From: "dsmith at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: systemtap@sourceware.org
Subject: [Bug runtime/21859] New: on rawhide, the context.exp test case causes a kernel warning
Date: Fri, 28 Jul 2017 15:31:00 -0000 [thread overview]
Message-ID: <bug-21859-6586@http.sourceware.org/bugzilla/> (raw)
https://sourceware.org/bugzilla/show_bug.cgi?id=21859
Bug ID: 21859
Summary: on rawhide, the context.exp test case causes a kernel
warning
Product: systemtap
Version: unspecified
Status: NEW
Severity: normal
Priority: P2
Component: runtime
Assignee: systemtap at sourceware dot org
Reporter: dsmith at redhat dot com
Target Milestone: ---
When the context.exp test case is run on rawhide
(4.13.0-0.rc1.git4.1.fc27.x86_64), I see the following on the console:
====
[ 1929.955050] ------------[ cut here ]------------
[ 1929.955541] WARNING: CPU: 0 PID: 4126 at kernel/module.c:262
module_assert_mutex+0x2a/0x30
[ 1929.956328] Modules linked in:
stap_318998d2b19fff82d6470ed9e62f751a_4126(OE) systemtap_test_module1(OE)
systemtap_test_module2(OE) sunrpc crct10dif_pclmul crc32_pclmul ppdev
ghash_clmulni_intel joydev parport_pc virtio_net virtio_balloon parport
i2c_piix4 pvpanic xfs libcrc32c virtio_console virtio_blk crc32c_intel
serio_raw virtio_pci virtio_ring virtio ata_generic pata_acpi
[ 1929.959398] CPU: 0 PID: 4126 Comm: stapio Tainted: G OE
4.13.0-0.rc1.git4.1.fc27.x86_64 #1
[ 1929.960284] Hardware name: Red Hat KVM, BIOS 0.5.1 01/01/2011
[ 1929.960811] task: ffff8c8d15c13300 task.stack: ffffa74501bac000
[ 1929.961367] RIP: 0010:module_assert_mutex+0x2a/0x30
[ 1929.961819] RSP: 0018:ffffa74501bafc88 EFLAGS: 00010246
[ 1929.962294] RAX: 0000000000000000 RBX: 000000000001777c RCX:
0000000000000000
[ 1929.962934] RDX: 0000000000000000 RSI: ffffffff8cfbb8d0 RDI:
0000000000000246
[ 1929.963563] RBP: ffffa74501bafc88 R08: 0000000000000075 R09:
ffffffffc0597618
[ 1929.964206] R10: ffffffff8cc882a0 R11: ffffffff8cc88640 R12:
ffffa74501bafda8
[ 1929.964865] R13: ffffffffc038c9a0 R14: ffffa74501bafda8 R15:
ffffffff8cb0cc20
[ 1929.965500] FS: 00007f9b2ba92740(0000) GS:ffff8c8d3fc00000(0000)
knlGS:0000000000000000
[ 1929.966220] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1929.966727] CR2: 00007f9b2a011fb8 CR3: 0000000036885000 CR4:
00000000001406f0
[ 1929.967401] Call Trace:
[ 1929.967646] module_kallsyms_on_each_symbol+0x1d/0xa0
[ 1929.968137] ? __stp_relay_wakeup_timer+0x90/0x90
[stap_318998d2b19fff82d6470ed9e62f751a_4126]
[ 1929.968966] kallsyms_on_each_symbol+0xb9/0xc0
[ 1929.969382] ? rcu_read_lock_sched_held+0x79/0x80
[ 1929.969833] _stp_ctl_write_cmd+0xb03/0xf10
[stap_318998d2b19fff82d6470ed9e62f751a_4126]
[ 1929.970616] ? full_proxy_write+0x5/0xb0
[ 1929.971014] full_proxy_write+0x78/0xb0
[ 1929.971383] __vfs_write+0x37/0x170
[ 1929.971733] ? rcu_read_lock_sched_held+0x79/0x80
[ 1929.972190] ? rcu_sync_lockdep_assert+0x2c/0x60
[ 1929.972632] ? __sb_start_write+0x135/0x190
[ 1929.973048] ? vfs_write+0x193/0x1c0
[ 1929.973401] vfs_write+0xc6/0x1c0
[ 1929.973738] SyS_write+0x58/0xc0
[ 1929.974058] entry_SYSCALL_64_fastpath+0x1f/0xbe
[ 1929.974484] RIP: 0033:0x7f9b2b67420b
[ 1929.974815] RSP: 002b:00007fff0111f4d0 EFLAGS: 00000293 ORIG_RAX:
0000000000000001
[ 1929.975513] RAX: ffffffffffffffda RBX: 00007f9b2a012700 RCX:
00007f9b2b67420b
[ 1929.976174] RDX: 000000000000000c RSI: 00007fff0111f500 RDI:
0000000000000004
[ 1929.976814] RBP: 00007fff0111e7c0 R08: 0000000000000000 R09:
00007f9b2a012700
[ 1929.977502] R10: 00007f9b2a0129d0 R11: 0000000000000293 R12:
00007f9b2a011fc0
[ 1929.978198] R13: 00007fff0111e750 R14: 0000000000000000 R15:
0000000000000000
[ 1929.978877] Code: 00 0f 1f 44 00 00 8b 05 dd 89 ef 00 85 c0 75 02 f3 c3 55
be ff ff ff ff 48 c7 c7 d0 b8 fb 8c 48 89 e5 e8 ba 08 fb ff 85 c0 75 02 <0f> ff
5d c3 66 90 0f 1f 44 00 00 55 48 89 e5 53 48 89 fb e8 be
[ 1929.980757] ---[ end trace 28fada5a9c0b7269 ]---
====
Note that this happens with the pre-bpf code also.
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next reply other threads:[~2017-07-28 15:31 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-07-28 15:31 dsmith at redhat dot com [this message]
2017-07-28 15:45 ` [Bug runtime/21859] " dsmith at redhat dot com
2017-07-28 16:19 ` dsmith at redhat dot com
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