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Bug#606686: linux-image-2.6.32-5-686-bigmem: problem mounting CD, even as a loop device



On Fri, 2010-12-10 at 23:44 +0100, Toni Mueller wrote:
> Package: linux-2.6
> Version: 2.6.32-27
> Severity: important
> 
> 
> 
> Hello,
> 
> I have a problem when I try to mount a CD image, regardless of whether
> it's a physical CD in a drive, or an ISO image on the file system. I've
> tried different images, to be sure. This is what I get (one sample):

We need to see the *first* oops message.  This...

> Dec 10 23:38:48 debian kernel: [1739778.791782] BUG: unable to handle kernel paging request at 4ced1b76
> Dec 10 23:38:48 debian kernel: [1739778.791796] IP: [<c1090d31>] zone_watermark_ok+0x5c/0x9d
> Dec 10 23:38:48 debian kernel: [1739778.791814] *pdpt = 0000000035e98001 *pde = 0000000000000000 
> Dec 10 23:38:48 debian kernel: [1739778.791826] Oops: 0000 [#4] SMP 
> Dec 10 23:38:48 debian kernel: [1739778.791834] last sysfs file: /sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:14/ATK0110:00/hwmon/hwmon0/fan3_input
> Dec 10 23:38:48 debian kernel: [1739778.791846] Modules linked in: nls_utf8 isofs udf crc_itu_t xfrm_user xfrm4_tunnel tunnel4 ipcomp xfrm_ipcomp esp4 ah4 fuse ip6table_filter ip6_
> tables ebtable_nat ebtables binfmt_misc drbd lru_cache cn sco bnep rfcomm l2cap crc16 bluetooth rfkill kvm_amd kvm battery powernow_k8 cpufreq_userspace cpufreq_conservative cpufre
> q_powersave cpufreq_stats nfsd exportfs nfs lockd fscache nfs_acl auth_rpcgss sunrpc nf_nat_ftp nf_nat_irc nf_conntrack_ftp nf_conntrack_irc ipt_MASQUERADE iptable_nat nf_nat ipt_L
> OG xt_limit xt_tcpudp xt_state nf_conntrack_ipv4 nf_conntrack nf_defrag_ipv4 iptable_filter ip_tables x_tables ppp_deflate bsd_comp ppp_async crc_ccitt ppp_generic slhc bridge stp 
> deflate zlib_deflate ctr twofish twofish_common camellia serpent blowfish cast5 des_generic xcbc rmd160 sha1_generic hmac crypto_null af_key loop snd_hda_codec_via snd_hda_intel sn
> d_hda_codec radeon ttm snd_hwdep drm_kms_helper snd_pcm_oss snd_mixer_oss drm snd_pcm snd_seq_midi snd_rawmidi snd_seq_midi_eve
> Dec 10 23:38:48 debian kernel: nt snd_seq snd_timer snd_seq_device i2c_algo_bit asus_atk0110 parport_pc evdev snd shpchp pcspkr i2c_piix4 processor button soundcore parport snd_pag
> e_alloc i2c_core pci_hotplug acpi_processor ext3 jbd mbcache sha256_generic aes_i586 aes_generic cbc dm_crypt dm_mod raid1 md_mod sg usbhid hid sr_mod cdrom sd_mod crc_t10dif ata_g
> eneric ohci_hcd pata_atiixp ahci e1000e libata thermal thermal_sys scsi_mod ehci_hcd r8169 usbcore nls_base mii [last unloaded: fuse]
> Dec 10 23:38:48 debian kernel: [1739778.792097] 
> Dec 10 23:38:48 debian kernel: [1739778.792106] Pid: 22347, comm: ls Tainted: G      D W  (2.6.32-5-xen-686 #1) System Product Name
[...]

...shows the D and W flags which indicate there were prior BUG and WARN
messages.

Ben.

-- 
Ben Hutchings
Once a job is fouled up, anything done to improve it makes it worse.

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