Hi,
i can't boot my pandaes with 3.8rc4 + cpu_freq + ehci/ohci enabled, as it
usually
hangs with:
[ 26.718322] INFO: rcu_sched detected stalls on CPUs/tasks: { 1} (detected by
0, t=2690 jiffies, g=4294967100, c=4294967099, q=749)
[ 26.730682] Task dump for CPU 1:
[ 26.734069] udevd R running 0 772 1 0x00000002
[ 26.740783] [<c04e287c>] (__schedule+0x34c/0x728) from [<eebbaa70>]
(0xeebbaa70)
complete dmesg with clks warnings and a "BUG: spinlock wrong CPU on CPU#1"
here:
http://paste.ubuntu.com/1563384/
sometimes it randomly oopses around usb:
[ 4.922180] hub 1-1:1.0: port 1: status 0101 change 0001
[ 4.936706] Unable to handle kernel NULL pointer dereference at virtual
address 00000004
[ 4.945220] pgd = c0004000
[ 4.948059] [00000004] *pgd=00000000
[ 4.951843] Internal error: Oops: 5 [#1] SMP ARM
[ 4.956695] Modules linked in:
[ 4.959899] CPU: 1 Tainted: G W (3.8.0-rc4-00139-g1d85490 #1)
[ 4.967224] PC is at _set_bit+0x1c/0x40
[ 4.971252] LR is at out_of_memory+0x7c/0x2f8
[ 4.975830] pc : [<c02aacfc>] lr : [<c00ce7d0>] psr: 60000193
[ 4.975830] sp : ee839a40 ip : 00000000 fp : 00000000
[ 4.987884] r10: 0000000e r9 : c088f5d8 r8 : c07ab33c
[ 4.993377] r7 : ee8373c0 r6 : c07d1014 r5 : c1547e90 r4 : 00000000
[ 5.000244] r3 : 00040000 r2 : 00000001 r1 : 00000004 r0 : 00000000
[ 5.007080] Flags: nZCv IRQs off FIQs on Mode SVC_32 ISA ARM Segment
kernel
[ 5.014862] Control: 10c53c7d Table: 8000404a DAC: 00000017
[ 5.020904] Process swapper/0 (pid: 1, stack limit = 0xee838240)
[ 5.023437] usb 1-1: link qh256-0001/eeda8b00 start 1 [1/0 us]
[ 5.023468] hub 1-1:1.0: state 7 ports 5 chg 0002 evt 0000
[ 5.023773] hub 1-1:1.0: port 1, status 0101, change 0000, 12 Mb/s
Complete dmesg here:
http://paste.ubuntu.com/1563423/
Or:
[ 4.927307] Unable to handle kernel NULL pointer dereference at virtual
address 00000014
[ 4.935821] pgd = c0004000
[ 4.938659] [00000014] *pgd=00000000
[ 4.942413] Internal error: Oops: 5 [#1] SMP ARM
[ 4.947265] Modules linked in:
[ 4.950469] CPU: 1 Tainted: G W (3.8.0-rc4 #1)
[ 4.956420] PC is at rcu_irq_exit+0x20/0xc4
[ 4.960845] LR is at irq_enter+0x18/0x70
[ 4.964965] pc : [<c00a6d74>] lr : [<c0049a0c>] psr: a0000193
[ 4.964965] sp : ee87de90 ip : fffffff2 fp : ee87df54
[ 4.977020] r10: c07491d0 r9 : 00000000 r8 : 00000001
[ 4.982482] r7 : c073ae80 r6 : a0000193 r5 : 00000001 r4 : ee87c000
[ 4.989349] r3 : c0745d88 r2 : 00000000 r1 : 00000560 r0 : c0049a0c
[ 4.992736] usb 1-1: link qh256-0001/eedb0f80 start 1 [1/0 us]
[ 4.992767] hub 1-1:1.0: state 7 ports 5 chg 0002 evt 0000
[ 4.993255] hub 1-1:1.0: port 1, status 0101, change 0000, 12 Mb/s
Complete dmesg here:
http://paste.ubuntu.com/1563483/
Same happens with latest linus/master:
1d85490 Merge tag '3.8-pci-fixes-2' of ...
Config can be found here:
http://people.canonical.com/~ppisati/38rc4/config.omap2plus_cpufreq
Disabling cpufreq i can get my board to boot, and 3.7.y is working fine.
Any clue?
--
bye,
p.
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