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

[marek.vasut@gmail.com (Marek Vasut)]

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!
>