From: "Manoj Sharma" <manoj.shar@gmail.com>
To: "Linas Vepstas" <linas@austin.ibm.com>
Cc: linuxppc-dev@ozlabs.org
Subject: Re: Hang with isync
Date: Wed, 20 Sep 2006 17:59:28 -0700 [thread overview]
Message-ID: <d6dada100609201759r5dd047d7y2b60684d9c4feaa8@mail.gmail.com> (raw)
In-Reply-To: <20060920230406.GU29167@austin.ibm.com>
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No MSR is 00029030 and user mode bit is not set here.
I had missed it in the prev mail:
\x05NIP: C0005DA4 XER: 20000000 LR: C0004FE4 SP: C01F3000\x05 REGS: c01eff30 TRAP:
1020 Not tainted
MSR: 00029030 EE: 1 PR: 0 FP: 0 ME: 1 IR/DR: 11
TASK = c01f1080[0] 'swapper' Last syscall: 120
last math 00000000 last altivec 00000000
\x05PLB0: bear= 0x08000000 acr= 0xbb000000 besr= 0x00000000
On 9/20/06, Linas Vepstas <linas@austin.ibm.com> wrote:
>
> On Thu, Sep 21, 2006 at 08:38:13AM +1000, Benjamin Herrenschmidt wrote:
> > On Wed, 2006-09-20 at 15:31 -0700, Manoj Sharma wrote:
> > > This is the stack trace.
> > >
> > > Registers:
> > > GPR00: 00069030
>
> This is the MSR and it has the user-mode bit set, which is surely wrong.
> This is not how one gets to user space.
>
> 00048000
>
> The MSR had this or'ed into it, which is setting the user-mode bit.
> Surely that's wrong.
>
> --linas
>
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next prev parent reply other threads:[~2006-09-21 0:59 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-09-19 1:28 Hang with isync Manoj Sharma
2006-09-20 1:16 ` Manoj Sharma
2006-09-20 21:35 ` Benjamin Herrenschmidt
2006-09-20 22:31 ` Manoj Sharma
2006-09-20 22:38 ` Benjamin Herrenschmidt
2006-09-20 23:04 ` Linas Vepstas
2006-09-21 0:59 ` Manoj Sharma [this message]
2006-09-21 4:24 ` Liu Dave-r63238
2006-09-21 6:17 ` Manoj Sharma
2006-09-21 6:27 ` Liu Dave-r63238
2006-09-21 7:11 ` Manoj Sharma
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