I tried out the code at
git://git.kernel.org/pub/scm/linux/kernel/git/viro/signal.git
experimental-kernel_thread
and it gives me this panic on boot.
James
---
PALO(F0) partition contains:
PALO is formatted EXT2/3
Command line for kernel: ' root=/dev/sda3 panic=5 console=ttyS1 palo_kernel=1/vmlinux-test'
Selected kernel: /vmlinux-test from partition 1
Selected ramdisk: /initrd.img-test from partition 1
ELF64 executable
Entry 00100000 first 00100000 n 4
Segment 0 load 00100000 size 5984256 mediaptr 0x1000
Segment 1 load 00741cf0 size 541128 mediaptr 0x5b6cf0
Segment 2 load 007c8000 size 190432 mediaptr 0x63b000
Segment 3 load 007f7000 size 140928 mediaptr 0x66a000
Loading ramdisk 2849281 bytes @ 3fd36000...
Branching to kernel entry point 0x00100000. If this is the last
message you see, you may need to switch your console. This is
a common symptom -- search the FAQ and mailing list at parisc-linux.org
[ 0.000000] Initializing cgroup subsys cpuset
[ 0.000000] Initializing cgroup subsys cpu
[ 0.000000] Linux version 3.6.0+ (jejb@ion) (gcc version 4.2.4 (Debian 4.2.4-6)) #35 SMP Fri Oct 5 03:42:07 PDT 2012
[ 0.000000] unwind_init: start = 0x405b7000, end = 0x405f15a0, entries = 14938
[ 0.000000] WARNING: Out of order unwind entry! 00000000405b8590 and 00000000405b85a0
[ 0.000000] WARNING: Out of order unwind entry! 00000000405b85a0 and 00000000405b85b0
[ 0.000000] WARNING: Out of order unwind entry! 00000000405b9220 and 00000000405b9230
[ 0.000000] WARNING: Out of order unwind entry! 00000000405b9230 and 00000000405b9240
[ 0.000000] WARNING: Out of order unwind entry! 00000000405b9240 and 00000000405b9250
[ 0.000000] WARNING: Out of order unwind entry! 00000000405b9250 and 00000000405b9260
[ 0.000000] WARNING: Out of order unwind entry! 00000000405b9260 and 00000000405b9270
[ 0.000000] WARNING: Out of order unwind entry! 00000000405b9270 and 00000000405b9280
[ 0.000000] WARNING: Out of order unwind entry! 00000000405b9280 and 00000000405b9290
[ 0.000000] WARNING: Out of order unwind entry! 00000000405b9290 and 00000000405b92a0
[ 0.000000] WARNING: Out of order unwind entry! 00000000405b92c0 and 00000000405b92d0
[ 0.000000] WARNING: Out of order unwind entry! 00000000405b92d0 and 00000000405b92e0
[ 0.000000] WARNING: Out of order unwind entry! 00000000405b92e0 and 00000000405b92f0
[ 0.000000] WARNING: Out of order unwind entry! 00000000405b92f0 and 00000000405b9300
[ 0.000000] WARNING: Out of order unwind entry! 00000000405b9300 and 00000000405b9310
[ 0.000000] WARNING: Out of order unwind entry! 00000000405b9310 and 00000000405b9320
[ 0.000000] WARNING: Out of order unwind entry! 00000000405b9320 and 00000000405b9330
[ 0.000000] WARNING: Out of order unwind entry! 00000000405b9330 and 00000000405b9340
[ 0.000000] FP[0] enabled: Rev 1 Model 20
[ 0.000000] The 64-bit Kernel has started...
[ 0.000000] bootconsole [ttyB0] enabled
[ 0.000000] Initialized PDC Console for debugging.
[ 0.000000] Determining PDC firmware type: 64 bit PAT.
[ 0.000000] model 00008870 00000491 00000000 00000002 3e0505e7352af710 100000f0 00000008 000000b2 000000b2
[ 0.000000] vers 00000301
[ 0.000000] CPUID vers 20 rev 4 (0x00000284)
[ 0.000000] capabilities 0x35
[ 0.000000] model 9000/800/rp3440
[ 0.000000] parisc_cache_init: Only equivalent aliasing supported!
[ 0.000000] Memory Ranges:
[ 0.000000] 0) Start 0x0000000000000000 End 0x000000003fffffff Size 1024 MB
[ 0.000000] 1) Start 0x0000004040000000 End 0x000000407fdfffff Size 1022 MB
[ 0.000000] Total Memory: 2046 MB
[ 0.000000] initrd: 7fd36000-7ffeda01
[ 0.000000] initrd: reserving 3fd36000-3ffeda01 (mem_max 7fe00000)
[ 0.000000] PERCPU: Embedded 10 pages/cpu @0000000041942000 s9856 r8192 d22912 u40960
[ 0.000000] SMP: bootstrap CPU ID is 0
[ 0.000000] Built 2 zonelists in Zone order, mobility grouping on. Total pages: 516615
[ 0.000000] Kernel command line: root=/dev/sda3 panic=5 console=ttyS1 palo_kernel=1/vmlinux-test
[ 0.000000] PID hash table entries: 4096 (order: 3, 32768 bytes)
[ 0.000000] Dentry cache hash table entries: 262144 (order: 9, 2097152 bytes)
[ 0.000000] Inode-cache hash table entries: 131072 (order: 8, 1048576 bytes)
[ 0.000000] Memory: 2048728k/2095104k available (4030k kernel code, 46376k reserved, 1765k data, 328k init)
[ 0.000000] virtual kernel memory layout:
0.000000] vmalloc : 0x0000000000008000 - 0x000000003f000000 (1007 MB)
0.000000] memory : 0x0000000040000000 - 0x00000040bfe00000 (264190 MB)
0.000000] .init : 0x00000000407c8000 - 0x000000004081a000 ( 328 kB)
0.000000] .data : 0x00000000404efb10 - 0x00000000406a8f10 (1765 kB)
0.000000] .text : 0x0000000040100000 - 0x00000000404efb10 (4030 kB)
[ 0.000000] SLUB: Genslabs=11, HWalign=64, Order=0-3, MinObjects=0, CPUs=8, Nodes=8
[ 0.000000] Hierarchical RCU implementation.
[ 0.000000] CONFIG_RCU_FANOUT set to non-default value of 32
[ 0.000000] NR_IRQS:128
[ 0.000000] Console: colour dummy device 160x64
[ 0.000000] Calibrating delay loop... 1594.36 BogoMIPS (lpj=3188736)
[ 0.048000] pid_max: default: 32768 minimum: 301
[ 0.048000] Security Framework initialized
[ 0.048000] SELinux: Disabled at boot.
[ 0.048000] Mount-cache hash table entries: 256
[ 0.056000] Initializing cgroup subsys cpuacct
[ 0.056000] Initializing cgroup subsys devices
[ 0.056000] Initializing cgroup subsys freezer
[ 0.064000] Initializing cgroup subsys net_cls
[ 0.064000] Initializing cgroup subsys blkio
[ 0.304000] Backtrace:
[ 0.304000] [<00000000401435b8>] copy_process+0x9d8/0x1698
[ 0.304000] [<00000000401151a0>] fork_idle+0x60/0xc8
[ 0.304000] [<00000000407d0c70>] idle_threads_init+0xc0/0x130
[ 0.304000] [<00000000407d2520>] smp_init+0x30/0x158
[ 0.304000] [<00000000407c87c0>] kernel_init+0x158/0x390
[ 0.304000] [<0000000040104020>] end_fault_vector+0x20/0x3c
[ 0.304000] [<000000004011bb00>] _raw_spin_trylock+0x0/0x18
[ 0.304000]
[ 0.304000]
[ 0.304000] Kernel Fault: Code=26 regs=000000007f84c850 (Addr=0000000000000018)
[ 0.304000]
[ 0.304000] YZrvWESTHLNXBCVMcbcbcbcbOGFRQPDI
[ 0.304000] PSW: 00001000000001001111111100001111 Not tainted
[ 0.304000] r00-03 000000ff0804ff0f 00000000407c4a90 0000000040129270 000000007f85d410
[ 0.304000] r04-07 00000000407a0290 0000000000000000 000000007f84c348 000000007f8a0000
[ 0.304000] r08-11 0000000000000000 0000000000000100 000000004069f088 0000000000000000
[ 0.304000] r12-15 0000000000000000 0000000000000000 0000000000000000 000000007f84c348
[ 0.304000] r16-19 0000000000000000 0000000000000000 0000000000000000 0000000000000000
[ 0.304000] r20-23 0000000000000006 000000007f85da30 0000000000000000 000000007f85d410
[ 0.304000] r24-27 0000000000000000 0000000000000000 000000007f85d780 00000000407a0290
[ 0.304000] r28-31 0000000040104000 000000007f84c820 000000007f84c850 000000007f8a0100
[ 0.304000] sr00-03 0000000000000000 0000000000000000 0000000000000000 0000000000000000
[ 0.304000] sr04-07 0000000000000000 0000000000000000 0000000000000000 0000000000000000
[ 0.304000]
[ 0.304000] IASQ: 0000000000000000 0000000000000000 IAOQ: 0000000040129288 000000004012928c
[ 0.304000] IIR: 50bf0030 ISR: 0000000000000000 IOR: 0000000000000018
[ 0.304000] CPU: 0 CR30: 000000007f84c000 CR31: fffffff0f0e098e0
[ 0.304000] ORIG_R28: 0000000000000000
[ 0.304000] IAOQ[0]: copy_thread+0xf8/0x110
[ 0.304000] IAOQ[1]: copy_thread+0xfc/0x110
[ 0.304000] RP(r2): copy_thread+0xe0/0x110
[ 0.304000] Backtrace:
[ 0.304000] [<00000000401435b8>] copy_process+0x9d8/0x1698
[ 0.304000] [<00000000401151a0>] fork_idle+0x60/0xc8
[ 0.304000] [<00000000407d0c70>] idle_threads_init+0xc0/0x130
[ 0.304000] [<00000000407d2520>] smp_init+0x30/0x158
[ 0.304000] [<00000000407c87c0>] kernel_init+0x158/0x390
[ 0.304000] [<0000000040104020>] end_fault_vector+0x20/0x3c
[ 0.304000] [<000000004011bb00>] _raw_spin_trylock+0x0/0x18
[ 0.304000]
[ 0.304000] Kernel panic - not syncing: Kernel Fault
[ 0.304000] Rebooting in 5 seconds..
--
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