14412 2021-05-29 22:28:00 +0000 ltp test hangs when mounting loopback 2021-06-28 09:41:33 +0000 1 1 10 QA/Testing Runtime Testing general unspecified x86 Multiple RESOLVED FIXED AB-INT AB-INT-TMPFS Medium+ normal 3.4 M2 1 alexandre.belloni bruce.ashfield randy.macleod richard.purdie --- --- No (bug/feature does not impact docs) oldest_to_newest 90532 0 alexandre.belloni 2021-05-29 22:28:00 +0000 https://autobuilder.yoctoproject.org/typhoon/#/builders/95/builds/1948/steps/12/logs/stdio Not apparent at all in the logs and probably the cause of some issues reported in bug 13802. When mounting on of the loopback devices, the kernel oopses: [ 2131.423042] BUG: kernel NULL pointer dereference, address: 0000000000000008 [ 2131.444555] ? show_vfsmnt+0x1b1/0x200 [ 2131.444943] m_show+0x1a/0x20 [ 2131.445274] seq_read_iter+0x2c8/0x490 [ 2131.445689] new_sync_read+0x10d/0x190 [ 2131.446078] vfs_read+0x128/0x180 [ 2131.446445] ksys_read+0x67/0xe0 [ 2131.446798] __x64_sys_read+0x19/0x20 [ 2131.447199] do_syscall_64+0x38/0x50 [ 2131.447596] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 2131.473108] BUG: kernel NULL pointer dereference, address: 0000000000000008 [ 2131.493140] Call Trace: [ 2131.493401] show_mountinfo+0x8b/0x330 [ 2131.493799] m_show+0x1a/0x20 [ 2131.494108] seq_read_iter+0x2c8/0x490 [ 2131.494494] new_sync_read+0x10d/0x190 [ 2131.494880] vfs_read+0x128/0x180 [ 2131.495228] ksys_read+0x67/0xe0 [ 2131.495562] __x64_sys_read+0x19/0x20 [ 2131.495941] do_syscall_64+0x38/0x50 [ 2131.496312] entry_SYSCALL_64_after_hwframe+0x44/0xa9 See https://lists.yoctoproject.org/g/swat/topic/further_ltp_hang_kernel/83025674 90560 1 randy.macleod 2021-06-03 14:39:24 +0000 Alex is going to add more info but it seems like a kernel bug. 90569 2 bruce.ashfield 2021-06-03 14:58:45 +0000 I'm unfortunately not going to be looking into this any time soon, so putting me in as the assignee, will mean it sits just as long. 90595 3 alexandre.belloni 2021-06-10 13:19:25 +0000 From RP: http://git.yoctoproject.org/cgit.cgi/poky-contrib/commit/?h=rpurdie/t222&id=d7d65aae104caa03afc28837b0abe0b486d5a8b8 IMAGE_INSTALL_append = ' ltp' TEST_SUITES = 'ping ssh ltp' then bitbake core-image-sato; bitbake core-image-sato -c testimage Look for BUG: in log in core-image-sato WORKDIR/testimage/qemu* 90772 4 richard.purdie 2021-06-28 09:41:33 +0000 http://git.yoctoproject.org/cgit.cgi/poky/commit/?id=529bb922c786f1acd041ff9a8d2b675d067e2ae3