[Bug 75636] Kernel oops

[Alexander Zhukov]

Public bug reported:

Binary package hint: linux-image-generic

When using ppp via ttyACM0 (dont know the exact kernel module for that) I get random kernel oopses.
like the one listed below:

 
[17180978.644000] BUG: unable to handle kernel paging request at virtual address 00130018
[17180978.644000]  printing eip:
[17180978.644000] c0153cb2
[17180978.644000] *pde = 00000000
[17180978.644000] Oops: 0000 [#1]
[17180978.644000] SMP 
[17180978.644000] Modules linked in: rndis_host cdc_ether usbnet cdc_acm binfmt_misc rfcomm l2cap ipv6 speedstep_centrino cpufreq_userspace cpufreq_stats freq_table cpufreq_powersave cpufreq_ondemand cpufreq_conservative video tc1100_wmi sony_acpi sbs pcc_acpi i2c_ec i2c_core hotkey dev_acpi container button battery asus_acpi ac fuse fglrx sbp2 lp pcmcia joydev sg snd_hda_intel snd_hda_codec ipw3945 snd_pcm_oss snd_mixer_oss tsdev hci_usb bluetooth yenta_socket ieee80211 ieee80211_crypt et131x evdev rsrc_nonstatic pcmcia_core snd_pcm snd_timer snd soundcore snd_page_alloc intel_agp agpgart psmouse serio_raw parport_pc parport shpchp pci_hotplug usbhid ext3 jbd ohci1394 ieee1394 ehci_hcd uhci_hcd usbcore ide_generic sd_mod ahci libata scsi_mod ide_cd cdrom piix generic thermal processor fan tileblit font bitblit softcursor vesafb capability commoncap
[17180978.644000] CPU:    1
[17180978.644000] EIP:    0060:[<c0153cb2>]    Tainted: P      VLI
[17180978.644000] EFLAGS: 00010202   (2.6.17-10-generic #2) 
[17180978.644000] EIP is at put_page+0x2/0x40
[17180978.644000] eax: 00130018   ebx: 00000001   ecx: d15aed80   edx: 00130018
[17180978.644000] esi: eeffcec0   edi: f327fef4   ebp: eeffcec0   esp: f327fd70
[17180978.644000] ds: 007b   es: 007b   ss: 0068
[17180978.644000] Process firefox-bin (pid: 6645, threadinfo=f327e000 task=f3441a90)
[17180978.644000] Stack: c026cbbf eeffcec0 00000000 c026c948 00000320 c02cf014 00000096 00000000 
[17180978.644000]        f3bc3680 f3bc37ec f3bc36e0 f3bc37cc eeffcef0 f327fef4 f34bf900 00000320 
[17180978.644000]        00000001 00000001 ffffffa1 00000000 f327feac f327e000 00000020 00000296 
[17180978.644000] Call Trace:
[17180978.644000]  <c026cbbf> skb_release_data+0x6f/0x90  <c026c948> kfree_skbmem+0x8/0x80
[17180978.644000]  <c02cf014> unix_stream_recvmsg+0x1c4/0x520  <c026b80c> skb_queue_head+0x1c/0x50
[17180978.644000]  <c0265dca> do_sock_read+0xca/0xe0  <c0268737> sock_readv+0xa7/0xd0
[17180978.644000]  <c0136180> autoremove_wake_function+0x0/0x50  <c01512e2> get_page_from_freelist+0x3a2/0x410
[17180978.644000]  <c01513a6> __alloc_pages+0x56/0x330  <c015c7a4> find_mergeable_anon_vma+0xc4/0xe0
[17180978.644000]  <c0268690> sock_readv+0x0/0xd0  <c016acfe> do_readv_writev+0x28e/0x300
[17180978.644000]  <c02dc0bb> do_page_fault+0x3db/0x6f0  <c016adf9> vfs_readv+0x39/0x50
[17180978.644000]  <c016b791> sys_readv+0x41/0xa0  <c0102fbb> sysenter_past_esp+0x54/0x79
[17180978.644000] Code: 01 89 5c 81 08 83 c0 01 83 f8 0e 89 01 74 02 5b c3 5b 89 c8 e9 e0 f9 ff ff 8b 53 0c eb dd 8d 74 26 00 8d bc 27 00 00 00 00 89 c2 <8b> 00 f6 c4 40 75 1e 8b 42 04 85 c0 74 1e f0 ff 4a 04 0f 94 c0 
[17180978.644000] EIP: [<c0153cb2>] put_page+0x2/0x40 SS:ESP 0068:f327fd70

** Affects: linux-meta (Ubuntu)
     Importance: Undecided
         Status: Unconfirmed

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Kernel oops
https://launchpad.net/bugs/75636