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<DIV dir=ltr align=left><BR>No MSR is 00029030 and user mode bit is not set
here.<BR><BR>I had missed it in the prev mail:<BR><BR>NIP: C0005DA4 XER:
20000000 LR: C0004FE4 SP: C01F3000 REGS: c01eff30 TRAP: 1020
Not tainted<BR>MSR: 00029030 EE: 1 PR: 0 FP: 0 ME: 1 IR/DR: 11 <BR>TASK =
c01f1080[0] 'swapper' Last syscall: 120<BR>last math 00000000 last altivec
00000000<BR>PLB0: bear= 0x08000000 acr= 0xbb000000 besr=
0x00000000<BR><SPAN class=459021904-21092006><FONT face=宋体 color=#0000ff
size=2> </FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=459021904-21092006><FONT face=宋体
color=#0000ff size=2>Dave>I notice that MSR and TRAP, MSR is
00029030- the critical interrupt enable.</FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=459021904-21092006><FONT face=宋体
color=#0000ff size=2>Dave>TRAP is 1020. --WatchDog timer exception is
happening</FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=459021904-21092006><FONT face=宋体
color=#0000ff size=2>Dave>You can disable the MSR[CE] bit to no critical
exception or disable the WD timer</FONT></SPAN></DIV>
<DIV dir=ltr align=left><BR> </DIV>
<BLOCKQUOTE
style="PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #0000ff 2px solid; MARGIN-RIGHT: 0px">
<DIV><SPAN class=gmail_quote>On 9/20/06, <B class=gmail_sendername>Linas
Vepstas</B> <<A
href="mailto:linas@austin.ibm.com">linas@austin.ibm.com</A>> wrote:</SPAN>
<BLOCKQUOTE class=gmail_quote
style="PADDING-LEFT: 1ex; MARGIN: 0pt 0pt 0pt 0.8ex; BORDER-LEFT: rgb(204,204,204) 1px solid">On
Thu, Sep 21, 2006 at 08:38:13AM +1000, Benjamin Herrenschmidt wrote:<BR>>
On Wed, 2006-09-20 at 15:31 -0700, Manoj Sharma wrote:<BR>> > This is
the stack trace.<BR>> ><BR>> > Registers:<BR>> > GPR00:
00069030 <BR><BR>This is the MSR and it has the user-mode bit set, which is
surely wrong.<BR>This is not how one gets to user
space.<BR><BR>00048000<BR><BR>The MSR had this or'ed into it, which is
setting the user-mode bit.<BR>Surely that's wrong.
<BR><BR>--linas<BR></BLOCKQUOTE></DIV><BR></BLOCKQUOTE></BODY></HTML>