Commit e3d3683d authored by Michael Holzheu's avatar Michael Holzheu Committed by Martin Schwidefsky
Browse files

[S390] kernel: Fix dump on panic for DASDs under LPAR.

Currently the ccw method is used to ipl the DASD dump record under LPAR.
This mechanism is not reliable, which can cause dump failures. This fix
now uses the diag 308 ipl method for all machines, which have diag308
subcode 5 and 4 support.
Signed-off-by: default avatarMichael Holzheu <>
Signed-off-by: default avatarMartin Schwidefsky <>
parent 7f021ce1
......@@ -648,6 +648,8 @@ static int dump_set_type(enum dump_type type)
dump_method = DUMP_METHOD_CCW_VM;
else if (diag308_set_works)
dump_method = DUMP_METHOD_CCW_DIAG;
dump_method = DUMP_METHOD_CCW_CIO;
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