* [Bug runtime/21917] New: on rawhide, we're getting a fault in the panic handler
@ 2017-08-07 20:56 dsmith at redhat dot com
2017-08-07 20:58 ` [Bug runtime/21917] " dsmith at redhat dot com
0 siblings, 1 reply; 2+ messages in thread
From: dsmith at redhat dot com @ 2017-08-07 20:56 UTC (permalink / raw)
To: systemtap
https://sourceware.org/bugzilla/show_bug.cgi?id=21917
Bug ID: 21917
Summary: on rawhide, we're getting a fault in the panic handler
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: ---
On rawhide (4.13.0-0.rc3.git4.1.fc27.ppc64le), we're getting a fault in our
panic handler (_stp_module_panic_notifier) when running
testsuite/systemtap.base/bz1126645.exp. (For now I'm ignoring the original
panic itself, and just focusing on the fault in the panic handler.)
====
[ 3107.139454] Kernel panic - not syncing: Fatal exception in interrupt
[ 3107.139579] stap_73a4152cab7f1d6f69bf776fe9b0cf8_64425 trace buffer for
processor 0 sub-buffer 0:
[ 3107.139591] return
[ 3107.139600] stap_73a4152cab7f1d6f69bf776fe9b0cf8_64425 trace buffer for
processor 1 sub-buffer 0:
[ 3107.139610] return
[ 3107.139617] stap_73a4152cab7f1d6f69bf776fe9b0cf8_64425 trace buffer for
processor 2 sub-buffer 0:
[ 3107.139626] return
[ 3107.139633] stap_73a4152cab7f1d6f69bf776fe9b0cf8_64425 trace buffer for
processor 3 sub-buffer 0:
[ 3107.139642] return
[ 3107.139649] stap_73a4152cab7f1d6f69bf776fe9b0cf8_64425 trace buffer for
processor 4 sub-buffer 0:
[ 3107.139659] return
[ 3107.139666] stap_73a4152cab7f1d6f69bf776fe9b0cf8_64425 trace buffer for
processor 5 sub-buffer 0:
[ 3107.139675] return
[ 3107.139682] stap_73a4152cab7f1d6f69bf776fe9b0cf8_64425 trace buffer for
processor 6 sub-buffer 0:
[ 3107.139691] return
[ 3107.139698] stap_73a4152cab7f1d6f69bf776fe9b0cf8_64425 trace buffer for
processor 7 sub-buffer 0:
[ 3107.139707] return
[ 3107.139714] stap_73a4152cab7f1d6f69bf776fe9b0cf8_64425 trace buffer for
processor 8 sub-buffer 0:
[ 3107.139724] return
[ 3107.139731] stap_73a4152cab7f1d6f69bf776fe9b0cf8_64425 trace buffer for
processor 9 sub-buffer 0:
[ 3107.139740] return
[ 3107.139747] stap_73a4152cab7f1d6f69bf776fe9b0cf8_64425 trace buffer for
processor 10 sub-buffer 0:
[ 3107.139756] return
[ 3107.139763] stap_73a4152cab7f1d6f69bf776fe9b0cf8_64425 trace buffer for
processor 11 sub-buffer 0:
[ 3107.139773] return
[ 3107.139779] stap_73a4152cab7f1d6f69bf776fe9b0cf8_64425 trace buffer for
processor 12 sub-buffer 0:
[ 3107.139789] return
[ 3107.139796] stap_73a4152cab7f1d6f69bf776fe9b0cf8_64425 trace buffer for
processor 13 sub-buffer 0:
[ 3107.139805] return
[ 3107.139812] stap_73a4152cab7f1d6f69bf776fe9b0cf8_64425 trace buffer for
processor 14 sub-buffer 0:
[ 3107.139821] return
[ 3107.139828] stap_73a4152cab7f1d6f69bf776fe9b0cf8_64425 trace buffer for
processor 15 sub-buffer 0:
[ 3107.139838] return
[ 3107.139855] Unable to handle kernel paging request for data at address
0x00000028
[ 3107.139864] Faulting instruction address: 0xd00000000f0f1a50
[ 3107.139874] Oops: Kernel access of bad area, sig: 11 [#2]
[ 3107.139881] SMP NR_CPUS=1024
[ 3107.139884] NUMA
[ 3107.139891] pSeries
[ 3107.139901] Modules linked in:
stap_73a4152cab7f1d6f69bf776fe9b0cf8_64425(OE) sunrpc ibmveth pseries_rng
ghash_generic vmx_crypto crct10dif_vpmsum crc32c_vpmsum ibmvscsi
scsi_transport_srp [last unloaded:
stap_ecfa71bcfc2a5a6b3b6ebe0205320e66__63877]
[ 3107.139954] CPU: 14 PID: 64427 Comm: true Tainted: G D W OE
4.13.0-0.rc3.git4.1.fc27.ppc64le #1
[ 3107.139966] task: c00000055c0bac80 task.stack: c00000055cac8000
[ 3107.139975] NIP: d00000000f0f1a50 LR: d00000000f0f1a14 CTR: c000000000712ae0
[ 3107.139985] REGS: c00000055cacb850 TRAP: 0300 Tainted: G D W OE
(4.13.0-0.rc3.git4.1.fc27.ppc64le)
[ 3107.139995] MSR: 8000000002001033 <SF,VEC,ME,IR,DR,RI,LE>
[ 3107.140022] CR: 88004424 XER: 00000007
[ 3107.140033] CFAR: c000000000008818 DAR: 0000000000000028 DSISR: 40000000
SOFTE: 0
[ 3107.140033] GPR00: d00000000f0f1b2c c00000055cacbad0 d00000000f109548
0000000000000010
[ 3107.140033] GPR04: 00000000000000a0 0000000000000010 0000000000000000
0000000000000001
[ 3107.140033] GPR08: c000000372acbc00 d00007fa061c71e8 00000005e5e40000
d00000000f0fc368
[ 3107.140033] GPR12: c000000000712ae0 c00000000fd88c00 0000000000000000
0000000000000000
[ 3107.140033] GPR16: 0000000000000000 c0000000018b3f50 c0000000018b4224
0000000000000010
[ 3107.140033] GPR20: 0000000000000010 0000000000000008 0000000000000000
d00000000f0fdbe8
[ 3107.140033] GPR24: d00000000f340000 c000000372acbc00 0000000000040000
0000000000000000
[ 3107.140033] GPR28: 0000000000000000 d00000000f140000 2ffffffff0d00000
0000000000000000
[ 3107.140207] NIP [d00000000f0f1a50] _stp_module_panic_notifier+0xc8/0x310
[stap_73a4152cab7f1d6f69bf776fe9b0cf8_64425]
[ 3107.140224] LR [d00000000f0f1a14] _stp_module_panic_notifier+0x8c/0x310
[stap_73a4152cab7f1d6f69bf776fe9b0cf8_64425]
[ 3107.140234] Call Trace:
[ 3107.140246] [c00000055cacbad0] [d00000000f0f1b2c]
_stp_module_panic_notifier+0x1a4/0x310
[stap_73a4152cab7f1d6f69bf776fe9b0cf8_64425] (unreliable)
[ 3107.140268] [c00000055cacbbb0] [c000000000154044]
notifier_call_chain+0xb4/0x170
[ 3107.140282] [c00000055cacbc50] [c0000000001543e0]
__atomic_notifier_call_chain+0xd0/0x1d0
[ 3107.140296] [c00000055cacbcb0] [c000000000113abc] panic+0x194/0x338
[ 3107.140310] [c00000055cacbd40] [c00000000002c7c8] oops_end+0x1e8/0x210
[ 3107.140323] [c00000055cacbdc0] [c0000000000739c0] bad_page_fault+0xe0/0x14c
[ 3107.140337] [c00000055cacbe30] [c00000000000ae40]
handle_dabr_fault+0x44/0x48
[ 3107.140348] Instruction dump:
[ 3107.140358] 7c731b78 7f84a000 409d01c4 3d220000 e9098008 3d220000 e9498058
7a891f24
[ 3107.140390] e9082160 7d4a482a e9280040 7f6a482a <eb3b0028> eb1b0000 e9390010
2fa90000
[ 3107.140425] ---[ end trace bb0b1e23216e42ae ]---
====
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* [Bug runtime/21917] on rawhide, we're getting a fault in the panic handler
2017-08-07 20:56 [Bug runtime/21917] New: on rawhide, we're getting a fault in the panic handler dsmith at redhat dot com
@ 2017-08-07 20:58 ` dsmith at redhat dot com
0 siblings, 0 replies; 2+ messages in thread
From: dsmith at redhat dot com @ 2017-08-07 20:58 UTC (permalink / raw)
To: systemtap
https://sourceware.org/bugzilla/show_bug.cgi?id=21917
David Smith <dsmith at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution|--- |FIXED
--- Comment #1 from David Smith <dsmith at redhat dot com> ---
Fixed in commit 94308dc
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You are receiving this mail because:
You are the assignee for the bug.
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