From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from e28smtp05.in.ibm.com (e28smtp05.in.ibm.com [122.248.162.5]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client CN "e28smtp05.in.ibm.com", Issuer "Equifax" (verified OK)) by ozlabs.org (Postfix) with ESMTPS id EFC63B7D43 for ; Sat, 1 May 2010 03:27:30 +1000 (EST) Received: from d28relay05.in.ibm.com (d28relay05.in.ibm.com [9.184.220.62]) by e28smtp05.in.ibm.com (8.14.3/8.13.1) with ESMTP id o3UHRPlK018440 for ; Fri, 30 Apr 2010 22:57:25 +0530 Received: from d28av05.in.ibm.com (d28av05.in.ibm.com [9.184.220.67]) by d28relay05.in.ibm.com (8.13.8/8.13.8/NCO v10.0) with ESMTP id o3UHRPq23125304 for ; Fri, 30 Apr 2010 22:57:25 +0530 Received: from d28av05.in.ibm.com (loopback [127.0.0.1]) by d28av05.in.ibm.com (8.14.3/8.13.1/NCO v10.0 AVout) with ESMTP id o3UHROVK014002 for ; Sat, 1 May 2010 03:27:25 +1000 Message-ID: <4BDB12FB.5060806@in.ibm.com> Date: Fri, 30 Apr 2010 22:57:23 +0530 From: Sachin Sant MIME-Version: 1.0 To: Linux/PPC Development Subject: Re: -next Apr 30: OOPS during eHEA driver initialization References: <4BDAF376.4030005@in.ibm.com> In-Reply-To: <4BDAF376.4030005@in.ibm.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Cc: "linux-next@vger.kernel.org" , Greg Kroah-Hartman , linux-kernel List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sachin Sant wrote: > With today's next eHEA drivers fails to initialize. If i revert the following patch eHEA network interface is initialized properly. commit cebfe0b6709abdab997c1a00499d67efa32ee1f0 drivercore: Add of_match_table to the common device drivers Thanks -Sachin > > IBM eHEA ethernet device driver (Release EHEA_0103) > Unable to handle kernel paging request for data at address 0x00000000 > Faulting instruction address: 0xc0000000004e8d7c > Oops: Kernel access of bad area, sig: 11 [#1] > SMP NR_CPUS=1024 NUMA pSeries > last sysfs file: /sys/devices/vio/30000007/host0/target0:0:2/0:0:2:0/type > Modules linked in: ehea(+) sr_mod cdrom sg sd_mod crc_t10dif ibmvscsic > scsi_transport_srp scsi_tgt scsi_mod > NIP: c0000000004e8d7c LR: c00000000002614c CTR: c000000000026314 > REGS: c00000000c517810 TRAP: 0300 Not tainted > (2.6.34-rc5-autotest-next-20100430) > MSR: 8000000000009032 CR: 24222228 XER: 20000005 > DAR: 0000000000000000, DSISR: 0000000040000000 > TASK = c00000000cf3ced0[730] 'modprobe' THREAD: c00000000c514000 CPU: 0 > GPR00: c00000000002614c c00000000c517a90 c000000000c96358 > 0000000000000000 > GPR04: c0000000ffff7858 c0000000004e973c c00000000cf3d9c8 > 0000000000000000 > GPR08: c000000000e4f8a0 0000000000001eed 0000000000000000 > 00000000000002e7 > GPR12: d000000001bfb0d0 c000000007440000 0000000000000000 > 0000000000000000 > GPR16: 0000000000000000 0000000000000000 000000001002c598 > 0000000000000000 > GPR20: 0000000000000000 0000000000000004 0000000000000000 > 0000000010030218 > GPR24: 0000000010030160 00000fffb7b00000 0000000010030200 > 0000000000000000 > GPR28: c0000000ffff7858 0000000000000000 c000000000bfd528 > 0000000000000000 > NIP [c0000000004e8d7c] .of_match_node+0xc0/0x10c > LR [c00000000002614c] .ibmebus_create_devices+0x48/0x104 > Call Trace: > [c00000000c517a90] [c0000000004e973c] .of_get_next_child+0x74/0x98 > (unreliable) > [c00000000c517b20] [c00000000002614c] .ibmebus_create_devices+0x48/0x104 > [c00000000c517bc0] [c000000000026338] .ibmebus_register_driver+0x24/0x4c > [c00000000c517c50] [d000000001bfa1bc] .ehea_module_init+0x1d4/0x22b8 > [ehea] > [c00000000c517ce0] [c0000000000097a4] .do_one_initcall+0x88/0x1bc > [c00000000c517d90] [c0000000000cbdf4] .SyS_init_module+0x11c/0x2b0 > [c00000000c517e30] [c0000000000085b4] syscall_exit+0x0/0x40 > Instruction dump: > 7c7de838 881f0040 2f800000 419e0018 7f83e378 389f0040 4bfffdbd 7c63e838 > 7c7d07b4 2fbd0000 409e0030 3bff00c8 <881f0000> 2f800000 409eff60 881f0020 > ---[ end trace cb522a034d760fb8 ]--- > > next-20100428 was OK. Will try to bisect. > > Thanks > -Sachin > > -- --------------------------------- Sachin Sant IBM Linux Technology Center India Systems and Technology Labs Bangalore, India ---------------------------------