From mboxrd@z Thu Jan 1 00:00:00 1970 To: =?gb2312?q?Dross=20Zhou?= Cc: linuxppc-embedded@lists.linuxppc.org Subject: Re: Why system panic after sometimes? From: Wolfgang Denk Mime-version: 1.0 Content-type: text/plain; charset=ISO-8859-1 In-reply-to: Your message of "Fri, 10 May 2002 11:18:54 +0800." <20020510031854.87945.qmail@web15005.mail.bjs.yahoo.com> Date: Fri, 10 May 2002 08:43:29 +0200 Message-Id: <20020510064334.4B2301195B@denx.denx.de> Sender: owner-linuxppc-embedded@lists.linuxppc.org List-Id: In message <20020510031854.87945.qmail@web15005.mail.bjs.yahoo.com> you wrote: > > This question has bothered me,I use linux-2.4.4 ( > downloaded from denx.de and porting to our borad > MPC850+4Mflash+32Mram+USB).We run a server application Which version of cross tools are you using? What firmware is used to initialize the board? Which device drivers are used? USB??? > in borad,but after sometimes such as about a day or > even several hours ,system will panic. I check our > program, i think there are no memory leak(or it will > panic in same time) and other fatal error. > Here is my dump information: > > # Oops: Kernel Mode Software FPU Emulation, sig: 8 > NIP: 00001FFC XER: E0007B7F LR: 0000098C SP: C011AE90 > REGS: c011ade0 TRAP: 1000 > MSR: 00001000 EE: 0 PR: 0 FP: 0 ME: 1 IR/DR: 00 > TASK = c0118fe0[0] 'swapper' Last syscall: 120 > last math 00000000 last altivec 00000000 > GPR00: 00000002 C011AE90 C0118FE0 C011AEA0 0035E000 > C18FDDE8 C0118FE0 00000017 > GPR08: C0124094 000E711D C18FC000 C014B3E0 30026438 > 100195BC 94FF7FD7 B97FDD3E > GPR16: DBFFE6E5 028002E8 FA200000 FFFFFFF6 00001032 > 0011AE90 C000BEDC 00009032 > GPR24: 00000000 00000001 C18FC000 0020000D C03E2190 > 00002000 C03E2190 C011AF50 > Call backtrace: > C0003800 00009032 C0003E44 C0003E5C C0128750 C00021E4 > Kernel panic: Attempted to kill the idle task! Did you ever try to decode this backtrace? What's that C0128750 there? Wolfgang Denk -- Software Engineering: Embedded and Realtime Systems, Embedded Linux Phone: (+49)-8142-4596-87 Fax: (+49)-8142-4596-88 Email: wd@denx.de "Buy land. They've stopped making it." - Mark Twain ** Sent via the linuxppc-embedded mail list. See http://lists.linuxppc.org/