 0000000000000000 0000000000000000
IIA Space (back entry) = 0x0000000000000000
IIA Offset (back entry) = 0x00000000401011c0
Check Type = 0x00000000
Cpu State = 0x9e000000
Cache Check = 0x00000000
TLB Check = 0x00000000
Bus Check = 0x00000000
Assists Check = 0x00ed7800
Assist State = 0x00000000
Path Info = 0x00000000
System Responder Address = 0x0000000000000000
System Requestor Address = 0x0000000000000000
Floating Point Registers 0 - 31
00-03 0000000000000000 0000000000000000 0000000000000000 0000000000000000
04-07 0000000000000000 0000000000000000 0000000000000001 4090000000000000
08-11 0000000000032000 0000000040662000 0000000040613d80 0000000040662000
12-15 00000001c0000000 000000004062e580 0000000000000000 0000000040661340
16-19 0000000000000000 0000000040501680 00000000401fb5c0 000000007f0b4000
20-23 00000000401ad2c0 0000000000000000 0000000000000070 0000000000000000
24-27 0000000000000000 0000000000000000 0000000000000000 000000007f08c3a0
28-31 000000004051c1dc 000000000000002f 00000000405b2274 00000000405b2248
PIM Revision = 0x0000000000000001
CPU ID = 0x0000000000000014
CPU Revision = 0x0000000000000031
Cpu Serial Number = 0x46100b89e43f0503
Check Summary = 0x8400000000800000
SAL Timestamp = 0x000000004daeca24
System Firmware Rev. = 0x00000ba20000121a
PDC Relocation Address = 0xfffffff0f0c00000
Available Memory = 0x000000027fe00000
CPU Diagnose Register 2 = 0x3112022000002008
MIB_STAT = 0x0000000000000000
MIB_LOG1 = 0x0000000000555500
MIB_LOG2 = 0x0000800000000000
MIB_ECC_DATA = 0x808800007fffbfd8
ICache Info = 0x0000000000000000
DCache Info = 0x0000000000000000
Sharedcache Info1 = 0x0800000000440000
Sharedcache Info2 = 0x00000000000000c0
MIB_RSLOG1 = 0x0000008000000104
MIB_RSLOG2 = 0x0021010000000000
MIB_RQLOG = 0x0045200000082600
MIB_REQLOGa = 0x8004520000008200
MIB_REQLOGb = 0xc10008a400000100
Reserved = 0x0000000000000000
Cache Repair Detail = 0x0000000000000000
PIM Detail Text:
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