*** This bug is a duplicate of bug 1215513 ***
https://bugs.launchpad.net/bugs/1215513
** This bug is no longer a duplicate of bug 1217189
Buffer I/O error on device zram0 (possibly causing complete machine lockup)
** This bug has been marked a duplicate of bug 1215513
System locks up, requires hard reset
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https://bugs.launchpad.net/bugs/1223273
Title:
zram-related errors ("Buffer I/O error", "scheduling while atomic")
and complete lockup..
Status in “linux” package in Ubuntu:
New
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/1741/0x00000001
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_codec_realtek joydev tda8290
snd_hda_intel snd_hda_codec snd_hwdep tuner snd_pcm dcdbas snd_seq_midi
snd_rawmidi snd_seq_midi_event ir_lirc_codec lirc_dev snd_seq
ir_mce_kbd_decoder ir_sony_decoder ir_jvc_decoder saa7134 ir_rc6_decoder
ir_rc5_decoder snd_timer snd_seq_device ir_nec_decoder psmouse rc_core
videobuf_dma_sg videobuf_core v4l2_common serio_raw videodev tveeprom snd
soundcore snd_page_alloc mac_hid nvram lp parport hid_microsoft hid_logitech_dj
usbhid hid floppy i915 drm_kms_helper drm usb_storage e1000e i2c_al
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-3.2.0-53-generic-pae 3.2.0-53.81
ProcVersionSignature: Ubuntu 3.2.0-52.78-generic-pae 3.2.48
Uname: Linux 3.2.0-52-generic-pae i686
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/controlC2: steved 3250 F.... pulseaudio
/dev/snd/controlC1: steved 3250 F.... pulseaudio
/dev/snd/controlC0: steved 3250 F.... pulseaudio
/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:10ec0888,1028020d,00100001'
Controls : 41
Simple ctrls : 23
Card1.Amixer.info:
Card hw:1 'U0x46d0x825'/'USB Device 0x46d:0x825 at usb-0000:00:1a.7-6.2,
high speed'
Mixer name : 'USB Mixer'
Components : 'USB046d:0825'
Controls : 2
Simple ctrls : 1
Card1.Amixer.values:
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'/'saa7133[0] at 0xfddff000 irq 21'
Mixer name : 'SAA7134 Mixer'
Components : ''
Controls : 6
Simple ctrls : 3
Date: Tue Sep 10 11:03:12 2013
HibernationDevice: RESUME=UUID=89d4ff92-8b3f-4425-840e-1393d3e4b7c1
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=/boot/vmlinuz-3.2.0-52-generic-pae
root=/dev/mapper/lvg2-precise ro quiet splash vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-3.2.0-52-generic-pae N/A
linux-backports-modules-3.2.0-52-generic-pae N/A
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.version: OEM
dmi.modalias:
dmi:bvnDellInc.:bvr1.0.15:bd06/20/2008:svnDellInc.:pnInspiron530:pvr:rvnDellInc.:rn0K216C:rvr:cvnDellInc.:ct3:cvrOEM:
dmi.product.name: Inspiron 530
dmi.sys.vendor: Dell Inc.
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