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Message-ID: <AANLkTinOoxB4FnVXm1sSbW7zbdrEpA_dYzphh0CEWr-8@mail.gmail.com>
Date: Thu, 28 Oct 2010 17:08:32 +0200
From: Sedat Dilek <sedat.dilek@...glemail.com>
To: LKML <linux-kernel@...r.kernel.org>, linux-ext4@...r.kernel.org
Cc: "Theodore Ts'o" <tytso@....edu>, sfr@...b.auug.org.au,
Arnd Bergmann <arnd@...db.de>
Subject: Re: [next-20101028] Call trace in ext4
I tried to GIT-pull ext4/upstream-merge and linux-2.6/master into
linux-next (20101028), for both cases there occured CONFLICTS.
So let's see if this is fixed in tommorow's linux-next patch .
For now, I switch to Linux 2.6.36-git11 and will report later.
- Sedat -
Attached files:
MERGE_CONFLICT_ext4-upstream-merge and MERGE_CONFLICT_linux-2.6
On Thu, Oct 28, 2010 at 12:34 PM, Sedat Dilek
<sedat.dilek@...glemail.com> wrote:
> [ Changes subject s/next-20101038/next-20101028 ]
>
> Not sure if there got something wrong when merging ext4 [1] into
> linux-next (before GIT-pull-request to LKML) or some patches missing
> from Ted's ext4/upstream-merge GIT branch?
>
> - Sedat -
>
> P.S.: Forgotten to add v2 of 2nd patch I mentionned below, sorry.
>
> [1] http://lkml.org/lkml/2010/10/27/480
> [2] http://git.kernel.org/?p=linux/kernel/git/tytso/ext4.git;a=shortlog;h=refs/heads/upstream-merge
>
> On Thu, Oct 28, 2010 at 12:05 PM, Sedat Dilek
> <sedat.dilek@...glemail.com> wrote:
>> Hi,
>>
>> I have built today linux-next as of next-20101028 in a non-BKL config
>> (kernel-config attached) on a Debian i386/sid host.
>>
>> When I start my quassel IRC-client I get reproducibly this call-trace:
>>
>> # tail -40 kern.log
>> Oct 28 11:42:54 tbox kernel: [ 32.872957] EXT3-fs (sdb5): warning:
>> maximal mount count reached, running e2fsck is recommended
>> Oct 28 11:42:54 tbox kernel: [ 32.873621] EXT3-fs (sdb5): using
>> internal journal
>> Oct 28 11:42:54 tbox kernel: [ 32.873635] EXT3-fs (sdb5): mounted
>> filesystem with ordered data mode
>> Oct 28 11:44:16 tbox kernel: [ 115.480401] ------------[ cut here ]------------
>> Oct 28 11:44:16 tbox kernel: [ 115.480598] kernel BUG at
>> /home/sd/src/linux-2.6/linux-2.6.36/debian/build/source_i386_none/fs/ext4/inode.c:2721!
>> Oct 28 11:44:16 tbox kernel: [ 115.480979] invalid opcode: 0000 [#1] SMP
>> Oct 28 11:44:16 tbox kernel: [ 115.481155] last sysfs file:
>> /sys/devices/LNXSYSTM:00/device:00/PNP0A03:00/device:01/PNP0C09:00/PNP0C0A:00/power_supply/BAT0/energy_full
>> Oct 28 11:44:16 tbox kernel: [ 115.481610] Modules linked in: ext3
>> jbd sco aes_i586 rfcomm bnep aes_generic l2cap bluetooth acpi_cpufreq
>> mperf cpufreq_powersave cpufreq_userspace cpufreq_stats ppdev
>> cpufreq_conservative lp dm_crypt binfmt_misc arc4 snd_intel8x0 ecb
>> snd_intel8x0m radeon thinkpad_acpi snd_ac97_codec ath5k snd_seq_midi
>> ac97_bus pcmcia snd_pcm_oss joydev snd_rawmidi snd_seq_midi_event ath
>> mac80211 snd_mixer_oss ttm cfg80211 snd_seq snd_pcm yenta_socket
>> pcmcia_rsrc drm_kms_helper drm snd_seq_device snd_timer pcmcia_core
>> i2c_algo_bit nsc_ircc rfkill snd_page_alloc irda i2c_i801 shpchp snd
>> i2c_core tpm_tis rng_core pci_hotplug psmouse processor tpm soundcore
>> parport_pc video ac tpm_bios battery button led_class pcspkr evdev
>> parport power_supply serio_raw nvram output crc_ccitt fuse autofs4
>> ext4 mbcache jbd2 crc16 dm_mod usbhid hid usb_storage sg sd_mod sr_mod
>> crc_t10dif cdrom ata_generic ata_piix libata uhci_hcd ehci_hcd usbcore
>> scsi_mod thermal e1000 thermal_sys floppy nls_base [last unloaded:
>> scsi
>> Oct 28 11:44:16 tbox kernel: _wait_scan]
>> Oct 28 11:44:16 tbox kernel: [ 115.484020]
>> Oct 28 11:44:16 tbox kernel: [ 115.484020] Pid: 237, comm:
>> jbd2/sda5-8 Not tainted 2.6.36-next-20101028.1-686 #1 2374SG6/2374SG6
>> Oct 28 11:44:16 tbox kernel: [ 115.484020] EIP: 0060:[<f86282fb>]
>> EFLAGS: 00010246 CPU: 0
>> Oct 28 11:44:16 tbox kernel: [ 115.484020] EIP is at
>> ext4_writepage+0x8d/0x1f1 [ext4]
>> Oct 28 11:44:16 tbox kernel: [ 115.484020] EAX: 40020029 EBX:
>> f76934a0 ECX: 05050030 EDX: 00000000
>> Oct 28 11:44:16 tbox kernel: [ 115.484020] ESI: 00005050 EDI:
>> 00001000 EBP: f5f3c548 ESP: ef973dbc
>> Oct 28 11:44:16 tbox kernel: [ 115.484020] DS: 007b ES: 007b FS:
>> 00d8 GS: 00e0 SS: 0068
>> Oct 28 11:44:16 tbox kernel: [ 115.484020] Process jbd2/sda5-8 (pid:
>> 237, ti=ef972000 task=ef8c9080 task.ti=ef972000)
>> Oct 28 11:44:16 tbox kernel: [ 115.484020] Stack:
>> Oct 28 11:44:16 tbox kernel: [ 115.484020] 00000005 00000000
>> ef973e98 00000000 f5f3c600 ef973e98 00000000 00005050
>> Oct 28 11:44:16 tbox kernel: [ 115.484020] c108fe6e f76934a0
>> c1090ea4 00000001 f5f3c600 00000004 00000002 00000000
>> Oct 28 11:44:16 tbox kernel: [ 115.484020] 00000006 0000000e
>> ef9a6180 c108fe66 e74172ff 0000000e 00000000 f7693400
>> Oct 28 11:44:16 tbox kernel: [ 115.484020] Call Trace:
>> Oct 28 11:44:16 tbox kernel: [ 115.484020] [<c108fe6e>] ? __writepage+0x8/0x1f
>> Oct 28 11:44:16 tbox kernel: [ 115.484020] [<c1090ea4>] ?
>> write_cache_pages+0x1cc/0x281
>> Oct 28 11:44:16 tbox kernel: [ 115.484020] [<c108fe66>] ? __writepage+0x0/0x1f
>> Oct 28 11:44:16 tbox kernel: [ 115.484020] [<c1090f6f>] ?
>> generic_writepages+0x16/0x1d
>> Oct 28 11:44:16 tbox kernel: [ 115.484020] [<f85ab8d9>] ?
>> journal_submit_data_buffers+0xf5/0x150 [jbd2]
>> Oct 28 11:44:16 tbox kernel: [ 115.484020] [<f85abd1e>] ?
>> jbd2_journal_commit_transaction+0x2d1/0xda3 [jbd2]
>> Oct 28 11:44:16 tbox kernel: [ 115.484020] [<c1025bdb>] ?
>> dequeue_task_fair+0x1b/0x57
>> Oct 28 11:44:16 tbox kernel: [ 115.484020] [<c10392df>] ?
>> lock_timer_base+0x19/0x34
>> Oct 28 11:44:16 tbox kernel: [ 115.484020] [<c1039356>] ?
>> try_to_del_timer_sync+0x5c/0x63
>> Oct 28 11:44:16 tbox kernel: [ 115.484020] [<f85afdf2>] ?
>> kjournald2+0x9e/0x1c7 [jbd2]
>> Oct 28 11:44:16 tbox kernel: [ 115.484020] [<c1043ffe>] ?
>> autoremove_wake_function+0x0/0x29
>> Oct 28 11:44:16 tbox kernel: [ 115.484020] [<f85afd54>] ?
>> kjournald2+0x0/0x1c7 [jbd2]
>> Oct 28 11:44:16 tbox kernel: [ 115.484020] [<c1043cb2>] ? kthread+0x63/0x68
>> Oct 28 11:44:16 tbox kernel: [ 115.484020] [<c1043c4f>] ? kthread+0x0/0x68
>> Oct 28 11:44:16 tbox kernel: [ 115.484020] [<c10034fe>] ?
>> kernel_thread_helper+0x6/0x10
>> Oct 28 11:44:16 tbox kernel: [ 115.484020] Code: 0c 89 34 24 89 ce 0f
>> ac d6 0c 39 7c 24 04 75 05 39 34 24 74 07 bf 00 10 00 00 eb 08 89 cf
>> 81 e7 ff 0f 00 00 8b 03 f6 c4 08 75 04 <0f> 0b eb fe c7 04 24 00 00 00
>> 00 83 7b 0c 00 75 37 68 46 ac 62
>> Oct 28 11:44:16 tbox kernel: [ 115.484020] EIP: [<f86282fb>]
>> ext4_writepage+0x8d/0x1f1 [ext4] SS:ESP 0068:ef973dbc
>> Oct 28 11:44:16 tbox kernel: [ 115.564589] ---[ end trace 1b8c420fb1d1ae45 ]---
>>
>> The code section looks like:
>> [ fs/ext4/inode.c ]
>> ...
>> /*
>> * If the page does not have buffers (for whatever reason),
>> * try to create them using __block_write_begin. If this
>> * fails, redirty the page and move on.
>> */
>> if (!page_buffers(page)) { <--- LINE #2721
>> if (__block_write_begin(page, 0, len,
>> noalloc_get_block_write)) {
>> redirty_page:
>> redirty_page_for_writepage(wbc, page);
>> unlock_page(page);
>> return 0;
>> }
>> commit_write = 1;
>> }
>> ...
>>
>> I am not sure if this is a general ext4 problem or only in a non-BKL setup.
>>
>> Hope this helps to track down the problem.
>>
>> Kind Regards,
>> - Sedat -
>>
>> P.S.:
>> I also have tried with patches from [1] and [2], v2 versions attached
>> to make linux-next happy.
>>
>> [1] http://lkml.org/lkml/2010/10/28/36
>> [2] http://lkml.org/lkml/2010/10/28/40
>>
>
Download attachment "MERGE_CONFLICT_ext4-upstream-merge" of type "application/octet-stream" (21345 bytes)
Download attachment "MERGE_CONFLICT_linux-2.6" of type "application/octet-stream" (2368 bytes)
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