From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from sorrow.cyrius.com ([65.19.161.204]) by pentafluge.infradead.org with esmtps (Exim 4.63 #1 (Red Hat Linux)) id 1HD0oL-0007jo-Jy for linux-mtd@lists.infradead.org; Fri, 02 Feb 2007 15:58:52 +0000 Date: Fri, 2 Feb 2007 16:56:07 +0100 From: Martin Michlmayr To: linux-mtd@lists.infradead.org Subject: Oops parsing empty RedBoot partition with 2.6.20-rc7 Message-ID: <20070202155607.GA31304@deprecation.cyrius.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Cc: dan.j.williams@intel.com, buytenh@wantstofly.org List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , With current git (2.6.20-rc7) I get the following oops when it's trying to parse the RedBoot partition. This is on an IOP13xx based board (Intel iq81340mc). I guess the problm happens because I don't have any RedBoot partitions. Note that 2.6.19 work fine. RedBoot> fis list Name FLASH addr Mem addr Length Entry point RedBoot> 2.6.20-rc7: physmap platform flash device: 02000000 at fa000000 physmap-flash.0: Found 1 x16 devices at 0x0 in 16-bit bank Intel/Sharp Extended Query Table at 0x010A Intel/Sharp Extended Query Table at 0x010A Intel/Sharp Extended Query Table at 0x010A Intel/Sharp Extended Query Table at 0x010A Intel/Sharp Extended Query Table at 0x010A Using buffer write method cfi_cmdset_0001: Erase suspend on write enabled cmdlinepart partition parsing not available Searching for RedBoot partition table in physmap-flash.0 at offset 0x1fe0000 Unable to handle kernel paging request at virtual address 50870000 pgd = 40004000 [50870000] *pgd=00609051, *pte=00000000, *ppte=00000000 Internal error: Oops: 27 [#1] Modules linked in: CPU: 0 PC is at memcmp+0x18/0x58 LR is at parse_redboot_partitions+0x150/0x640 pc : [<401747b0>] lr : [<401d9784>] Not tainted sp : 40621ddc ip : 0000000e fp : 40621de8 r10: 50850000 r9 : 40396a74 r8 : 00ffffff r7 : 4ffe1ee0 r6 : 00000000 r5 : 00020000 r4 : 50870000 r3 : ffffffff r2 : 0000000e r1 : 403687d8 r0 : 50870000 Flags: nzCv IRQs on FIQs on Mode SVC_32 Segment kernel Control: 400397F Table: 00004018 DAC: 00000035 Process swapper (pid: 1, stack limit = 0x40620250) Stack: (0x40621ddc to 0x40622000) 1dc0: 40621e48 1de0: 40621dec 401d9784 401747a4 40621e18 50850000 00000001 00000000 4fc79e5c 1e00: 403a9260 50850000 00000000 00000000 40396a74 00000200 00020000 00000000 1e20: 403a901c 403a9264 00000000 4ffe1ee0 00000000 40396a74 4fc79e5c 40621e70 1e40: 40621e4c 401d8dd0 401d9640 403a9250 00000000 4fc79e20 40396a6c 40396ba8 1e60: 40396b18 40621ea0 40621e74 401e2278 401d8d8c 00000000 40396a74 40396a74 1e80: 407f54a0 403a91b8 403c4484 40023344 40396b18 40621eb0 40621ea4 401a98c0 1ea0: 401e209c 40621ed8 40621eb4 401a7c18 401a98ac 403a91b8 40396a74 407f54a0 1ec0: 401a7e74 40023344 40022e58 40621ef4 40621edc 401a7d84 401a7bbc 40396b48 1ee0: 40396a74 403a91b8 40621f0c 40621ef8 401a7f58 401a7cf8 00000000 40621f10 1f00: 40621f38 40621f10 401a707c 401a7e80 403a60b4 403a60b4 40396abc 403a91b8 1f20: 403a91cc 403a5fb4 00000000 40621f48 40621f3c 401a7ac8 401a7034 40621f6c 1f40: 40621f4c 401a7410 401a7ab4 403a91b8 00000000 40620000 00000000 40023344 1f60: 40621f80 40621f70 401a8180 401a73ac 40022ddc 40621f90 40621f84 401a9b68 1f80: 401a812c 40621fa0 40621f94 4001db14 401a9b08 40621ff4 40621fa4 400280a8 1fa0: 4001db0c 40621fb0 40028e04 4003b800 00000000 00000000 4002802c 40041a38 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 40621ff8 40041a38 40028038 00000000 00000000 Backtrace: [<40174798>] (memcmp+0x0/0x58) from [<401d9784>] (parse_redboot_partitions+0x150/0x640) [<401d9634>] (parse_redboot_partitions+0x0/0x640) from [<401d8dd0>] (parse_mtd_partitions+0x50/0xc8) [<401d8d80>] (parse_mtd_partitions+0x0/0xc8) from [<401e2278>] (physmap_flash_probe+0x1e8/0x268) [<401e2090>] (physmap_flash_probe+0x0/0x268) from [<401a98c0>] (platform_drv_probe+0x20/0x24) [<401a98a0>] (platform_drv_probe+0x0/0x24) from [<401a7c18>] (really_probe+0x68/0x13c) [<401a7bb0>] (really_probe+0x0/0x13c) from [<401a7d84>] (driver_probe_device+0x98/0xc4) [<401a7cec>] (driver_probe_device+0x0/0xc4) from [<401a7f58>] (__driver_attach+0xe4/0xe8) r6 = 403A91B8 r5 = 40396A74 r4 = 40396B48 [<401a7e74>] (__driver_attach+0x0/0xe8) from [<401a707c>] (bus_for_each_dev+0x54/0x80) r5 = 40621F10 r4 = 00000000 [<401a7028>] (bus_for_each_dev+0x0/0x80) from [<401a7ac8>] (driver_attach+0x20/0x28) r7 = 00000000 r6 = 403A5FB4 r5 = 403A91CC r4 = 403A91B8 [<401a7aa8>] (driver_attach+0x0/0x28) from [<401a7410>] (bus_add_driver+0x70/0x194) [<401a73a0>] (bus_add_driver+0x0/0x194) from [<401a8180>] (driver_register+0x60/0x9c) r8 = 40023344 r7 = 00000000 r6 = 40620000 r5 = 00000000 r4 = 403A91B8 [<401a8120>] (driver_register+0x0/0x9c) from [<401a9b68>] (platform_driver_register+0x6c/0x88) r4 = 40022DDC [<401a9afc>] (platform_driver_register+0x0/0x88) from [<4001db14>] (physmap_init+0x14/0x1c) [<4001db00>] (physmap_init+0x0/0x1c) from [<400280a8>] (init+0x7c/0x29c) [<4002802c>] (init+0x0/0x29c) from [<40041a38>] (do_exit+0x0/0x888) Code: e24cb004 e252c000 01a0e00c 0a00000a (e5d02000) <0>Kernel panic - not syncing: Attempted to kill init! 2.6.19: physmap-flash.0: Found 1 x16 devices at 0x0 in 16-bit bank Intel/Sharp Extended Query Table at 0x010A Intel/Sharp Extended Query Table at 0x010A Intel/Sharp Extended Query Table at 0x010A Intel/Sharp Extended Query Table at 0x010A Intel/Sharp Extended Query Table at 0x010A Using buffer write method cfi_cmdset_0001: Erase suspend on write enabled cmdlinepart partition parsing not available Searching for RedBoot partition table in physmap-flash.0 at offset 0x1fe0000 No RedBoot partition table detected in physmap-flash.0 -- Martin Michlmayr http://www.cyrius.com/