Additional information: The kernel fault already happens in 2.6.25
The driver works fine in 2.6.24 (Interrupt available in /proc/interrupts and /sys/class/uio/uio0) Are there changes in 2.6.25 which could cause the kernel fault? Any hint is appreaciated! Thx and kind regards Frank Prepelica Software Design Engineer Ubidyne GmbH Lise-Meitner-Str.-14 89081 Ulm - Germany Phone: +49 731 88 00 71 58 Fax: +49 731 88 00 71 99 Email: frank.prepel...@ubidyne.com Homepage: www.ubidyne.com Registered office: Ulm District court of Ulm: HRB 5295 Managing Directors: Dipl. Ing. Ken Hawk Dipl. Ing. Beat Müller Dipl. Ing. Mike Levis > -----Ursprüngliche Nachricht----- > Von: linuxppc-dev-bounces+frank.prepelica=ubidyne....@lists.ozlabs.org > [mailto:linuxppc-dev-bounces+frank.prepelica=ubidyne....@lists.ozlabs.org] > Im Auftrag von Frank Prepelica > Gesendet: Dienstag, 4. August 2009 09:24 > An: mich...@ellerman.id.au > Cc: linuxppc-...@ozlabs.org > Betreff: AW: Kernel fault with simple UIO interrupt driver in 2.6.30.4 > > > Oh okay, I didnt think anybody would need it :) > > > > => bootm 2000000 - 3000000 > ## Booting image at 02000000 ... > Image Name: Linux-2.6.30.4 > Created: 2009-08-04 7:06:18 UTC > Image Type: PowerPC Linux Kernel Image (gzip compressed) > Data Size: 3978238 Bytes = 3.8 MB > Load Address: 00000000 > Entry Point: 00000000 > Verifying Checksum ... OK > Uncompressing Kernel Image ... OK > Booting using flat device tree at 0x3000000 > Using MPC831x RDB machine description > Linux version 2.6.30.4 (r...@vmlinux) (gcc version 4.0.0 (DENX ELDK 4.1 > 4.0.0)) #25 Tue Aug 4 09:05:58 CEST 2009 > console [udbg0] enabled > setup_arch: bootmem > mpc831x_rdb_setup_arch() > arch: exit > Zone PFN ranges: > DMA 0x00000000 -> 0x00008000 > Normal 0x00008000 -> 0x00008000 > Movable zone start PFN for each node > early_node_map[1] active PFN ranges > 0: 0x00000000 -> 0x00008000 > Built 1 zonelists in Zone order, mobility grouping on. Total pages: 32512 > Kernel command line: BOOTLOADER_VER=MCU_bl_BPT_1.0.4 > NR_IRQS:512 > IPIC (128 IRQ sources) at fdffd700 > PID hash table entries: 512 (order: 9, 2048 bytes) > clocksource: timebase mult[7800001] shift[22] registered > Dentry cache hash table entries: 16384 (order: 4, 65536 bytes) > Inode-cache hash table entries: 8192 (order: 3, 32768 bytes) > Memory: 123888k/131072k available (5560k kernel code, 7020k reserved, 184k > data, 93k bss, 2476k init) > Kernel virtual memory layout: > * 0xffffe000..0xfffff000 : fixmap > * 0xfdffc000..0xfe000000 : early ioremap > * 0xc9000000..0xfdffc000 : vmalloc & ioremap > SLUB: Genslabs=13, HWalign=32, Order=0-3, MinObjects=0, CPUs=1, Nodes=1 > Calibrating delay loop... 66.56 BogoMIPS (lpj=133120) > Mount-cache hash table entries: 512 > net_namespace: 716 bytes > NET: Registered protocol family 16 > > PCI: Probing PCI hardware > bio: create slab <bio-0> at 0 > SCSI subsystem initialized > NET: Registered protocol family 2 > IP route cache hash table entries: 1024 (order: 0, 4096 bytes) > TCP established hash table entries: 4096 (order: 3, 32768 bytes) > TCP bind hash table entries: 4096 (order: 2, 16384 bytes) > TCP: Hash tables configured (established 4096 bind 4096) > TCP reno registered > NET: Registered protocol family 1 > Freescale PowerQUICC MII Bus: probed > Freescale PowerQUICC MII Bus: probed > JFFS2 version 2.2. (NAND) © 2001-2006 Red Hat, Inc. > msgmni has been set to 242 > alg: No test for stdrng (krng) > io scheduler noop registered > io scheduler anticipatory registered (default) > io scheduler deadline registered > io scheduler cfq registered > Serial: 8250/16550 driver, 4 ports, IRQ sharing disabled > serial8250.0: ttyS0 at MMIO 0xe0004500 (irq = 16) is a 16550A > console handover: boot [udbg0] -> real [ttyS0] > serial8250.0: ttyS1 at MMIO 0xe0004600 (irq = 17) is a 16550A > brd: module loaded > loop: module loaded > eth0: Gianfar Ethernet Controller Version 1.2, 00:04:9f:ef:23:33 > eth0: Running with NAPI enabled > eth0: 256/256 RX/TX BD ring size > eth1: Gianfar Ethernet Controller Version 1.2, 00:e0:0c:00:7e:21 > eth1: Running with NAPI enabled > eth1: 256/256 RX/TX BD ring size > e100: Intel(R) PRO/100 Network Driver, 3.5.24-k2-NAPI > e100: Copyright(c) 1999-2006 Intel Corporation > Fixed MDIO Bus: probed > IRQ 20/IRQ3 Kernel Driver: IRQF_DISABLED is not guaranteed on shared IRQs > Unable to handle kernel paging request for instruction fetch > Faulting instruction address: 0x00000000 > Oops: Kernel access of bad area, sig: 11 [#1] > MPC831x RDB > Modules linked in: > NIP: 00000000 LR: c004755c CTR: 00000000 > REGS: c7827d50 TRAP: 0400 Not tainted (2.6.30.4) > MSR: 20001032 <ME,IR,DR> CR: 28000022 XER: 20000000 > TASK = c7828000[1] 'swapper' THREAD: c7826000 > GPR00: 00000002 c7827e00 c7828000 00000014 00000002 00000014 c73adb7c > c06bb460 > GPR08: 00000000 00000000 00000014 00000000 00000000 00000000 07fff000 > 00000001 > GPR16: ffffffff 00000000 007fff00 07ff9794 00000000 00000000 007ffeb0 > 00000000 > GPR24: c73ad180 c02d70a4 c0574f28 00009032 00000014 00000000 c73adb40 > c0574f08 > Call Trace: > [c7827e00] [c00474e4] 0xc00474e4 (unreliable) > [c7827e20] [c0047754] 0xc0047754 > [c7827e50] [c019c568] 0xc019c568 > [c7827e90] [c019c7f8] 0xc019c7f8 > [c7827ea0] [c0177a80] 0xc0177a80 > [c7827ec0] [c0177b94] 0xc0177b94 > [c7827ee0] [c01764d8] 0xc01764d8 > [c7827f10] [c0177590] 0xc0177590 > [c7827f20] [c017703c] 0xc017703c > [c7827f40] [c0178080] 0xc0178080 > [c7827f60] [c0319884] 0xc0319884 > [c7827f70] [c00038dc] 0xc00038dc > [c7827fe0] [c03037c0] 0xc03037c0 > [c7827ff0] [c0010778] 0xc0010778 > Instruction dump: > XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX > XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX > ---[ end trace 747097271ea314a9 ]--- > Kernel panic - not syncing: Attempted to kill init! > Rebooting in 180 seconds.. > > > > > > > > > Frank Prepelica > Software Design Engineer > > Ubidyne GmbH > Lise-Meitner-Str.-14 > 89081 Ulm - Germany > > Phone: +49 731 88 00 71 58 > Fax: +49 731 88 00 71 99 > Email: frank.prepel...@ubidyne.com > Homepage: www.ubidyne.com > > Registered office: Ulm > District court of Ulm: HRB 5295 > Managing Directors: > Dipl. Ing. Ken Hawk > Dipl. Ing. Beat Müller > Dipl. Ing. Mike Levis > > > -----Ursprüngliche Nachricht----- > > Von: Michael Ellerman [mailto:mich...@ellerman.id.au] > > Gesendet: Dienstag, 4. August 2009 04:31 > > An: Frank Prepelica > > Cc: linuxppc-...@ozlabs.org > > Betreff: Re: Kernel fault with simple UIO interrupt driver in 2.6.30.4 > > > > On Mon, 2009-08-03 at 15:07 +0200, Frank Prepelica wrote: > > > Hi all, > > > > > > due to a new revision of our custimized board, i need to port our > > current kernel (2.6.24) > > > to the latest kernel version 2.6.30.4. > > > > > > Among other things the UIO interrupt driver makes some trouble. The > > driver runs > > > smoothly on 2.6.24 but I'll get kernel faults when running in > 2.6.30.4. > > > > You seem to have forgotten to post the log of the oops :) > > > > cheers > > _______________________________________________ > Linuxppc-dev mailing list > Linuxppc-dev@lists.ozlabs.org > https://lists.ozlabs.org/listinfo/linuxppc-dev _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev
