Re: [usb-storage] [RFC PATCH] usb: storage: uas: limit consecutive device resets in error handling

[Oliver Neukum]

On 02.07.26 04:25, Sergey Senozhatsky wrote:

> <4>[ 750.651133] rq: tag=0 hctx=0 op=WRITE sector=13860872 len=524288 age=76536 ms pid=11900 comm=image_burner state=D
> <4>[ 750.651205] rq: tag=1 hctx=0 op=WRITE sector=13865992 len=524288 age=76536 ms pid=11900 comm=image_burner state=D
> <4>[ 750.651263] rq: tag=2 hctx=0 op=WRITE sector=13863944 len=524288 age=76536 ms pid=11900 comm=image_burner state=D
> <4>[ 750.651320] rq: tag=3 hctx=0 op=WRITE sector=13862920 len=524288 age=76536 ms pid=11900 comm=image_burner state=D
> <4>[ 750.651379] rq: tag=4 hctx=0 op=WRITE sector=13861896 len=524288 age=76536 ms pid=11900 comm=image_burner state=D
> <4>[ 750.651437] rq: tag=5 hctx=0 op=WRITE sector=13864968 len=524288 age=76536 ms pid=11900 comm=image_burner state=D

[..]
> <4>[ 812.091136] rq: tag=0 hctx=0 op=WRITE sector=13863944 len=524288 age=137976 ms pid=11900 comm=image_burner state=D
> <4>[ 812.091194] rq: tag=1 hctx=0 op=WRITE sector=13862920 len=524288 age=137976 ms pid=11900 comm=image_burner state=D
> <4>[ 812.091242] rq: tag=2 hctx=0 op=WRITE sector=13861896 len=524288 age=137976 ms pid=11900 comm=image_burner state=D
> <4>[ 812.091289] rq: tag=3 hctx=0 op=WRITE sector=13860872 len=524288 age=137976 ms pid=11900 comm=image_burner state=D
> <4>[ 812.091335] rq: tag=4 hctx=0 op=WRITE sector=13865992 len=524288 age=137976 ms pid=11900 comm=image_burner state=D
> <4>[ 812.091381] rq: tag=5 hctx=0 op=WRITE sector=13864968 len=524288 age=137976 ms pid=11900 comm=image_burner state=D

This looks to me like the block layer keeps writing to the same sectors.
In other words the issue I see is with the block layer. Do you know what
triggers the error handler at the very first timeß

	Regards
		Oliver