Hello Arvind, My question is, which tool are you running? This doesn't look like flashrom. We don't have `flash_erase` command, and no `mtd_erase_multi` function. And I don't recognise the printed messages.
On Thu, Dec 12, 2024 at 9:01 PM Arvind GP via flashrom < flashrom@flashrom.org> wrote: > Hi All, > We are trying to implement the flashrom tool utility on the x86 *Elkhart > Lake*(LEC-EL) platform. In this case, we are facing an issue when trying > to erase the BIOS device MTD0. There are 4096 erase blocks available in the > mtd0 device, but only 1791 erase blocks we can erase; the remaining blocks > are throwing errors, and it shows MEMERASE64 IOCTL FAILED. Please see the > below error message and MTD0 device info for your reference. > NOTE: Sometimes it works; we can erase the MTD0 device without any error, > and we can upgrade/downgrade the BIOS. > *ERROR MESSAGAE:* > #sudo flash_erase /dev/mtd0 0 0 > Erasing 16384 Kibyte @ 0 -- 0 % complete libmtd: error!: MEMERASE64 ioctl > failed for eraseblock 0 (mtd0) > error 524 (Unknown error 524) > flash_erase: error!: Entering into mtd_erase_multi > flash_erase: error!: /dev/mtd0: MTD Erase entire chip failureTrying one by > one each sector. > error 524 (Unknown error 524) > Erasing 4 Kibyte @ 700000 -- 43 % complete libmtd: error!: MEMERASE64 > ioctl failed for eraseblock 1792 (mtd0) > error 5 (Input/output error) > flash_erase: error!: /dev/mtd0: MTD Erase failure > error 5 (Input/output error) > Erasing 4 Kibyte @ 700000 -- 43 % complete cnt 4096 > > *MTD0 INFO:(sudo mtdinfo /dev/mtd0)* > Name: > BIOS > Туре: > nor > Eraseblock size: > 4096 bytes, 4.0 KiB > Amount of eraseblocks: > 4096 (16777216 bytes, 16.0 MB) > Minimum input/output unit size: > 1 byte > Sub-page size: > 1 byte > Character device major/minor: > 90:0 > Bad blocks are allowed: > false > Device is writable: > true > Please share your inputs on this. > Thanks & Regards, > Arvind G P. > > _______________________________________________ > flashrom mailing list -- flashrom@flashrom.org > To unsubscribe send an email to flashrom-le...@flashrom.org > -- Anastasia.
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