On Tue, 2011-07-19 at 15:08 +0300, Touko Korpela wrote:
> Package: linux-2.6
> Version: 2.6.39-3
This is based on stable update 2.6.39.2, which includes a backport of
commit 0a58e077eb600d1efd7e54ad9926a75a39d7f8ae ('block: add proper
state guards to __elv_next_request').
> Severity: important
>
> Plug/unplug (interface disconnected)/plug cycle with Huawei E1552 USB 3G modem (also emulates cdrom) sometimes causes kernel oops.
> Wlan was disabled at crash time.
> Oops message is at end of this message.
[...]
> Jul 19 14:00:31 lisko kernel: [232636.442489] BUG: unable to handle kernel paging request at 76656463
> Jul 19 14:00:31 lisko kernel: [232636.442677] IP: [<c1140f25>] elv_put_request+0x5/0x11
> Jul 19 14:00:31 lisko kernel: [232636.442823] *pdpt = 0000000032ccb001 *pde = 0000000000000000
> Jul 19 14:00:31 lisko kernel: [232636.442982] Oops: 0000 [#1] SMP
> Jul 19 14:00:31 lisko kernel: [232636.443074] last sysfs file: /sys/devices/pci0000:00/0000:00:13.2/class
> Jul 19 14:00:31 lisko kernel: [232636.443238] Modules linked in: ipt_MASQUERADE xt_state ipt_REJECT xt_tcpudp iptable_filter nf_nat_h323 nf_conntrack_h323 nf_nat_pptp nf_conntrack_pptp nf_conntrack_proto_gre nf_nat_proto_gre nf_nat_tftp nf_conntrack_tftp nf_nat_sip nf_conntrack_sip nf_nat_irc nf_conntrack_irc nf_nat_ftp nf_conntrack_ftp iptable_nat nf_nat nf_conntrack_ipv4 nf_conntrack nf_defrag_ipv4 ip_tables x_tables ppp_deflate zlib_deflate bsd_comp ppp_async crc_ccitt ppp_generic slhc option usb_wwan usbserial sg sr_mod cdrom nls_utf8 nls_cp437 vfat fat bridge stp bnep rfcomm powernow_k8 mperf cpufreq_stats cpufreq_powersave cpufreq_userspace cpufreq_conservative fuse loop snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_intel arc4 snd_hda_codec snd_hwdep ecb snd_pcm snd_seq joydev brcmsmac(C) mac80211 radeon uvcvideo ttm videodev media drm_kms_helper snd_timer snd_seq_device drm snd soundcore snd_page_alloc i2c_algo_bit btusb cfg80211 bluetooth i2c_piix4 psmouse serio_raw evdev shpchp tpm_tis tpm battery v
> Jul 19 14:00:31 lisko kernel: ideo tpm_bios samsung_laptop processor button ac i2c_core power_supply rfkill pcspkr k10temp pci_hotplug ext4 mbcache jbd2 crc16 sd_mod usb_storage crc_t10dif uas ahci libahci libata ohci_hcd ehci_hcd usbcore scsi_mod thermal sky2 thermal_sys [last unloaded: scsi_wait_scan]
> Jul 19 14:00:31 lisko kernel: [232636.444009]
> Jul 19 14:00:31 lisko kernel: [232636.444009] Pid: 9956, comm: hald-probe-stor Tainted: G WC 2.6.39-2-686-pae #1 SAMSUNG ELECTRONICS CO., LTD. X125 /X125
> Jul 19 14:00:31 lisko kernel: [232636.444009] EIP: 0060:[<c1140f25>] EFLAGS: 00010006 CPU: 0
> Jul 19 14:00:31 lisko kernel: [232636.444009] EIP is at elv_put_request+0x5/0x11
> Jul 19 14:00:31 lisko kernel: [232636.444009] EAX: 7665642f EBX: f763248c ECX: 023a4800 EDX: f2ff1a2c
> Jul 19 14:00:31 lisko kernel: [232636.444009] ESI: f2ff1a2c EDI: 023a4800 EBP: f71b7eec ESP: f71b7e4c
> Jul 19 14:00:31 lisko kernel: [232636.444009] DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068
> Jul 19 14:00:31 lisko kernel: [232636.444009] Process hald-probe-stor (pid: 9956, ti=f71b6000 task=f4d445e0 task.ti=f71b6000)
> Jul 19 14:00:31 lisko kernel: [232636.444009] Stack:
> Jul 19 14:00:31 lisko kernel: [232636.444009] c1145633 f763248c 00000246 f2ff1a2c c1145b27 f2ff1a2c 08000002 f2ff1ace
> Jul 19 14:00:31 lisko kernel: [232636.444009] f84f824f f73dad40 f71b7eec f4f8a000 f71b7ed4 f84f82ae 00000000 00000000
> Jul 19 14:00:31 lisko kernel: [232636.444009] f73dad40 000009c4 00000005 00000000 00000000 00000003 04000000 f4f8a000
> Jul 19 14:00:31 lisko kernel: [232636.444009] Call Trace:
> Jul 19 14:00:31 lisko kernel: [232636.444009] [<c1145633>] ? __blk_put_request+0x76/0xa1
> Jul 19 14:00:31 lisko kernel: [232636.444009] [<c1145b27>] ? blk_put_request+0x1e/0x2e
> Jul 19 14:00:31 lisko kernel: [232636.444009] [<f84f824f>] ? scsi_execute+0xfc/0x103 [scsi_mod]
> Jul 19 14:00:31 lisko kernel: [232636.444009] [<f84f82ae>] ? scsi_execute_req+0x58/0x83 [scsi_mod]
> Jul 19 14:00:31 lisko kernel: [232636.444009] [<f84f36f9>] ? T.912+0x48/0x12c [scsi_mod]
> Jul 19 14:00:31 lisko kernel: [232636.444009] [<f84f382a>] ? scsi_set_medium_removal+0x4d/0x84 [scsi_mod]
> Jul 19 14:00:31 lisko kernel: [232636.444009] [<fa655469>] ? cdrom_release+0x163/0x1c3 [cdrom]
> Jul 19 14:00:31 lisko kernel: [232636.444009] [<c12b1204>] ? __mutex_lock_common+0xf0/0x13a
> Jul 19 14:00:31 lisko kernel: [232636.444009] [<f8766629>] ? sr_block_release+0x22/0x38 [sr_mod]
> Jul 19 14:00:31 lisko kernel: [232636.444009] [<c10ed5e9>] ? __blkdev_put+0x7c/0x10c
> Jul 19 14:00:31 lisko kernel: [232636.444009] [<c10cd743>] ? fput+0xd5/0x19d
> Jul 19 14:00:31 lisko kernel: [232636.444009] [<c10cae2c>] ? filp_close+0x54/0x5a
> Jul 19 14:00:31 lisko kernel: [232636.444009] [<c10cae8a>] ? sys_close+0x58/0x85
> Jul 19 14:00:31 lisko kernel: [232636.444009] [<c12b721f>] ? sysenter_do_call+0x12/0x28
> Jul 19 14:00:31 lisko kernel: [232636.444009] Code: 74 04 ff d1 89 c3 89 d8 5b c3 53 8b 58 0c 8b 1b 8b 5b 30 85 db 74 04 ff d3 eb 09 c7 42 58 00 00 00 00 31 c0 5b c3 8b 40 0c 8b 00 <8b> 48 34 85 c9 74 04 89 d0 ff d1 c3 53 8b 48 0c 31 db 8b 09 8b
> Jul 19 14:00:31 lisko kernel: [232636.444009] EIP: [<c1140f25>] elv_put_request+0x5/0x11 SS:ESP 0068:f71b7e4c
> Jul 19 14:00:31 lisko kernel: [232636.444009] CR2: 0000000076656463
> Jul 19 14:00:31 lisko kernel: [232636.444009] ---[ end trace 6d450e935ee1897e ]---
[...]
Full bug report is at <http://bugs.debian.org/634681>.
Seems to be the same as or similar to <http://bugs.debian.org/633890>,
<http://bugs.debian.org/631187>,
<https://bugs.launchpad.net/debian/+source/linux-2.6/+bug/793796>,
<https://bugzilla.kernel.org/show_bug.cgi?id=38842>.
Ben.
--
Ben Hutchings
Absolutum obsoletum. (If it works, it's out of date.) - Stafford Beer
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