It took 14 steps, but finally here is the possible culprit:
19809c2da28aee5860ad9a2eff760730a0710df0 is the first bad commit
commit 19809c2da28aee5860ad9a2eff760730a0710df0
Author: Michal Hocko <mho...@suse.com>
Date: Mon May 8 15:57:44 2017 -0700
mm, vmalloc: use __GFP_HIGHMEM implicitly
__vmalloc* allows users to provide gfp flags for the underlying
allocation. This API is quite popular
$ git grep "=[[:space:]]__vmalloc\|return[[:space:]]*__vmalloc" | wc -l
77
The only problem is that many people are not aware that they really want
to give __GFP_HIGHMEM along with other flags because there is really no
reason to consume precious lowmemory on CONFIG_HIGHMEM systems for pages
which are mapped to the kernel vmalloc space. About half of users don't
use this flag, though. This signals that we make the API unnecessarily
too complex.
This patch simply uses __GFP_HIGHMEM implicitly when allocating pages to
be mapped to the vmalloc space. Current users which add __GFP_HIGHMEM
are simplified and drop the flag.
Link: http://lkml.kernel.org/r/20170307141020.29107-1-mho...@kernel.org
Signed-off-by: Michal Hocko <mho...@suse.com>
Reviewed-by: Matthew Wilcox <mawil...@microsoft.com>
Cc: Al Viro <v...@zeniv.linux.org.uk>
Cc: Vlastimil Babka <vba...@suse.cz>
Cc: David Rientjes <rient...@google.com>
Cc: Cristopher Lameter <c...@linux.com>
Signed-off-by: Andrew Morton <a...@linux-foundation.org>
Signed-off-by: Linus Torvalds <torva...@linux-foundation.org>
:040000 040000 5cdc1c298cd62f74b76602846ce13ef386b06f22
d35baa52e7f078b35eb659fe2926c20c0867ed9e M arch
:040000 040000 045c832d50bf5255b42bdb0f28b09d36087a10eb
72610cae50071293567c229360546df0b99baae4 M drivers
:040000 040000 11f420f52bd9613ce1a1b0b01e3cbbd287a7b729
d3b957b5a886ba12041462588c323521961f368e M fs
:040000 040000 035a87f5c946730440625485bab4283ba03cbf3a
311929864121b80809596cc34d36b83bd6b8b9a6 M include
:040000 040000 46bcc13bebdc7f704db764542b6fae0a6362f64d
c5674e6547e15e4a879576971fab242e1513e7e2 M kernel
:040000 040000 e11579b380817b207dd328539bbfa23723d7af95
ffc174b7261fcffcd52bfac24994469ccf5c7d12 M mm
:040000 040000 8357adc979b4be710b3d295425ac8c7ecd31b34d
31058e41d6828bcd7a9c9daf7a45cfa46dcd3ec4 M net
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https://bugs.launchpad.net/bugs/1742316
Title:
DVB Card with SAA7146 chipset not working
Status in linux package in Ubuntu:
Confirmed
Bug description:
After upgrading to 17.10 (from 16.04 with 4.4 kernel) my PCI DVB card
Terratec Cinergy DVB-1200 with SAA7146 chipset is not working anymore.
There is a kernel bug message while booting and no /dev/dvb device is
created. Tried also with newest mainline 4.14 kernel - same error.
ProblemType: Bug
DistroRelease: Ubuntu 17.10
Package: linux-image-4.13.0-25-generic 4.13.0-25.29
ProcVersionSignature: Ubuntu 4.13.0-25.29-generic 4.13.13
Uname: Linux 4.13.0-25-generic i686
AlsaVersion: Advanced Linux Sound Architecture Driver Version
k4.13.0-25-generic.
AplayDevices: Error: [Errno 2] No such file or directory: 'aplay': 'aplay'
ApportVersion: 2.20.7-0ubuntu3.7
Architecture: i386
ArecordDevices: Error: [Errno 2] No such file or directory: 'arecord':
'arecord'
AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/by-path',
'/dev/snd/hwC0D1', '/dev/snd/hwC0D0', '/dev/snd/pcmC0D3p', '/dev/snd/pcmC0D2c',
'/dev/snd/pcmC0D1p', '/dev/snd/pcmC0D0c', '/dev/snd/pcmC0D0p',
'/dev/snd/controlC0', '/dev/snd/seq', '/dev/snd/timer'] failed with exit code 1:
Card0.Amixer.info: Error: [Errno 2] No such file or directory: 'amixer':
'amixer'
Card0.Amixer.values: Error: [Errno 2] No such file or directory: 'amixer':
'amixer'
Date: Wed Jan 10 00:42:24 2018
HibernationDevice: RESUME=UUID=342e30a6-d71f-47c0-b65a-5ba657a80456
InstallationDate: Installed on 2016-02-13 (696 days ago)
InstallationMedia: Ubuntu-Server 15.10 "Wily Werewolf" - Release i386
(20151021)
IwConfig: Error: [Errno 2] No such file or directory: 'iwconfig': 'iwconfig'
MachineType: To Be Filled By O.E.M. To Be Filled By O.E.M.
ProcEnviron:
TERM=xterm-256color
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=de_DE.UTF-8
SHELL=/bin/bash
ProcFB: 0 psbdrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.13.0-25-generic
root=UUID=97ea5186-d18d-4c06-a8b2-2dd1417477be ro splash quiet acpi=force
video=LVDS-1:d vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-4.13.0-25-generic N/A
linux-backports-modules-4.13.0-25-generic N/A
linux-firmware 1.169.1
RfKill: Error: [Errno 2] No such file or directory: 'rfkill': 'rfkill'
SourcePackage: linux
UpgradeStatus: Upgraded to artful on 2016-07-07 (551 days ago)
dmi.bios.date: 04/19/2013
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: P1.60
dmi.board.name: AD2700-ITX
dmi.board.vendor: ASRock
dmi.chassis.asset.tag: To Be Filled By O.E.M.
dmi.chassis.type: 3
dmi.chassis.vendor: To Be Filled By O.E.M.
dmi.chassis.version: To Be Filled By O.E.M.
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvrP1.60:bd04/19/2013:svnToBeFilledByO.E.M.:pnToBeFilledByO.E.M.:pvrToBeFilledByO.E.M.:rvnASRock:rnAD2700-ITX:rvr:cvnToBeFilledByO.E.M.:ct3:cvrToBeFilledByO.E.M.:
dmi.product.family: To Be Filled By O.E.M.
dmi.product.name: To Be Filled By O.E.M.
dmi.product.version: To Be Filled By O.E.M.
dmi.sys.vendor: To Be Filled By O.E.M.
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