Warning came too late ;-) I tried the kernel, it seems to work with the "performance" setting. But it crashes as soon as I switch to "ondemand":
[ 166.025482] Unable to handle kernel paging request at virtual address 00011ecb [ 166.031646] pgd = ec0e8000 [ 166.031646] [00011ecb] *pgd=00000000 [ 166.039520] Internal error: Oops: 1 [#3] PREEMPT SMP [ 166.039520] Modules linked in: cpufreq_powersave cpufreq_conservative cpufreq_ondemand cpufreq_userspace rfcomm bnep bluetooth joydev wl12xx_sdio wl12xx mac80211 two [ 166.047332] CPU: 1 Tainted: G D W (3.2.0-1412-omap4 #15~lp971091) [ 166.070709] PC is at timerqueue_add+0x54/0xc4 [ 166.077697] LR is at 0xfffee169 [ 166.081024] pc : [<c02be614>] lr : [<fffee169>] psr: 200e0193 [ 166.081024] sp : ec14de50 ip : 00011ebb fp : ec14de6c [ 166.091491] r10: a3fb8a7c r9 : c0078f3c r8 : 00000026 [ 166.093627] r7 : 00000001 r6 : ee347ae8 r5 : c12465e4 r4 : ee7ee830 [ 166.105499] r3 : ee347ae0 r2 : 00011ebd r1 : 00000026 r0 : a3fb8a7c [ 166.112152] Flags: nzCv IRQs off FIQs on Mode SVC_32 ISA ARM Segment user [ 166.112152] Control: 10c5387d Table: ac0e804a DAC: 00000015 [ 166.119964] Process Xorg (pid: 805, stack limit = 0xec14c2f8) [ 166.119964] Stack: (0xec14de50 to 0xec14e000) [ 166.119964] de40: ee7ee830 c12465d8 c12465d8 00000001 [ 166.119964] de60: ec14de94 ec14de70 c0077cb0 c02be5cc 00000325 ee7ee830 c12465d8 c12465d8 [ 166.153808] de80: 00000001 00000026 ec14df04 ec14de98 c0078dc0 c0077c08 00000000 00000000 [ 166.153808] dea0: ec14dec4 00000038 c09155a0 c05d13c4 ee7ee830 c0078f3c ec14ded4 c05d13a8 [ 166.153808] dec0: 00000000 00000026 a3fb8a7c 00000026 c05d13a8 200e0193 ec14def4 ec14df70 [ 166.153808] dee0: ec112040 01312d00 3b9aca00 ee7ee830 ec14c000 00000000 ec14df24 ec14df08 [ 166.188201] df00: c0078f3c c0078ae0 00000000 00000001 00000001 ee7ee830 ec14df6c ec14df28 [ 166.188201] df20: c0057ea0 c0078f14 00000001 00000000 01312d00 00000000 c007ec90 c005827c [ 166.188201] df40: 00000000 00004e20 00000100 00000000 00000000 00000000 00000068 c000dee8 [ 166.188201] df60: ec14dfa4 ec14df70 c00580a4 c0057d38 00000000 00004e20 00000000 00004e20 [ 166.222595] df80: bebf9a30 c0073a08 000000a5 3805b455 000003e8 00000c8c 00000000 ec14dfa8 [ 166.231201] dfa0: c000dc60 c005801c 000003e8 00000c8c 00000000 bebf9a28 00000000 00004e20 [ 166.231201] dfc0: 000003e8 00000c8c 00000000 00000068 00000001 b6f95f74 b6f8b000 b782f328 [ 166.248382] dfe0: b6f8b154 bebf9a24 b6f592b5 b6bc049c 200e0110 00000000 00000000 00000000 [ 166.248382] [<c02be614>] (timerqueue_add+0x54/0xc4) from [<c0077cb0>] (enqueue_hrtimer+0xb4/0xf0) [ 166.248382] [<c0077cb0>] (enqueue_hrtimer+0xb4/0xf0) from [<c0078dc0>] (__hrtimer_start_range_ns+0x2ec/0x434) [ 166.276763] [<c0078dc0>] (__hrtimer_start_range_ns+0x2ec/0x434) from [<c0078f3c>] (hrtimer_start+0x34/0x3c) [ 166.287017] [<c0078f3c>] (hrtimer_start+0x34/0x3c) from [<c0057ea0>] (do_setitimer+0x174/0x264) [ 166.287017] [<c0057ea0>] (do_setitimer+0x174/0x264) from [<c00580a4>] (sys_setitimer+0x94/0xf8) [ 166.287017] [<c00580a4>] (sys_setitimer+0x94/0xf8) from [<c000dc60>] (ret_fast_syscall+0x0/0x30) [ 166.314575] Code: e3a03001 e5c73001 e3a03000 ea000006 (e1cc21d0) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/971091 Title: Pandaboard ES freezes with the default CPU scaling governor ondemand To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-ti-omap4/+bug/971091/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
