linux-kernel - Re: Linux 2.6.37-rc1 (pcrypt fault)

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Message-Id: <20101103141519.0a6f5906.randy.dunlap@oracle.com>
Date:	Wed, 3 Nov 2010 14:15:19 -0700
From:	Randy Dunlap <randy.dunlap@...cle.com>
To:	Linus Torvalds <torvalds@...ux-foundation.org>,
	Steffen Klassert <steffen.klassert@...unet.com>
Cc:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	linux-crypto@...r.kernel.org
Subject: Re: Linux 2.6.37-rc1 (pcrypt fault)


modprobe pcrypt; rmmod pcrypt ==>


[   76.081639] calling  pcrypt_init+0x0/0x107 [pcrypt] @ 3016
Nov  3 13:02:15 control kernel: [   76.089883] initcall pcrypt_init+0x0/0x107 [pcrypt] returned 0 after 2476 usecs
[   76.081639] calling  pcrypt_i


[   79.940445] general protection fault: 0000 [#1] SMP DEBUG_PAGEALLOC
[   79.946419] last sysfs file: /sys/devices/pci0000:00/0000:00:1d.1/usb3/3-1/3-1.3/devnum
[   79.954652] CPU 0 
[   79.954652] Modules linked in: pcrypt(-) ipt_MASQUERADE iptable_nat nf_nat af_packet nfsd lockd nfs_acl auth_rpcgss exportfs sco bridge stp llc bnep l2cap crc16 bluetooth rfkill sunrpc ipt_REJECT nf_conntrack_ipv4 nf_defrag_ipv4 iptable_filter ip_tables ip6t_REJECT xt_tcpudp nf_conntrack_ipv6 nf_defrag_ipv6 xt_state nf_conntrack ip6table_filter ip6_tables x_tables ipv6 p4_clockmod freq_table speedstep_lib binfmt_misc dm_mirror dm_region_hash dm_log dm_multipath scsi_dh dm_mod kvm uinput mousedev joydev snd_intel8x0 snd_ac97_codec ppdev ac97_bus snd_seq snd_seq_device usbmouse snd_pcm led_class usbkbd usbhid hid iTCO_wdt snd_timer iTCO_vendor_support tg3 snd sr_mod dcdbas sg soundcore rng_core cdrom pcspkr parport_pc i2c_i801 rtc_cmos snd_page_alloc evdev shpchp rtc_core parport rtc_lib mac_hid pci_hotplug 8250_pnp unix ide_pci_generic ide_core ata_generic pata_acpi ata_piix sd_mod crc_t10dif ext3 jbd mbcache uhci_hcd ohci_hcd ssb mmc_core pcmcia pcmcia_core firmware_class!
  ehci_hcd usbcore nls_base i915 drm_kms_helper intel_agp button intel_gtt video thermal_sys hwmon output [last unloaded: mperf]
[   80.054943] 
[   80.058247] Pid: 3074, comm: rmmod Not tainted 2.6.37-rc1 #7 0HH807/OptiPlex GX620               
[   80.058247] RIP: 0010:[<ffffffff810c3a98>]  [<ffffffff810c3a98>] __lock_acquire+0x131/0x4e8
[   80.058247] RSP: 0018:ffff88006d0b9cd8  EFLAGS: 00010002
[   80.058247] RAX: 6b6b6b6b6b6b6b6b RBX: ffff88006d3c93c8 RCX: 0000000000000000
[   80.058247] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff88006d3c93c8
[   80.058247] RBP: ffff88006d0b9d38 R08: 0000000000000001 R09: 0000000000000000
[   80.058247] R10: ffff88006d0b9ea8 R11: ffff88007c002c80 R12: 0000000000000000
[   80.058247] R13: ffff88006c5f8000 R14: 0000000000000000 R15: 0000000000000000
[   80.058247] FS:  00007f6fed3ba6f0(0000) GS:ffff88007c600000(0000) knlGS:0000000000000000
[   80.058247] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
[   80.058247] CR2: 0000000000627410 CR3: 000000006d047000 CR4: 00000000000006f0
[   80.058247] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   80.058247] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
[   80.058247] Process rmmod (pid: 3074, threadinfo ffff88006d0b8000, task ffff88006c5f8000)
[   80.058247] Stack:
[   80.058247]  ffff88006d3c9240 ffffea00017e53c0 ffffffff81158ccc ffffea00017e10d0
[   80.058247]  ffff88006d0b9d38 000000007c002640 ffff88006d2963c8 0000000000000000
[   80.173526]  ffff88006c5f8000 ffffffff81158c28 0000000000000001 0000000000000000
[   80.184364] Call Trace:
[   80.185803]  [<ffffffff81158ccc>] ? padata_sysfs_release+0x4/0x25
[   80.185803]  [<ffffffff81158c28>] ? padata_stop+0x27/0x51
[   80.185803]  [<ffffffff810c3f4f>] lock_acquire+0x100/0x150
[   80.200956]  [<ffffffff81158c28>] ? padata_stop+0x27/0x51
[   80.205967]  [<ffffffff81158c28>] ? padata_stop+0x27/0x51
[   80.205967]  [<ffffffff8154e90b>] __mutex_lock_common+0x45/0x658
[   80.222282]  [<ffffffff81158c28>] ? padata_stop+0x27/0x51
[   80.226676]  [<ffffffff811b32a2>] ? free_debug_processing+0x245/0x27d
[   80.237637]  [<ffffffffa003db0c>] ? pcrypt_fini_padata+0x4a/0x96 [pcrypt]
[   80.249091]  [<ffffffff811b3493>] ? __slab_free+0x1b9/0x1d6
[   80.257880]  [<ffffffff8154f020>] mutex_lock_nested+0x4e/0x5a
[   80.257880]  [<ffffffff81158c28>] padata_stop+0x27/0x51
[   80.273324]  [<ffffffffa003db1b>] pcrypt_fini_padata+0x59/0x96 [pcrypt]
[   80.283024]  [<ffffffffa003df60>] pcrypt_exit+0x1c/0x5e [pcrypt]
[   80.290927]  [<ffffffff810d3cb0>] sys_delete_module+0x2d6/0x368
[   80.298370]  [<ffffffff8155036b>] ? lockdep_sys_exit_thunk+0x35/0x67
[   80.305282]  [<ffffffff810fdfaf>] ? audit_syscall_entry+0x172/0x1a5
[   80.313996]  [<ffffffff815502f5>] ? trace_hardirqs_on_thunk+0x3a/0x3f
[   80.313996]  [<ffffffff8100ea72>] system_call_fastpath+0x16/0x1b
[   80.333600] Code: ff 05 8d 1b 72 01 44 89 4d c0 e8 a4 db ff ff 48 ff 05 85 1b 72 01 48 85 c0 44 8b 4d c0 75 0c 48 ff 05 7d 1b 72 01 e9 a8 03 00 00 <f0> ff 80 98 01 00 00 8b 35 4b 18 f9 00 48 ff 05 6c 1b 72 01 45 
[   80.355817] RIP  [<ffffffff810c3a98>] __lock_acquire+0x131/0x4e8
[   80.359975]  RSP <ffff88006d0b9cd8>
[   80.371613] ---[ end trace 8f6f53761e872c8f ]---
control kernel:
control kernel: [   80.305282]  [<ffffffff810fdfaf>] ? audit_syscall_entry+0x172/0x1a5


kernel config file is attached (nearly allmodconfig).
There is a chance of some CONFIG that is not helpful...

---
~Randy
*** Remember to use Documentation/SubmitChecklist when testing your code ***

Download attachment "config-2637-rc1" of type "application/octet-stream" (118982 bytes)