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Bug#928124: marked as done (linux-image-4.19.0-4-arm64: Running the 7th USB DVB TechnoTrend CT2-4400/4650 after a while driver crashes)

Your message dated Sat, 29 May 2021 05:23:36 -0700 (PDT)
with message-id <60b23248.1c69fb81.8775e.4398@mx.google.com>
and subject line Closing this bug (BTS maintenance for src:linux bugs)
has caused the Debian Bug report #928124,
regarding linux-image-4.19.0-4-arm64: Running the 7th USB DVB TechnoTrend CT2-4400/4650 after a while driver crashes
to be marked as done.

This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.

(NB: If you are a system administrator and have no idea what this
message is talking about, this may indicate a serious mail system
misconfiguration somewhere. Please contact owner@bugs.debian.org
immediately.)


-- 
928124: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=928124
Debian Bug Tracking System
Contact owner@bugs.debian.org with problems
--- Begin Message --- 
Package: src:linux
Version: 4.19.28-2
Severity: normal

Hi all,

I'm using Odroid C2 as a mini-PC as DVB-C receiver. I've connected 6x
TechnoTrend TVStick CT2-4400 and 2x TechnoTrend TT-connect CT2-4650.
With 6 devices is working fine, when I'm starting the 7th DVB after a while or
instant I'm receiving a module Opps.

As streaming software I'm using dvblast.

Seems that this issue is also present in previous kernels.
I'm using external power supply for 2x USB 3.0 Hubs where DVB-C devices are
connected and which is powering those devices.

Kind regards,
Adrian



-- Package-specific info:
** Version:
Linux version 4.19.0-4-arm64 (debian-kernel@lists.debian.org) (gcc version 8.3.0 (Debian 8.3.0-2)) #1 SMP Debian 4.19.28-2 (2019-03-15)

** Command line:
BOOT_IMAGE=/boot/vmlinuz-4.19.0-4-arm64 root=UUID=28fed50d-70fa-46ab-921f-12e065fc842e ro max_freq=1296 quiet

** Tainted: D (128)
 * Kernel has oopsed before.

** Kernel log:
[   43.809682] IPv6: ADDRCONF(NETDEV_UP): eth0.4091: link is not ready
[   43.930304] systemd[1]: Started Raise network interfaces.
[   44.482698] systemd[1]: Started Log2Ram.
[   44.486317] systemd[1]: Starting Journal Service...
[   44.665610] systemd[1]: Started Journal Service.
[   44.691475] systemd-journald[821]: Received request to flush runtime journal from PID 1
[   46.812099] meson8b-dwmac c9410000.ethernet eth0: Link is Up - 1Gbps/Full - flow control off
[   46.812140] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready
[   46.812401] IPv6: ADDRCONF(NETDEV_CHANGE): eth0.4090: link becomes ready
[   46.812463] IPv6: ADDRCONF(NETDEV_CHANGE): eth0.4091: link becomes ready
[   47.206611] input: lircd-uinput as /devices/virtual/input/input8
[   47.555668] dvb_ca_en50221: dvb_ca adapter 0: DVB CAM detected and initialised successfully
[  103.603718] si2168 4-0064: firmware: direct-loading firmware dvb-demod-si2168-b40-01.fw
[  103.603735] si2168 4-0064: downloading firmware from file 'dvb-demod-si2168-b40-01.fw'
[  104.523200] si2168 6-0064: downloading firmware from file 'dvb-demod-si2168-b40-01.fw'
[  105.334202] si2168 4-0064: firmware version: B 4.0.25
[  105.348337] si2168 8-0064: downloading firmware from file 'dvb-demod-si2168-b40-01.fw'
[  105.349670] si2157 5-0060: found a 'Silicon Labs Si2157-A30'
[  105.402435] si2157 5-0060: firmware version: 3.0.5
[  106.262493] si2168 6-0064: firmware version: B 4.0.25
[  106.277060] si2157 7-0060: found a 'Silicon Labs Si2157-A30'
[  106.303432] si2157 7-0060: firmware version: 3.0.5
[  107.077202] si2168 8-0064: firmware version: B 4.0.25
[  107.091692] si2157 9-0060: found a 'Silicon Labs Si2157-A30'
[  107.144062] si2157 9-0060: firmware version: 3.0.5
[  120.140094] si2168 10-0064: firmware: direct-loading firmware dvb-demod-si2168-b40-01.fw
[  120.140111] si2168 10-0064: downloading firmware from file 'dvb-demod-si2168-b40-01.fw'
[  120.945421] si2168 12-0064: downloading firmware from file 'dvb-demod-si2168-b40-01.fw'
[  121.749008] si2168 14-0064: downloading firmware from file 'dvb-demod-si2168-b40-01.fw'
[  121.898767] si2168 10-0064: firmware version: B 4.0.25
[  121.913589] si2157 11-0060: found a 'Silicon Labs Si2157-A30'
[  121.966397] si2157 11-0060: firmware version: 3.0.5
[  122.712271] si2168 12-0064: firmware version: B 4.0.25
[  122.728385] si2157 13-0060: found a 'Silicon Labs Si2157-A30'
[  122.781474] si2157 13-0060: firmware version: 3.0.5
[  123.544898] si2168 14-0064: firmware version: B 4.0.25
[  123.560648] si2157 15-0060: found a 'Silicon Labs Si2157-A30'
[  123.614142] si2157 15-0060: firmware version: 3.0.5
[  126.332183] si2168 16-0064: firmware: direct-loading firmware dvb-demod-si2168-b40-01.fw
[  126.332200] si2168 16-0064: downloading firmware from file 'dvb-demod-si2168-b40-01.fw'
[  128.246718] si2168 16-0064: firmware version: B 4.0.25
[  128.262407] si2157 17-0060: found a 'Silicon Labs Si2157-A30'
[  128.316746] si2157 17-0060: firmware version: 3.0.5
[54605.812648] usb 1-1.2.4: USB disconnect, device number 10
[54607.501045] Unable to handle kernel NULL pointer dereference at virtual address 00000000000000b8
[54607.504350] Mem abort info:
[54607.507103]   ESR = 0x96000006
[54607.510013]   Exception class = DABT (current EL), IL = 32 bits
[54607.515861]   SET = 0, FnV = 0
[54607.518872]   EA = 0, S1PTW = 0
[54607.521970] Data abort info:
[54607.524788]   ISV = 0, ISS = 0x00000006
[54607.528619]   CM = 0, WnR = 0
[54607.531553] user pgtable: 4k pages, 48-bit VAs, pgdp = 0000000007ab6aa1
[54607.538104] [00000000000000b8] pgd=000000006f443003, pud=000000006f0a3003, pmd=0000000000000000
[54607.546737] Internal error: Oops: 96000006 [#1] SMP
[54607.551529] Modules linked in: cpufreq_conservative cpufreq_userspace cpufreq_ondemand cpufreq_powersave uinput 8021q garp mrp stp llc lz4hc lz4hc_compress nft_chain_route_ipv4 xt_DSCP nft_counter ipt_REJECT nf_reject_ipv4 xt_multiport zram zsmalloc nft_compat nf_tables nfnetlink evdev rc_tt_1500 nls_ascii nls_cp437 sp2 vfat si2157 fat media si2168 dvb_usb_dvbsky dvb_usb_v2 m88ds3103 i2c_mux dvb_core rc_core meson_dw_hdmi meson_drm dw_hdmi drm_kms_helper drm meson_saradc industrialio meson_rng rng_core efi_pstore efivars meson_gxbb_wdt nvmem_meson_efuse leds_gpio bonding efivarfs ip_tables x_tables autofs4 ext4 crc16 mbcache jbd2 fscrypto ecb aes_arm64 btrfs xor zstd_decompress zstd_compress xxhash raid6_pq libcrc32c crc32c_generic dwmac_generic realtek dwc2 dwmac_meson8b stmmac_platform stmmac udc_core
[54607.622204]  of_mdio fixed_phy usbcore meson_gx_mmc libphy i2c_meson phy_meson8b_usb2 usb_common fixed gpio_regulator
[54607.632696] CPU: 0 PID: 1704 Comm: kdvb-ad-5-fe-0 Not tainted 4.19.0-4-arm64 #1 Debian 4.19.28-2
[54607.641401] Hardware name: amlogic odroid-c2/odroid-c2, BIOS 2018.07-armbian 09/19/2018
[54607.649337] pstate: 80000005 (Nzcv daif -PAN -UAO)
[54607.654089] pc : si2168_read_status+0x44/0x340 [si2168]
[54607.659264] lr : dvb_frontend_swzigzag+0x68/0x2b8 [dvb_core]
[54607.664859] sp : ffff00000f84bb30
[54607.668134] x29: ffff00000f84bb30 x28: 0000000000000000 
[54607.673397] x27: ffff800070ebbb50 x26: 0000000000000020 
[54607.678657] x25: ffff00000926f518 x24: 0000000000000000 
[54607.683918] x23: ffff00000f84bbec x22: ffff80005bd239e0 
[54607.689179] x21: ffff800070ebb828 x20: ffff800070ebb828 
[54607.694442] x19: ffff0000090a9708 x18: 0000000000000000 
[54607.699702] x17: 0000000000000000 x16: 0000000000000000 
[54607.704965] x15: 0000000000000000 x14: 0000000000000000 
[54607.710225] x13: 0000000000000000 x12: 0000000000000012 
[54607.715485] x11: 000000000000002b x10: 0000000000000a50 
[54607.720747] x9 : ffff00000f84bc60 x8 : ffff80005c23ee70 
[54607.726009] x7 : 0000000000000001 x6 : ffff80007ff71840 
[54607.731270] x5 : 0000000000000004 x4 : ffff80005c23e5c0 
[54607.736532] x3 : dead000000000200 x2 : ffff0000014725c8 
[54607.741792] x1 : ffff00000f84bbec x0 : 0000000000000000 
[54607.747056] Process kdvb-ad-5-fe-0 (pid: 1704, stack limit = 0x00000000065d703d)
[54607.754388] Call trace:
[54607.756804]  si2168_read_status+0x44/0x340 [si2168]
[54607.761641]  dvb_frontend_swzigzag+0x68/0x2b8 [dvb_core]
[54607.766899]  dvb_frontend_thread+0x31c/0x620 [dvb_core]
[54607.772073]  kthread+0x130/0x138
[54607.775261]  ret_from_fork+0x10/0x1c
[54607.778801] Code: f9400260 f9003fe0 d2800000 9100831a (f9404f56) 
[54607.784836] ---[ end trace 28840222fc22782d ]---
[54607.794607] efivars: get_next_variable: status=8000000000000007
[54607.796600] efivars: get_next_variable: status=8000000000000007
[54607.803597] efivars: get_next_variable: status=8000000000000007
[54607.808025] efivars: get_next_variable: status=8000000000000007
[54607.815219] efivars: get_next_variable: status=8000000000000007
[54607.820031] efivars: get_next_variable: status=8000000000000007
[54607.825907] efivars: get_next_variable: status=8000000000000007
[54607.831195] efivars: get_next_variable: status=8000000000000007
[54607.837071] efivars: get_next_variable: status=8000000000000007
[54607.844617] efivars: get_next_variable: status=8000000000000007
[54607.849834] efivars: get_next_variable: status=8000000000000007
[54607.856088] efivars: get_next_variable: status=8000000000000007

** Model information
Device Tree model: Hardkernel ODROID-C2

** Loaded modules:
cpufreq_conservative
cpufreq_userspace
cpufreq_ondemand
cpufreq_powersave
uinput
8021q
garp
mrp
stp
llc
lz4hc
lz4hc_compress
nft_chain_route_ipv4
xt_DSCP
nft_counter
ipt_REJECT
nf_reject_ipv4
xt_multiport
zram
zsmalloc
nft_compat
nf_tables
nfnetlink
evdev
rc_tt_1500
nls_ascii
nls_cp437
sp2
vfat
si2157
fat
media
si2168
dvb_usb_dvbsky
dvb_usb_v2
m88ds3103
i2c_mux
dvb_core
rc_core
meson_dw_hdmi
meson_drm
dw_hdmi
drm_kms_helper
drm
meson_saradc
industrialio
meson_rng
rng_core
efi_pstore
efivars
meson_gxbb_wdt
nvmem_meson_efuse
leds_gpio
bonding
efivarfs
ip_tables
x_tables
autofs4
ext4
crc16
mbcache
jbd2
fscrypto
ecb
aes_arm64
btrfs
xor
zstd_decompress
zstd_compress
xxhash
raid6_pq
libcrc32c
crc32c_generic
dwmac_generic
realtek
dwc2
dwmac_meson8b
stmmac_platform
stmmac
udc_core
of_mdio
fixed_phy
usbcore
meson_gx_mmc
libphy
i2c_meson
phy_meson8b_usb2
usb_common
fixed
gpio_regulator

** PCI devices:

** USB devices:
Bus 001 Device 012: ID 0b48:3014 TechnoTrend AG TT-TVStick CT2-4400
Bus 001 Device 011: ID 0b48:3014 TechnoTrend AG TT-TVStick CT2-4400
Bus 001 Device 009: ID 0b48:3014 TechnoTrend AG TT-TVStick CT2-4400
Bus 001 Device 007: ID 0b48:3015 TechnoTrend AG 
Bus 001 Device 004: ID 05e3:0610 Genesys Logic, Inc. 4-port hub
Bus 001 Device 010: ID 0b48:3014 TechnoTrend AG TT-TVStick CT2-4400
Bus 001 Device 008: ID 0b48:3014 TechnoTrend AG TT-TVStick CT2-4400
Bus 001 Device 006: ID 0b48:3014 TechnoTrend AG TT-TVStick CT2-4400
Bus 001 Device 005: ID 0b48:3015 TechnoTrend AG 
Bus 001 Device 003: ID 05e3:0610 Genesys Logic, Inc. 4-port hub
Bus 001 Device 002: ID 05e3:0610 Genesys Logic, Inc. 4-port hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub


-- System Information:
Debian Release: buster/sid
  APT prefers testing
  APT policy: (500, 'testing')
Architecture: arm64 (aarch64)
Foreign Architectures: armhf

Kernel: Linux 4.19.0-4-arm64 (SMP w/4 CPU cores)
Kernel taint flags: TAINT_DIE
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8), LANGUAGE=en_US.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Init: systemd (via /run/systemd/system)

Versions of packages linux-image-4.19.0-4-arm64 depends on:
ii  initramfs-tools [linux-initramfs-tool]  0.132
ii  kmod                                    25-2
ii  linux-base                              4.5

Versions of packages linux-image-4.19.0-4-arm64 recommends:
pn  apparmor             <none>
ii  firmware-linux-free  3.4
pn  irqbalance           <none>

Versions of packages linux-image-4.19.0-4-arm64 suggests:
pn  debian-kernel-handbook  <none>
pn  linux-doc-4.19          <none>

Versions of packages linux-image-4.19.0-4-arm64 is related to:
pn  firmware-amd-graphics     <none>
pn  firmware-atheros          <none>
pn  firmware-bnx2             <none>
pn  firmware-bnx2x            <none>
pn  firmware-brcm80211        <none>
pn  firmware-cavium           <none>
pn  firmware-intel-sound      <none>
pn  firmware-intelwimax       <none>
pn  firmware-ipw2x00          <none>
pn  firmware-ivtv             <none>
pn  firmware-iwlwifi          <none>
pn  firmware-libertas         <none>
pn  firmware-linux-nonfree    <none>
pn  firmware-misc-nonfree     <none>
pn  firmware-myricom          <none>
pn  firmware-netxen           <none>
pn  firmware-qlogic           <none>
ii  firmware-realtek          20180825+dfsg-1
pn  firmware-samsung          <none>
pn  firmware-siano            <none>
pn  firmware-ti-connectivity  <none>
pn  xen-hypervisor            <none>

-- no debconf information

--- End Message ---
--- Begin Message --- 
Hi

This bug was filed for a very old kernel or the bug is old itself
without resolution.

If you can reproduce it with

- the current version in unstable/testing
- the latest kernel from backports

please reopen the bug, see https://www.debian.org/Bugs/server-control
for details.

Regards,
Salvatore

--- End Message ---
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