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SubjectRE: [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

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