RE: [PATCH] scsi: megaraid_sas: fix kdump kernel boot hung caused by JBOD

From: Chandrakanth Patil
Date: Thu Jun 04 2020 - 07:09:52 EST


>Subject: RE: [PATCH] scsi: megaraid_sas: fix kdump kernel boot hung
caused by JBOD
>
>>Subject: Re: [PATCH] scsi: megaraid_sas: fix kdump kernel boot hung
>>caused by JBOD
>>
>>
>>> when kernel crash, and kexec into kdump kernel, megaraid_sas will
>>> hung and print follow error logs
>>>
>>> 24.1485901 sd 0:0:G:0: [sda 1 tag809 BRCfl Debug mfi stat 0x2(1, data
>>> len requested/conpleted 0X100 0/0x0)]
>>> 24.1867171 sd 0:0:G :9: [sda I tag861 BRCfl Debug mfft stat 0x2d,
>>> data len reques ted/conp1e Led 0X100 0/0x0]
>>> 24.2054191 sd 0:O:6:O: [sda 1 tag861 FAILED Result: hustbyte=DIDGK
>>> drioerbyte-DRIUCR SENSE]
>>> 24.2549711 bik_update_ request ! 1/0 error , dev sda, sector
>>> 937782912 op 0x0:(READ) flags 0x0 phys_seg 1 prio class
>>> 21.2752791 buffer_io_error 2 callbacks suppressed
>>> 21.2752731 Duffer IO error an dev sda, logical block 117212064, async
>>> page read
>>>
>>> this bug is caused by commit '59db5a931bbe73f ("scsi: megaraid_sas:
>>> Handle sequence JBOD map failure at driver level ")' and can be fixed
>>> by not set JOB when reset_devices on
>>
>>Broadcom: Please review.
>>
>>Thanks!
>>
>>--
>>Martin K. Petersen Oracle Linux Engineering
>
>We are working on it and will update you at the earliest.
>
>Thanks,
>Chandrakanth Patil

Hi Martin, Xiaoming Gao, Kai Liu,

It is a known firmware issue and has been fixed. Please update to the
latest firmware available in the Broadcom support website.
Please let me know if you need any further information.

Thanks,
Chandrakanth Patil