Hi All,
I was doing memory regression test for our customized TK1 board.
When DVFS regression was executed and lasted about 8 hours, system will print below messages.
dvfs logging end runtime: 8:00:00.091988
DVFS done for 8:00:00! Launching DFS task.
SD2 ON 1300.0mV
LDO0 ON 1000.0mV
SD1 ON 1250.0mV
SD1 ON 1230.0mV
SD1 ON 1210.0mV
SD1 ON 1190.0mV
SD1 ON 1170.0mV
SD1 ON 1150.0mV
SD1 ON 1130.0mV
SD1 ON 1110.0mV
SD1 ON 1090.0mV
SD1 ON 1070.0mV
SD1 ON 1050.0mV
SD1 ON 1030.0mV
SD1 ON 1010.0mV
SD1 ON 990.0mV
SD1 ON 980.0mV
SD1 ON 1250.0mV
SD1 ON 1230.0mV
SD1 ON 1210.0mV
SD1 ON 1190.0mV
SD1 ON 1170.0mV
....
....
SD1 ON 1050.0mV
SD1 ON 1030.0mV
SD1 ON 1010.0mV
SD1 ON 990.0mV
SD1 ON 970.0mV
SD1 ON 950.0mV
SD1 ON 930.0mV
[32823.268048] mmc0: Data CRC error, intmask: 200000
[32823.272764] sdhci: =========== REGISTER DUMP (mmc0)===========
[32823.278600] sdhci: Sys addr: 0x00000000 | Version: 0x00000303
[32823.284434] sdhci: Blk size: 0x00007200 | Blk cnt: 0x0000001e
[32823.290267] sdhci: Argument: 0x00c85188 | Trn mode: 0x00000023
[32823.296105] sdhci: Present: 0x01fb00f0 | Host ctl: 0x00000031
[32823.301941] sdhci: Power: 0x0000000b | Blk gap: 0x00000000
[32823.307777] sdhci: Wake-up: 0x00000000 | Clock: 0x00000007
[32823.313611] sdhci: Timeout: 0x0000000e | Int stat: 0x00000000
[32823.319444] sdhci: Int enab: 0x02ff000b | Sig enab: 0x02fc000b
[32823.325271] sdhci: AC12 err: 0x00000000 | Slot int: 0x00000000
[32823.331101] sdhci: Caps: 0x376fd080 | Caps_1: 0x10002f77
[32823.336928] sdhci: Cmd: 0x0000193a | Max curr: 0x00000000
[32823.342756] sdhci: Host ctl2: 0x0000308b
[32823.346677] sdhci: ADMA Err: 0x00000000 | ADMA Ptr: 0xae840010
[32823.352501] sdhci: ===========================================
[32823.359148] mmcblk0: error -84 transferring data, sector 13128072, nr 32, cmd response 0x900, card status 0xc00
[32823.369425] end_request: I/O error, dev mmcblk0, sector 13128072
[32823.375564] end_request: I/O error, dev mmcblk0, sector 13128080
[32823.381743] end_request: I/O error, dev mmcblk0, sector 13128088
[32823.387853] end_request: I/O error, dev mmcblk0, sector 13128096
[32823.394070] Aborting journal on device mmcblk0p1-8.
[32823.400436] journal commit I/O error
[32823.401122] EXT4-fs error (device mmcblk0p1): __ext4_journal_start_sb:62: Detected aborted journal
[32823.401132] EXT4-fs (mmcblk0p1): Remounting filesystem read-only
Traceback (most recent call last):
File "/home/memtest/temp_logger.py", line 16, in <module>
OSError: [Errno 5] Input/output error
SD1 ON 910.0mV
Traceback (most recent call last):
File "/usr/lib/python2.7/logging/__init__.py", line 875, in emit
self.flush()
File "/usr/lib/python2.7/logging/__init__.py", line 835, in flush
self.stream.flush()
IOError: [Errno 30] Read-only file system
Logged from file l4t_dfs_switch.py, line 225
SD1 ON 890.0mV
Traceback (most recent call last):
File "/usr/lib/python2.7/logging/__init__.py", line 875, in emit
self.flush()
File "/usr/lib/python2.7/logging/__init__.py", line 835, in flush
self.stream.flush()
IOError: [Errno 30] Read-only file system
Logged from file l4t_dfs_switch.py, line 225
SD1 ON 870.0mV
Traceback (most recent call last):
File "/usr/lib/python2.7/logging/__init__.py", line 875, in emit
self.flush()
File "/usr/lib/python2.7/logging/__init__.py", line 835, in flush
self.stream.flush()
IOError: [Errno 30] Read-only file system
Logged from file l4t_dfs_switch.py, line 225
SD1 ON 850.0mV
Traceback (most recent call last):
File "/home/memtest/run_nvmmt.py", line 12, in <module>
OSError: [Errno 30] Read-only file system
Traceback (most recent call last):
File "/usr/lib/python2.7/logging/__init__.py", line 875, in emit
self.flush()
File "/usr/lib/python2.7/logging/__init__.py", line 835, in flush
self.stream.flush()
IOError: [Errno 30] Read-only file system
Logged from file l4t_dfs_switch.py, line 225
Traceback (most recent call last):
File "/usr/lib/python2.7/logging/__init__.py", line 875, in emit
self.flush()
File "/usr/lib/python2.7/logging/__init__.py", line 835, in flush
self.stream.flush()
IOError: [Errno 30] Read-only file system
...
...
It seemed emmc became read-only because CRC error.
I have tried this on Jetson TK1 board and got the same issue.
Any idea?
Thanks.