Comment 3 for bug 893653

Yes. There should be a tag for that release there.

Scott

Sent from my iPhone

On 2011-11-22, at 11:17, Paweł Moll <email address hidden> wrote:

> The kernel comes from this PPA: https://launchpad.net/~linaro-landing-
> team-freescale/+archive/public/+packages (the linux-linaro-lt-mx5-3.1 -
> 3.1.0-1002.8 packages)
>
> I _suppose_ that this comes from that repo:
> http://git.linaro.org/gitweb?p=landing-
> teams/leb/freescale/kernel.git;a=summary but that's just a guess. The LT
> folk will (hopefully ;-) know...
>
> --
> You received this bug notification because you are a member of Linaro
> Landing Team: Freescale, which is subscribed to the bug report.
> https://bugs.launchpad.net/bugs/893653
>
> Title:
> perf doesn't work with kernel 3.1.0-1002-linaro-lt-mx5
>
> Status in Linaro Freescale Landing Team Project:
> New
>
> Bug description:
> Quickstart board
>
> root@linaro-nano:~# uname -a
> Linux linaro-nano 3.1.0-1002-linaro-lt-mx5 #7-Ubuntu PREEMPT Tue Nov 15 13:07:56 UTC 2011 armv7l armv7l armv7l GNU/Linux
> root@linaro-nano:~# perf stat sleep 1
> [ 28.489709] Unable to handle kernel NULL pointer dereference at virtual address 0000008c
> [ 28.502323] pgd = d9534000
> [ 28.507638] [0000008c] *pgd=c96cd831, *pte=00000000, *ppte=00000000
> [ 28.517243] Internal error: Oops: 17 [#1] PREEMPT
> [ 28.524366] Modules linked in: mma8450 input_polldev rtc_da9052 leds_da9052 da9052_onkey da9052_wdt
> [ 28.536057] CPU: 0 Not tainted (3.1.0-1002-linaro-lt-mx5 #7-Ubuntu)
> [ 28.545226] PC is at armpmu_event_init+0xc0/0x328
> [ 28.552497] LR is at reserve_pmu+0x1c/0x2c
> [ 28.559155] pc : [<80016e14>] lr : [<800164e8>] psr: 600f0013
> [ 28.559161] sp : d966de18 ip : 00000000 fp : d966de84
> [ 28.575828] r10: 00000000 r9 : 00000000 r8 : d9647d30
> [ 28.583623] r7 : 00000000 r6 : 8084fca4 r5 : 8084fc18 r4 : d9647c00
> [ 28.592759] r3 : 00000001 r2 : 00000001 r1 : 808aa324 r0 : 00000000
> [ 28.601897] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment user
> [ 28.611702] Control: 10c5387d Table: c9534019 DAC: 00000015
> [ 28.620138] Process perf_3.1.0-1002 (pid: 1146, stack limit = 0xd966c2f0)
> [ 28.629659] Stack: (0xd966de18 to 0xd966e000)
> [ 28.636740] de00: 8085e028 00000000
> [ 28.647673] de20: 00000000 00000002 8084fca8 8084fca4 d966de84 d966de40 8006aa04 80068a54
> [ 28.658614] de40: 00000001 00000000 00000000 800b29ac 00000000 8002de70 00000000 d9647c00
> [ 28.669563] de60: 8084fc18 808742e4 00000000 d9647d30 d8152b80 00000000 d966debc d966de88
> [ 28.680525] de80: 800b2a84 80016d60 00000001 00000000 800b29ac d966dea0 80057850 8084fc18
> [ 28.691468] dea0: d966df28 d9647c00 80e14490 00000000 d966defc d966dec0 800b2d44 800b29b8
> [ 28.702435] dec0: 00000005 00000000 00000025 d8152f40 d966defc d8152b80 00000000 00000000
> [ 28.713461] dee0: 00000000 ffffffff 00000000 ffffffff d966dfa4 d966df00 800b3658 800b2b08
> [ 28.724484] df00: 00000000 00000000 00000000 00000010 d966df2c d966df20 8010a710 8010a5f0
> [ 28.735494] df20: 00000008 00000000 00000000 00000048 00000000 00000000 00000000 00000000
> [ 28.746513] df40: 00000000 00000000 00000003 00000000 00001003 00000000 00000000 00000000
> [ 28.757531] df60: 00000000 00000000 00000000 00000000 001116ac 00000000 d966df94 00000000
> [ 28.768568] df80: 001116ac 006cf450 0000016c 8000dc08 d966c000 00000000 00000000 d966dfa8
> [ 28.779654] dfa0: 8000d980 800b32e0 00000000 001116ac 006cf458 0000047d ffffffff ffffffff
> [ 28.790798] dfc0: 00000000 001116ac 006cf450 0000016c 00000004 00000000 00000000 00084cb8
> [ 28.802003] dfe0: 7ee8a588 7ee8a578 00028c65 76ea79c0 200f0010 006cf458 00000000 00000000
> [ 28.813299] [<80016e14>] (armpmu_event_init+0xc0/0x328) from [<800b2a84>] (perf_init_event+0xd8/0x150)
> [ 28.825806] [<800b2a84>] (perf_init_event+0xd8/0x150) from [<800b2d44>] (perf_event_alloc+0x248/0x470)
> [ 28.838382] [<800b2d44>] (perf_event_alloc+0x248/0x470) from [<800b3658>] (sys_perf_event_open+0x384/0x784)
> [ 28.851398] [<800b3658>] (sys_perf_event_open+0x384/0x784) from [<8000d980>] (ret_fast_syscall+0x0/0x3c)
> [ 28.864158] Code: 0a000002 e59f0254 eb166c05 ea00003f (e597308c)
> [ 28.880969] ---[ end trace b9e247a5e3243127 ]---
> Segmentation fault
>
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