From mboxrd@z Thu Jan 1 00:00:00 1970 Message-ID: <4F7D3DB8.6080009@freescale.com> Date: Thu, 5 Apr 2012 14:37:44 +0800 From: Huang Shijie MIME-Version: 1.0 To: Fabio Estevam Subject: Re: Using GPMI-NAND driver on iMX28 using 3.4-rc1? References: <20120404070157.GB24930@pengutronix.de> <20120404183314.GF17187@pengutronix.de> In-Reply-To: Content-Type: text/plain; charset="GB2312" Content-Transfer-Encoding: 7bit Cc: Russell King - ARM Linux , Vinod Koul , Wolfram Sang , linux-mtd@lists.infradead.org, Shawn Guo , Sam Gandhi , "linux-arm-kernel@lists.infradead.org" List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Hi All: > On Wed, Apr 4, 2012 at 7:07 PM, Sam Gandhi wrote: > >> I reverted that commit and I still see following error! > Huang, > > Are you able to use gpmi on mx28 running 3.4-rc1? > I also meet the same problem today. >> flash_erase /dev/mtd1 0 0 >> Erasing 1------------[ cut here ]------------ >> kernel BUG at /home/sam/linux/drivers/dma/dmaengine.h:53! the mxs-dma has added some patches about the cookie. The bug is in the dmaengine.h. So let more people know this bug. BR Huang Shijie >> Internal error: Oops - BUG: 0 [#1] PREEMPT ARM >> Modules linked in: >> CPU: 0 Not tainted (3.4.0-rc1-09876-g2e4bb28-dirty #1) >> PC is at mxs_dma_int_handler+0xfc/0x16c >> LR is at handle_irq_event_percpu+0xc4/0x258 >> pc : [] lr : [] psr: 60000093 >> sp : c3aadb00 ip : c3aadb28 fp : c3aadb24 >> r10: 00000000 r9 : c0529058 r8 : 00000000 >> r7 : 00000010 r6 : 00000004 r5 : c3811000 r4 : 00000004 >> r3 : c38111e0 r2 : 00000000 r1 : 00000000 r0 : 00000058 >> Flags: nZCv IRQs off FIQs on Mode SVC_32 ISA ARM Segment user >> Control: 0005317f Table: 42cd8000 DAC: 00000015 >> Process flash_erase (pid: 1205, stack limit = 0xc3aac270) >> Stack: (0xc3aadb00 to 0xc3aae000) >> db00: c026514c c006e5d4 c39c5800 00000058 f5000000 c3aadc0c c3aadb64 c3aadb28 >> db20: c006e47c c024c838 c3aadb54 c3aadb38 c000c5a8 c000b0dc c000b0fc c0529058 >> db40: c39c5800 f5000000 c3aadc0c ffffffff 00000000 00000000 c3aadb7c c3aadb68 >> db60: c006e674 c006e3c8 c0529058 00000000 c3aadb94 c3aadb80 c0071040 c006e620 >> db80: c0070f7c 00000058 c3aadbac c3aadb98 c006dcc0 c0070f8c 00000130 00000058 >> dba0: c3aadbc4 c3aadbb0 c0009f1c c006dca0 c024c338 20000013 c3aadbd4 c3aadbc8 >> dbc0: c0008648 c0009ebc c3aadc34 c3aadbd8 c03a3894 c0008640 00007efa f5004000 >> dbe0: 00000300 c3811268 c3811294 c3811294 00000000 c3811268 ffffffff 00000000 >> dc00: 00000000 c3aadc34 f5004000 c3aadc20 c024c32c c024c338 20000013 ffffffff >> dc20: c024c308 c390b000 c3aadc54 c3aadc38 c0291ad8 c024c318 00000001 c390b000 >> dc40: 00000000 c390b4dc c3aadc8c c3aadc58 c0292600 c0291a9c 00000003 00000000 >> dc60: 00000006 00830001 00000000 00000000 c390b000 00000070 ffffffff c390b078 >> dc80: c3aadca4 c3aadc90 c02910f4 c0292500 c02910a0 c390b298 c3aadccc c3aadca8 >> dca0: c028cb40 c02910b0 c390b078 c390b298 c390b298 00000000 0000000b c2cd45c0 >> dcc0: c3aadce4 c3aadcd0 c0288f44 c028ca48 c390b078 c2cb9540 c3aadd84 c3aadce8 >> dce0: c028d7ec c0288f18 00020000 00000000 c026514c c006e5d4 00000000 00000000 >> dd00: c2cb9540 00000040 00000000 00000000 045e0000 00000000 00000000 00000000 >> dd20: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 >> dd40: 00000000 00000000 00000000 00000000 00000000 00000000 c3aadd84 00a00000 >> dd60: 00000000 c2cb9540 c39da000 00000238 00000000 c2cd45c0 c3aadd94 c3aadd88 >> dd80: c028db74 c028d720 c3aaddbc c3aadd98 c0284018 c028db68 c0283fd8 becdd8f0 >> dda0: c39da000 03be0000 00000000 00020000 c3aadde4 c3aaddc0 c0281648 c0283fe8 >> ddc0: c028609c becdd8f0 c3aadef8 c2cb9540 c3aac000 c3aac000 c3aadf24 c3aadde8 >> dde0: c0286b38 c02815d8 c000c5a8 c000b0dc c000b0fc c3aac000 00000000 c2cd45c0 >> de00: c00497a8 00000000 00000000 c000c594 c3aade64 c3aade50 c03a5978 c0260854 >> de20: 00000000 c03a5978 c3aade54 c3aade38 c000c5a8 c01dc574 00000003 00000001 >> de40: c3aade9c c3aade50 c01dc574 c007374c c3aade7c c3aade60 c000c5a8 c000b0dc >> de60: c000b0fc 0007ffff 00000000 ffffffff 00000003 00000000 00000001 c3b3a980 >> de80: c38bba08 000000a4 c3aadec4 c2cf8b80 c3aadeb4 c3aadea0 c01e1c48 c01dc4c8 >> dea0: c3aadec4 00000000 c3aadf54 c3aadeb8 c01e1d04 c01e1c04 00000000 c03a58c4 >> dec0: 00000000 00000001 00000000 c38bb830 c34a6500 00000000 00000000 00000000 >> dee0: 03be0000 00000000 00020000 00000000 00000000 00000000 c3aadef8 c3aadef8 >> df00: c053e0c0 c38bba00 becdd8f0 40104d14 00000000 00000000 c3aadf44 c3aadf28 >> df20: c02871f8 c02866e4 becdd8f0 00005452 40104d14 00000003 c3aadf54 c3aadf48 >> df40: c00eb238 c02871cc c3aadf74 c3aadf58 c00ebf2c c00eb214 c3aadf74 c3aadf68 >> df60: c38bba00 becdd8f0 c3aadfa4 c3aadf78 c00ebfb0 c00ebd78 c3aadf9c 00000000 >> df80: c0009f20 becdd958 00013008 00000003 00000036 c00091a8 00000000 c3aadfa8 >> dfa0: c0008f40 c00ebf60 becdd958 00013008 00000003 40104d14 becdd8f0 00000001 >> dfc0: becdd958 00013008 00000003 00000036 000001df 00000000 00000008 00000000 >> dfe0: 00000000 becdd8e0 b6eb4f28 b6e3926c 20000010 00000003 00000001 00000000 >> Backtrace: >> [] (mxs_dma_int_handler+0x0/0x16c) from [] >> (handle_irq_event_percpu+0xc4/0x258) >> r7:c3aadc0c r6:f5000000 r5:00000058 r4:c39c5800 >> [] (handle_irq_event_percpu+0x0/0x258) from [] >> (handle_irq_event+0x64/0x84) >> [] (handle_irq_event+0x0/0x84) from [] >> (handle_level_irq+0xc4/0xf8) >> r5:00000000 r4:c0529058 >> [] (handle_level_irq+0x0/0xf8) from [] >> (generic_handle_irq+0x30/0x40) >> r4:00000058 r3:c0070f7c >> [] (generic_handle_irq+0x0/0x40) from [] >> (handle_IRQ+0x70/0x94) >> r4:00000058 r3:00000130 >> [] (handle_IRQ+0x0/0x94) from [] (asm_do_IRQ+0x18/0x1c) >> r5:20000013 r4:c024c338 >> [] (asm_do_IRQ+0x0/0x1c) from [] (__irq_svc+0x34/0x78) >> Exception stack(0xc3aadbd8 to 0xc3aadc20) >> dbc0: 00007efa f5004000 >> dbe0: 00000300 c3811268 c3811294 c3811294 00000000 c3811268 ffffffff 00000000 >> dc00: 00000000 c3aadc34 f5004000 c3aadc20 c024c32c c024c338 20000013 ffffffff >> [] (mxs_dma_tx_submit+0x0/0x44) from [] >> (start_dma_without_bch_irq+0x4c/0xa0) >> r4:c390b000 r3:c024c308 >> [] (start_dma_without_bch_irq+0x0/0xa0) from [] >> (gpmi_send_command+0x110/0x120) >> r6:c390b4dc r5:00000000 r4:c390b000 r3:00000001 >> [] (gpmi_send_command+0x0/0x120) from [] >> (gpmi_cmd_ctrl+0x54/0x78) >> r7:c390b078 r6:ffffffff r5:00000070 r4:c390b000 >> [] (gpmi_cmd_ctrl+0x0/0x78) from [] >> (nand_command_lp+0x108/0x260) >> r4:c390b298 r3:c02910a0 >> [] (nand_command_lp+0x0/0x260) from [] >> (nand_check_wp+0x3c/0x60) >> [] (nand_check_wp+0x0/0x60) from [] >> (nand_erase_nand+0xdc/0x448) >> r5:c2cb9540 r4:c390b078 >> [] (nand_erase_nand+0x0/0x448) from [] >> (nand_erase+0x1c/0x20) >> [] (nand_erase+0x0/0x20) from [] (part_erase+0x40/0x8c) >> [] (part_erase+0x0/0x8c) from [] (mtd_erase+0x80/0x94) >> r8:00020000 r7:00000000 r6:03be0000 r5:c39da000 r4:becdd8f0 >> r3:c0283fd8 >> [] (mtd_erase+0x0/0x94) from [] (mtdchar_ioctl+0x464/0xae8) >> r9:c3aac000 r8:c3aac000 r7:c2cb9540 r6:c3aadef8 r4:becdd8f0 >> r3:c028609c >> [] (mtdchar_ioctl+0x0/0xae8) from [] >> (mtdchar_unlocked_ioctl+0x3c/0x54) >> [] (mtdchar_unlocked_ioctl+0x0/0x54) from [] >> (vfs_ioctl+0x34/0x50) >> r7:00000003 r6:40104d14 r5:00005452 r4:becdd8f0 >> [] (vfs_ioctl+0x0/0x50) from [] (do_vfs_ioctl+0x1c4/0x1e8) >> [] (do_vfs_ioctl+0x0/0x1e8) from [] (sys_ioctl+0x60/0x84) >> r5:becdd8f0 r4:c38bba00 >> [] (sys_ioctl+0x0/0x84) from [] (ret_fast_syscall+0x0/0x2c) >> r8:c00091a8 r7:00000036 r6:00000003 r5:00013008 r4:becdd958 >> Code: 1a000006 e59310b4 e3510000 ca000000 (e7f001f2) >> 28 Kibyte @ 35c0000 -- 2---[ end trace 5deaba3c2a545554 ]---