[Bug 1192623] New: ltp_nfs FCNTL_LOCKTESTS test causes stack trace in dmesg
https://bugzilla.suse.com/show_bug.cgi?id=1192623 Bug ID: 1192623 Summary: ltp_nfs FCNTL_LOCKTESTS test causes stack trace in dmesg Classification: openSUSE Product: openSUSE Tumbleweed Version: Current Hardware: Other OS: Other Status: NEW Severity: Normal Priority: P5 - None Component: Kernel Assignee: kernel-bugs@opensuse.org Reporter: petr.vorel@suse.com QA Contact: qa-bugs@suse.de Found By: --- Blocker: --- Tumbleweed Build 20211110 kernel 5.14.14-2-default (2b5383f) (but it might have been failing in 5.13 and older kernels) https://openqa.opensuse.org/tests/2029105/file/serial0.txt Prints really long stack trace, which begins: [ 5211.445898][ C0] sysrq: Show State [ 5211.446508][ C0] task:systemd state:S stack: 0 pid: 1 ppid: 0 flags:0x00000000 [ 5211.447686][ C0] Call Trace: [ 5211.448216][ C0] __schedule+0x325/0x1530 [ 5211.448874][ C0] ? kmem_cache_alloc+0x151/0x480 [ 5211.449593][ C0] schedule+0x44/0xa0 [ 5211.450202][ C0] schedule_hrtimeout_range_clock+0x10b/0x120 [ 5211.451077][ C0] ? kfree+0xba/0x3c0 [ 5211.451934][ C0] ? sock_poll+0x4f/0xe0 [ 5211.452914][ C0] ? ep_done_scan+0xa7/0xf0 [ 5211.453723][ C0] do_epoll_wait+0x542/0x700 [ 5211.454594][ C0] ? wait_woken+0x70/0x70 [ 5211.455511][ C0] __x64_sys_epoll_wait+0x60/0x100 [ 5211.456475][ C0] ? syscall_exit_to_user_mode+0x18/0x40 [ 5211.457467][ C0] do_syscall_64+0x5c/0x80 [ 5211.458342][ C0] ? syscall_exit_to_user_mode+0x18/0x40 [ 5211.459302][ C0] ? do_syscall_64+0x69/0x80 [ 5211.460048][ C0] ? ksys_read+0x5f/0xe0 [ 5211.460755][ C0] ? syscall_exit_to_user_mode+0x18/0x40 [ 5211.461615][ C0] ? do_syscall_64+0x69/0x80 [ 5211.462361][ C0] ? syscall_exit_to_user_mode+0x18/0x40 [ 5211.463276][ C0] ? do_syscall_64+0x69/0x80 [ 5211.464043][ C0] ? exc_page_fault+0x68/0x130 [ 5211.464821][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 5211.465736][ C0] RIP: 0033:0x7fe070700c1e [ 5211.466480][ C0] RSP: 002b:00007ffc484b5ed0 EFLAGS: 00000293 ORIG_RAX: 00000000000000e8 [ 5211.467713][ C0] RAX: ffffffffffffffda RBX: 0000562627698e40 RCX: 00007fe070700c1e [ 5211.468853][ C0] RDX: 00000000000000ae RSI: 000056262788a3e0 RDI: 0000000000000004 [ 5211.469999][ C0] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000006 [ 5211.471147][ C0] R10: 00000000ffffffff R11: 0000000000000293 R12: 0000000000000352 [ 5211.472315][ C0] R13: 00000000000000ae R14: 0000000000000055 R15: 0000562627698fd0 [ 5211.473472][ C0] task:kthreadd state:S stack: 0 pid: 2 ppid: 0 flags:0x00004000 [ 5211.474773][ C0] Call Trace: [ 5211.475449][ C0] __schedule+0x325/0x1530 [ 5211.476249][ C0] ? kernel_thread+0x55/0x70 [ 5211.477068][ C0] schedule+0x44/0xa0 [ 5211.477836][ C0] kthreadd+0x2c0/0x2e0 [ 5211.478647][ C0] ? kthread_is_per_cpu+0x30/0x30 [ 5211.479670][ C0] ret_from_fork+0x22/0x30 [ 5211.480495][ C0] task:rcu_gp state:I stack: 0 pid: 3 ppid: 2 flags:0x00004000 -- You are receiving this mail because: You are on the CC list for the bug.
https://bugzilla.suse.com/show_bug.cgi?id=1192623 https://bugzilla.suse.com/show_bug.cgi?id=1192623#c1 --- Comment #1 from Petr Vorel <petr.vorel@suse.com> --- Created attachment 853713 --> https://bugzilla.suse.com/attachment.cgi?id=853713&action=edit dmesg (https://openqa.opensuse.org/tests/2029105/file/serial0.txt) -- You are receiving this mail because: You are on the CC list for the bug.
https://bugzilla.suse.com/show_bug.cgi?id=1192623 https://bugzilla.suse.com/show_bug.cgi?id=1192623#c2 --- Comment #2 from Petr Vorel <petr.vorel@suse.com> --- Created attachment 853714 --> https://bugzilla.suse.com/attachment.cgi?id=853714&action=edit https://openqa.opensuse.org/tests/2029105/file/serial_terminal.txt NOTE bug also contains error with make run from nfs05, which will be reported separately. -- You are receiving this mail because: You are on the CC list for the bug.
https://bugzilla.suse.com/show_bug.cgi?id=1192623 Petr Vorel <petr.vorel@suse.com> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |petr.vorel@suse.com -- You are receiving this mail because: You are on the CC list for the bug.
https://bugzilla.suse.com/show_bug.cgi?id=1192623 Petr Vorel <petr.vorel@suse.com> changed: What |Removed |Added ---------------------------------------------------------------------------- See Also| |https://bugzilla.suse.com/s | |how_bug.cgi?id=1192624 -- You are receiving this mail because: You are on the CC list for the bug.
https://bugzilla.suse.com/show_bug.cgi?id=1192623 https://bugzilla.suse.com/show_bug.cgi?id=1192623#c3 Jiri Slaby <jslaby@suse.com> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|NEW |RESOLVED CC| |jslaby@suse.com Resolution|--- |INVALID --- Comment #3 from Jiri Slaby <jslaby@suse.com> --- (In reply to Petr Vorel from comment #0)
Tumbleweed Build 20211110 kernel 5.14.14-2-default (2b5383f) (but it might have been failing in 5.13 and older kernels) https://openqa.opensuse.org/tests/2029105/file/serial0.txt Prints really long stack trace, which begins:
[ 5211.445898][ C0] sysrq: Show State [ 5211.446508][ C0] task:systemd state:S stack: 0 pid: 1 ppid: 0 flags:0x00000000
The dumps are reported because someone (the VM monitor, I suppose) pressed sysrq-t. The problem is in the test scripts. Either the test didn't finish or it finished and noone noticed. Anyway, does it still happen? If so, the tests need to be investigated, it's not a kernel fault. Note also: NFS: state manager: check lease failed on NFSv4 server 10.0.0.2 with error 13 This is permission denied. -- You are receiving this mail because: You are on the CC list for the bug.
https://bugzilla.suse.com/show_bug.cgi?id=1192623 https://bugzilla.suse.com/show_bug.cgi?id=1192623#c4 --- Comment #4 from Petr Vorel <petr.vorel@suse.com> --- Thanks for your input, Jiri. I don't see Call Trace any more. -- You are receiving this mail because: You are on the CC list for the bug.
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