SSD on Thinkpad x250 sometimes double-detected

Sepherosa Ziehau sepherosa at gmail.com
Mon Mar 19 18:42:13 PDT 2018


On Mon, Mar 19, 2018 at 10:55 PM, Daniel Bilik <ddb at neosystem.org> wrote:
> Hi.
>
> When DragonFly boots on my Lenovo Thinkpad x250, it sometimes get stuck at
> this state:
>
> CAM: Configuring 1 busses
> CAM: finished configuring all busses
> da0 at ahci0 bus 0 target 0 lun 0
> da0: <SATA SanDisk SD7TB6S2 X355> Fixed Direct Access SCSI-4 device
> da0: Serial Number 162557400211
> da0: 600.000MB/s transfers
> da0: 244198MB (500118192 512 byte sectors: 255H 63S/T 31130C)
> da0: supports TRIM
> da0 at ahci0 bus 0 target 0 lun 0
> da0: <SATA SanDisk SD7TB6S2 X355> Fixed Direct Access SCSI-4 device
> da0: Serial Number 162557400211
> da0: 600.000MB/s transfers
> da0: 0MB (2147991274479682049 0 byte sectors: 0H 0S/T 0C)
> da0: supports TRIM
> Device Mapper version 4.16.0 loaded
> dm_target_crypt: Successfully initialized
> dm_target_error: Successfully initialized
> dm_target_zero: Successfully initialized
>
> For some reason, the kernel detects the same SSD disk twice, first with
> correct parameters, next erroneously. There is no notable delay between
> the first and second detection. As a result, the kernel fails to find
> rootfs and get stuck. I have to turn the laptop on-off, sometimes twice,
> to get the system boot "normally" with correctly detected disk. It does
> not happen often but it's bothersome.
>
> Has anybody experienced something like this? Is there a way the issue can
> be analyzed in depth when it happens?

I think it has been fixed on master.

Thanks,
sephe


-- 
Tomorrow Will Never Die



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