** Also affects: linux-bluefield (Ubuntu Jammy)
Importance: Undecided
Status: New
** Changed in: linux-bluefield (Ubuntu)
Status: New => Invalid
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https://bugs.launchpad.net/bugs/2039325
Title:
mmc: sdhci-of-dwcmshc: Intermittent data error under stress test
Status in linux-bluefield package in Ubuntu:
Invalid
Status in linux-bluefield source package in Jammy:
New
Bug description:
sdhci-dwcmshc MLNXBF30:00: __mmc_blk_ioctl_cmd: data error -110
SRU Justification:
[Impact]
This change is needed to avoid intermittent "sdhci-dwcmshc MLNXBF30:00:
__mmc_blk_ioctl_cmd: data error -110" error under stress test
[Fix]
The fix added a quirk for the BF3 sdhci driver to avoid such data error.
[Test Case]
1. Same functionality and testing as on BlueField-1/2.
2. Install OS on NVME, and run the FIO test on EMMC.
fio --name=mmcblk0_randrw_stress_round_1 \
--ioengine=libaio --direct=1 --time_based=1 \
--end_fsync=1 --ramp_time=5 --norandommap=1 \
--randrepeat=0 --group_reporting=1 --numjobs=8 \
--iodepth=128 --rw=randrw --overwrite=1 \
--runtime=3600 --bs=4K --filename=/dev/mmcblk0 &
[Regression Potential]
Same behavior from user perspective.
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