The second run of blktests loop/011 failed

[yizhanglinux]

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#!/bin/bash
num=0
while [ $num -lt 10 ]; do
echo "=========================$num"
./check loop/011
[ $? -ne 0 ] && exit 1
((num++))
done

=========================0
loop/011 (Make sure unsupported backing file fallocate does not fill dmesg with errors) [passed]
runtime 0.022s ... 0.022s
=========================1
loop/011 (Make sure unsupported backing file fallocate does not fill dmesg with errors) [failed]
runtime 0.022s ... 0.022s
--- tests/loop/011.out 2026-03-18 09:38:14.728548377 -0400
+++ /root/blktests/results/nodev/loop/011.out.bad 2026-03-18 09:51:47.291674773 -0400
@@ -1,3 +1,3 @@
Running loop/011
-Found 1 error(s) in dmesg
+Found 2 error(s) in dmesg
Test complete

dmesg
[111830.611403] run blktests loop/011 at 2026-03-18 10:34:37
[111830.625292] loop0: detected capacity change from 0 to 204800
[111830.627555] operation not supported error, dev loop0, sector 204672 op 0x9:(WRITE_ZEROES) flags 0x10000800 phys_seg 0 prio class 0
[111830.678775] run blktests loop/011 at 2026-03-18 10:34:37
[111830.692098] loop0: detected capacity change from 0 to 204800
[111830.694444] operation not supported error, dev loop0, sector 204672 op 0x9:(WRITE_ZEROES) flags 0x10000800 phys_seg 0 prio class 0

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