Public bug reported: Only in natty, 2.6.37-9-server, newly introduced problem not in 2.6.37-8-server. Probably in generic too, though I haven't tested this.
In /var/log/messages during boot: Dec 14 07:30:41 localhost kernel: [ 2.406335] ------------[ cut here ]------------ Dec 14 07:30:41 localhost kernel: [ 2.406341] WARNING: at /build/buildd/linux-2.6.37/kernel/trace/ftrace.c:1014 ftrace_bug+0x289/0x2c0() Dec 14 07:30:41 localhost kernel: [ 2.406343] Hardware name: EP45T-UD3P Dec 14 07:30:41 localhost kernel: [ 2.406344] Modules linked in: crc32c_intel(+) libcrc32c Dec 14 07:30:41 localhost kernel: [ 2.406347] Pid: 147, comm: modprobe Not tainted 2.6.37-9-server #22-Ubuntu Dec 14 07:30:41 localhost kernel: [ 2.406348] Call Trace: Dec 14 07:30:41 localhost kernel: [ 2.406353] [<ffffffff8106625f>] warn_slowpath_common+0x7f/0xc0 Dec 14 07:30:41 localhost kernel: [ 2.406356] [<ffffffffa000a1d4>] ? crc32c_intel_cra_init+0x4/0x14 [crc32c_intel] Dec 14 07:30:41 localhost kernel: [ 2.406358] [<ffffffff810662ba>] warn_slowpath_null+0x1a/0x20 Dec 14 07:30:41 localhost kernel: [ 2.406360] [<ffffffff810e1089>] ftrace_bug+0x289/0x2c0 Dec 14 07:30:41 localhost kernel: [ 2.406363] [<ffffffffa000a1d4>] ? crc32c_intel_cra_init+0x4/0x14 [crc32c_intel] Dec 14 07:30:41 localhost kernel: [ 2.406365] [<ffffffff810e130a>] ftrace_update_code+0x11a/0x150 Dec 14 07:30:41 localhost kernel: [ 2.406367] [<ffffffffa000a1d4>] ? crc32c_intel_cra_init+0x4/0x14 [crc32c_intel] Dec 14 07:30:41 localhost kernel: [ 2.406369] [<ffffffff810e1741>] ftrace_process_locs+0x91/0xc0 Dec 14 07:30:41 localhost kernel: [ 2.406371] [<ffffffff810e3095>] ftrace_module_notify+0x45/0x50 Dec 14 07:30:41 localhost kernel: [ 2.406374] [<ffffffff815d3dfd>] notifier_call_chain+0x4d/0x70 Dec 14 07:30:41 localhost kernel: [ 2.406376] [<ffffffff8108dac8>] __blocking_notifier_call_chain+0x58/0x80 Dec 14 07:30:41 localhost kernel: [ 2.406378] [<ffffffff8108db06>] blocking_notifier_call_chain+0x16/0x20 Dec 14 07:30:41 localhost kernel: [ 2.406382] [<ffffffff810a4e27>] sys_init_module+0x87/0x220 Dec 14 07:30:41 localhost kernel: [ 2.406384] [<ffffffff8100c082>] system_call_fastpath+0x16/0x1b Dec 14 07:30:41 localhost kernel: [ 2.406386] ---[ end trace fe53bf35d3e75dd1 ]--- When manually modprobing: r...@delan1:/# modprobe crc32c_intel FATAL: Error inserting crc32c_intel (/lib/modules/2.6.37-9-server/kernel/arch/x86/crypto/crc32c-intel.ko): No such device ** Affects: ubuntu Importance: Undecided Status: New -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/690606 Title: crc32c_intel fails to load in 2.6.37-9-server -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs