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<DIV><FONT face=Arial color=#0000ff size=2><SPAN class=355140011-07092006>Here
is an Oops in ib_srp</SPAN></FONT><BR></DIV>
<DIV class=OutlookMessageHeader lang=en-us dir=ltr align=left>
<HR tabIndex=-1>
<FONT face=Tahoma size=2><B>From:</B> Dachepalli, Sudhir
[mailto:Sudhir.Dachepalli@lsil.com] <BR><B>Sent:</B> Tuesday, September 05, 2006
11:09 PM<BR><B>To:</B> Vu Pham<BR><B>Cc:</B> Richard, Bill<BR><B>Subject:</B>
OFED 1.1 rc3 srp driver panic<BR></FONT><BR></DIV>
<DIV></DIV>
<DIV><FONT face=Arial size=2><SPAN class=988340320-05092006>Hello
Vu,</SPAN></FONT></DIV>
<DIV><FONT face=Arial size=2><SPAN
class=988340320-05092006></SPAN></FONT> </DIV>
<DIV><FONT face=Arial size=2><SPAN class=988340320-05092006>I am trying to
integrate MPP and OFED 1.1 rc3 srp. </SPAN></FONT></DIV>
<DIV><FONT face=Arial size=2><SPAN
class=988340320-05092006></SPAN></FONT> </DIV>
<DIV><FONT face=Arial size=2><SPAN class=988340320-05092006>Status on following
2 issues.</SPAN></FONT></DIV>
<UL>
<LI><FONT face=Arial size=2><SPAN class=988340320-05092006>New Host number
allocation for controller offline / online - MPP will handle this with out the
need to run hot_add. we need to use srp_daemon.</SPAN></FONT>
<LI><FONT face=Arial size=2><SPAN class=988340320-05092006>scsi error handler
invocation - we need to figure out how to cleanly exit out of error handler
after cleaning up all the IO's - THIS IS THE BIGGEST ISSUE
NOW.</SPAN></FONT></LI></UL>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2><SPAN
class=988340320-05092006><STRONG><U>Panic</U></STRONG></SPAN></FONT></DIV>
<DIV><FONT face=Arial size=2><SPAN
class=988340320-05092006><STRONG><U></U></STRONG></SPAN></FONT> </DIV>
<DIV><FONT face=Arial size=2><SPAN class=988340320-05092006> I noticed the
following panic when I performed sysreboot on controller A while IO is going on
:</SPAN></FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>ib_srp: SRP reset_host called<BR>ib_srp: QP event
1<BR>ib_srp: QP event 1<BR>ib_srp: connection closed<BR>Unable to handle kernel
NULL pointer dereference at 0000000000000000
RIP:<BR>[<0000000000000000>]<BR>PML4 214f0d067 PGD 214657067 PMD
0<BR>Oops: 0010 [1] SMP<BR>CPU 1<BR>Modules linked in: parport_pc lp parport
autofs4 i2c_dev i2c_core sunrpc rdma_ucm(U) rdma_cm(U) ib_addr(U) ib_srp(U) ds
yenta_socket<BR> pcmcia_core dm_mirror dm_mod button battery ac md5 ipv6
uhci_hcd ehci_hcd ib_mthca(U) ib_umad(U) ib_ucm(U) ib_uverbs(U) ib_cm(U)
ib<BR>_sa(U) ib_mad(U) ib_core(U) e1000 ext3 jbd mppVhba(U) qla2400 qla2322
qla2xxx scsi_transport_fc mptscsih mptsas mptspi mptfc mptscsi<BR> mptbase
ata_piix libata mppUpper(U) sg sd_mod scsi_mod<BR>Pid: 4991, comm: scsi_eh_7 Not
tainted 2.6.9-34.ELsmp<BR>RIP: 0010:[<0000000000000000>]
[<0000000000000000>]<BR>RSP: 0018:000001021202dd70 EFLAGS:
00010006<BR>RAX: 0000010210234100 RBX: 00000102114b0a28 RCX:
00000102114b08a0<BR>RDX: 00000102114b08b0 RSI: 00000102114b0a28 RDI:
0000010210234100<BR>RBP: 00000102114b0c08 R08: 0000000000000000 R09:
0000000210d6c000<BR>R10: 00000102114b03c8 R11: 00000102114b03c8 R12:
00000102114b03c8<BR>R13: 000001021202dee8 R14: 00000102114b0000 R15:
000001021202ded8<BR>FS: 0000002a9589a760(0000) GS:ffffffff804d7b80(0000)
knlGS:0000000000000000<BR>CS: 0010 DS: 0000 ES: 0000 CR0:
000000008005003b<BR>CR2: 0000000000000000 CR3: 00000000cfe58000 CR4:
00000000000006e0<BR>Process scsi_eh_7 (pid: 4991, threadinfo 000001021202c000,
task 0000010211e9b030)<BR>Stack: ffffffffa02a1792 00000102114b08b0
00000102114b03c8 0000000000000000<BR>
ffffffffa02a18bf 0000003000000008 000001021202de78
000001021202ddb8<BR> 0000010211e9b030
ffffffff801333c8<BR>Call
Trace:<ffffffffa02a1792>{:ib_srp:srp_reset_req+37}
<ffffffffa02a18bf>{:ib_srp:srp_reconnect_target+288}<BR>
<ffffffff801333c8>{default_wake_function+0}
<ffffffff801e6fb2>{kobject_release+0}<BR>
<ffffffffa02a2fdb>{:ib_srp:srp_reset_host+51}
<ffffffffa02a2fe3>{:ib_srp:srp_reset_host+59}<BR>
<ffffffffa0005943>{:scsi_mod:scsi_try_host_reset+118}<BR>
<ffffffffa00062f9>{:scsi_mod:scsi_error_handler+2347}<BR>
<ffffffff80110e17>{child_rip+8}
<ffffffffa00059ce>{:scsi_mod:scsi_error_handler+0}<BR>
<ffffffff80110e0f>{child_rip+0}</FONT></DIV>
<DIV> </DIV>
<DIV><FONT face=Arial size=2>Code: Bad RIP value.<BR>RIP
[<0000000000000000>] RSP <000001021202dd70><BR>CR2:
0000000000000000<BR> <0>Kernel panic - not syncing: Oops</FONT></DIV>
<DIV> </DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV> </DIV>
<DIV align=left><B><FONT size=2>Sudhir Dachepalli</FONT></B> </DIV>
<DIV align=left><FONT face=Arial size=2>Engenio Storage Group</FONT> </DIV>
<DIV align=left></DIV>
<DIV align=left></DIV><FONT size=2>
<ADDRESS align="left"><FONT face=Arial size=2>LSI Logic Corporation</FONT>
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<ADDRESS><FONT face=Arial size=2>12331 Riata Trace Parkway</FONT>
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<ADDRESS><FONT face=Arial size=2>Suite B200<ST1:STATE w:st="on">
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<ADDRESS><FONT face=Arial size=2>Austin , Texas</ST1:STATE>
<ST1:POSTALCODE w:st="on">78727</FONT> </ADDRESS></DIV>
<ADDRESS><FONT face=Arial size=2>512 794 3706 phone<BR>512 794 3702
fax<BR></ST1:POSTALCODE><A
href="mailto:sudhir.dachepalli@lsil.com">sudhir.dachepalli@lsil.com</A></FONT>
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