Hi, I am working on android ICS. I got an EXT4-fs error saying lblock 0 mapped to illegal pblock (length 1) and then kernel panic. Below are the result of cat /proc/mounts rootfs / rootfs ro,relatime 0 0 tmpfs /dev tmpfs rw,nosuid,relatime,mode=755 0 0 devpts /dev/pts devpts rw,relatime,mode=600 0 0 proc /proc proc rw,relatime 0 0 sysfs /sys sysfs rw,relatime 0 0 none /acct cgroup rw,relatime,cpuacct 0 0 tmpfs /mnt/asec tmpfs rw,relatime,mode=755,gid=1000 0 0 tmpfs /mnt/obb tmpfs rw,relatime,mode=755,gid=1000 0 0 none /dev/cpuctl cgroup rw,relatime,cpu 0 0 /dev/block/mmcblk0p14 /system ext4 ro,relatime,user_xattr,barrier=1,data=ordered 0 0 /dev/block/mmcblk0p15 /data ext4 rw,nosuid,nodev,noatime,user_xattr,barrier=1,jo urnal_async_commit,data=ordered,noauto_da_alloc 0 0 /dev/block/mmcblk0p16 /persist ext4 rw,nosuid,nodev,relatime,user_xattr,barrier= 1,data=ordered 0 0 ******************************* /dev/block/mmcblk0p17 /cache ext4 rw,nosuid,nodev,relatime,user_xattr,barrier=1, data=ordered 0 0 **************************************** /dev/block/mmcblk0p11 /efs ext4 rw,nosuid,nodev,relatime,user_xattr,barrier=1,da ta=ordered 0 0 /dev/block/mmcblk0p16 /tombstones ext4 rw,nosuid,nodev,relatime,user_xattr,barri er=1,data=ordered 0 0 /dev/block/mmcblk0p1 /firmware vfat ro,relatime,fmask=0006,dmask=0006,allow_utim e=0020,codepage=cp437,iocharset=iso8859-1,shortname=lower,errors=remount-ro 0 0 /dev/fuse /mnt/sdcard fuse rw,nosuid,nodev,relatime,user_id=1023,group_id=1023,d efault_permissions,allow_other 0 0 Below are the error logs, <2>[ 4236.400030] [0: Thread-980:11795] EXT4-fs error (device mmcblk0p17): ext4_map_blocks:1304: inode #2: block 3900: comm Thread-980: lblock 0 mapped to illegal pblock (length 1) <3>[ 4236.400121] [0: Thread-980:11795] Aborting journal on device mmcblk0p17-8. <0>[ 4236.401250] [0: Thread-980:11795] Kernel panic - not syncing: EXT4-fs (device mmcblk0p17): panic forced after error <0>[ 4236.401311] [0: Thread-980:11795] <4>[ 4236.401372] [0: Thread-980:11795] [<c010c6c0>] (unwind_backtrace+0x0/0x12c) from [<c07d941c>] (panic+0xa4/0x1e8) <4>[ 4236.401464] [0: Thread-980:11795] [<c07d941c>] (panic+0xa4/0x1e8) from [<c02a7f3c>] (ext4_handle_error+0x8c/0x98) <4>[ 4236.401525] [0: Thread-980:11795] [<c02a7f3c>] (ext4_handle_error+0x8c/0x98) from [<c02a8268>] (ext4_error_inode+0xb8/0xcc) <4>[ 4236.401617] [0: Thread-980:11795] [<c02a8268>] (ext4_error_inode+0xb8/0xcc) from [<c028fdec>] (__check_block_validity.clone.0+0x68/0x7c) <4>[ 4236.401708] [0: Thread-980:11795] [<c028fdec>] (__check_block_validity.clone.0+0x68/0x7c) from [<c028fe90>] (ext4_map_blocks+0x90/0x1b8) <4>[ 4236.401769] [0: Thread-980:11795] [<c028fe90>] (ext4_map_blocks+0x90/0x1b8) from [<c0288054>] (ext4_readdir+0x2b4/0x660) <4>[ 4236.401861] [0: Thread-980:11795] [<c0288054>] (ext4_readdir+0x2b4/0x660) from [<c0229540>] (vfs_readdir+0x6c/0xa0) <4>[ 4236.401922] [0: Thread-980:11795] [<c0229540>] (vfs_readdir+0x6c/0xa0) from [<c02295d8>] (sys_getdents64+0x64/0xb4) <4>[ 4236.402013] [0: Thread-980:11795] [<c02295d8>] (sys_getdents64+0x64/0xb4) from [<c0105ea0>] (ret_fast_syscall+0x0/0x30) If anyone know about this error, please reply back. Regards, Manikanta -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
