Ext3 is supported not well at 2.6.28 for external SD card removal

[hongjiujing@126.com (tommy.hong)]

hi,you can try EXT4!ext3 is not stable in arm,one of my friends need some ext3 bug in 2.6.25,can cause system halt!



?2009-10-19?13:59:11?"Marek?Vasut"?<marek.vasut@gmail.com>????
>Dne?Po?19.???jna?2009?07:38:35?Peter?Chen?napsal(a):
>>?Dear?all,
>>?
>>?I?find?the?kernel?2.6.28?is?supported?ext3?for?SD?card?not?well.
>>?The?external?SD?card?is?formatted?with?ext3,?and?when?removal?from
>>?sd?slot,?it?prints?below?ext3_abort?msg.?Such?message?isn't?occurred?at
>>?Linux?2.6.23?and?2.6.27.
>>?
>>?mmc1:?card?d555?removed
>>?mmcblk2:?error?-110?sending?read/write?command
>>?mmcblk2:?error?-110?requesting?status
>>?end_request:?I/O?error,?dev?mmcblk2,?sector?1576855
>>?Buffer?I/O?error?on?device?mmcblk2p1,?logical?block?197099
>>?lost?page?write?due?to?I/O?error?on?mmcblk2p1
>>?mmcblk2:?error?-110?sending?read/write?command
>>?mmcblk2:?error?-110?requesting?status
>>?end_request:?I/O?error,?dev?mmcblk2,?sector?1576863
>>?Buffer?I/O?error?on?device?mmcblk2p1,?logical?block?197100
>>?lost?page?write?due?to?I/O?error?on?mmcblk2p1
>>?Aborting?journal?on?device?mmcblk2p1.
>>?------------[?cut?here?]------------
>>?WARNING:?at
>>?/home/nchen/work/L28EVB/Dev/sirfa5cb_l28_alpha/kernel/fs/buffer.c:1195
>>?mark_buffer_dirty+0x9c/0xb8()
>>?Modules?linked?in:?sirfsoc_wdt?sirfsoc_uspserial?g_ether?g_usbdrv
>>?ehci_hcd?usbcore?snd_soc_cb_modac_ts?snd_soc_modac?snd_soc_sirfsoc_i2s
>>??snd_s?oc_ts_stream_mode?snd_soc_sirfsoc?snd_soc_core?snd_pcm?snd_timer?snd
>>??soundcore?snd_page_alloc?sirfsoc_bl?sirfsoc_fb?cfbcopyarea?cfbimgblt?cfbf
>>??illrect
>>?[<c008a8d8>]?(dump_stack+0x0/0x14)?from?[<c009edfc>]
>>?(warn_on_slowpath+0x4c/0x68)
>>?[<c009edb0>]?(warn_on_slowpath+0x0/0x68)?from?[<c011c1b0>]
>>?(mark_buffer_dirty+0x9c/0xb8)
>>???r6:c0ad1000?r5:c0340970?r4:c349b7f0
>>?[<c011c114>]?(mark_buffer_dirty+0x0/0xb8)?from?[<c015b84c>]
>>?(journal_update_superblock+0xcc/0x14c)
>>???r5:c3a319c0?r4:c38da000
>>?[<c015b780>]?(journal_update_superblock+0x0/0x14c)?from?[<c015ba84>]
>>?(__journal_abort_soft+0xc8/0xd8)
>>???r7:c38da000?r6:fffffffb?r5:c3a319c0?r4:c38da000
>>?[<c015b9bc>]?(__journal_abort_soft+0x0/0xd8)?from?[<c015baa4>]
>>?(journal_abort+0x10/0x14)
>>???r6:c3493860?r5:fffffffb?r4:c349b748
>>?[<c015ba94>]?(journal_abort+0x0/0x14)?from?[<c0158324>]
>>?(journal_commit_transaction+0xa64/0x14a0)
>>?[<c01578c0>]?(journal_commit_transaction+0x0/0x14a0)?from?[<c015c6d8>]
>>?(kjournald+0xc4/0x29c)
>>?[<c015c614>]?(kjournald+0x0/0x29c)?from?[<c00b5818>]?(kthread+0x54/0x80)
>>?[<c00b57c4>]?(kthread+0x0/0x80)?from?[<c00a1ec8>]?(do_exit+0x0/0x818)
>>???r5:00000000?r4:00000000
>>?---[?end?trace?494b15a74f793f7d?]---
>>?mmcblk2:?error?-110?sending?read/write?command
>>?mmcblk2:?error?-110?requesting?status
>>?end_request:?I/O?error,?dev?mmcblk2,?sector?1576855
>>?Buffer?I/O?error?on?device?mmcblk2p1,?logical?block?197099
>>?lost?page?write?due?to?I/O?error?on?mmcblk2p1
>>?journal?commit?I/O?error
>>?ext3_abort?called.
>>?EXT3-fs?error?(device?mmcblk2p1):?ext3_put_super:?Couldn't?clean?up?the
>>?journal
>>?Remounting?filesystem?read-only
>>?
>>?Besides,?I?find?when?system?goes?to?suspend,?when?we?remove?sd?card
>>?after?the?system?has?already?suspended.?Then,?press?wakeup?button,?the
>>?system?can't?wakeup.?It?sounds?happens
>>?deadlock?at?__fsync_super,?which?call?stack?likes?below:
>>?mmc_remove_card-->device_del-->mmc_blk_remove-->del_gendisk
>>?
>>?Such?action?is?ok?at?Linux?2.6.23?and?2.6.27.?And?sd?card?with?vfat?at
>>?2.6.28?is?ok.
>>?
>>?Does?anyone?know?what?happening?for?ext3?at?2.6.28?(?or?from?2.6.28)?
>>?Any?solutions?for?such?issue?
>
>You?popped?the?card?out?without?unmounting?the?filesystem?I?guess??
>>?
>>?Thank?you!
>>?
>
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