On Thu, Jul 8, 2010 at 11:38 PM, hardik patel <hk5patel@xxxxxxxxx> wrote: > Hi Madhav, > > thanks for your interest... I have card detect register so mmc_get_cd > function i can check whether card is inserted or not ... so in sd host > controller driver can detect that properly... but i think block driver > does not detect that .... where i have to flush my request queue... i > have gone through block.c and queue.c file which generate mmc_block.ko > file but not sure where to modify... can any one guide me more Which Kernel version you are using?? > > > On Thu, Jul 8, 2010 at 6:35 PM, MADHAV SINGHCHAUHAN > <singh.madhav@xxxxxxxxxxx> wrote: >> 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 >> >> >> >> >> >> >> >> > > > > -- > Regards, > Hardik > > "If you are doing what you have always been doing then expect what you > have always been getting." > -- > 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
