apport information
** Tags added: apport-collected yakkety
** Description changed:
I have a Raspberry Pi 2 running Ubuntu 16.10 without problems. I use
wicd to let it connect to my WiFi with a RTL8188CUS USB dongle. And
there's a RTL2838 DVB-T USB stick attached to monitor airplane positions
for Flightradar24.
After updateing the kernel from 4.8.0-1024, which runs flawlessly, to
-1025, there's a kernel panic happening 10-20 seconds after booting up
to the login prompt. I thought the -1026 fixed that, but it's still no
worky. The trace is scrolling so fast I can't read anything but the last
page:
[<808c76c8>] (sock_sendmsg) from...
[<808c7778>] (sock_write_iter) from...
[<802c39c8>] (new_sync_write) from...
[<802c3a4c>] (__vfs_write) from...
[<802c48d8>] (vfs_write) from...
[<802c5ab4>] (SyS_write) from...
Code: e5922004 e0033002 e353 0a0a (e5902034)
---[ end trace 0f53d17efe0c6ba ]---
Kernel panic - not syncing: Fatal exception in interrupt
CPU2: stopping
CPU: 2 PID: 21 Comm: migration/2 Tainted: G D 4.8.0-1026-raspi2
#29-Ubuntu
Hardware name: BCM2709
[<801120ac>] (unwind_backtrace) from ...
[<8010d2dc>] (show_stack) from ...
[<8059c38c>] (handle_IPI) from ...
[<80101564>] (bcm2836_arm_irqchip_handle_irq) from [<80a49f3c>]
(__irq_svc+0x5c/0x7c)
Exception stack(0xbb99de68 to 0xbb99deb0)
de60: 0004 0001 bac05de0 0001
de80: bac05dcc a00e0013 bac05d6c bb99dedc bb99dee0 bb99deb8
dea0: 801d367c 801d35f4 600e0013
[<80a49f3c>] (__irq_svc) from ...
[<801d35f4>] (multi_cpu_stop) from ...
[<801d38ec>] (cpu_stopper_thread) from ...
[<8014b71c>] (smpboot_thread_fn) from ...
[<80147770>] (kthread) from [<80108e28>] (ret_from_fork+0x14/0x2c)
And then this block repeats with CPU3 and CPU0.
Going back to 4.8.0-1024 makes everything work again.
Affected packages:
linux-image-4.8.0-1025-raspi2:armhf (4.8.0-1025.28)
linux-image-4.8.0-1026-raspi2:armhf (4.8.0-1026.29)
+ ---
+ AlsaDevices:
+ total 0
+ crw-rw 1 root audio 116, 1 Jul 25 2016 seq
+ crw-rw 1 root audio 116, 33 Jul 25 2016 timer
+ AlsaVersion: Advanced Linux Sound Architecture Driver Version
k4.8.0-1024-raspi2.
+ AplayDevices: Error: [Errno 2] No such file or directory
+ ApportVersion: 2.20.3-0ubuntu8.2
+ Architecture: armhf
+ ArecordDevices: Error: [Errno 2] No such file or directory
+ AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/seq',
'/dev/snd/timer'] failed with exit code 1:
+ CRDA: N/A
+ DistroRelease: Ubuntu 16.10
+ Lsusb:
+ Bus 001 Device 005: ID 0bda:2838 Realtek Semiconductor Corp. RTL2838 DVB-T
+ Bus 001 Device 004: ID 7392:7811 Edimax Technology Co., Ltd EW-7811Un
802.11n Wireless Adapter [Realtek RTL8188CUS]
+ Bus 001 Device 003: ID 0424:ec00 Standard Microsystems Corp. SMSC9512/9514
Fast Ethernet Adapter
+ Bus 001 Device 002: ID 0424:9514 Standard Microsystems Corp. SMC9514 Hub
+ Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
+ Package: linux (not installed)
+ PciMultimedia:
+
+ ProcFB: 0 BCM2708 FB
+ ProcKernelCmdLine: dma.dmachans=0x7f35 bcm2708_fb.fbwidth=656
bcm2708_fb.fbheight=416 bcm2709.boardrev=0xa01041 bcm2709.serial=0xecd3f749
smsc95xx.macaddr=B8:27:EB:D3:F7:49 bcm2708_fb.fbdepth=16 bcm2708_fb.fbswap=1
bcm2709.uart_clock=4800 bcm2709.disk_led_gpio=47
bcm2709.disk_led_active_low=0 vc_mem.mem_base=0x3ea0
vc_mem.mem_size=0x3f00 net.ifnames=0 dwc_otg.lpm_enable=0
console=ttyAMA0,115200 console=tty1 root=/dev/mmcblk0p2 rootfstype=ext4
elevator=deadline rootwait
+ ProcVersionSignature: Ubuntu 4.8.0-1024.27-raspi2 4.8.16
+ RelatedPackageVersions:
+ linux-restricted-modules-4.8.0-1024-raspi2 N/A
+ linux-backports-modules-4.8.0-1024-raspi2 N/A
+ linux-firmware 1.161.1
+ RfKill:
+ 0: phy0: Wireless LAN
+ Soft blocked: no
+ Hard blocked: no
+ Tags: yakkety
+ Uname: Linux 4.8.0-1024-raspi2 armv7l
+ UnreportableReason: The report belongs to a package that is not installed.
+ UpgradeStatus: Upgraded to yakkety on 2016-10-24 (122 days ago)
+ UserGroups: adm audio cdrom dialout floppy fuse netdev plugdev sudo users
video www-data
+ _MarkForUpload: False
** Attachment added: "CurrentDmesg.txt"
https://bugs.launchpad.net/bugs/1667160/+attachment/4825133/+files/CurrentDmesg.txt
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https://bugs.launchpad.net/bugs/1667160
Title:
Kernel panic with 4.8.0-1025 and -1026 on RasPi 2
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