From: Steven Seeger <steven.seeger@flightsystems.net>
To: Jan Kiszka <jan.kiszka@siemens.com>
Cc: Xenomai <xenomai@xenomai.org>, Philippe Gerum <rpm@xenomai.org>
Subject: Re: [PATCH] powerpc: ipipe: Do full exit checks after __ipipe_call_mayday
Date: Fri, 20 Dec 2019 17:19:10 -0500 [thread overview]
Message-ID: <3547025.FgZ9TNa1CN@omoikane> (raw)
In-Reply-To: <d93a6092-b340-b74b-ff3d-51ac5c438c25@siemens.com>
Tried running with your patch, Jan. I made sure the files I sent you I had
worked on were the same I had sent you. I wound up with a crash in
do_user_signal during the smokey gdb test.
# LD_LIBRARY_PATH=/usr/xenomai/lib /usr/xenomai/bin/smokey --run=gdb
[ 10.650031] Unable to handle kernel paging request for instruction fetch
[ 10.656762] Faulting instruction address: 0xc0010b00
[ 10.661736] Oops: Kernel access of bad area, sig: 11 [#1]
[ 10.667124] BE PREEMPT Aitech SP0S100
[ 10.670780] Modules linked in: unix
[ 10.674268] CPU: 0 PID: 982 Comm: smokey Not tainted 4.19.55-aitech #96
[ 10.680871] I-pipe domain: Linux
[ 10.684089] NIP: c0010b00 LR: c0010ad8 CTR: c00a8f1c
[ 10.689131] REGS: ee8cbe90 TRAP: 0400 Not tainted (4.19.55-aitech)
[ 10.695559] MSR: 00009220 <EE,ME,DE,IR> CR: 24000284 XER: 20000000
[ 10.701998]
[ 10.701998] GPR00: 00000000 ee8cbf40 ef156bc0 00000000 c0007890 ef156bc0
00000000 5d084753
[ 10.701998] GPR08: c055b068 00000001 c0599a60 00021000 22000282 1004870c
00000000 00000000
[ 10.701998] GPR16: 00000000 00000000 00000000 00000000 00000000 00000000
00000000 10040000
[ 10.701998] GPR24: 00000000 b7ffc000 1001e480 1001e4b0 10041198 100425d0
00000002 bffff9d0
[ 10.736886] NIP [c0010b00] do_user_signal+0x20/0x34
[ 10.741755] LR [c0010ad8] recheck+0x48/0x50
[ 10.745927] Call Trace:
[ 10.748362] Instruction dump:
[ 10.751322] 7d400124 48089e21 2c830000 4186ffa0 614a8000 7d400124 806100b0
70600001
[ 10.759066] 41820010 bda10044 5463003c 906100b0 <38610010> 7d244b78
4bff7add b9a10044
[ 10.766985] ---[ end trace d102d53b0f8d6db9 ]---
[ 10.771591]
prev parent reply other threads:[~2019-12-20 22:19 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-12-19 16:46 [PATCH] powerpc: ipipe: Do full exit checks after __ipipe_call_mayday Jan Kiszka
2019-12-19 16:53 ` Jan Kiszka
2019-12-19 17:01 ` Steven Seeger
2019-12-19 17:14 ` Jan Kiszka
2019-12-19 17:15 ` Steven Seeger
2019-12-19 17:24 ` Jan Kiszka
2019-12-21 0:14 ` Steven Seeger
2019-12-20 23:38 ` Steven Seeger
2019-12-21 12:09 ` Jan Kiszka
2019-12-20 22:19 ` Steven Seeger [this message]
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