Subject : 2.6.24-rc1: hangs when logging in to X session Submitter : Marcus Better <marcus@better.se> References : http://lkml.org/lkml/2007/10/29/168 Handled-By : Andrew Morton <akpm@linux-foundation.org>
Here's the crash dump: general protection fault: 0000 [1] PREEMPT SMP CPU 0 Modules linked in: xfrm4_mode_tunnel xfrm_user xfrm4_tunnel af_key netconsole i915 drm rfcomm l2cap tunnel4 ipcomp esp4 ah4 nfsd exportfs autofs4 cpufreq_conservative cpufreq_userspace cpufreq_stats cpufreq_powersave rpcsec_gss_krb5 auth_rpcgss nfs lockd nfs_acl sunrpc ipv6 deflate zlib_deflate twofish_x86_64 twofish_common camellia serpent blowfish des_generic xcbc sha1_generic crypto_null hmac crypto_hash fuse nls_utf8 ntfs xfs coretemp cpufreq_ondemand acpi_cpufreq freq_table snd_seq_dummy snd_seq_oss snd_seq_midi snd_rawmidi snd_seq_midi_event snd_seq snd_seq_device mousedev arc4 ecb snd_hda_intel snd_pcm_oss snd_mixer_oss pcmcia iwl3945 snd_pcm firmware_class snd_timer hci_usb snd serio_raw hwmon mac80211 bluetooth soundcore yenta_socket rsrc_nonstatic pcmcia_core video backlight output evdev psmouse i2c_i801 button nvram rtc iTCO_wdt pcspkr snd_page_alloc cfg80211 ext3 jbd mbcache sha256_generic aes_x86_64 aes_generic cbc blkcipher dm_crypt dm_mirror dm_snapshot dm_mod firewire_ohci firewire_core ehci_hcd uhci_hcd crc_itu_t usbcore tg3 sr_mod cdrom sd_mod thermal processor fan Pid: 4347, comm: dnsmasq Not tainted 2.6.24-rc1-melech #4 RIP: 0010:[<ffffffff880d3052>] [<ffffffff880d3052>] :cbc:xor_128+0x2/0x20 RSP: 0018:ffff8100049fd930 EFLAGS: 00010287 RAX: 000000000e502390 RBX: 0000000000000010 RCX: ffff810009f7ac00 RDX: 0000000000000010 RSI: ffff810009c48e10 RDI: 6ddaa59200000644 RBP: 00000000fffffff0 R08: ffff81000a4a9ec0 R09: 0000000000000000 R10: 000000004fa99cad R11: 0000000000000014 R12: 0000000000000010 R13: ffffffff880df710 R14: 6ddaa59200000644 R15: 0000000000000040 FS: 00002b29576ca6e0(0000) GS:ffffffff80590000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00002b898db23bc0 CR3: 0000000004a79000 CR4: 00000000000006e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Process dnsmasq (pid: 4347, threadinfo ffff8100049fc000, task ffff81000404b7e0) Stack: ffffffff880d3488 ffff810000000000 ffff8100049fda48 ffff810009f7ac00 ffffffff880d3050 bd42b9d15e8c4d52 dc7227cd8329fa6a 0000000000000000 6ddaa59200000644 0000000000000000 6ddaa59200000644 ffff81000a4a9ec0 Call Trace: [<ffffffff880d3488>] :cbc:crypto_cbc_encrypt+0x148/0x180 [<ffffffff880d3050>] :cbc:xor_128+0x0/0x20 [<ffffffff88570bdd>] :esp4:esp_output+0x28d/0x470 [<ffffffff80483e3b>] csum_partial_copy_from_user+0x6b/0xf0 [<ffffffff80476dc1>] xfrm_output+0xf1/0x240 [<ffffffff8046d458>] xfrm4_output_finish2+0x78/0x230 [<ffffffff804313d6>] ip_push_pending_frames+0x2d6/0x510 [<ffffffff80433170>] ip_generic_getfrag+0x0/0x90 [<ffffffff80452515>] udp_push_pending_frames+0x145/0x390 [<ffffffff80453a27>] udp_sendmsg+0x337/0x750 [<ffffffff803fcd2b>] sock_sendmsg+0x12b/0x140 [<ffffffff803fcbea>] sock_recvmsg+0x14a/0x160 [<ffffffff8024fed0>] autoremove_wake_function+0x0/0x30 [<ffffffff803fde57>] move_addr_to_user+0x97/0xb0 [<ffffffff80486e71>] _read_unlock+0x11/0x40 [<ffffffff8040b890>] dev_ioctl+0x100/0x5c0 [<ffffffff803fdb76>] sys_sendto+0x146/0x1b0 [<ffffffff803fbfad>] sock_ioctl+0xed/0x260 [<ffffffff802adc4f>] do_ioctl+0x2f/0xa0 [<ffffffff8020c41e>] system_call+0x7e/0x83 Code: 31 07 8b 46 04 31 47 04 8b 46 08 31 47 08 8b 46 0c 31 47 0c RIP [<ffffffff880d3052>] :cbc:xor_128+0x2/0x20 RSP <ffff8100049fd930> Kernel panic - not syncing: Aiee, killing interrupt handler!
Apparently fixed in current git, see thread.