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Linux 5.10.y commit 4b21d4e820bb causes a backtrace to be printed on
boot:
[ 3.244915] ------------[ cut here ]------------
[ 3.249608] WARNING: CPU: 0 PID: 1 at block/blk-mq.c:3045 blk_mq_release+0x78/0xe8
[ 3.257337] Modules linked in:
[ 3.260422] CPU: 0 PID: 1 Comm: swapper Not tainted 5.10.65-sc1 #1
[ 3.266670] Hardware name: Generic AM33XX (Flattened Device Tree)
[ 3.272822] [<c010e880>] (unwind_backtrace) from [<c010b2bc>] (show_stack+0x10/0x14)
[ 3.280681] [<c010b2bc>] (show_stack) from [<c0129160>] (__warn+0xec/0x104)
[ 3.287740] [<c0129160>] (__warn) from [<c0b16b34>] (warn_slowpath_fmt+0x64/0xc8)
[ 3.295302] [<c0b16b34>] (warn_slowpath_fmt) from [<c04ef948>] (blk_mq_release+0x78/0xe8)
[ 3.303580] [<c04ef948>] (blk_mq_release) from [<c04e20f4>] (blk_release_queue+0xb0/0x120)
[ 3.311889] [<c04e20f4>] (blk_release_queue) from [<c0573b84>] (kobject_put+0x90/0xfc)
[ 3.319900] [<c0573b84>] (kobject_put) from [<c04f4eb8>] (disk_release+0xa0/0xd8)
[ 3.327441] [<c04f4eb8>] (disk_release) from [<c06f8c30>] (device_release+0x30/0xa0)
[ 3.335232] [<c06f8c30>] (device_release) from [<c0573b84>] (kobject_put+0x90/0xfc)
[ 3.342929] [<c0573b84>] (kobject_put) from [<c072c474>] (nbd_dev_add+0x20c/0x260)
[ 3.350551] [<c072c474>] (nbd_dev_add) from [<c112aa0c>] (nbd_init+0xfc/0x11c)
[ 3.357824] [<c112aa0c>] (nbd_init) from [<c0101ef0>] (do_one_initcall+0x44/0x26c)
[ 3.365445] [<c0101ef0>] (do_one_initcall) from [<c11010b8>] (kernel_init_freeable+0x1c4/0x224)
[ 3.374196] [<c11010b8>] (kernel_init_freeable) from [<c0b23ad0>] (kernel_init+0x8/0x120)
[ 3.382411] [<c0b23ad0>] (kernel_init) from [<c0100148>] (ret_from_fork+0x14/0x2c)
[ 3.390023] Exception stack(0xc18dffb0 to 0xc18dfff8)
[ 3.395106] ffa0: 00000000 00000000 00000000 00000000
[ 3.403329] ffc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
[ 3.411542] ffe0: 00000000 00000000 00000000 00000000 00000013 00000000
[ 3.418203] ---[ end trace de955d2022fa8082 ]---
This commit was reverted in Linux 5.10.66 but the Sancloud kernel tree
is based on Linux 5.10.65. For now we can simply carry the patch to
revert this change in meta-agl-bsp.
Bug-AGL: SPEC-4156
Signed-off-by: Paul Barker <paul.barker@sancloud.com>
Change-Id: I448037f3273c6ee249facb14c42fe93fbfd0c27b
Reviewed-on: https://gerrit.automotivelinux.org/gerrit/c/AGL/meta-agl/+/27120
Tested-by: Jenkins Job builder account
ci-image-build: Jenkins Job builder account
ci-image-boot-test: Jenkins Job builder account
Reviewed-by: Jan-Simon Moeller <jsmoeller@linuxfoundation.org>
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Paul Barker
Paul Barker