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. -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html