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<p class=MsoNormal><span style='color:#1F497D'>Add MLNX regression team.<o:p></o:p></span></p>
<p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='color:#1F497D'>Gilad/Benyahu can you add
relevant information about the test scenario. It related to internal bug 94586<o:p></o:p></span></p>
<p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p>
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<p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span
style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> Smith, Stan
[mailto:stan.smith@intel.com] <br>
<b>Sent:</b> Sunday, November 21, 2010 9:10 PM<br>
<b>To:</b> Uri Habusha; Hefty, Sean; ofw@lists.openfabrics.org<br>
<b>Subject:</b> RE: ASSERT in cl_spinlock_acquire function in OSM<o:p></o:p></span></p>
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<p class=MsoNormal><o:p> </o:p></p>
<div class=MsoNormal align=center style='text-align:center'><span
style='font-size:12.0pt;font-family:"Times New Roman","serif"'>
<hr size=2 width="100%" align=center>
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<p class=MsoNormal style='margin-bottom:12.0pt'><b><span style='font-size:10.0pt;
font-family:"Tahoma","sans-serif"'>From:</span></b><span style='font-size:10.0pt;
font-family:"Tahoma","sans-serif"'> Uri Habusha [mailto:urih@mellanox.co.il] <br>
<b>Sent:</b> Saturday, November 20, 2010 1:21 PM<br>
<b>To:</b> Hefty, Sean; ofw@lists.openfabrics.org; Smith, Stan<br>
<b>Subject:</b> ASSERT in cl_spinlock_acquire function in OSM</span><span
style='font-size:12.0pt;font-family:"Times New Roman","serif"'><o:p></o:p></span></p>
<p class=MsoNormal>During our IPoIB regression we got an assert. The reason for
the assert is that the spin lock wasn’t initialized. I take a look on osm_log
object but it’s looks to me corrupted, (the log_file_name is wrong).<o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>Is it a known issue? <span style='font-size:10.0pt;
font-family:"Arial","sans-serif";color:blue'> </span><o:p></o:p></p>
<p class=MsoNormal> <o:p></o:p></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:blue'>No.</span><o:p></o:p></p>
<p class=MsoNormal> <o:p></o:p></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:blue'>Yes, the log filename is corrupted as if the invalid memory access
fault handler is using the osm log file name buffer/memory for it's error log
(sprintf) buffer.</span><o:p></o:p></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:blue'>Any idea which module contains the offending address </span><span
style='font-size:12.0pt;color:black'>0x08004633`39010038 </span><span
style='font-size:10.0pt;font-family:"Arial","sans-serif";color:blue'>?</span><o:p></o:p></p>
<p class=MsoNormal> <o:p></o:p></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:blue'>The umad_port_id == -1 looks strange.</span><o:p></o:p></p>
<p class=MsoNormal> <o:p></o:p></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:blue'>How are the test systems configured w.r.t. IB fabric?</span><o:p></o:p></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:blue'>Single IB switch?</span><o:p></o:p></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:blue'>How many other systems attached to the switch?</span><o:p></o:p></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:blue'>Is there just a single IPoIB transfer going on?</span><o:p></o:p></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:blue'>Any cable pulls or system(s) shutting down?</span><o:p></o:p></p>
<p class=MsoNormal> <o:p></o:p></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:blue'>What type of IPoIB transfer was going on? How might others
reproduce this situation?</span><o:p></o:p></p>
<p class=MsoNormal> <o:p></o:p></p>
<p class=MsoNormal>Uri<o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>3: kd> kb<o:p></o:p></p>
<p class=MsoNormal>RetAddr
: Args to
Child
: Call Site<o:p></o:p></p>
<p class=MsoNormal>00000000`754954d9 : 00000000`00000000 00000000`00000000
00000000`00000000 00000000`00000000 : ntdll!DbgBreakPoint<o:p></o:p></p>
<p class=MsoNormal>00000000`fff01b72 : 00000000`007cef18 00000000`00000000
00000000`ffec5758 00000000`00222460 : complibd!cl_spinlock_acquire+0x39
[s:\builds\6861\trunk\inc\user\complib\cl_spinlock_osd.h @ 107]<o:p></o:p></p>
<p class=MsoNormal>00000000`fff62879 : 00000000`007cef10 00000000`00000010
00000000`ffeb652c 00000000`ffed8db8 : opensm!osm_log+0x1c2
[s:\builds\6861\trunk\ulp\opensm\user\opensm\osm_log.c @ 171]<o:p></o:p></p>
<p class=MsoNormal>00000000`fff0247e : 00000000`006127c0 00000000`00000100
00000000`007c6fb0 00000000`0116f9a0 : opensm!osm_vendor_get+0x49
[s:\builds\6861\trunk\ulp\opensm\user\libvendor\osm_vendor_ibumad.c @ 995]<o:p></o:p></p>
<p class=MsoNormal>00000000`fff608b3 : 00000000`0024f1b0 00000000`006127c0
00000000`00000100 00000000`0116f9a0 : opensm!osm_mad_pool_get+0xbe
[s:\builds\6861\trunk\ulp\opensm\user\opensm\osm_mad_pool.c @ 95]<o:p></o:p></p>
<p class=MsoNormal>00000000`754a2d0a : 00000000`00612770 00000000`00000000
00000000`00000000 00000000`00000000 : opensm!umad_receiver+0x3b3
[s:\builds\6861\trunk\ulp\opensm\user\libvendor\osm_vendor_ibumad.c @ 314]<o:p></o:p></p>
<p class=MsoNormal>00000000`7712be3d : 00000000`00612770 00000000`00000000
00000000`00000000 00000000`00000000 : complibd!cl_thread_callback+0x1a
[s:\builds\6861\trunk\core\complib\user\cl_thread.c @ 49]<o:p></o:p></p>
<p class=MsoNormal>00000000`77266a51 : 00000000`00000000 00000000`00000000
00000000`00000000 00000000`00000000 : kernel32!BaseThreadInitThunk+0xd<o:p></o:p></p>
<p class=MsoNormal>00000000`00000000 : 00000000`00000000 00000000`00000000
00000000`00000000 00000000`00000000 : ntdll!RtlUserThreadStart+0x1d<o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>3: kd> ??p_spinlock<o:p></o:p></p>
<p class=MsoNormal>struct _cl_spinlock * 0x00000000`007cef18<o:p></o:p></p>
<p class=MsoNormal> +0x000
crit_sec : _RTL_CRITICAL_SECTION<o:p></o:p></p>
<p class=MsoNormal> +0x028
initialized : 0<o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>3: kd> ??p_log<o:p></o:p></p>
<p class=MsoNormal>struct osm_log * 0x00000000`007cef10<o:p></o:p></p>
<p class=MsoNormal> +0x000
level : 0x30
'0'<o:p></o:p></p>
<p class=MsoNormal> +0x008
lock :
_cl_spinlock<o:p></o:p></p>
<p class=MsoNormal> +0x038
count : 0<o:p></o:p></p>
<p class=MsoNormal> +0x03c
max_size : 0<o:p></o:p></p>
<p class=MsoNormal> +0x040
flush : 0<o:p></o:p></p>
<p class=MsoNormal> +0x048
out_port : (null) <o:p></o:p></p>
<p class=MsoNormal> +0x050 accum_log_file : 0<o:p></o:p></p>
<p class=MsoNormal> +0x054
daemon : 0<o:p></o:p></p>
<p class=MsoNormal> +0x058 log_file_name :
0x08004633`39010038 "--- memory read error at address
0x08004633`39010038 ---"<o:p></o:p></p>
<p class=MsoNormal> +0x060 log_prefix
: 0x00000000`00222460 "p???"<o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>3: kd> ??p_vend<o:p></o:p></p>
<p class=MsoNormal>struct _osm_vendor * 0x00000000`007cb340<o:p></o:p></p>
<p class=MsoNormal> +0x000
p_log :
0x00000000`007cef10 osm_log<o:p></o:p></p>
<p class=MsoNormal> +0x008
ca_count : 0x7c6590<o:p></o:p></p>
<p class=MsoNormal> +0x010
p_ca_info : (null) <o:p></o:p></p>
<p class=MsoNormal> +0x018
timeout : 0xbb8<o:p></o:p></p>
<p class=MsoNormal> +0x01c
max_retries : 3<o:p></o:p></p>
<p class=MsoNormal> +0x020 agents
: [32] 0x00000000`006127c0 <o:p></o:p></p>
<p class=MsoNormal> +0x120
ca_names : [32] [64]
"ibv_device0"<o:p></o:p></p>
<p class=MsoNormal> +0x920
mtbl :
vendor_match_tbl<o:p></o:p></p>
<p class=MsoNormal> +0x930
umad_port : umad_port<o:p></o:p></p>
<p class=MsoNormal> +0x9f8
cb_mutex : 0x00000000`00000060 <o:p></o:p></p>
<p class=MsoNormal> +0xa00 match_tbl_mutex :
0x00000000`00000064 <o:p></o:p></p>
<p class=MsoNormal> +0xa08 umad_port_id :
-1<o:p></o:p></p>
<p class=MsoNormal> +0xa10
receiver : (null) <o:p></o:p></p>
<p class=MsoNormal> +0xa18
issmfd : -1<o:p></o:p></p>
<p class=MsoNormal> +0xa1c
issm_path : [256] ""<o:p></o:p></p>
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