** Description changed:
- With bug 1908499 present, sub test cases in kselftest/net/udpgro.sh is
failing with:
- ./udpgso_bench_rx: poll: 0x0 expected 0x1
+ [Impact]
+ Sub test cases in kselftest/net/udpgro.sh is failing with:
+ ./udpgso_bench_rx: poll: 0x0 expected 0x1
Complete test output of a sub test case:
- multiple GRO socks
+ multiple GRO socks
BTF debug data section '.BTF' rejected: Invalid argument (22)!
- - Length: 568
+ - Length: 568
Verifier analysis:
magic: 0xeb9f
version: 1
flags: 0x0
hdr_len: 24
type_off: 0
type_len: 256
str_off: 256
str_len: 288
btf_total_size: 568
[1] PTR (anon) type_id=2
[2] STRUCT xdp_md size=20 vlen=5
- data type_id=3 bits_offset=0
- data_end type_id=3 bits_offset=32
- data_meta type_id=3 bits_offset=64
- ingress_ifindex type_id=3 bits_offset=96
- rx_queue_index type_id=3 bits_offset=128
+ data type_id=3 bits_offset=0
+ data_end type_id=3 bits_offset=32
+ data_meta type_id=3 bits_offset=64
+ ingress_ifindex type_id=3 bits_offset=96
+ rx_queue_index type_id=3 bits_offset=128
[3] TYPEDEF __u32 type_id=4
[4] INT unsigned int size=4 bits_offset=0 nr_bits=32 encoding=(none)
[5] FUNC_PROTO (anon) return=6 args=(1 ctx)
[6] INT int size=4 bits_offset=0 nr_bits=32 encoding=SIGNED
[7] FUNC xdp_dummy_prog type_id=5
[8] INT char size=1 bits_offset=0 nr_bits=8 encoding=SIGNED
[9] ARRAY (anon) type_id=8 index_type_id=10 nr_elems=4
[10] INT __ARRAY_SIZE_TYPE__ size=4 bits_offset=0 nr_bits=32 encoding=(none)
[11] VAR _license type_id=9 linkage=1
[12] DATASEC license size=0 vlen=1 size == 0
./udpgso_bench_rx: poll: 0x0 expected 0x1
./udpgso_bench_rx: poll: 0x0 expected 0x1
failed
+
+ It's a bit hard to spot this as the udpgro.sh will return 0 even with
+ these failures present (bug 1908499)
+
+ [Fix]
+ * 38bf8cd821be29 ("selftests: fix poll error in udpgro.sh")
+
+ We have this test case since Focal
+ This patch can be cherry-picked into all the affected releases.
+
+
+ [Test Case]
+ Run the kselftest/net/udpgro.sh as root.
+
+ It will no longer complaining about this error message anymore:
+ ./udpgso_bench_rx: poll: 0x0 expected 0x1
+
+ multiple GRO socks
+ BTF debug data section '.BTF' rejected: Invalid argument (22)!
+ - Length: 568
+ Verifier analysis:
+
+ magic: 0xeb9f
+ version: 1
+ flags: 0x0
+ hdr_len: 24
+ type_off: 0
+ type_len: 256
+ str_off: 256
+ str_len: 288
+ btf_total_size: 568
+ [1] PTR (anon) type_id=2
+ [2] STRUCT xdp_md size=20 vlen=5
+ data type_id=3 bits_offset=0
+ data_end type_id=3 bits_offset=32
+ data_meta type_id=3 bits_offset=64
+ ingress_ifindex type_id=3 bits_offset=96
+ rx_queue_index type_id=3 bits_offset=128
+ [3] TYPEDEF __u32 type_id=4
+ [4] INT unsigned int size=4 bits_offset=0 nr_bits=32 encoding=(none)
+ [5] FUNC_PROTO (anon) return=6 args=(1 ctx)
+ [6] INT int size=4 bits_offset=0 nr_bits=32 encoding=SIGNED
+ [7] FUNC xdp_dummy_prog type_id=5
+ [8] INT char size=1 bits_offset=0 nr_bits=8 encoding=SIGNED
+ [9] ARRAY (anon) type_id=8 index_type_id=10 nr_elems=4
+ [10] INT __ARRAY_SIZE_TYPE__ size=4 bits_offset=0 nr_bits=32 encoding=(none)
+ [11] VAR _license type_id=9 linkage=1
+ [12] DATASEC license size=0 vlen=1 size == 0
+
+ ok
+
+ [Where problems could occur]
+ This is only fixing issue to testing tools,
--
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https://bugs.launchpad.net/bugs/1908501
Title:
Sub-tests in kselftest/net/udpgro.sh is failing with
"./udpgso_bench_rx: poll: 0x0 expected 0x1"
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