From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from n15b.bullet.mail.mud.yahoo.com (n15b.bullet.mail.mud.yahoo.com [68.142.207.236]) by ozlabs.org (Postfix) with SMTP id 074B1DE089 for ; Thu, 22 May 2008 23:14:22 +1000 (EST) Date: Thu, 22 May 2008 18:38:54 +0530 (IST) From: sandeep malik Subject: Help needed in debugging the crash of kernel stack overflow To: linuxppc-embedded@ozlabs.org MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="0-61961985-1211461734=:89060" Message-ID: <759615.89060.qm@web8413.mail.in.yahoo.com> List-Id: Linux on Embedded PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , --0-61961985-1211461734=:89060 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Hi,=0AWe are using MSC7120 (e300 based) board running Montavista Linux 2.4.= We are observing a random crash with the following dump:=0AKernel stack ov= erflow in process c5b22000, r1=3Dc5b22460=0ANIP: 00000000 XER: 20000000 LR:= 00000000 SP: C5B22460 REGS: c5b223b0 TRAP: 0400=C2=A0=C2=A0=C2=A0 Tainted:= P=0AMSR: 20001032 EE: 0 PR: 0 FP: 0 ME: 1 IR/DR: 11=0ATASK =3D c5b22000[17= 5] 'insmod' Last syscall: -1=0Alast math 00000000 last altivec 00000000=0AG= PR00: 00000000 C5B22460 C5B22000 C5B22470 00000000 20001032 00000000 000000= 00=0AGPR08: F0000700 00000000 00000008 00000001 24224482 1033BB30 00000000 = 00000000=0AGPR16: 00000000 00000000 00000000 00000001 00001032 05B22460 000= 00000 00000000=0AGPR24: 00000000 00000200 C7B09400 C016A240 C5B23D80 000000= 10 00000000 C7B09400=0ACall backtrace:=0A70536574 34205220 00000000 0000000= 0 00000000 55555555 55555555=0A55555555 55555555 55555555 55515555 55555555= 55555555 55515555=0A55555555 55555555 494C450A 66363531 4F4E455F 35382054 = 38383053=0A20542056 43686563 53797353 35632052 70383830 74205670 0A636230= =0A436D640A 38383053 24108028 C5C740C8 C00059AC=0AKernel panic: kernel stac= k overflow=0AIn interrupt handler - not syncing=0AAny idea what might be go= ing wrong or how to approach this problem as it is not getting reproduced a= nd the behaviour is very random. Any pointers will be helpful.=0ARegards,= =0ASM=0A=0A=0A Forgot the famous last words? Access your message archi= ve online at http://in.messenger.yahoo.com/webmessengerpromo.php --0-61961985-1211461734=:89060 Content-Type: text/html; charset=utf-8 Content-Transfer-Encoding: quoted-printable

Hi,

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We are using MSC7= 120 (e300 based) board running Montavista Linux 2.4. We are observing a ran= dom crash with the following dump:

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Kernel = stack overflow in process c5b22000, r1=3Dc5b22460
NIP: 00000000 XER: 200= 00000 LR: 00000000 SP: C5B22460 REGS: c5b223b0 TRAP: 0400 = Tainted: P
MSR: 20001032 EE: 0 PR: 0 FP: 0 ME: 1 IR/DR: 11
TASK =3D = c5b22000[175] 'insmod' Last syscall: -1
last math 00000000 last altivec = 00000000
GPR00: 00000000 C5B22460 C5B22000 C5B22470 00000000 20001032 00= 000000 00000000
GPR08: F0000700 00000000 00000008 00000001 24224482 1033= BB30 00000000 00000000
GPR16: 00000000 00000000 00000000 00000001 000010= 32 05B22460 00000000 00000000
GPR24: 00000000 00000200 C7B09400 C016A240= C5B23D80 00000010 00000000 C7B09400
Call backtrace:
70536574 3420522= 0 00000000 00000000 00000000 55555555 55555555
55555555 55555555 5555555= 5 55515555 55555555 55555555 55515555
55555555 55555555 494C450A 6636353= 1 4F4E455F 35382054 38383053
20542056 43686563 53797353 35632052 7038383= 0 74205670 0A636230
436D640A 38383053 24108028 C5C740C8 C00059AC
Kernel panic: kernel stack overflow
In interrupt handler - = not syncing

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Any idea what might be going w= rong or how to approach this problem as it is not getting reproduced and th= e behaviour is very random. Any pointers will be helpful.

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&nbs= p;

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Regards,

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SM

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Unlimited freedom, unlimited storage. Get it now --0-61961985-1211461734=:89060--