From: Thomas Gleixner <tglx@linutronix.de>
To: LKML <linux-kernel@vger.kernel.org>
Cc: "Rafael J. Wysocki" <rafael.j.wysocki@intel.com>,
Yinghai Lu <yinghai@kernel.org>, Toshi Kani <toshi.kani@hp.com>
Subject: [BUG bisected]: apei_hest_parse explosion
Date: Fri, 22 Feb 2013 00:56:01 +0100 (CET) [thread overview]
Message-ID: <alpine.LFD.2.02.1302220002040.22263@ionos> (raw)
Just booted linus head on one of my old kvm based testing systems and
got the following splat:
[ 0.531910] BUG: unable to handle kernel NULL pointer dereference at 0000000000000024
[ 0.532173] IP: [<ffffffff812f1bd2>] apei_hest_parse+0xd2/0xf0
[ 0.532173] PGD 0
[ 0.532173] Oops: 0000 [#1] PREEMPT SMP
[ 0.532173] Modules linked in:
[ 0.532173] CPU 3
[ 0.532173] Pid: 1, comm: swapper/0 Not tainted 3.8.0+ #195 Bochs Bochs
[ 0.532173] RIP: 0010:[<ffffffff812f1bd2>] [<ffffffff812f1bd2>] apei_hest_parse+0xd2/0xf0
[ 0.532173] RSP: 0000:ffff88021685be78 EFLAGS: 00010206
[ 0.532173] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[ 0.532173] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000028
[ 0.532173] RBP: ffff88021685be98 R08: 00000000804efb06 R09: 0000000000000000
[ 0.532173] R10: 0000000000000001 R11: 0000000000000000 R12: ffffffff81af3d40
[ 0.532173] R13: ffffffff812bcb23 R14: 0000000000000000 R15: 0000000000000000
[ 0.532173] FS: 0000000000000000(0000) GS:ffff88021fcc0000(0000) knlGS:0000000000000000
[ 0.532173] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 0.532173] CR2: 0000000000000024 CR3: 0000000001a0c000 CR4: 00000000000406a0
[ 0.532173] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 0.532173] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
[ 0.532173] Process swapper/0 (pid: 1, threadinfo ffff88021685a000, task ffff8802168c0000)
[ 0.532173] Stack:
[ 0.532173] 00000000fffffffa ffffffff81af3d40 0000000000000000 000000001fb3f55a
[ 0.532173] ffff88021685bea8 ffffffff812bcbe4 ffff88021685bec8 ffffffff81af3d5c
[ 0.532173] 0000000000000030 0000000000000030 ffff88021685bef8 ffffffff8100023b
[ 0.532173] Call Trace:
[ 0.532173] [<ffffffff81af3d40>] ? pcie_portdrv_init+0x7a/0x7a
[ 0.532173] [<ffffffff812bcbe4>] aer_acpi_firmware_first+0x20/0x30
[ 0.532173] [<ffffffff81af3d5c>] aer_service_init+0x1c/0x35
[ 0.532173] [<ffffffff8100023b>] do_one_initcall+0x57/0x13c
[ 0.532173] [<ffffffff81ad2d39>] kernel_init_freeable+0x142/0x1d1
[ 0.532173] [<ffffffff81ad254f>] ? loglevel+0x31/0x31
[ 0.532173] [<ffffffff815a8cef>] ? rest_init+0xc3/0xc3
[ 0.532173] [<ffffffff815a8cfd>] kernel_init+0xe/0xd6
[ 0.532173] [<ffffffff815bc73c>] ret_from_fork+0x7c/0xb0
[ 0.532173] [<ffffffff815a8cef>] ? rest_init+0xc3/0xc3
[ 0.532173] Code: 14 0f b7 77 02 31 c0 48 c7 c7 65 c1 83 81 e8 35 1a 2c 00 eb 23 4c 89 f6 41 ff d5 85 c0 75 1e 4c 89 e7 ff c3 48 8b 05 a6 5b 7c 00 <3b> 58 24 0f 82 5a ff ff ff 31 c0 eb 05 b8 ea ff ff ff 5b 41 5c
git bisect identified the following commit:
commit 92ef2a25c763338905dce8344a0584606f842920
Author: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Date: Fri Dec 21 00:36:40 2012 +0100
ACPI: Change the ordering of PCI root bridge driver registrarion
A revert is impossible w/o major surgery, so I'm going to bed and let
the involved folks think about it.
Thanks,
tglx
next reply other threads:[~2013-02-21 23:56 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-02-21 23:56 Thomas Gleixner [this message]
2013-02-22 0:15 ` [BUG bisected]: apei_hest_parse explosion Rafael J. Wysocki
2013-02-22 1:23 ` Yinghai Lu
2013-02-22 1:40 ` Rafael J. Wysocki
2013-02-22 2:19 ` Rafael J. Wysocki
2013-02-22 8:22 ` Thomas Gleixner
2013-02-22 12:30 ` Rafael J. Wysocki
2013-02-22 14:39 ` Thomas Gleixner
2013-02-22 21:00 ` Rafael J. Wysocki
2013-02-22 23:46 ` Yinghai Lu
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