zram-related errors ("Buffer I/O error", "scheduling while atomic") and complete lockup..
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
linux (Ubuntu) |
New
|
Undecided
|
Unassigned |
Bug Description
I'm seeing errors such as these:
Sep 9 08:41:26 xubuntu kernel: [ 20.641594] Buffer I/O error on device zram0, logical block 256349
Sep 9 08:41:26 xubuntu kernel: [ 20.641599] Buffer I/O error on device zram0, logical block 256349
Sep 9 08:41:26 xubuntu kernel: [ 20.642234] Buffer I/O error on device zram0, logical block 256349
Sep 9 08:41:26 xubuntu kernel: [ 20.642241] Buffer I/O error on device zram0, logical block 256349
Sep 9 08:41:26 xubuntu kernel: [ 20.642245] Buffer I/O error on device zram0, logical block 256349
and these in my syslog:
Sep 9 15:47:29 xubuntu kernel: [25592.050279] BUG: scheduling while atomic: colord/
Sep 9 15:47:29 xubuntu kernel: [25592.050283] Modules linked in: arc4 rt2800usb rt2800lib rt2x00usb rt2x00lib mac80211 cfg80211 usblp ppp_deflate zlib_deflate bsd_comp ppp_async crc_ccitt option usb_wwan usbserial pci_stub vboxpci(O) vboxnetadp(O) vboxnetflt(O) vboxdrv(O) dm_crypt mceusb clip atm rfcomm parport_pc bnep ppdev bluetooth binfmt_misc nls_utf8 isofs tda1004x saa7134_dvb videobuf_dvb dvb_core saa7134_alsa rc_hauppauge ir_kbd_i2c tda827x snd_usb_audio uvcvideo snd_usbmidi_lib snd_hda_
Sep 9 15:47:29 xubuntu kernel: go_bit video zram(C)
The machine also periodically freezes, not responding to mouse or keyboard or remote ssh (but it does to ping.)
ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: linux-image-
ProcVersionSign
Uname: Linux 3.2.0-52-
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
ApportVersion: 2.0.1-0ubuntu17.4
Architecture: i386
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/
/dev/snd/
/dev/snd/
/dev/snd/pcmC0D0p: steved 3250 F...m pulseaudio
CRDA: Error: command ['iw', 'reg', 'get'] failed with exit code 1: nl80211 not found.
Card0.Amixer.info:
Card hw:0 'Intel'/'HDA Intel at 0xfdff4000 irq 43'
Mixer name : 'Realtek ALC888'
Components : 'HDA:10ec0888,
Controls : 41
Simple ctrls : 23
Card1.Amixer.info:
Card hw:1 'U0x46d0x825'/'USB Device 0x46d:0x825 at usb-0000:
Mixer name : 'USB Mixer'
Components : 'USB046d:0825'
Controls : 2
Simple ctrls : 1
Card1.Amixer.
Simple mixer control 'Mic',0
Capabilities: cvolume cvolume-joined cswitch cswitch-joined penum
Capture channels: Mono
Limits: Capture 0 - 6144
Mono: Capture 6144 [100%] [30.00dB] [on]
Card2.Amixer.info:
Card hw:2 'SAA7134'
Mixer name : 'SAA7134 Mixer'
Components : ''
Controls : 6
Simple ctrls : 3
Date: Tue Sep 10 11:03:12 2013
HibernationDevice: RESUME=
InstallationMedia: Ubuntu 12.04.1 LTS "Precise Pangolin" - Release i386 (20120822.4)
IwConfig:
lo no wireless extensions.
eth0 no wireless extensions.
MachineType: Dell Inc. Inspiron 530
MarkForUpload: True
ProcEnviron:
LANGUAGE=en_GB:en
TERM=xterm
PATH=(custom, no user)
LANG=en_GB.UTF-8
SHELL=/bin/bash
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=
RelatedPackageV
linux-
linux-
linux-firmware 1.79.6
RfKill:
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 06/20/2008
dmi.bios.vendor: Dell Inc.
dmi.bios.version: 1.0.15
dmi.board.name: 0K216C
dmi.board.vendor: Dell Inc.
dmi.board.version: ���
dmi.chassis.type: 3
dmi.chassis.vendor: Dell Inc.
dmi.chassis.
dmi.modalias: dmi:bvnDellInc.
dmi.product.name: Inspiron 530
dmi.sys.vendor: Dell Inc.