* [Xenomai] ipipe enabled 4.1 kernel crash
@ 2016-05-02 15:25 Lennart Sorensen
2016-05-02 16:34 ` Jan Kiszka
0 siblings, 1 reply; 6+ messages in thread
From: Lennart Sorensen @ 2016-05-02 15:25 UTC (permalink / raw)
To: xenomai
I am trying to move to the 4.1 kernel and when I enable IPIPE in the
config, I get a crash at boot, while with IPIPE disabled in the config
I do not get the crash. Any suggestions on where to look?
Using 4.1.22 kernel + ipipe-core-4.1.18-arm-4 patch on AM572x CPU (Dual
A15) with LPAE enabled.
## Booting kernel from Legacy Image at 80007fc0 ...
Image Name: kernel-4.1.0-2-am5726
Image Type: ARM Linux Kernel Image (uncompressed)
Data Size: 2819104 Bytes = 2.7 MiB
Load Address: 80008000
Entry Point: 80008000
Verifying Checksum ... OK
## Flattened Device Tree blob at 86000000
Booting using the fdt blob at 0x86000000
XIP Kernel Image ... OK
Using Device Tree in place at 86000000, end 86019e3a
Starting kernel ...
[ 0.000000] Booting Linux on physical CPU 0x0
[ 0.000000] Linux version 4.1.0-2-am5726 (debian-kernel@lists.debian.org) (gcc version 4.9.2 ( 4.9.2-10) ) #1 SMP Debian 4.1.22-1 (2016-04-25)
[ 0.000000] CPU: ARMv7 Processor [412fc0f2] revision 2 (ARMv7), cr=30c5387d
[ 0.000000] CPU: PIPT / VIPT nonaliasing data cache, PIPT instruction cache
[ 0.000000] Machine model: RCM RX1400
[ 0.000000] Forcing write-allocate cache policy for SMP
[ 0.000000] Memory policy: Data cache writealloc
[ 0.000000] OMAP4: Map 0x00000000bfd00000 to fe600000 for dram barrier
[ 0.000000] DRA752 ES1.1
[ 0.000000] PERCPU: Embedded 15 pages/cpu @eef82000 s31680 r8192 d21568 u61440
[ 0.000000] Built 1 zonelists in Zone order, mobility grouping on. Total pages: 259856
[ 0.000000] Kernel command line: root=/dev/mmcblk0p7 ro console=ttyS2,57600n8 rootwait fips=1 single bootver=2014.04RR26
[ 0.000000] PID hash table entries: 4096 (order: 2, 16384 bytes)
[ 0.000000] Dentry cache hash table entries: 131072 (order: 7, 524288 bytes)
[ 0.000000] Inode-cache hash table entries: 65536 (order: 6, 262144 bytes)
[ 0.000000] Memory: 1027268K/1045504K available (5326K kernel code, 426K rwdata, 2044K rodata, 508K init, 333K bss, 18236K reserved, 0K cma-reserved, 267264K highmem)
[ 0.000000] Virtual kernel memory layout:
[ 0.000000] vector : 0xffff0000 - 0xffff1000 ( 4 kB)
[ 0.000000] fixmap : 0xffc00000 - 0xfff00000 (3072 kB)
[ 0.000000] vmalloc : 0xf0000000 - 0xff000000 ( 240 MB)
[ 0.000000] lowmem : 0xc0000000 - 0xef800000 ( 760 MB)
[ 0.000000] pkmap : 0xbfe00000 - 0xc0000000 ( 2 MB)
[ 0.000000] modules : 0xbf000000 - 0xbfe00000 ( 14 MB)
[ 0.000000] .text : 0xc0008000 - 0xc073ae74 (7372 kB)
[ 0.000000] .init : 0xc073b000 - 0xc07ba000 ( 508 kB)
[ 0.000000] .data : 0xc07ba000 - 0xc0824908 ( 427 kB)
[ 0.000000] .bss : 0xc0827000 - 0xc087a6ac ( 334 kB)
[ 0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=2, Nodes=1
[ 0.000000] Hierarchical RCU implementation.
[ 0.000000] kmemleak: Kernel memory leak detector disabled
[ 0.000000] NR_IRQS:16 nr_irqs:16 16
[ 0.000000] OMAP clockevent source: timer1 at 32768 Hz
[ 0.000000] clocksource 32k_counter: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 58327039986419 ns
[ 0.000030] sched_clock: 32 bits at 32kHz, resolution 30517ns, wraps every 65535999984741ns
[ 0.000030] OMAP clocksource: 32k_counter at 32768 Hz
[ 0.000366] Architected cp15 timer(s) running at 6.14MHz (phys).
[ 0.000366] I-pipe, 6.147 MHz clocksource, wrap in 3000934451555157 ms
[ 0.000396] clocksource ipipe_tsc: mask: 0xffffffffffffffff max_cycles: 0x16af5adb9, max_idle_ns: 440795202250 ns
[ 0.000396] clocksource arch_sys_counter: mask: 0xffffffffffffff max_cycles: 0x16af5adb9, max_idle_ns: 440795202250 ns
[ 0.000432] sched_clock: 56 bits at 6MHz, resolution 162ns, wraps every 4398046511023ns
[ 0.000442] Switching to timer-based delay loop, resolution 162ns
[ 0.001523] Interrupt pipeline (release #4)
[ 0.102164] Calibrating delay loop (skipped), value calculated using timer frequency.. 12.29 BogoMIPS (lpj=6147)
[ 0.102179] pid_max: default: 32768 minimum: 301
[ 0.102268] Security Framework initialized
[ 0.102325] Mount-cache hash table entries: 2048 (order: 1, 8192 bytes)
[ 0.102336] Mountpoint-cache hash table entries: 2048 (order: 1, 8192 bytes)
[ 0.102912] Initializing cgroup subsys net_cls
[ 0.102951] CPU: Testing write buffer coherency: ok
[ 0.103237] /cpus/cpu@0 missing clock-frequency property
[ 0.103289] /cpus/cpu@1 missing clock-frequency property
[ 0.103301] CPU0: thread -1, cpu 0, socket 0, mpidr 80000000
[ 0.103352] Setting up static identity map for 0x80008380 - 0x800083d8
[ 0.106241] CPU1: thread -1, cpu 1, socket 0, mpidr 80000001
[ 0.106318] Brought up 2 CPUs
[ 0.106332] SMP: Total of 2 processors activated (24.58 BogoMIPS).
[ 0.106339] CPU: All CPU(s) started in HYP mode.
[ 0.106346] CPU: Virtualization extensions available.
[ 0.106785] devtmpfs: initialized
[ 0.134693] VFP support v0.3: implementor 41 architecture 4 part 30 variant f rev 0
[ 0.135668] omap_hwmod: l3_main_2 using broken dt data from ocp
[ 0.358605] clocksource jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1911260446275000 ns
[ 0.359002] pinctrl core: initialized pinctrl subsystem
[ 0.359918] NET: Registered protocol family 16
[ 0.360103] DMA: preallocated 256 KiB pool for atomic coherent allocations
[ 0.369806] OMAP GPIO hardware version 0.1
[ 0.376640] irq: no irq domain found for /ocp/l4@4a000000/scm@2000/pinmux@1400 !
[ 0.394067] hw-breakpoint: found 5 (+1 reserved) breakpoint and 4 watchpoint registers.
[ 0.394078] hw-breakpoint: maximum watchpoint size is 8 bytes.
[ 0.394477] omap4_sram_init:Unable to allocate sram needed to handle errata I688
[ 0.394487] omap4_sram_init:Unable to get sram pool needed to handle errata I688
[ 0.395080] OMAP DMA hardware revision 0.0
[ 0.410462] edma 43300000.edma: memcpy is disabled
[ 0.416563] edma 43300000.edma: TI EDMA DMA engine driver
[ 0.420053] omap-dma-engine 4a056000.dma-controller: OMAP DMA engine driver
[ 0.423362] SCSI subsystem initialized
[ 0.423714] usbcore: registered new interface driver usbfs
[ 0.423790] usbcore: registered new interface driver hub
[ 0.423858] usbcore: registered new device driver usb
[ 0.424386] omap_i2c 48070000.i2c: could not find pctldev for node /ocp/l4@4a000000/scm@2000/pinmux@1400/pinmux_i2c1_pins, deferring probe
[ 0.424425] omap_i2c 48072000.i2c: could not find pctldev for node /ocp/l4@4a000000/scm@2000/pinmux@1400/pinmux_i2c2_pins, deferring probe
[ 0.424481] omap_i2c 48060000.i2c: could not find pctldev for node /ocp/l4@4a000000/scm@2000/pinmux@1400/pinmux_i2c3_pins, deferring probe
[ 0.424514] omap_i2c 4807a000.i2c: could not find pctldev for node /ocp/l4@4a000000/scm@2000/pinmux@1400/pinmux_i2c4_pins, deferring probe
[ 0.424660] pps_core: LinuxPPS API ver. 1 registered
[ 0.424668] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <giometti@linux.it>
[ 0.424707] PTP clock support registered
[ 0.426326] Switched to clocksource ipipe_tsc
[ 0.446221] NET: Registered protocol family 2
[ 0.446882] TCP established hash table entries: 8192 (order: 3, 32768 bytes)
[ 0.446948] TCP bind hash table entries: 8192 (order: 4, 65536 bytes)
[ 0.447074] TCP: Hash tables configured (established 8192 bind 8192)
[ 0.447137] UDP hash table entries: 512 (order: 2, 16384 bytes)
[ 0.447168] UDP-Lite hash table entries: 512 (order: 2, 16384 bytes)
[ 0.447380] NET: Registered protocol family 1
[ 0.448026] kvm [1]: interrupt-controller@48214000 IRQ21
[ 0.448246] kvm [1]: timer IRQ19
[ 0.448267] kvm [1]: Hyp mode initialized successfully
[ 0.449107] CPU PMU: Failed to parse /pmu/interrupt-affinity[0]
[ 0.449144] hw perfevents: enabled with armv7_cortex_a15 PMU driver, 7 counters available
[ 0.451056] futex hash table entries: 512 (order: 3, 32768 bytes)
[ 0.451149] audit: initializing netlink subsys (disabled)
[ 0.451212] audit: type=2000 audit(0.445:1): initialized
[ 0.462778] VFS: Disk quotas dquot_6.6.0
[ 0.463000] VFS: Dquot-cache hash table entries: 1024 (order 0, 4096 bytes)
[ 0.464458] squashfs: version 4.0 (2009/01/31) Phillip Lougher
[ 0.468634] alg: No test for stdrng (krng)
[ 0.473670] bounce: pool size: 64 pages
[ 0.473894] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 250)
[ 0.473910] io scheduler noop registered
[ 0.473923] io scheduler deadline registered (default)
[ 0.473960] io scheduler cfq registered
[ 0.476622] pinctrl-single 4a003400.pinmux: 281 pins at pa fc003400 size 1124
[ 0.647326] Serial: 8250/16550 driver, 16 ports, IRQ sharing disabled
[ 0.652404] 4806a000.serial: ttyS0 at MMIO 0x4806a000 (irq = 301, base_baud = 3000000) is a 8250
[ 0.653358] console [ttyS2] disabled
[ 0.653390] 48020000.serial: ttyS2 at MMIO 0x48020000 (irq = 302, base_baud = 3000000) is a 8250
[ 2.111714] console [ttyS2] enabled
[ 2.119646] 48420000.serial: ttyS6 at MMIO 0x48420000 (irq = 303, base_baud = 3000000) is a 8250
[ 2.138162] 48422000.serial: ttyS7 at MMIO 0x48422000 (irq = 304, base_baud = 3000000) is a 8250
[ 2.156993] omap_rng 48090000.rng: OMAP Random Number Generator ver. 20
[ 2.172394] libphy: Fixed MDIO Bus: probed
[ 2.214348] davinci_mdio 48485000.mdio: davinci mdio revision 1.6
[ 2.226599] davinci_mdio 48485000.mdio: no live phy, scanning all
[ 2.239825] davinci_mdio: probe of 48485000.mdio failed with error -5
[ 2.253437] cpsw 48484000.ethernet: Detected MACID = 94:b8:c5:ef:a5:ff
[ 2.267754] usbcore: registered new interface driver cdc_wdm
[ 2.279219] usbcore: registered new interface driver usb-storage
[ 2.291853] i2c /dev entries driver
[ 2.299590] device-mapper: uevent: version 1.0.3
[ 2.309229] device-mapper: ioctl: 4.31.0-ioctl (2015-3-12) initialised: dm-devel@redhat.com
[ 2.326759] omap_hsmmc 4809c000.mmc: Got CD GPIO
[ 2.336093] omap_hsmmc 4809c000.mmc: dtb requests mmcblk1
[ 2.347127] omap_hsmmc 4809c000.mmc: no pinctrl state for sdr104 mode
[ 2.360086] omap_hsmmc 4809c000.mmc: no pinctrl state for ddr50 mode
[ 2.372873] omap_hsmmc 4809c000.mmc: no pinctrl state for sdr50 mode
[ 2.385657] omap_hsmmc 4809c000.mmc: no pinctrl state for sdr25 mode
[ 2.398432] omap_hsmmc 4809c000.mmc: no pinctrl state for sdr12 mode
[ 2.417774] omap_hsmmc 480b4000.mmc: dtb requests mmcblk0
[ 2.428771] omap_hsmmc 480b4000.mmc: no pinctrl state for sdr25 mode
[ 2.441542] omap_hsmmc 480b4000.mmc: no pinctrl state for sdr12 mode
[ 2.454306] omap_hsmmc 480b4000.mmc: no pinctrl state for ddr_1_8v mode
[ 2.467602] omap_hsmmc 480b4000.mmc: no pinctrl state for hs200_1_8v mode
[ 2.481422] reg-fixed-voltage fixedregulator-evm_3v3_sw: Failed to resolve vin-supply for evm_3v3_sw
[ 2.504772] ledtrig-cpu: registered to indicate activity on CPUs
[ 2.517248] omap-sham 4b101000.sham: hw accel on OMAP rev 4.3
[ 2.528979] Unable to handle kernel NULL pointer dereference at virtual address 00000000
[ 2.545215] pgd = c0003000
[ 2.550636] [00000000] *pgd=80000080004003, *pmd=00000000
[ 2.561487] Internal error: Oops: 80000206 [#1] SMP ARM
[ 2.571968] Modules linked in:
[ 2.578098] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.1.0-2-am5726 #1 Debian 4.1.22-1
[ 2.594159] Hardware name: Generic DRA74X (Flattened Device Tree)
[ 2.606384] task: c07bfbf8 ti: c07ba000 task.ti: c07ba000
[ 2.617211] PC is at 0x0
[ 2.622288] LR is at __ipipe_ack_fasteoi_irq+0x1c/0x20
[ 2.632595] pc : [<00000000>] lr : [<c00975f0>] psr: a0000193
[ 2.632595] sp : c07bbe88 ip : c07bbe98 fp : c07bbe94
[ 2.655635] r10: 00000021 r9 : c08182c0 r8 : 00000020
[ 2.666113] r7 : 00000000 r6 : c07bbf00 r5 : 00000000 r4 : c07d3b9c
[ 2.679209] r3 : 00000000 r2 : c084f1c0 r1 : eeaab180 r0 : eeaab180
[ 2.692306] Flags: NzCv IRQs off FIQs on Mode SVC_32 ISA ARM Segment kernel
[ 2.707149] Control: 30c5387d Table: 80003000 DAC: fffffffd
[ 2.718675] Process swapper/0 (pid: 0, stack limit = 0xc07ba218)
[ 2.730724] Stack: (0xc07bbe88 to 0xc07bc000)
[ 2.739462] be80: c07bbec4 c07bbe98 c00dde78 c00975e0 c00dd8cc c07bbf00
[ 2.755874] bea0: c07bcbc4 c07bbf00 fa212000 c0540d34 c08182c0 c079f6e8 c07bbedc c07bbec8
[ 2.772287] bec0: c0009578 c00dddfc 000000c0 fa21200c c07bbefc c07bbee0 c00098a0 c0009510
[ 2.788699] bee0: c00dd8cc 60000113 ffffffff c07bbf34 c07bbf54 c07bbf00 c0538840 c0009878
[ 2.805110] bf00: eef83878 00000000 2e7d0000 00000000 c07ba000 c07bc620 c0827000 c07bc5d4
[ 2.821523] bf20: c0540d34 c08182c0 c079f6e8 c07bbf54 c07bbf58 c07bbf48 c0028410 c00dd8cc
[ 2.837934] bf40: 60000113 ffffffff c07bbf64 c07bbf58 c0028410 c00dd880 c07bbf8c c07bbf68
[ 2.854346] bf60: c008a6fc c002837c c08175de c08272c0 c07bca38 c07b23c4 c0534f94 00000000
[ 2.870757] bf80: c07bbf9c c07bbf90 c0530e98 c008a4e8 c07bbff4 c07bbfa0 c073bd54 c0530e24
[ 2.887170] bfa0: ffffffff ffffffff c073b6f0 00000000 ffffffff 00000000 00000000 c07bc540
[ 2.903582] bfc0: 00000000 c079f6e8 00000000 c0827314 c07bc5a8 c079f6e4 c07c28c0 80007000
[ 2.919994] bfe0: 412fc0f2 00000000 00000000 c07bbff8 80008090 c073b970 00000000 00000000
[ 2.936402] Backtrace:
[ 2.941320] [<c00975d4>] (__ipipe_ack_fasteoi_irq) from [<c00dde78>] (__ipipe_dispatch_irq+0x88/0x23c)
[ 2.960003] [<c00dddf0>] (__ipipe_dispatch_irq) from [<c0009578>] (__ipipe_grab_irq+0x74/0x8c)
[ 2.977284] r10:c079f6e8 r9:c08182c0 r8:c0540d34 r7:fa212000 r6:c07bbf00 r5:c07bcbc4
[ 2.993049] r4:c07bbf00 r3:c00dd8cc
[ 3.000238] [<c0009504>] (__ipipe_grab_irq) from [<c00098a0>] (gic_handle_irq+0x34/0x64)
[ 3.016475] Exception stack(0xc07bbee0 to 0xc07bbf28)
[ 3.026607] bee0: c00dd8cc 60000113 ffffffff c07bbf34 c07bbf54 c07bbf00 c0538840 c0009878
[ 3.043018] bf00: eef83878 00000000 2e7d0000 00000000 c07ba000 c07bc620 c0827000 c07bc5d4
[ 3.059428] bf20: c0540d34 c08182c0
[ 3.066419] r4:fa21200c r3:000000c0
[ 3.073614] [<c000986c>] (gic_handle_irq) from [<c0538840>] (__irq_svc+0x40/0x4c)
[ 3.088629] Exception stack(0xc07bbf00 to 0xc07bbf48)
[ 3.098762] bf00: eef83878 00000000 2e7d0000 00000000 c07ba000 c07bc620 c0827000 c07bc5d4
[ 3.115173] bf20: c0540d34 c08182c0 c079f6e8 c07bbf54 c07bbf58 c07bbf48 c0028410 c00dd8cc
[ 3.131582] bf40: 60000113 ffffffff
[ 3.138573] r7:c07bbf34 r6:ffffffff r5:60000113 r4:c00dd8cc
[ 3.149971] [<c00dd874>] (ipipe_unstall_root) from [<c0028410>] (arch_cpu_idle+0xa0/0xac)
[ 3.166386] [<c0028370>] (arch_cpu_idle) from [<c008a6fc>] (cpu_startup_entry+0x220/0x2bc)
[ 3.182974] [<c008a4dc>] (cpu_startup_entry) from [<c0530e98>] (rest_init+0x80/0x84)
[ 3.198511] r7:00000000
[ 3.203599] [<c0530e18>] (rest_init) from [<c073bd54>] (start_kernel+0x3f0/0x3fc)
[ 3.218617] [<c073b964>] (start_kernel) from [<80008090>] (0x80008090)
[ 3.231711] r10:00000000 r9:412fc0f2 r8:80007000 r7:c07c28c0 r6:c079f6e4 r5:c07bc5a8
[ 3.247472] r4:c0827314
[ 3.252555] Code: bad PC value
[ 3.258684] ---[ end trace 9986ec0f8b714eed ]---
[ 3.267944] Kernel panic - not syncing: Attempted to kill the idle task!
[ 3.281391] CPU1: stopping
[ 3.286818] CPU: 1 PID: 0 Comm: swapper/1 Tainted: G D 4.1.0-2-am5726 #1 Debian 4.1.22-1
[ 3.305321] Hardware name: Generic DRA74X (Flattened Device Tree)
[ 3.317543] Backtrace:
[ 3.322456] [<c002b67c>] (dump_backtrace) from [<c002b8a0>] (show_stack+0x18/0x1c)
[ 3.337644] r6:ee8ee000 r5:00000000 r4:c07f5b4c r3:00000000
[ 3.349042] [<c002b888>] (show_stack) from [<c0533c68>] (dump_stack+0xa4/0xc0)
[ 3.363539] [<c0533bc4>] (dump_stack) from [<c002d954>] (handle_IPI+0x2a8/0x2c4)
[ 3.378378] r7:00000005 r6:c08272c0 r5:c07bca38 r4:c0827360
[ 3.389774] [<c002d6ac>] (handle_IPI) from [<c002d9ac>] (__ipipe_do_IPI+0x3c/0x44)
[ 3.404962] r10:c084f1c0 r9:eef92888 r8:eef92880 r7:eef92880 r6:00000001 r5:00000000
[ 3.420724] r4:c085f300
[ 3.425812] [<c002d970>] (__ipipe_do_IPI) from [<c00dd740>] (__ipipe_do_sync_stage+0x280/0x2c4)
[ 3.443274] [<c00dd4c0>] (__ipipe_do_sync_stage) from [<c00de004>] (__ipipe_dispatch_irq+0x214/0x23c)
[ 3.461775] r10:00000406 r9:c07b5bb8 r8:00000405 r7:00000001 r6:c08272c0 r5:c07bca38
[ 3.477534] r4:c07d3b9c
[ 3.482620] [<c00dddf0>] (__ipipe_dispatch_irq) from [<c0009494>] (__ipipe_grab_ipi+0x34/0x90)
[ 3.499901] r10:00000000 r9:c08182c0 r8:c0540d34 r7:fa212000 r6:ee8eff50 r5:c07bcbc4
[ 3.515661] r4:ee8eff50 r3:0000040c
[ 3.522847] [<c0009460>] (__ipipe_grab_ipi) from [<c00098cc>] (gic_handle_irq+0x60/0x64)
[ 3.539081] Exception stack(0xee8eff30 to 0xee8eff78)
[ 3.549212] ff20: c00dd8cc 60000113 ffffffff ee8eff84
[ 3.565623] ff40: ee8effa4 ee8eff50 c0538840 c0009878 eef92878 00000000 2e7df000 00000000
[ 3.582034] ff60: ee8ee000 c07bc620 30c0387d c07bc5d4 c0540d34 c08182c0
[ 3.595302] r4:fa21200c r3:c0028410
[ 3.602493] [<c000986c>] (gic_handle_irq) from [<c0538840>] (__irq_svc+0x40/0x4c)
[ 3.617506] Exception stack(0xee8eff50 to 0xee8eff98)
[ 3.627638] ff40: eef92878 00000000 2e7df000 00000000
[ 3.644049] ff60: ee8ee000 c07bc620 30c0387d c07bc5d4 c0540d34 c08182c0 00000000 ee8effa4
[ 3.660459] ff80: ee8effa8 ee8eff98 c0028410 c00dd8cc 60000113 ffffffff
[ 3.673727] r7:ee8eff84 r6:ffffffff r5:60000113 r4:c00dd8cc
[ 3.685124] [<c00dd874>] (ipipe_unstall_root) from [<c0028410>] (arch_cpu_idle+0xa0/0xac)
[ 3.701538] [<c0028370>] (arch_cpu_idle) from [<c008a6fc>] (cpu_startup_entry+0x220/0x2bc)
[ 3.718126] [<c008a4dc>] (cpu_startup_entry) from [<c002d3a8>] (secondary_start_kernel+0x138/0x154)
[ 3.736279] r7:c0827380
[ 3.741363] [<c002d270>] (secondary_start_kernel) from [<8000996c>] (0x8000996c)
[ 3.756201] r5:00000000 r4:ae88ec80
[ 3.763391] ---[ end Kernel panic - not syncing: Attempted to kill the idle task!
--
Len Sorensen
^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: [Xenomai] ipipe enabled 4.1 kernel crash
2016-05-02 15:25 [Xenomai] ipipe enabled 4.1 kernel crash Lennart Sorensen
@ 2016-05-02 16:34 ` Jan Kiszka
2016-05-02 16:54 ` Lennart Sorensen
0 siblings, 1 reply; 6+ messages in thread
From: Jan Kiszka @ 2016-05-02 16:34 UTC (permalink / raw)
To: Lennart Sorensen, xenomai
On 2016-05-02 17:25, Lennart Sorensen wrote:
> I am trying to move to the 4.1 kernel and when I enable IPIPE in the
> config, I get a crash at boot, while with IPIPE disabled in the config
> I do not get the crash. Any suggestions on where to look?
>
> Using 4.1.22 kernel + ipipe-core-4.1.18-arm-4 patch on AM572x CPU (Dual
> A15) with LPAE enabled.
>
> ## Booting kernel from Legacy Image at 80007fc0 ...
> Image Name: kernel-4.1.0-2-am5726
> Image Type: ARM Linux Kernel Image (uncompressed)
> Data Size: 2819104 Bytes = 2.7 MiB
> Load Address: 80008000
> Entry Point: 80008000
> Verifying Checksum ... OK
> ## Flattened Device Tree blob at 86000000
> Booting using the fdt blob at 0x86000000
> XIP Kernel Image ... OK
> Using Device Tree in place at 86000000, end 86019e3a
>
> Starting kernel ...
>
> [ 0.000000] Booting Linux on physical CPU 0x0
> [ 0.000000] Linux version 4.1.0-2-am5726 (debian-kernel@lists.debian.org) (gcc version 4.9.2 ( 4.9.2-10) ) #1 SMP Debian 4.1.22-1 (2016-04-25)
> [ 0.000000] CPU: ARMv7 Processor [412fc0f2] revision 2 (ARMv7), cr=30c5387d
> [ 0.000000] CPU: PIPT / VIPT nonaliasing data cache, PIPT instruction cache
> [ 0.000000] Machine model: RCM RX1400
> [ 0.000000] Forcing write-allocate cache policy for SMP
> [ 0.000000] Memory policy: Data cache writealloc
> [ 0.000000] OMAP4: Map 0x00000000bfd00000 to fe600000 for dram barrier
> [ 0.000000] DRA752 ES1.1
> [ 0.000000] PERCPU: Embedded 15 pages/cpu @eef82000 s31680 r8192 d21568 u61440
> [ 0.000000] Built 1 zonelists in Zone order, mobility grouping on. Total pages: 259856
> [ 0.000000] Kernel command line: root=/dev/mmcblk0p7 ro console=ttyS2,57600n8 rootwait fips=1 single bootver=2014.04RR26
> [ 0.000000] PID hash table entries: 4096 (order: 2, 16384 bytes)
> [ 0.000000] Dentry cache hash table entries: 131072 (order: 7, 524288 bytes)
> [ 0.000000] Inode-cache hash table entries: 65536 (order: 6, 262144 bytes)
> [ 0.000000] Memory: 1027268K/1045504K available (5326K kernel code, 426K rwdata, 2044K rodata, 508K init, 333K bss, 18236K reserved, 0K cma-reserved, 267264K highmem)
> [ 0.000000] Virtual kernel memory layout:
> [ 0.000000] vector : 0xffff0000 - 0xffff1000 ( 4 kB)
> [ 0.000000] fixmap : 0xffc00000 - 0xfff00000 (3072 kB)
> [ 0.000000] vmalloc : 0xf0000000 - 0xff000000 ( 240 MB)
> [ 0.000000] lowmem : 0xc0000000 - 0xef800000 ( 760 MB)
> [ 0.000000] pkmap : 0xbfe00000 - 0xc0000000 ( 2 MB)
> [ 0.000000] modules : 0xbf000000 - 0xbfe00000 ( 14 MB)
> [ 0.000000] .text : 0xc0008000 - 0xc073ae74 (7372 kB)
> [ 0.000000] .init : 0xc073b000 - 0xc07ba000 ( 508 kB)
> [ 0.000000] .data : 0xc07ba000 - 0xc0824908 ( 427 kB)
> [ 0.000000] .bss : 0xc0827000 - 0xc087a6ac ( 334 kB)
> [ 0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=2, Nodes=1
> [ 0.000000] Hierarchical RCU implementation.
> [ 0.000000] kmemleak: Kernel memory leak detector disabled
> [ 0.000000] NR_IRQS:16 nr_irqs:16 16
> [ 0.000000] OMAP clockevent source: timer1 at 32768 Hz
> [ 0.000000] clocksource 32k_counter: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 58327039986419 ns
> [ 0.000030] sched_clock: 32 bits at 32kHz, resolution 30517ns, wraps every 65535999984741ns
> [ 0.000030] OMAP clocksource: 32k_counter at 32768 Hz
> [ 0.000366] Architected cp15 timer(s) running at 6.14MHz (phys).
> [ 0.000366] I-pipe, 6.147 MHz clocksource, wrap in 3000934451555157 ms
> [ 0.000396] clocksource ipipe_tsc: mask: 0xffffffffffffffff max_cycles: 0x16af5adb9, max_idle_ns: 440795202250 ns
> [ 0.000396] clocksource arch_sys_counter: mask: 0xffffffffffffff max_cycles: 0x16af5adb9, max_idle_ns: 440795202250 ns
> [ 0.000432] sched_clock: 56 bits at 6MHz, resolution 162ns, wraps every 4398046511023ns
> [ 0.000442] Switching to timer-based delay loop, resolution 162ns
> [ 0.001523] Interrupt pipeline (release #4)
> [ 0.102164] Calibrating delay loop (skipped), value calculated using timer frequency.. 12.29 BogoMIPS (lpj=6147)
> [ 0.102179] pid_max: default: 32768 minimum: 301
> [ 0.102268] Security Framework initialized
> [ 0.102325] Mount-cache hash table entries: 2048 (order: 1, 8192 bytes)
> [ 0.102336] Mountpoint-cache hash table entries: 2048 (order: 1, 8192 bytes)
> [ 0.102912] Initializing cgroup subsys net_cls
> [ 0.102951] CPU: Testing write buffer coherency: ok
> [ 0.103237] /cpus/cpu@0 missing clock-frequency property
> [ 0.103289] /cpus/cpu@1 missing clock-frequency property
> [ 0.103301] CPU0: thread -1, cpu 0, socket 0, mpidr 80000000
> [ 0.103352] Setting up static identity map for 0x80008380 - 0x800083d8
> [ 0.106241] CPU1: thread -1, cpu 1, socket 0, mpidr 80000001
> [ 0.106318] Brought up 2 CPUs
> [ 0.106332] SMP: Total of 2 processors activated (24.58 BogoMIPS).
> [ 0.106339] CPU: All CPU(s) started in HYP mode.
> [ 0.106346] CPU: Virtualization extensions available.
> [ 0.106785] devtmpfs: initialized
> [ 0.134693] VFP support v0.3: implementor 41 architecture 4 part 30 variant f rev 0
> [ 0.135668] omap_hwmod: l3_main_2 using broken dt data from ocp
> [ 0.358605] clocksource jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1911260446275000 ns
> [ 0.359002] pinctrl core: initialized pinctrl subsystem
> [ 0.359918] NET: Registered protocol family 16
> [ 0.360103] DMA: preallocated 256 KiB pool for atomic coherent allocations
> [ 0.369806] OMAP GPIO hardware version 0.1
> [ 0.376640] irq: no irq domain found for /ocp/l4@4a000000/scm@2000/pinmux@1400 !
> [ 0.394067] hw-breakpoint: found 5 (+1 reserved) breakpoint and 4 watchpoint registers.
> [ 0.394078] hw-breakpoint: maximum watchpoint size is 8 bytes.
> [ 0.394477] omap4_sram_init:Unable to allocate sram needed to handle errata I688
> [ 0.394487] omap4_sram_init:Unable to get sram pool needed to handle errata I688
> [ 0.395080] OMAP DMA hardware revision 0.0
> [ 0.410462] edma 43300000.edma: memcpy is disabled
> [ 0.416563] edma 43300000.edma: TI EDMA DMA engine driver
> [ 0.420053] omap-dma-engine 4a056000.dma-controller: OMAP DMA engine driver
> [ 0.423362] SCSI subsystem initialized
> [ 0.423714] usbcore: registered new interface driver usbfs
> [ 0.423790] usbcore: registered new interface driver hub
> [ 0.423858] usbcore: registered new device driver usb
> [ 0.424386] omap_i2c 48070000.i2c: could not find pctldev for node /ocp/l4@4a000000/scm@2000/pinmux@1400/pinmux_i2c1_pins, deferring probe
> [ 0.424425] omap_i2c 48072000.i2c: could not find pctldev for node /ocp/l4@4a000000/scm@2000/pinmux@1400/pinmux_i2c2_pins, deferring probe
> [ 0.424481] omap_i2c 48060000.i2c: could not find pctldev for node /ocp/l4@4a000000/scm@2000/pinmux@1400/pinmux_i2c3_pins, deferring probe
> [ 0.424514] omap_i2c 4807a000.i2c: could not find pctldev for node /ocp/l4@4a000000/scm@2000/pinmux@1400/pinmux_i2c4_pins, deferring probe
> [ 0.424660] pps_core: LinuxPPS API ver. 1 registered
> [ 0.424668] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <giometti@linux.it>
> [ 0.424707] PTP clock support registered
> [ 0.426326] Switched to clocksource ipipe_tsc
> [ 0.446221] NET: Registered protocol family 2
> [ 0.446882] TCP established hash table entries: 8192 (order: 3, 32768 bytes)
> [ 0.446948] TCP bind hash table entries: 8192 (order: 4, 65536 bytes)
> [ 0.447074] TCP: Hash tables configured (established 8192 bind 8192)
> [ 0.447137] UDP hash table entries: 512 (order: 2, 16384 bytes)
> [ 0.447168] UDP-Lite hash table entries: 512 (order: 2, 16384 bytes)
> [ 0.447380] NET: Registered protocol family 1
> [ 0.448026] kvm [1]: interrupt-controller@48214000 IRQ21
> [ 0.448246] kvm [1]: timer IRQ19
> [ 0.448267] kvm [1]: Hyp mode initialized successfully
> [ 0.449107] CPU PMU: Failed to parse /pmu/interrupt-affinity[0]
> [ 0.449144] hw perfevents: enabled with armv7_cortex_a15 PMU driver, 7 counters available
> [ 0.451056] futex hash table entries: 512 (order: 3, 32768 bytes)
> [ 0.451149] audit: initializing netlink subsys (disabled)
> [ 0.451212] audit: type=2000 audit(0.445:1): initialized
> [ 0.462778] VFS: Disk quotas dquot_6.6.0
> [ 0.463000] VFS: Dquot-cache hash table entries: 1024 (order 0, 4096 bytes)
> [ 0.464458] squashfs: version 4.0 (2009/01/31) Phillip Lougher
> [ 0.468634] alg: No test for stdrng (krng)
> [ 0.473670] bounce: pool size: 64 pages
> [ 0.473894] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 250)
> [ 0.473910] io scheduler noop registered
> [ 0.473923] io scheduler deadline registered (default)
> [ 0.473960] io scheduler cfq registered
> [ 0.476622] pinctrl-single 4a003400.pinmux: 281 pins at pa fc003400 size 1124
> [ 0.647326] Serial: 8250/16550 driver, 16 ports, IRQ sharing disabled
> [ 0.652404] 4806a000.serial: ttyS0 at MMIO 0x4806a000 (irq = 301, base_baud = 3000000) is a 8250
> [ 0.653358] console [ttyS2] disabled
> [ 0.653390] 48020000.serial: ttyS2 at MMIO 0x48020000 (irq = 302, base_baud = 3000000) is a 8250
> [ 2.111714] console [ttyS2] enabled
> [ 2.119646] 48420000.serial: ttyS6 at MMIO 0x48420000 (irq = 303, base_baud = 3000000) is a 8250
> [ 2.138162] 48422000.serial: ttyS7 at MMIO 0x48422000 (irq = 304, base_baud = 3000000) is a 8250
> [ 2.156993] omap_rng 48090000.rng: OMAP Random Number Generator ver. 20
> [ 2.172394] libphy: Fixed MDIO Bus: probed
> [ 2.214348] davinci_mdio 48485000.mdio: davinci mdio revision 1.6
> [ 2.226599] davinci_mdio 48485000.mdio: no live phy, scanning all
> [ 2.239825] davinci_mdio: probe of 48485000.mdio failed with error -5
> [ 2.253437] cpsw 48484000.ethernet: Detected MACID = 94:b8:c5:ef:a5:ff
> [ 2.267754] usbcore: registered new interface driver cdc_wdm
> [ 2.279219] usbcore: registered new interface driver usb-storage
> [ 2.291853] i2c /dev entries driver
> [ 2.299590] device-mapper: uevent: version 1.0.3
> [ 2.309229] device-mapper: ioctl: 4.31.0-ioctl (2015-3-12) initialised: dm-devel@redhat.com
> [ 2.326759] omap_hsmmc 4809c000.mmc: Got CD GPIO
> [ 2.336093] omap_hsmmc 4809c000.mmc: dtb requests mmcblk1
> [ 2.347127] omap_hsmmc 4809c000.mmc: no pinctrl state for sdr104 mode
> [ 2.360086] omap_hsmmc 4809c000.mmc: no pinctrl state for ddr50 mode
> [ 2.372873] omap_hsmmc 4809c000.mmc: no pinctrl state for sdr50 mode
> [ 2.385657] omap_hsmmc 4809c000.mmc: no pinctrl state for sdr25 mode
> [ 2.398432] omap_hsmmc 4809c000.mmc: no pinctrl state for sdr12 mode
> [ 2.417774] omap_hsmmc 480b4000.mmc: dtb requests mmcblk0
> [ 2.428771] omap_hsmmc 480b4000.mmc: no pinctrl state for sdr25 mode
> [ 2.441542] omap_hsmmc 480b4000.mmc: no pinctrl state for sdr12 mode
> [ 2.454306] omap_hsmmc 480b4000.mmc: no pinctrl state for ddr_1_8v mode
> [ 2.467602] omap_hsmmc 480b4000.mmc: no pinctrl state for hs200_1_8v mode
> [ 2.481422] reg-fixed-voltage fixedregulator-evm_3v3_sw: Failed to resolve vin-supply for evm_3v3_sw
> [ 2.504772] ledtrig-cpu: registered to indicate activity on CPUs
> [ 2.517248] omap-sham 4b101000.sham: hw accel on OMAP rev 4.3
> [ 2.528979] Unable to handle kernel NULL pointer dereference at virtual address 00000000
> [ 2.545215] pgd = c0003000
> [ 2.550636] [00000000] *pgd=80000080004003, *pmd=00000000
> [ 2.561487] Internal error: Oops: 80000206 [#1] SMP ARM
> [ 2.571968] Modules linked in:
> [ 2.578098] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.1.0-2-am5726 #1 Debian 4.1.22-1
> [ 2.594159] Hardware name: Generic DRA74X (Flattened Device Tree)
> [ 2.606384] task: c07bfbf8 ti: c07ba000 task.ti: c07ba000
> [ 2.617211] PC is at 0x0
> [ 2.622288] LR is at __ipipe_ack_fasteoi_irq+0x1c/0x20
Check which handler from which object is called here that isn't
apparently initialized for this case. Maybe this particular irqchip
isn't (fully) enabled for I-pipe yet.
Jan
--
Siemens AG, Corporate Technology, CT RDA ITP SES-DE
Corporate Competence Center Embedded Linux
^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: [Xenomai] ipipe enabled 4.1 kernel crash
2016-05-02 16:34 ` Jan Kiszka
@ 2016-05-02 16:54 ` Lennart Sorensen
2016-05-02 17:17 ` Lennart Sorensen
0 siblings, 1 reply; 6+ messages in thread
From: Lennart Sorensen @ 2016-05-02 16:54 UTC (permalink / raw)
To: Jan Kiszka; +Cc: xenomai
On Mon, May 02, 2016 at 06:34:11PM +0200, Jan Kiszka wrote:
> On 2016-05-02 17:25, Lennart Sorensen wrote:
> > I am trying to move to the 4.1 kernel and when I enable IPIPE in the
> > config, I get a crash at boot, while with IPIPE disabled in the config
> > I do not get the crash. Any suggestions on where to look?
> >
> > Using 4.1.22 kernel + ipipe-core-4.1.18-arm-4 patch on AM572x CPU (Dual
> > A15) with LPAE enabled.
> >
> > ## Booting kernel from Legacy Image at 80007fc0 ...
> > Image Name: kernel-4.1.0-2-am5726
> > Image Type: ARM Linux Kernel Image (uncompressed)
> > Data Size: 2819104 Bytes = 2.7 MiB
> > Load Address: 80008000
> > Entry Point: 80008000
> > Verifying Checksum ... OK
> > ## Flattened Device Tree blob at 86000000
> > Booting using the fdt blob at 0x86000000
> > XIP Kernel Image ... OK
> > Using Device Tree in place at 86000000, end 86019e3a
> >
> > Starting kernel ...
> >
> > [ 0.000000] Booting Linux on physical CPU 0x0
> > [ 0.000000] Linux version 4.1.0-2-am5726 (debian-kernel@lists.debian.org) (gcc version 4.9.2 ( 4.9.2-10) ) #1 SMP Debian 4.1.22-1 (2016-04-25)
> > [ 0.000000] CPU: ARMv7 Processor [412fc0f2] revision 2 (ARMv7), cr=30c5387d
> > [ 0.000000] CPU: PIPT / VIPT nonaliasing data cache, PIPT instruction cache
> > [ 0.000000] Machine model: RCM RX1400
> > [ 0.000000] Forcing write-allocate cache policy for SMP
> > [ 0.000000] Memory policy: Data cache writealloc
> > [ 0.000000] OMAP4: Map 0x00000000bfd00000 to fe600000 for dram barrier
> > [ 0.000000] DRA752 ES1.1
> > [ 0.000000] PERCPU: Embedded 15 pages/cpu @eef82000 s31680 r8192 d21568 u61440
> > [ 0.000000] Built 1 zonelists in Zone order, mobility grouping on. Total pages: 259856
> > [ 0.000000] Kernel command line: root=/dev/mmcblk0p7 ro console=ttyS2,57600n8 rootwait fips=1 single bootver=2014.04RR26
> > [ 0.000000] PID hash table entries: 4096 (order: 2, 16384 bytes)
> > [ 0.000000] Dentry cache hash table entries: 131072 (order: 7, 524288 bytes)
> > [ 0.000000] Inode-cache hash table entries: 65536 (order: 6, 262144 bytes)
> > [ 0.000000] Memory: 1027268K/1045504K available (5326K kernel code, 426K rwdata, 2044K rodata, 508K init, 333K bss, 18236K reserved, 0K cma-reserved, 267264K highmem)
> > [ 0.000000] Virtual kernel memory layout:
> > [ 0.000000] vector : 0xffff0000 - 0xffff1000 ( 4 kB)
> > [ 0.000000] fixmap : 0xffc00000 - 0xfff00000 (3072 kB)
> > [ 0.000000] vmalloc : 0xf0000000 - 0xff000000 ( 240 MB)
> > [ 0.000000] lowmem : 0xc0000000 - 0xef800000 ( 760 MB)
> > [ 0.000000] pkmap : 0xbfe00000 - 0xc0000000 ( 2 MB)
> > [ 0.000000] modules : 0xbf000000 - 0xbfe00000 ( 14 MB)
> > [ 0.000000] .text : 0xc0008000 - 0xc073ae74 (7372 kB)
> > [ 0.000000] .init : 0xc073b000 - 0xc07ba000 ( 508 kB)
> > [ 0.000000] .data : 0xc07ba000 - 0xc0824908 ( 427 kB)
> > [ 0.000000] .bss : 0xc0827000 - 0xc087a6ac ( 334 kB)
> > [ 0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=2, Nodes=1
> > [ 0.000000] Hierarchical RCU implementation.
> > [ 0.000000] kmemleak: Kernel memory leak detector disabled
> > [ 0.000000] NR_IRQS:16 nr_irqs:16 16
> > [ 0.000000] OMAP clockevent source: timer1 at 32768 Hz
> > [ 0.000000] clocksource 32k_counter: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 58327039986419 ns
> > [ 0.000030] sched_clock: 32 bits at 32kHz, resolution 30517ns, wraps every 65535999984741ns
> > [ 0.000030] OMAP clocksource: 32k_counter at 32768 Hz
> > [ 0.000366] Architected cp15 timer(s) running at 6.14MHz (phys).
> > [ 0.000366] I-pipe, 6.147 MHz clocksource, wrap in 3000934451555157 ms
> > [ 0.000396] clocksource ipipe_tsc: mask: 0xffffffffffffffff max_cycles: 0x16af5adb9, max_idle_ns: 440795202250 ns
> > [ 0.000396] clocksource arch_sys_counter: mask: 0xffffffffffffff max_cycles: 0x16af5adb9, max_idle_ns: 440795202250 ns
> > [ 0.000432] sched_clock: 56 bits at 6MHz, resolution 162ns, wraps every 4398046511023ns
> > [ 0.000442] Switching to timer-based delay loop, resolution 162ns
> > [ 0.001523] Interrupt pipeline (release #4)
> > [ 0.102164] Calibrating delay loop (skipped), value calculated using timer frequency.. 12.29 BogoMIPS (lpj=6147)
> > [ 0.102179] pid_max: default: 32768 minimum: 301
> > [ 0.102268] Security Framework initialized
> > [ 0.102325] Mount-cache hash table entries: 2048 (order: 1, 8192 bytes)
> > [ 0.102336] Mountpoint-cache hash table entries: 2048 (order: 1, 8192 bytes)
> > [ 0.102912] Initializing cgroup subsys net_cls
> > [ 0.102951] CPU: Testing write buffer coherency: ok
> > [ 0.103237] /cpus/cpu@0 missing clock-frequency property
> > [ 0.103289] /cpus/cpu@1 missing clock-frequency property
> > [ 0.103301] CPU0: thread -1, cpu 0, socket 0, mpidr 80000000
> > [ 0.103352] Setting up static identity map for 0x80008380 - 0x800083d8
> > [ 0.106241] CPU1: thread -1, cpu 1, socket 0, mpidr 80000001
> > [ 0.106318] Brought up 2 CPUs
> > [ 0.106332] SMP: Total of 2 processors activated (24.58 BogoMIPS).
> > [ 0.106339] CPU: All CPU(s) started in HYP mode.
> > [ 0.106346] CPU: Virtualization extensions available.
> > [ 0.106785] devtmpfs: initialized
> > [ 0.134693] VFP support v0.3: implementor 41 architecture 4 part 30 variant f rev 0
> > [ 0.135668] omap_hwmod: l3_main_2 using broken dt data from ocp
> > [ 0.358605] clocksource jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1911260446275000 ns
> > [ 0.359002] pinctrl core: initialized pinctrl subsystem
> > [ 0.359918] NET: Registered protocol family 16
> > [ 0.360103] DMA: preallocated 256 KiB pool for atomic coherent allocations
> > [ 0.369806] OMAP GPIO hardware version 0.1
> > [ 0.376640] irq: no irq domain found for /ocp/l4@4a000000/scm@2000/pinmux@1400 !
> > [ 0.394067] hw-breakpoint: found 5 (+1 reserved) breakpoint and 4 watchpoint registers.
> > [ 0.394078] hw-breakpoint: maximum watchpoint size is 8 bytes.
> > [ 0.394477] omap4_sram_init:Unable to allocate sram needed to handle errata I688
> > [ 0.394487] omap4_sram_init:Unable to get sram pool needed to handle errata I688
> > [ 0.395080] OMAP DMA hardware revision 0.0
> > [ 0.410462] edma 43300000.edma: memcpy is disabled
> > [ 0.416563] edma 43300000.edma: TI EDMA DMA engine driver
> > [ 0.420053] omap-dma-engine 4a056000.dma-controller: OMAP DMA engine driver
> > [ 0.423362] SCSI subsystem initialized
> > [ 0.423714] usbcore: registered new interface driver usbfs
> > [ 0.423790] usbcore: registered new interface driver hub
> > [ 0.423858] usbcore: registered new device driver usb
> > [ 0.424386] omap_i2c 48070000.i2c: could not find pctldev for node /ocp/l4@4a000000/scm@2000/pinmux@1400/pinmux_i2c1_pins, deferring probe
> > [ 0.424425] omap_i2c 48072000.i2c: could not find pctldev for node /ocp/l4@4a000000/scm@2000/pinmux@1400/pinmux_i2c2_pins, deferring probe
> > [ 0.424481] omap_i2c 48060000.i2c: could not find pctldev for node /ocp/l4@4a000000/scm@2000/pinmux@1400/pinmux_i2c3_pins, deferring probe
> > [ 0.424514] omap_i2c 4807a000.i2c: could not find pctldev for node /ocp/l4@4a000000/scm@2000/pinmux@1400/pinmux_i2c4_pins, deferring probe
> > [ 0.424660] pps_core: LinuxPPS API ver. 1 registered
> > [ 0.424668] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <giometti@linux.it>
> > [ 0.424707] PTP clock support registered
> > [ 0.426326] Switched to clocksource ipipe_tsc
> > [ 0.446221] NET: Registered protocol family 2
> > [ 0.446882] TCP established hash table entries: 8192 (order: 3, 32768 bytes)
> > [ 0.446948] TCP bind hash table entries: 8192 (order: 4, 65536 bytes)
> > [ 0.447074] TCP: Hash tables configured (established 8192 bind 8192)
> > [ 0.447137] UDP hash table entries: 512 (order: 2, 16384 bytes)
> > [ 0.447168] UDP-Lite hash table entries: 512 (order: 2, 16384 bytes)
> > [ 0.447380] NET: Registered protocol family 1
> > [ 0.448026] kvm [1]: interrupt-controller@48214000 IRQ21
> > [ 0.448246] kvm [1]: timer IRQ19
> > [ 0.448267] kvm [1]: Hyp mode initialized successfully
> > [ 0.449107] CPU PMU: Failed to parse /pmu/interrupt-affinity[0]
> > [ 0.449144] hw perfevents: enabled with armv7_cortex_a15 PMU driver, 7 counters available
> > [ 0.451056] futex hash table entries: 512 (order: 3, 32768 bytes)
> > [ 0.451149] audit: initializing netlink subsys (disabled)
> > [ 0.451212] audit: type=2000 audit(0.445:1): initialized
> > [ 0.462778] VFS: Disk quotas dquot_6.6.0
> > [ 0.463000] VFS: Dquot-cache hash table entries: 1024 (order 0, 4096 bytes)
> > [ 0.464458] squashfs: version 4.0 (2009/01/31) Phillip Lougher
> > [ 0.468634] alg: No test for stdrng (krng)
> > [ 0.473670] bounce: pool size: 64 pages
> > [ 0.473894] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 250)
> > [ 0.473910] io scheduler noop registered
> > [ 0.473923] io scheduler deadline registered (default)
> > [ 0.473960] io scheduler cfq registered
> > [ 0.476622] pinctrl-single 4a003400.pinmux: 281 pins at pa fc003400 size 1124
> > [ 0.647326] Serial: 8250/16550 driver, 16 ports, IRQ sharing disabled
> > [ 0.652404] 4806a000.serial: ttyS0 at MMIO 0x4806a000 (irq = 301, base_baud = 3000000) is a 8250
> > [ 0.653358] console [ttyS2] disabled
> > [ 0.653390] 48020000.serial: ttyS2 at MMIO 0x48020000 (irq = 302, base_baud = 3000000) is a 8250
> > [ 2.111714] console [ttyS2] enabled
> > [ 2.119646] 48420000.serial: ttyS6 at MMIO 0x48420000 (irq = 303, base_baud = 3000000) is a 8250
> > [ 2.138162] 48422000.serial: ttyS7 at MMIO 0x48422000 (irq = 304, base_baud = 3000000) is a 8250
> > [ 2.156993] omap_rng 48090000.rng: OMAP Random Number Generator ver. 20
> > [ 2.172394] libphy: Fixed MDIO Bus: probed
> > [ 2.214348] davinci_mdio 48485000.mdio: davinci mdio revision 1.6
> > [ 2.226599] davinci_mdio 48485000.mdio: no live phy, scanning all
> > [ 2.239825] davinci_mdio: probe of 48485000.mdio failed with error -5
> > [ 2.253437] cpsw 48484000.ethernet: Detected MACID = 94:b8:c5:ef:a5:ff
> > [ 2.267754] usbcore: registered new interface driver cdc_wdm
> > [ 2.279219] usbcore: registered new interface driver usb-storage
> > [ 2.291853] i2c /dev entries driver
> > [ 2.299590] device-mapper: uevent: version 1.0.3
> > [ 2.309229] device-mapper: ioctl: 4.31.0-ioctl (2015-3-12) initialised: dm-devel@redhat.com
> > [ 2.326759] omap_hsmmc 4809c000.mmc: Got CD GPIO
> > [ 2.336093] omap_hsmmc 4809c000.mmc: dtb requests mmcblk1
> > [ 2.347127] omap_hsmmc 4809c000.mmc: no pinctrl state for sdr104 mode
> > [ 2.360086] omap_hsmmc 4809c000.mmc: no pinctrl state for ddr50 mode
> > [ 2.372873] omap_hsmmc 4809c000.mmc: no pinctrl state for sdr50 mode
> > [ 2.385657] omap_hsmmc 4809c000.mmc: no pinctrl state for sdr25 mode
> > [ 2.398432] omap_hsmmc 4809c000.mmc: no pinctrl state for sdr12 mode
> > [ 2.417774] omap_hsmmc 480b4000.mmc: dtb requests mmcblk0
> > [ 2.428771] omap_hsmmc 480b4000.mmc: no pinctrl state for sdr25 mode
> > [ 2.441542] omap_hsmmc 480b4000.mmc: no pinctrl state for sdr12 mode
> > [ 2.454306] omap_hsmmc 480b4000.mmc: no pinctrl state for ddr_1_8v mode
> > [ 2.467602] omap_hsmmc 480b4000.mmc: no pinctrl state for hs200_1_8v mode
> > [ 2.481422] reg-fixed-voltage fixedregulator-evm_3v3_sw: Failed to resolve vin-supply for evm_3v3_sw
> > [ 2.504772] ledtrig-cpu: registered to indicate activity on CPUs
> > [ 2.517248] omap-sham 4b101000.sham: hw accel on OMAP rev 4.3
> > [ 2.528979] Unable to handle kernel NULL pointer dereference at virtual address 00000000
> > [ 2.545215] pgd = c0003000
> > [ 2.550636] [00000000] *pgd=80000080004003, *pmd=00000000
> > [ 2.561487] Internal error: Oops: 80000206 [#1] SMP ARM
> > [ 2.571968] Modules linked in:
> > [ 2.578098] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.1.0-2-am5726 #1 Debian 4.1.22-1
> > [ 2.594159] Hardware name: Generic DRA74X (Flattened Device Tree)
> > [ 2.606384] task: c07bfbf8 ti: c07ba000 task.ti: c07ba000
> > [ 2.617211] PC is at 0x0
> > [ 2.622288] LR is at __ipipe_ack_fasteoi_irq+0x1c/0x20
>
> Check which handler from which object is called here that isn't
> apparently initialized for this case. Maybe this particular irqchip
> isn't (fully) enabled for I-pipe yet.
That's what I am trying to do. Pretty sure I determined the irq_hold
function pointer is NULL on whatever it is. So far my attempt to printk
in __ipipe_ack_fasteoi_irq+0x1c/0x20 seemed unsuccessful. I wasn't
really expecting it to work there. Going to try a pr_alert instead...
[ 2.485100] irq chip has NULL irq_hold function pointer
[ 2.495581] irq chip (name=CBAR)
[ 2.502054] Unable to handle kernel NULL pointer dereference at virtual address 00000000
OK, seems to be this one:
drivers/irqchip/irq-crossbar.c: .name = "CBAR",
Makes sense, since that is certainly part of this CPU.
Same hardware is running 3.14 OK, but clearly something is missing in 4.1.
Comparing the irq-crossbar.c between 3.14 and 4.1, it looks like in 4.1
it is defined as an irq_chip, while in 3.14 it was not, unless I am
misreading the code. Hmm.
--
Len Sorensen
^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: [Xenomai] ipipe enabled 4.1 kernel crash
2016-05-02 16:54 ` Lennart Sorensen
@ 2016-05-02 17:17 ` Lennart Sorensen
2016-05-02 17:26 ` Lennart Sorensen
2016-05-02 17:26 ` Jan Kiszka
0 siblings, 2 replies; 6+ messages in thread
From: Lennart Sorensen @ 2016-05-02 17:17 UTC (permalink / raw)
To: Jan Kiszka; +Cc: xenomai
On Mon, May 02, 2016 at 12:54:16PM -0400, Lennart Sorensen wrote:
> On Mon, May 02, 2016 at 06:34:11PM +0200, Jan Kiszka wrote:
> > On 2016-05-02 17:25, Lennart Sorensen wrote:
> > > I am trying to move to the 4.1 kernel and when I enable IPIPE in the
> > > config, I get a crash at boot, while with IPIPE disabled in the config
> > > I do not get the crash. Any suggestions on where to look?
> > >
> > > Using 4.1.22 kernel + ipipe-core-4.1.18-arm-4 patch on AM572x CPU (Dual
> > > A15) with LPAE enabled.
> > >
> > > ## Booting kernel from Legacy Image at 80007fc0 ...
> > > Image Name: kernel-4.1.0-2-am5726
> > > Image Type: ARM Linux Kernel Image (uncompressed)
> > > Data Size: 2819104 Bytes = 2.7 MiB
> > > Load Address: 80008000
> > > Entry Point: 80008000
> > > Verifying Checksum ... OK
> > > ## Flattened Device Tree blob at 86000000
> > > Booting using the fdt blob at 0x86000000
> > > XIP Kernel Image ... OK
> > > Using Device Tree in place at 86000000, end 86019e3a
> > >
> > > Starting kernel ...
> > >
> > > [ 0.000000] Booting Linux on physical CPU 0x0
> > > [ 0.000000] Linux version 4.1.0-2-am5726 (debian-kernel@lists.debian.org) (gcc version 4.9.2 ( 4.9.2-10) ) #1 SMP Debian 4.1.22-1 (2016-04-25)
> > > [ 0.000000] CPU: ARMv7 Processor [412fc0f2] revision 2 (ARMv7), cr=30c5387d
> > > [ 0.000000] CPU: PIPT / VIPT nonaliasing data cache, PIPT instruction cache
> > > [ 0.000000] Machine model: RCM RX1400
> > > [ 0.000000] Forcing write-allocate cache policy for SMP
> > > [ 0.000000] Memory policy: Data cache writealloc
> > > [ 0.000000] OMAP4: Map 0x00000000bfd00000 to fe600000 for dram barrier
> > > [ 0.000000] DRA752 ES1.1
> > > [ 0.000000] PERCPU: Embedded 15 pages/cpu @eef82000 s31680 r8192 d21568 u61440
> > > [ 0.000000] Built 1 zonelists in Zone order, mobility grouping on. Total pages: 259856
> > > [ 0.000000] Kernel command line: root=/dev/mmcblk0p7 ro console=ttyS2,57600n8 rootwait fips=1 single bootver=2014.04RR26
> > > [ 0.000000] PID hash table entries: 4096 (order: 2, 16384 bytes)
> > > [ 0.000000] Dentry cache hash table entries: 131072 (order: 7, 524288 bytes)
> > > [ 0.000000] Inode-cache hash table entries: 65536 (order: 6, 262144 bytes)
> > > [ 0.000000] Memory: 1027268K/1045504K available (5326K kernel code, 426K rwdata, 2044K rodata, 508K init, 333K bss, 18236K reserved, 0K cma-reserved, 267264K highmem)
> > > [ 0.000000] Virtual kernel memory layout:
> > > [ 0.000000] vector : 0xffff0000 - 0xffff1000 ( 4 kB)
> > > [ 0.000000] fixmap : 0xffc00000 - 0xfff00000 (3072 kB)
> > > [ 0.000000] vmalloc : 0xf0000000 - 0xff000000 ( 240 MB)
> > > [ 0.000000] lowmem : 0xc0000000 - 0xef800000 ( 760 MB)
> > > [ 0.000000] pkmap : 0xbfe00000 - 0xc0000000 ( 2 MB)
> > > [ 0.000000] modules : 0xbf000000 - 0xbfe00000 ( 14 MB)
> > > [ 0.000000] .text : 0xc0008000 - 0xc073ae74 (7372 kB)
> > > [ 0.000000] .init : 0xc073b000 - 0xc07ba000 ( 508 kB)
> > > [ 0.000000] .data : 0xc07ba000 - 0xc0824908 ( 427 kB)
> > > [ 0.000000] .bss : 0xc0827000 - 0xc087a6ac ( 334 kB)
> > > [ 0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=2, Nodes=1
> > > [ 0.000000] Hierarchical RCU implementation.
> > > [ 0.000000] kmemleak: Kernel memory leak detector disabled
> > > [ 0.000000] NR_IRQS:16 nr_irqs:16 16
> > > [ 0.000000] OMAP clockevent source: timer1 at 32768 Hz
> > > [ 0.000000] clocksource 32k_counter: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 58327039986419 ns
> > > [ 0.000030] sched_clock: 32 bits at 32kHz, resolution 30517ns, wraps every 65535999984741ns
> > > [ 0.000030] OMAP clocksource: 32k_counter at 32768 Hz
> > > [ 0.000366] Architected cp15 timer(s) running at 6.14MHz (phys).
> > > [ 0.000366] I-pipe, 6.147 MHz clocksource, wrap in 3000934451555157 ms
> > > [ 0.000396] clocksource ipipe_tsc: mask: 0xffffffffffffffff max_cycles: 0x16af5adb9, max_idle_ns: 440795202250 ns
> > > [ 0.000396] clocksource arch_sys_counter: mask: 0xffffffffffffff max_cycles: 0x16af5adb9, max_idle_ns: 440795202250 ns
> > > [ 0.000432] sched_clock: 56 bits at 6MHz, resolution 162ns, wraps every 4398046511023ns
> > > [ 0.000442] Switching to timer-based delay loop, resolution 162ns
> > > [ 0.001523] Interrupt pipeline (release #4)
> > > [ 0.102164] Calibrating delay loop (skipped), value calculated using timer frequency.. 12.29 BogoMIPS (lpj=6147)
> > > [ 0.102179] pid_max: default: 32768 minimum: 301
> > > [ 0.102268] Security Framework initialized
> > > [ 0.102325] Mount-cache hash table entries: 2048 (order: 1, 8192 bytes)
> > > [ 0.102336] Mountpoint-cache hash table entries: 2048 (order: 1, 8192 bytes)
> > > [ 0.102912] Initializing cgroup subsys net_cls
> > > [ 0.102951] CPU: Testing write buffer coherency: ok
> > > [ 0.103237] /cpus/cpu@0 missing clock-frequency property
> > > [ 0.103289] /cpus/cpu@1 missing clock-frequency property
> > > [ 0.103301] CPU0: thread -1, cpu 0, socket 0, mpidr 80000000
> > > [ 0.103352] Setting up static identity map for 0x80008380 - 0x800083d8
> > > [ 0.106241] CPU1: thread -1, cpu 1, socket 0, mpidr 80000001
> > > [ 0.106318] Brought up 2 CPUs
> > > [ 0.106332] SMP: Total of 2 processors activated (24.58 BogoMIPS).
> > > [ 0.106339] CPU: All CPU(s) started in HYP mode.
> > > [ 0.106346] CPU: Virtualization extensions available.
> > > [ 0.106785] devtmpfs: initialized
> > > [ 0.134693] VFP support v0.3: implementor 41 architecture 4 part 30 variant f rev 0
> > > [ 0.135668] omap_hwmod: l3_main_2 using broken dt data from ocp
> > > [ 0.358605] clocksource jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1911260446275000 ns
> > > [ 0.359002] pinctrl core: initialized pinctrl subsystem
> > > [ 0.359918] NET: Registered protocol family 16
> > > [ 0.360103] DMA: preallocated 256 KiB pool for atomic coherent allocations
> > > [ 0.369806] OMAP GPIO hardware version 0.1
> > > [ 0.376640] irq: no irq domain found for /ocp/l4@4a000000/scm@2000/pinmux@1400 !
> > > [ 0.394067] hw-breakpoint: found 5 (+1 reserved) breakpoint and 4 watchpoint registers.
> > > [ 0.394078] hw-breakpoint: maximum watchpoint size is 8 bytes.
> > > [ 0.394477] omap4_sram_init:Unable to allocate sram needed to handle errata I688
> > > [ 0.394487] omap4_sram_init:Unable to get sram pool needed to handle errata I688
> > > [ 0.395080] OMAP DMA hardware revision 0.0
> > > [ 0.410462] edma 43300000.edma: memcpy is disabled
> > > [ 0.416563] edma 43300000.edma: TI EDMA DMA engine driver
> > > [ 0.420053] omap-dma-engine 4a056000.dma-controller: OMAP DMA engine driver
> > > [ 0.423362] SCSI subsystem initialized
> > > [ 0.423714] usbcore: registered new interface driver usbfs
> > > [ 0.423790] usbcore: registered new interface driver hub
> > > [ 0.423858] usbcore: registered new device driver usb
> > > [ 0.424386] omap_i2c 48070000.i2c: could not find pctldev for node /ocp/l4@4a000000/scm@2000/pinmux@1400/pinmux_i2c1_pins, deferring probe
> > > [ 0.424425] omap_i2c 48072000.i2c: could not find pctldev for node /ocp/l4@4a000000/scm@2000/pinmux@1400/pinmux_i2c2_pins, deferring probe
> > > [ 0.424481] omap_i2c 48060000.i2c: could not find pctldev for node /ocp/l4@4a000000/scm@2000/pinmux@1400/pinmux_i2c3_pins, deferring probe
> > > [ 0.424514] omap_i2c 4807a000.i2c: could not find pctldev for node /ocp/l4@4a000000/scm@2000/pinmux@1400/pinmux_i2c4_pins, deferring probe
> > > [ 0.424660] pps_core: LinuxPPS API ver. 1 registered
> > > [ 0.424668] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <giometti@linux.it>
> > > [ 0.424707] PTP clock support registered
> > > [ 0.426326] Switched to clocksource ipipe_tsc
> > > [ 0.446221] NET: Registered protocol family 2
> > > [ 0.446882] TCP established hash table entries: 8192 (order: 3, 32768 bytes)
> > > [ 0.446948] TCP bind hash table entries: 8192 (order: 4, 65536 bytes)
> > > [ 0.447074] TCP: Hash tables configured (established 8192 bind 8192)
> > > [ 0.447137] UDP hash table entries: 512 (order: 2, 16384 bytes)
> > > [ 0.447168] UDP-Lite hash table entries: 512 (order: 2, 16384 bytes)
> > > [ 0.447380] NET: Registered protocol family 1
> > > [ 0.448026] kvm [1]: interrupt-controller@48214000 IRQ21
> > > [ 0.448246] kvm [1]: timer IRQ19
> > > [ 0.448267] kvm [1]: Hyp mode initialized successfully
> > > [ 0.449107] CPU PMU: Failed to parse /pmu/interrupt-affinity[0]
> > > [ 0.449144] hw perfevents: enabled with armv7_cortex_a15 PMU driver, 7 counters available
> > > [ 0.451056] futex hash table entries: 512 (order: 3, 32768 bytes)
> > > [ 0.451149] audit: initializing netlink subsys (disabled)
> > > [ 0.451212] audit: type=2000 audit(0.445:1): initialized
> > > [ 0.462778] VFS: Disk quotas dquot_6.6.0
> > > [ 0.463000] VFS: Dquot-cache hash table entries: 1024 (order 0, 4096 bytes)
> > > [ 0.464458] squashfs: version 4.0 (2009/01/31) Phillip Lougher
> > > [ 0.468634] alg: No test for stdrng (krng)
> > > [ 0.473670] bounce: pool size: 64 pages
> > > [ 0.473894] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 250)
> > > [ 0.473910] io scheduler noop registered
> > > [ 0.473923] io scheduler deadline registered (default)
> > > [ 0.473960] io scheduler cfq registered
> > > [ 0.476622] pinctrl-single 4a003400.pinmux: 281 pins at pa fc003400 size 1124
> > > [ 0.647326] Serial: 8250/16550 driver, 16 ports, IRQ sharing disabled
> > > [ 0.652404] 4806a000.serial: ttyS0 at MMIO 0x4806a000 (irq = 301, base_baud = 3000000) is a 8250
> > > [ 0.653358] console [ttyS2] disabled
> > > [ 0.653390] 48020000.serial: ttyS2 at MMIO 0x48020000 (irq = 302, base_baud = 3000000) is a 8250
> > > [ 2.111714] console [ttyS2] enabled
> > > [ 2.119646] 48420000.serial: ttyS6 at MMIO 0x48420000 (irq = 303, base_baud = 3000000) is a 8250
> > > [ 2.138162] 48422000.serial: ttyS7 at MMIO 0x48422000 (irq = 304, base_baud = 3000000) is a 8250
> > > [ 2.156993] omap_rng 48090000.rng: OMAP Random Number Generator ver. 20
> > > [ 2.172394] libphy: Fixed MDIO Bus: probed
> > > [ 2.214348] davinci_mdio 48485000.mdio: davinci mdio revision 1.6
> > > [ 2.226599] davinci_mdio 48485000.mdio: no live phy, scanning all
> > > [ 2.239825] davinci_mdio: probe of 48485000.mdio failed with error -5
> > > [ 2.253437] cpsw 48484000.ethernet: Detected MACID = 94:b8:c5:ef:a5:ff
> > > [ 2.267754] usbcore: registered new interface driver cdc_wdm
> > > [ 2.279219] usbcore: registered new interface driver usb-storage
> > > [ 2.291853] i2c /dev entries driver
> > > [ 2.299590] device-mapper: uevent: version 1.0.3
> > > [ 2.309229] device-mapper: ioctl: 4.31.0-ioctl (2015-3-12) initialised: dm-devel@redhat.com
> > > [ 2.326759] omap_hsmmc 4809c000.mmc: Got CD GPIO
> > > [ 2.336093] omap_hsmmc 4809c000.mmc: dtb requests mmcblk1
> > > [ 2.347127] omap_hsmmc 4809c000.mmc: no pinctrl state for sdr104 mode
> > > [ 2.360086] omap_hsmmc 4809c000.mmc: no pinctrl state for ddr50 mode
> > > [ 2.372873] omap_hsmmc 4809c000.mmc: no pinctrl state for sdr50 mode
> > > [ 2.385657] omap_hsmmc 4809c000.mmc: no pinctrl state for sdr25 mode
> > > [ 2.398432] omap_hsmmc 4809c000.mmc: no pinctrl state for sdr12 mode
> > > [ 2.417774] omap_hsmmc 480b4000.mmc: dtb requests mmcblk0
> > > [ 2.428771] omap_hsmmc 480b4000.mmc: no pinctrl state for sdr25 mode
> > > [ 2.441542] omap_hsmmc 480b4000.mmc: no pinctrl state for sdr12 mode
> > > [ 2.454306] omap_hsmmc 480b4000.mmc: no pinctrl state for ddr_1_8v mode
> > > [ 2.467602] omap_hsmmc 480b4000.mmc: no pinctrl state for hs200_1_8v mode
> > > [ 2.481422] reg-fixed-voltage fixedregulator-evm_3v3_sw: Failed to resolve vin-supply for evm_3v3_sw
> > > [ 2.504772] ledtrig-cpu: registered to indicate activity on CPUs
> > > [ 2.517248] omap-sham 4b101000.sham: hw accel on OMAP rev 4.3
> > > [ 2.528979] Unable to handle kernel NULL pointer dereference at virtual address 00000000
> > > [ 2.545215] pgd = c0003000
> > > [ 2.550636] [00000000] *pgd=80000080004003, *pmd=00000000
> > > [ 2.561487] Internal error: Oops: 80000206 [#1] SMP ARM
> > > [ 2.571968] Modules linked in:
> > > [ 2.578098] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.1.0-2-am5726 #1 Debian 4.1.22-1
> > > [ 2.594159] Hardware name: Generic DRA74X (Flattened Device Tree)
> > > [ 2.606384] task: c07bfbf8 ti: c07ba000 task.ti: c07ba000
> > > [ 2.617211] PC is at 0x0
> > > [ 2.622288] LR is at __ipipe_ack_fasteoi_irq+0x1c/0x20
> >
> > Check which handler from which object is called here that isn't
> > apparently initialized for this case. Maybe this particular irqchip
> > isn't (fully) enabled for I-pipe yet.
>
> That's what I am trying to do. Pretty sure I determined the irq_hold
> function pointer is NULL on whatever it is. So far my attempt to printk
> in __ipipe_ack_fasteoi_irq+0x1c/0x20 seemed unsuccessful. I wasn't
> really expecting it to work there. Going to try a pr_alert instead...
>
> [ 2.485100] irq chip has NULL irq_hold function pointer
> [ 2.495581] irq chip (name=CBAR)
> [ 2.502054] Unable to handle kernel NULL pointer dereference at virtual address 00000000
>
> OK, seems to be this one:
> drivers/irqchip/irq-crossbar.c: .name = "CBAR",
>
> Makes sense, since that is certainly part of this CPU.
>
> Same hardware is running 3.14 OK, but clearly something is missing in 4.1.
>
> Comparing the irq-crossbar.c between 3.14 and 4.1, it looks like in 4.1
> it is defined as an irq_chip, while in 3.14 it was not, unless I am
> misreading the code. Hmm.
Well this simplistic patch made it boot to user space:
Index: linux-4.1.22.rr1/drivers/irqchip/irq-crossbar.c
===================================================================
--- linux-4.1.22.rr1.orig/drivers/irqchip/irq-crossbar.c
+++ linux-4.1.22.rr1/drivers/irqchip/irq-crossbar.c
@@ -15,6 +15,7 @@
#include <linux/of_address.h>
#include <linux/of_irq.h>
#include <linux/slab.h>
+#include <linux/ipipe.h>
#include "irqchip.h"
@@ -74,6 +75,10 @@ static struct irq_chip crossbar_chip = {
#ifdef CONFIG_SMP
.irq_set_affinity = irq_chip_set_affinity_parent,
#endif
+#ifdef CONFIG_IPIPE
+ .irq_hold = irq_chip_hold_parent,
+ .irq_release = irq_chip_release_parent,
+#endif
};
static int allocate_gic_irq(struct irq_domain *domain, unsigned virq,
Can it be that simple? That seemed to easy.
--
Len Sorensen
^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: [Xenomai] ipipe enabled 4.1 kernel crash
2016-05-02 17:17 ` Lennart Sorensen
@ 2016-05-02 17:26 ` Lennart Sorensen
2016-05-02 17:26 ` Jan Kiszka
1 sibling, 0 replies; 6+ messages in thread
From: Lennart Sorensen @ 2016-05-02 17:26 UTC (permalink / raw)
To: Jan Kiszka; +Cc: xenomai
On Mon, May 02, 2016 at 01:17:32PM -0400, Lennart Sorensen wrote:
> On Mon, May 02, 2016 at 12:54:16PM -0400, Lennart Sorensen wrote:
> > That's what I am trying to do. Pretty sure I determined the irq_hold
> > function pointer is NULL on whatever it is. So far my attempt to printk
> > in __ipipe_ack_fasteoi_irq+0x1c/0x20 seemed unsuccessful. I wasn't
> > really expecting it to work there. Going to try a pr_alert instead...
> >
> > [ 2.485100] irq chip has NULL irq_hold function pointer
> > [ 2.495581] irq chip (name=CBAR)
> > [ 2.502054] Unable to handle kernel NULL pointer dereference at virtual address 00000000
> >
> > OK, seems to be this one:
> > drivers/irqchip/irq-crossbar.c: .name = "CBAR",
> >
> > Makes sense, since that is certainly part of this CPU.
> >
> > Same hardware is running 3.14 OK, but clearly something is missing in 4.1.
> >
> > Comparing the irq-crossbar.c between 3.14 and 4.1, it looks like in 4.1
> > it is defined as an irq_chip, while in 3.14 it was not, unless I am
> > misreading the code. Hmm.
>
> Well this simplistic patch made it boot to user space:
>
> Index: linux-4.1.22.rr1/drivers/irqchip/irq-crossbar.c
> ===================================================================
> --- linux-4.1.22.rr1.orig/drivers/irqchip/irq-crossbar.c
> +++ linux-4.1.22.rr1/drivers/irqchip/irq-crossbar.c
> @@ -15,6 +15,7 @@
> #include <linux/of_address.h>
> #include <linux/of_irq.h>
> #include <linux/slab.h>
> +#include <linux/ipipe.h>
>
> #include "irqchip.h"
>
> @@ -74,6 +75,10 @@ static struct irq_chip crossbar_chip = {
> #ifdef CONFIG_SMP
> .irq_set_affinity = irq_chip_set_affinity_parent,
> #endif
> +#ifdef CONFIG_IPIPE
> + .irq_hold = irq_chip_hold_parent,
> + .irq_release = irq_chip_release_parent,
> +#endif
> };
>
> static int allocate_gic_irq(struct irq_domain *domain, unsigned virq,
>
>
>
> Can it be that simple? That seemed to easy.
Well switchtest and latency and cyclictest all seem to at least be
willing to run now, so I guess it can't be all wrong.
If this looks like a sane solution, I will submit a proper patch with it.
--
Len Sorensen
^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: [Xenomai] ipipe enabled 4.1 kernel crash
2016-05-02 17:17 ` Lennart Sorensen
2016-05-02 17:26 ` Lennart Sorensen
@ 2016-05-02 17:26 ` Jan Kiszka
1 sibling, 0 replies; 6+ messages in thread
From: Jan Kiszka @ 2016-05-02 17:26 UTC (permalink / raw)
To: Lennart Sorensen; +Cc: xenomai
On 2016-05-02 19:17, Lennart Sorensen wrote:
> On Mon, May 02, 2016 at 12:54:16PM -0400, Lennart Sorensen wrote:
>> On Mon, May 02, 2016 at 06:34:11PM +0200, Jan Kiszka wrote:
>>> On 2016-05-02 17:25, Lennart Sorensen wrote:
>>>> I am trying to move to the 4.1 kernel and when I enable IPIPE in the
>>>> config, I get a crash at boot, while with IPIPE disabled in the config
>>>> I do not get the crash. Any suggestions on where to look?
>>>>
>>>> Using 4.1.22 kernel + ipipe-core-4.1.18-arm-4 patch on AM572x CPU (Dual
>>>> A15) with LPAE enabled.
>>>>
>>>> ## Booting kernel from Legacy Image at 80007fc0 ...
>>>> Image Name: kernel-4.1.0-2-am5726
>>>> Image Type: ARM Linux Kernel Image (uncompressed)
>>>> Data Size: 2819104 Bytes = 2.7 MiB
>>>> Load Address: 80008000
>>>> Entry Point: 80008000
>>>> Verifying Checksum ... OK
>>>> ## Flattened Device Tree blob at 86000000
>>>> Booting using the fdt blob at 0x86000000
>>>> XIP Kernel Image ... OK
>>>> Using Device Tree in place at 86000000, end 86019e3a
>>>>
>>>> Starting kernel ...
>>>>
>>>> [ 0.000000] Booting Linux on physical CPU 0x0
>>>> [ 0.000000] Linux version 4.1.0-2-am5726 (debian-kernel@lists.debian.org) (gcc version 4.9.2 ( 4.9.2-10) ) #1 SMP Debian 4.1.22-1 (2016-04-25)
>>>> [ 0.000000] CPU: ARMv7 Processor [412fc0f2] revision 2 (ARMv7), cr=30c5387d
>>>> [ 0.000000] CPU: PIPT / VIPT nonaliasing data cache, PIPT instruction cache
>>>> [ 0.000000] Machine model: RCM RX1400
>>>> [ 0.000000] Forcing write-allocate cache policy for SMP
>>>> [ 0.000000] Memory policy: Data cache writealloc
>>>> [ 0.000000] OMAP4: Map 0x00000000bfd00000 to fe600000 for dram barrier
>>>> [ 0.000000] DRA752 ES1.1
>>>> [ 0.000000] PERCPU: Embedded 15 pages/cpu @eef82000 s31680 r8192 d21568 u61440
>>>> [ 0.000000] Built 1 zonelists in Zone order, mobility grouping on. Total pages: 259856
>>>> [ 0.000000] Kernel command line: root=/dev/mmcblk0p7 ro console=ttyS2,57600n8 rootwait fips=1 single bootver=2014.04RR26
>>>> [ 0.000000] PID hash table entries: 4096 (order: 2, 16384 bytes)
>>>> [ 0.000000] Dentry cache hash table entries: 131072 (order: 7, 524288 bytes)
>>>> [ 0.000000] Inode-cache hash table entries: 65536 (order: 6, 262144 bytes)
>>>> [ 0.000000] Memory: 1027268K/1045504K available (5326K kernel code, 426K rwdata, 2044K rodata, 508K init, 333K bss, 18236K reserved, 0K cma-reserved, 267264K highmem)
>>>> [ 0.000000] Virtual kernel memory layout:
>>>> [ 0.000000] vector : 0xffff0000 - 0xffff1000 ( 4 kB)
>>>> [ 0.000000] fixmap : 0xffc00000 - 0xfff00000 (3072 kB)
>>>> [ 0.000000] vmalloc : 0xf0000000 - 0xff000000 ( 240 MB)
>>>> [ 0.000000] lowmem : 0xc0000000 - 0xef800000 ( 760 MB)
>>>> [ 0.000000] pkmap : 0xbfe00000 - 0xc0000000 ( 2 MB)
>>>> [ 0.000000] modules : 0xbf000000 - 0xbfe00000 ( 14 MB)
>>>> [ 0.000000] .text : 0xc0008000 - 0xc073ae74 (7372 kB)
>>>> [ 0.000000] .init : 0xc073b000 - 0xc07ba000 ( 508 kB)
>>>> [ 0.000000] .data : 0xc07ba000 - 0xc0824908 ( 427 kB)
>>>> [ 0.000000] .bss : 0xc0827000 - 0xc087a6ac ( 334 kB)
>>>> [ 0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=2, Nodes=1
>>>> [ 0.000000] Hierarchical RCU implementation.
>>>> [ 0.000000] kmemleak: Kernel memory leak detector disabled
>>>> [ 0.000000] NR_IRQS:16 nr_irqs:16 16
>>>> [ 0.000000] OMAP clockevent source: timer1 at 32768 Hz
>>>> [ 0.000000] clocksource 32k_counter: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 58327039986419 ns
>>>> [ 0.000030] sched_clock: 32 bits at 32kHz, resolution 30517ns, wraps every 65535999984741ns
>>>> [ 0.000030] OMAP clocksource: 32k_counter at 32768 Hz
>>>> [ 0.000366] Architected cp15 timer(s) running at 6.14MHz (phys).
>>>> [ 0.000366] I-pipe, 6.147 MHz clocksource, wrap in 3000934451555157 ms
>>>> [ 0.000396] clocksource ipipe_tsc: mask: 0xffffffffffffffff max_cycles: 0x16af5adb9, max_idle_ns: 440795202250 ns
>>>> [ 0.000396] clocksource arch_sys_counter: mask: 0xffffffffffffff max_cycles: 0x16af5adb9, max_idle_ns: 440795202250 ns
>>>> [ 0.000432] sched_clock: 56 bits at 6MHz, resolution 162ns, wraps every 4398046511023ns
>>>> [ 0.000442] Switching to timer-based delay loop, resolution 162ns
>>>> [ 0.001523] Interrupt pipeline (release #4)
>>>> [ 0.102164] Calibrating delay loop (skipped), value calculated using timer frequency.. 12.29 BogoMIPS (lpj=6147)
>>>> [ 0.102179] pid_max: default: 32768 minimum: 301
>>>> [ 0.102268] Security Framework initialized
>>>> [ 0.102325] Mount-cache hash table entries: 2048 (order: 1, 8192 bytes)
>>>> [ 0.102336] Mountpoint-cache hash table entries: 2048 (order: 1, 8192 bytes)
>>>> [ 0.102912] Initializing cgroup subsys net_cls
>>>> [ 0.102951] CPU: Testing write buffer coherency: ok
>>>> [ 0.103237] /cpus/cpu@0 missing clock-frequency property
>>>> [ 0.103289] /cpus/cpu@1 missing clock-frequency property
>>>> [ 0.103301] CPU0: thread -1, cpu 0, socket 0, mpidr 80000000
>>>> [ 0.103352] Setting up static identity map for 0x80008380 - 0x800083d8
>>>> [ 0.106241] CPU1: thread -1, cpu 1, socket 0, mpidr 80000001
>>>> [ 0.106318] Brought up 2 CPUs
>>>> [ 0.106332] SMP: Total of 2 processors activated (24.58 BogoMIPS).
>>>> [ 0.106339] CPU: All CPU(s) started in HYP mode.
>>>> [ 0.106346] CPU: Virtualization extensions available.
>>>> [ 0.106785] devtmpfs: initialized
>>>> [ 0.134693] VFP support v0.3: implementor 41 architecture 4 part 30 variant f rev 0
>>>> [ 0.135668] omap_hwmod: l3_main_2 using broken dt data from ocp
>>>> [ 0.358605] clocksource jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1911260446275000 ns
>>>> [ 0.359002] pinctrl core: initialized pinctrl subsystem
>>>> [ 0.359918] NET: Registered protocol family 16
>>>> [ 0.360103] DMA: preallocated 256 KiB pool for atomic coherent allocations
>>>> [ 0.369806] OMAP GPIO hardware version 0.1
>>>> [ 0.376640] irq: no irq domain found for /ocp/l4@4a000000/scm@2000/pinmux@1400 !
>>>> [ 0.394067] hw-breakpoint: found 5 (+1 reserved) breakpoint and 4 watchpoint registers.
>>>> [ 0.394078] hw-breakpoint: maximum watchpoint size is 8 bytes.
>>>> [ 0.394477] omap4_sram_init:Unable to allocate sram needed to handle errata I688
>>>> [ 0.394487] omap4_sram_init:Unable to get sram pool needed to handle errata I688
>>>> [ 0.395080] OMAP DMA hardware revision 0.0
>>>> [ 0.410462] edma 43300000.edma: memcpy is disabled
>>>> [ 0.416563] edma 43300000.edma: TI EDMA DMA engine driver
>>>> [ 0.420053] omap-dma-engine 4a056000.dma-controller: OMAP DMA engine driver
>>>> [ 0.423362] SCSI subsystem initialized
>>>> [ 0.423714] usbcore: registered new interface driver usbfs
>>>> [ 0.423790] usbcore: registered new interface driver hub
>>>> [ 0.423858] usbcore: registered new device driver usb
>>>> [ 0.424386] omap_i2c 48070000.i2c: could not find pctldev for node /ocp/l4@4a000000/scm@2000/pinmux@1400/pinmux_i2c1_pins, deferring probe
>>>> [ 0.424425] omap_i2c 48072000.i2c: could not find pctldev for node /ocp/l4@4a000000/scm@2000/pinmux@1400/pinmux_i2c2_pins, deferring probe
>>>> [ 0.424481] omap_i2c 48060000.i2c: could not find pctldev for node /ocp/l4@4a000000/scm@2000/pinmux@1400/pinmux_i2c3_pins, deferring probe
>>>> [ 0.424514] omap_i2c 4807a000.i2c: could not find pctldev for node /ocp/l4@4a000000/scm@2000/pinmux@1400/pinmux_i2c4_pins, deferring probe
>>>> [ 0.424660] pps_core: LinuxPPS API ver. 1 registered
>>>> [ 0.424668] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <giometti@linux.it>
>>>> [ 0.424707] PTP clock support registered
>>>> [ 0.426326] Switched to clocksource ipipe_tsc
>>>> [ 0.446221] NET: Registered protocol family 2
>>>> [ 0.446882] TCP established hash table entries: 8192 (order: 3, 32768 bytes)
>>>> [ 0.446948] TCP bind hash table entries: 8192 (order: 4, 65536 bytes)
>>>> [ 0.447074] TCP: Hash tables configured (established 8192 bind 8192)
>>>> [ 0.447137] UDP hash table entries: 512 (order: 2, 16384 bytes)
>>>> [ 0.447168] UDP-Lite hash table entries: 512 (order: 2, 16384 bytes)
>>>> [ 0.447380] NET: Registered protocol family 1
>>>> [ 0.448026] kvm [1]: interrupt-controller@48214000 IRQ21
>>>> [ 0.448246] kvm [1]: timer IRQ19
>>>> [ 0.448267] kvm [1]: Hyp mode initialized successfully
>>>> [ 0.449107] CPU PMU: Failed to parse /pmu/interrupt-affinity[0]
>>>> [ 0.449144] hw perfevents: enabled with armv7_cortex_a15 PMU driver, 7 counters available
>>>> [ 0.451056] futex hash table entries: 512 (order: 3, 32768 bytes)
>>>> [ 0.451149] audit: initializing netlink subsys (disabled)
>>>> [ 0.451212] audit: type=2000 audit(0.445:1): initialized
>>>> [ 0.462778] VFS: Disk quotas dquot_6.6.0
>>>> [ 0.463000] VFS: Dquot-cache hash table entries: 1024 (order 0, 4096 bytes)
>>>> [ 0.464458] squashfs: version 4.0 (2009/01/31) Phillip Lougher
>>>> [ 0.468634] alg: No test for stdrng (krng)
>>>> [ 0.473670] bounce: pool size: 64 pages
>>>> [ 0.473894] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 250)
>>>> [ 0.473910] io scheduler noop registered
>>>> [ 0.473923] io scheduler deadline registered (default)
>>>> [ 0.473960] io scheduler cfq registered
>>>> [ 0.476622] pinctrl-single 4a003400.pinmux: 281 pins at pa fc003400 size 1124
>>>> [ 0.647326] Serial: 8250/16550 driver, 16 ports, IRQ sharing disabled
>>>> [ 0.652404] 4806a000.serial: ttyS0 at MMIO 0x4806a000 (irq = 301, base_baud = 3000000) is a 8250
>>>> [ 0.653358] console [ttyS2] disabled
>>>> [ 0.653390] 48020000.serial: ttyS2 at MMIO 0x48020000 (irq = 302, base_baud = 3000000) is a 8250
>>>> [ 2.111714] console [ttyS2] enabled
>>>> [ 2.119646] 48420000.serial: ttyS6 at MMIO 0x48420000 (irq = 303, base_baud = 3000000) is a 8250
>>>> [ 2.138162] 48422000.serial: ttyS7 at MMIO 0x48422000 (irq = 304, base_baud = 3000000) is a 8250
>>>> [ 2.156993] omap_rng 48090000.rng: OMAP Random Number Generator ver. 20
>>>> [ 2.172394] libphy: Fixed MDIO Bus: probed
>>>> [ 2.214348] davinci_mdio 48485000.mdio: davinci mdio revision 1.6
>>>> [ 2.226599] davinci_mdio 48485000.mdio: no live phy, scanning all
>>>> [ 2.239825] davinci_mdio: probe of 48485000.mdio failed with error -5
>>>> [ 2.253437] cpsw 48484000.ethernet: Detected MACID = 94:b8:c5:ef:a5:ff
>>>> [ 2.267754] usbcore: registered new interface driver cdc_wdm
>>>> [ 2.279219] usbcore: registered new interface driver usb-storage
>>>> [ 2.291853] i2c /dev entries driver
>>>> [ 2.299590] device-mapper: uevent: version 1.0.3
>>>> [ 2.309229] device-mapper: ioctl: 4.31.0-ioctl (2015-3-12) initialised: dm-devel@redhat.com
>>>> [ 2.326759] omap_hsmmc 4809c000.mmc: Got CD GPIO
>>>> [ 2.336093] omap_hsmmc 4809c000.mmc: dtb requests mmcblk1
>>>> [ 2.347127] omap_hsmmc 4809c000.mmc: no pinctrl state for sdr104 mode
>>>> [ 2.360086] omap_hsmmc 4809c000.mmc: no pinctrl state for ddr50 mode
>>>> [ 2.372873] omap_hsmmc 4809c000.mmc: no pinctrl state for sdr50 mode
>>>> [ 2.385657] omap_hsmmc 4809c000.mmc: no pinctrl state for sdr25 mode
>>>> [ 2.398432] omap_hsmmc 4809c000.mmc: no pinctrl state for sdr12 mode
>>>> [ 2.417774] omap_hsmmc 480b4000.mmc: dtb requests mmcblk0
>>>> [ 2.428771] omap_hsmmc 480b4000.mmc: no pinctrl state for sdr25 mode
>>>> [ 2.441542] omap_hsmmc 480b4000.mmc: no pinctrl state for sdr12 mode
>>>> [ 2.454306] omap_hsmmc 480b4000.mmc: no pinctrl state for ddr_1_8v mode
>>>> [ 2.467602] omap_hsmmc 480b4000.mmc: no pinctrl state for hs200_1_8v mode
>>>> [ 2.481422] reg-fixed-voltage fixedregulator-evm_3v3_sw: Failed to resolve vin-supply for evm_3v3_sw
>>>> [ 2.504772] ledtrig-cpu: registered to indicate activity on CPUs
>>>> [ 2.517248] omap-sham 4b101000.sham: hw accel on OMAP rev 4.3
>>>> [ 2.528979] Unable to handle kernel NULL pointer dereference at virtual address 00000000
>>>> [ 2.545215] pgd = c0003000
>>>> [ 2.550636] [00000000] *pgd=80000080004003, *pmd=00000000
>>>> [ 2.561487] Internal error: Oops: 80000206 [#1] SMP ARM
>>>> [ 2.571968] Modules linked in:
>>>> [ 2.578098] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.1.0-2-am5726 #1 Debian 4.1.22-1
>>>> [ 2.594159] Hardware name: Generic DRA74X (Flattened Device Tree)
>>>> [ 2.606384] task: c07bfbf8 ti: c07ba000 task.ti: c07ba000
>>>> [ 2.617211] PC is at 0x0
>>>> [ 2.622288] LR is at __ipipe_ack_fasteoi_irq+0x1c/0x20
>>>
>>> Check which handler from which object is called here that isn't
>>> apparently initialized for this case. Maybe this particular irqchip
>>> isn't (fully) enabled for I-pipe yet.
>>
>> That's what I am trying to do. Pretty sure I determined the irq_hold
>> function pointer is NULL on whatever it is. So far my attempt to printk
>> in __ipipe_ack_fasteoi_irq+0x1c/0x20 seemed unsuccessful. I wasn't
>> really expecting it to work there. Going to try a pr_alert instead...
>>
>> [ 2.485100] irq chip has NULL irq_hold function pointer
>> [ 2.495581] irq chip (name=CBAR)
>> [ 2.502054] Unable to handle kernel NULL pointer dereference at virtual address 00000000
>>
>> OK, seems to be this one:
>> drivers/irqchip/irq-crossbar.c: .name = "CBAR",
>>
>> Makes sense, since that is certainly part of this CPU.
>>
>> Same hardware is running 3.14 OK, but clearly something is missing in 4.1.
>>
>> Comparing the irq-crossbar.c between 3.14 and 4.1, it looks like in 4.1
>> it is defined as an irq_chip, while in 3.14 it was not, unless I am
>> misreading the code. Hmm.
>
> Well this simplistic patch made it boot to user space:
>
> Index: linux-4.1.22.rr1/drivers/irqchip/irq-crossbar.c
> ===================================================================
> --- linux-4.1.22.rr1.orig/drivers/irqchip/irq-crossbar.c
> +++ linux-4.1.22.rr1/drivers/irqchip/irq-crossbar.c
> @@ -15,6 +15,7 @@
> #include <linux/of_address.h>
> #include <linux/of_irq.h>
> #include <linux/slab.h>
> +#include <linux/ipipe.h>
>
> #include "irqchip.h"
>
> @@ -74,6 +75,10 @@ static struct irq_chip crossbar_chip = {
> #ifdef CONFIG_SMP
> .irq_set_affinity = irq_chip_set_affinity_parent,
> #endif
> +#ifdef CONFIG_IPIPE
> + .irq_hold = irq_chip_hold_parent,
> + .irq_release = irq_chip_release_parent,
> +#endif
> };
>
> static int allocate_gic_irq(struct irq_domain *domain, unsigned virq,
>
>
>
> Can it be that simple? That seemed to easy.
That could fall under "not yet fully I-pipe enabled irqchip" - but I'm
not the one who ported this. Gilles or Philippe can surely confirm.
Jan
--
Siemens AG, Corporate Technology, CT RDA ITP SES-DE
Corporate Competence Center Embedded Linux
^ permalink raw reply [flat|nested] 6+ messages in thread
end of thread, other threads:[~2016-05-02 17:26 UTC | newest]
Thread overview: 6+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2016-05-02 15:25 [Xenomai] ipipe enabled 4.1 kernel crash Lennart Sorensen
2016-05-02 16:34 ` Jan Kiszka
2016-05-02 16:54 ` Lennart Sorensen
2016-05-02 17:17 ` Lennart Sorensen
2016-05-02 17:26 ` Lennart Sorensen
2016-05-02 17:26 ` Jan Kiszka
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