Card removal not detected by driver? You should see a line of log if card removal is detected: card xxxx removed Would you describe how do you detect card removal/insertion on your board? Regards, -Ethan On Thu, Jul 8, 2010 at 6:05 PM, hardik patel <hk5patel@xxxxxxxxx> wrote: > I have sd card on board ... During recording/writing SD card, remove > SD card ... then i am getting endless error in dmesg as below : > > end_request: I/O error, dev mmcblk0, sector 24 > FAT: FAT read failed (blocknr 8) > mmcblk0: error -110 sending status comand<3>mmcblk0: error -110 > sending read/write command, response 0x0, card status 0x0 > Block mmc_blk_issue_rq function call 346 > end_request: I/O error, dev mmcblk0, sector 4 > FAT: FAT read failed (blocknr 4) > MMC: killing requests for dead queue > end_request: I/O error, dev mmcblk0, sector 8 > FAT: FAT read failed (blocknr 8) > FAT: FAT read failed (blocknr 4) > FAT: FAT read failed (blocknr 8) > FAT: FAT read failed (blocknr 4) > FAT: FAT read failed (blocknr 8) > FAT: FAT read failed (blocknr 4) > FAT: FAT read failed (blocknr 8) > > How to stop this message ... what is ideal situation when we remove > card while writing ...... can u help me what to do ? > >>When we insert the card hot plug dameon start sending the request to block layer and kernel block layer >>start sending the request to card.But when you remove the card in between request queue is not flushed properly.. >>so you need to flush your request queue at appropriate time.Also please note that even that you flush your request queue >>at appropriate time some messages will come. > where is the problem here? sd host controler driver problem or block > driver problem or file system problem > > Note: I have formatted sd card with FAT32 file system . > > > > With EXT3 File system : > > Remove SD card while writing/recording we got error messages like > below. but this is not endless. After some time it stops. > > ============================== > ============= > end_request: I/O error, dev mmcblk0, sector 156536 > mmcblk0: error -110 sending status comand<3>mmcblk0: error -110 > sending read/write command, response 0x0, card status 0x0 > mmcblk0: error -110 requesting status > end_request: I/O error, dev mmcblk0, sector 4736 > Aborting journal on device mmcblk0p1. > ext3_abort called. > EXT3-fs error (device mmcblk0p1): ext3_journal_start_sb: Detected > aborted journal > Remounting filesystem read-only > end_request: I/O error, dev mmcblk0, sector 4448 > journal commit I/O error > =========================================== > -- > To unsubscribe from this list: send the line "unsubscribe linux-mmc" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at ?http://vger.kernel.org/majordomo-info.html > -- To unsubscribe from this list: send the line "unsubscribe linux-mmc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html ÿôèº{.nÇ+‰·Ÿ®‰†+%ŠËÿ±éݶ¥Šwÿº{.nÇ+‰·¥Š{±þiœþ)í…æèw* jg¬±¨ ¶‰šŽŠÝ¢jÿ¾«þG«?éÿ¢¸ ¢·¦j:+v‰¨ŠwèjØm¶Ÿÿþø ¯ù ®w¥þŠàþf£¢·hš?â?úÿ†Ù¥
