Pls make sure that the following option is enable in the kernel configuration.
"CONFIG_MMC_UNSAFE_RESUME"

This option should be set to Y when the rootfs is placed on the SD card and
the suspend/resume are supported.

Best Regard
Richard Zhu

On 19 December 2011 15:01, Fathi Boudra <email address hidden> wrote:
> ** Also affects: linaro-landing-team-freescale
>   Importance: Undecided
>       Status: New
>
> --
> You received this bug notification because you are a member of Linaro
> Landing Team: Freescale, which is subscribed to Linaro Freescale Landing
> Team Project.
> https://bugs.launchpad.net/bugs/837830
>
> Title:
>  Android re-detect microSD card as mmc1 and system crash on imx53loco
>
> Status in Linaro Android:
>  New
> Status in Linaro Freescale Landing Team Project:
>  New
>
> Bug description:
>  After a suspend(seems to be), microSD card is reported removed but it
>  doesn't, then the card is recognized as mmc1, system crashes. see log.
>
>  Environment:
>  android 11.08 milestone build, #5
>
>  Log:
>
>  # [  159.378779] PM: Syncing filesystems ... done.
>  [  159.432291] mmc0: card 0fe7 removed
>  [  159.477039] Freezing user space processes ...
>  [  159.482275] Freezing of user space  aborted
>  [  159.486931]
>  [  159.488490] Restarting tasks ... done.
>  [  159.616061] EXT4-fs error (device mmcblk0p3): ext4_find_entry:933: inode #339: comm SurfaceFlinger: reading directory lblock 0
>  [  159.627992] EXT4-fs (mmcblk0p3): previous I/O error to superblock detected
>  [  159.635235] EXT4-fs error (device mmcblk0p3): ext4_find_entry:933: inode #2: comm SurfaceFlinger: reading directory lblock 0
>  [  159.657365] EXT4-fs (mmcblk0p3): previous I/O error to superblock detected
>  [  159.664411] EXT4-fs error (device mmcblk0p3): ext4_find_entry:933: inode #339: comm SurfaceFlinger: reading directory lblock 0
>  [  160.570782] mmc0: new high speed SDHC card at address 0fe7
>  [  160.578386] mmcblk1: mmc0:0fe7 SD04G 3.69 GiB
>  [  160.587369]  mmcblk1: p1 p2 p3 p4 < p5 p6 p7 >
>  [  160.741602] FAT: IO charset iso8859-1 not found
>  echo $PATH[  175.678101] EXT4-fs error (device mmcblk0p6): ext4_find_entry:933: inode #98317: comm ThrottleService: reading directory lblock 0
>  [  175.690417] EXT4-fs error (device mmcblk0p6): ext4_read_inode_bitmap:160: comm ThrottleService: Cannot read inode bitmap - block_group = 48, inode_bitmap = 393233
>  [  175.705043] EXT4-fs error (device mmcblk0p6) in ext4_new_inode:1067: IO failure
>  [  175.712369] EXT4-fs (mmcblk0p6): previous I/O error to superblock detected
>  [  175.740695] EXT4-fs (mmcblk0p6): previous I/O error to superblock detected
>  [  175.747855] EXT4-fs error (device mmcblk0p6): ext4_find_entry:933: inode #98317: comm ThrottleService: reading directory lblock 0
>  [  175.790812] alarm_release: clear alarm, pending 0
>  [  175.795634] alarm_release: clear alarm, pending 0
>  [  175.800345] alarm_release: clear alarm, pending 0
>  [  175.831425] init: untracked pid 121 exited
>  [  175.857090] EXT4-fs error (device mmcblk0p6): ext4_read_block_bitmap:350: comm Binder Thread #: Cannot read block bitmap - block_group = 4, block_bitmap = 264
>  [  175.871389] EXT4-fs error (device mmcblk0p6): ext4_discard_preallocations:3886: comm Binder Thread #: Error reading block bitmap for 4
>  [  175.883829] init: untracked pid 122 exited
>
>  /sbin:/vendor/bin:/system/sbin:/s[  175.936045] init: untracked pid 213 exited
>  ystem/bin:/system/xbin
>  # [  176.524889] EXT4-fs (mmcblk0p3): previous I/O error to superblock detected
>  [  176.532008] EXT4-fs error (device mmcblk0p3): ext4_find_entry:933: inode #2051: comm zygote: reading directory lblock 0
>  [  176.557211] EXT4-fs (mmcblk0p3): previous I/O error to superblock detected
>  [  176.574879] EXT4-fs error (device mmcblk0p3): ext4_find_entry:933: inode #2051: comm zygote: reading directory lblock 0
>  [  176.596869] EXT4-fs (mmcblk0p3): previous I/O error to superblock detected
>  [  176.620590] EXT4-fs error (device mmcblk0p3): ext4_find_entry:933: inode #2051: comm zygote: reading directory lblock 0
>  [  176.646926] EXT4-fs (mmcblk0p3): previous I/O error to superblock detected
>  [  176.654027] EXT4-fs error (device mmcblk0p3): ext4_find_entry:933: inode #2051: comm zygote: reading directory lblock 0
>  [  176.676804] EXT4-fs (mmcblk0p3): previous I/O error to superblock detected
>  [  176.694843] EXT4-fs error (device mmcblk0p3): ext4_find_entry:933: inode #2051: comm zygote: reading directory lblock 0
>  [  176.716299] EXT4-fs (mmcblk0p3): previous I/O error to superblock detected
>  [  176.727919] EXT4-fs error (device mmcblk0p3): ext4_find_entry:933: inode #2051: comm zygote: reading directory lblock 0
>  [  176.740479] EXT4-fs (mmcblk0p3): previous I/O error to superblock detected
>  [  176.747676] EXT4-fs error (device mmcblk0p3): ext4_find_entry:933: inode #2051: comm zygote: reading directory lblock 0
>  [  176.874110] EXT4-fs (mmcblk0p3): previous I/O error to superblock detected
>  [  176.881275] EXT4-fs error (device mmcblk0p3): ext4_find_entry:933: inode #391: comm zygote: reading directory lblock 0
>  [  177.287696] EXT4-fs (mmcblk0p3): previous I/O error to superblock detected
>  [  177.294755] EXT4-fs error (device mmcblk0p3): ext4_find_entry:933: inode #2050: comm zygote: reading directory lblock 0
>  [  177.306309] EXT4-fs (mmcblk0p3): previous I/O error to superblock detected
>  [  177.313358] EXT4-fs error (device mmcblk0p3): ext4_find_entry:933: inode #2050: comm zygote: reading directory lblock 0
>  [  177.324870] EXT4-fs (mmcblk0p3): previous I/O error to superblock detected
>  [  177.331934] EXT4-fs error (device mmcblk0p3): ext4_find_entry:933: inode #2050: comm zygote: reading directory lblock 0
>  [  177.343298] EXT4-fs (mmcblk0p3): previous I/O error to superblock detected
>  [  177.355556] EXT4-fs error (device mmcblk0p3): ext4_find_entry:933: inode #2050: comm zygote: reading directory lblock 0
>  [  177.366964] EXT4-fs (mmcblk0p3): previous I/O error to superblock detected
>  [  177.374053] EXT4-fs error (device mmcblk0p3): ext4_find_entry:933: inode #2050: comm zygote: reading directory lblock 0
>  [  177.385485] EXT4-fs (mmcblk0p3): previous I/O error to superblock detected
>  [  177.392528] EXT4-fs error (device mmcblk0p3): ext4_find_entry:933: inode #2050: comm zygote: reading directory lblock 0
>  [  177.403929] EXT4-fs (mmcblk0p3): previous I/O error to superblock detected
>  [  177.411082] EXT4-fs error (device mmcblk0p3): ext4_find_entry:933: inode #2050: comm zygote: reading directory lblock 0
>  [  177.422376] EXT4-fs (mmcblk0p3): previous I/O error to superblock detected
>  [  177.429529] EXT4-fs error (device mmcblk0p3): ext4_find_entry:933: inode #2050: comm zygote: reading directory lblock 0
>  [  177.440797] EXT4-fs (mmcblk0p3): previous I/O error to superblock detected
>  [  177.447955] EXT4-fs error (device mmcblk0p3): ext4_find_entry:933: inode #2050: comm zygote: reading directory lblock 0
>  [  177.459471] EXT4-fs (mmcblk0p3): previous I/O error to superblock detected
>  [  177.467546] init: untracked pid 388 exited
>  [  177.472206] EXT4-fs error (device mmcblk0p3): ext4_find_entry:933: inode #2050: comm zygote: reading directory lblock 0
>  [  177.484451] EXT4-fs (mmcblk0p3): previous I/O error to superblock detected
>  [  177.492522] init: untracked pid 365 exited
>  [  177.497047] EXT4-fs error (device mmcblk0p3): ext4_find_entry:933: inode #2050: comm zygote: reading directory lblock 0
>  [  177.509340] init: untracked pid 401 exited
>  [  177.514516] init: untracked pid 379 exited
>  [  177.519303] EXT4-fs (mmcblk0p3): previous I/O error to superblock detected
>  [  177.527451] EXT4-fs error (device mmcblk0p3): ext4_find_entry:933: inode #2050: comm zygote: reading directory lblock 0
>  [  177.539842] EXT4-fs (mmcblk0p3): previous I/O error to superblock detected
>  [  177.547924] init: untracked pid 323 exited
>  [  177.552333] EXT4-fs error (device mmcblk0p3): ext4_find_entry:933: inode #2050: comm zygote: reading directory lblock 0
>  [  177.563612] EXT4-fs error (device mmcblk0p6): ext4_read_block_bitmap:350: comm Binder Thread #: Cannot read block bitmap - block_group = 4, block_bitmap = 264
>  [  177.577887] EXT4-fs error (device mmcblk0p6): ext4_discard_preallocations:3886: comm Binder Thread #: Error reading block bitmap for 4
>  [  177.724113] EXT4-fs (mmcblk0p3): previous I/O error to superblock detected
>  [  177.731328] EXT4-fs error (device mmcblk0p3): ext4_find_entry:933: inode #32808: comm zygote: reading directory lblock 0
>  [  177.759919] EXT4-fs (mmcblk0p3): previous I/O error to superblock detected
>  [  177.767103] EXT4-fs error (device mmcblk0p3): ext4_find_entry:933: inode #391: comm zygote: reading directory lblock 0
>  [  177.778225] EXT4-fs (mmcblk0p3): previous I/O error to superblock detected
>  [  177.785355] EXT4-fs error (device mmcblk0p3): ext4_find_entry:933: inode #391: comm zygote: reading directory lblock 0
>  [  177.851330] EXT4-fs (mmcblk0p3): previous I/O error to superblock detected
>  [  177.858496] EXT4-fs error (device mmcblk0p3): ext4_find_entry:933: inode #384: comm zygote: reading directory lblock 0
>  [  177.869632] EXT4-fs error (device mmcblk0p6): ext4_read_block_bitmap:350: comm Binder Thread #: Cannot read block bitmap - block_group = 4, block_bitmap = 264
>  [  177.883898] EXT4-fs error (device mmcblk0p6): ext4_discard_preallocations:3886: comm Binder Thread #: Error reading block bitmap for 4
>  [  177.941411] init: untracked pid 428 exited
>  [  177.965161] init: untracked pid 427 exited
>  [  178.205784] init: untracked pid 265 exited
>  [  178.215508] init: untracked pid 308 exited
>  [  178.230676] init: untracked pid 352 exited
>
>  # [  178.346060] init: untracked pid 204 exited
>  [  178.368847] init: untracked pid 221 exited
>
>  # [  181.065162] Aborting journal on device mmcblk0p6-8.
>  [  181.070152] JBD2: I/O error detected when updating journal superblock for mmcblk0p6-8.
>
>  #
>  # [  181.431737] init: untracked pid 436 exited
>  [  181.455044] init: untracked pid 437 exited
>  df
>  [  182.149133] EXT4-fs (mmcblk0p3): previous I/O error to superblock detected
>  [  182.156374] EXT4-fs error (device mmcblk0p3): ext4_find_entry:933: inode #2: comm sh: reading directory lblock 0
>  df: not found
>  # df
>  df: not found
>  # [  186.512211] init: untracked pid 446 exited
>  [  186.535121] init: untracked pid 445 exited
>  [  191.576442] init: untracked pid 456 exited
>  [  191.580610] init: untracked pid 457 exited
>  [  196.656287] init: untracked pid 465 exited
>  [  196.660503] init: untracked pid 466 exited
>
>  # [  201.728815] init: untracked pid 475 exited
>  [  201.755211] init: untracked pid 474 exited
>  [  206.793773] init: untracked pid 483 exited
>  [  206.815040] init: untracked pid 484 exited
>  [  211.850250] init: untracked pid 492 exited
>  [  211.854418] init: untracked pid 493 exited
>  [  216.920012] init: untracked pid 502 exited
>  [  216.945250] init: untracked pid 501 exited
>  [  222.006274] init: untracked pid 511 exited
>  [  222.025214] init: untracked pid 510 exited
>  [  226.090132] init: untracked pid 519 exited
>  [  226.094299] init: untracked pid 520 exited
>  [  231.159280] init: untracked pid 528 exited
>  [  231.163449] init: untracked pid 529 exited
>  [  236.227850] init: untracked pid 537 exited
>  [  236.232020] init: untracked pid 538 exited
>  [  241.307988] init: untracked pid 546 exited
>  [  241.312155] init: untracked pid 547 exited
>  [  246.382194] init: untracked pid 555 exited
>  [  246.405053] init: untracked pid 556 exited
>  [  251.446305] init: untracked pid 564 exited
>  [  251.450472] init: untracked pid 565 exited
>  [  256.512172] init: untracked pid 574 exited
>  [  256.535115] init: untracked pid 573 exited
>  [  261.588830] init: untracked pid 582 exited
>  [  261.593000] init: untracked pid 583 exited
>  [  266.651988] init: untracked pid 592 exited
>  [  266.675120] init: untracked pid 591 exited
>  [  271.719316] init: untracked pid 600 exited
>  [  271.723485] init: untracked pid 601 exited
>  [  276.783279] init: untracked pid 610 exited
>  [  276.805114] init: untracked pid 609 exited
>  [  281.845577] init: untracked pid 618 exited
>  [  281.849793] init: untracked pid 619 exited
>  [  286.889242] init: untracked pid 627 exited
>  [  286.893410] init: untracked pid 628 exited
>  [  291.970395] init: untracked pid 636 exited
>  [  291.974562] init: untracked pid 637 exited
>  [  296.040264] init: untracked pid 646 exited
>  [  296.065262] init: untracked pid 645 exited
>
> To manage notifications about this bug go to:
> https://bugs.launchpad.net/linaro-android/+bug/837830/+subscriptions



-- 
Richard Zhu
Best Regards