For completeness, here's my panic, transcribed manually from my netbook (there may be typos). (Not sure how useful this will be since it's not the whole backtrace.)
... [ 178.020018] [<c14c5581>] ? uhci_free_td+0xb1/0xd0 [ 178.020018] [<c14c6ce3>] uhci_scan_schedule+0x333/0x8d0 [ 178.020018] [<c14c7317>] uhci_irq+0x97/0x140 [ 178.020018] [<c14a1661>] usb_hcd_irq+0x21/0x30 [ 178.020018] [<c10a5ba5>] handle_irq_event_percpu+0x35/0x1a0 [ 178.020018] [<c10a5d41>] handle_irq_event+0x31/0x50 [ 178.020018] [<c10a8660>] ? unmask_irq+0x30/0x30 [ 178.020018] [<c10a86ae>] handle_fasteoi_irq+0x4e/0xe0 [ 178.020018] <IRQ> [ 178.020018] [<c165a26c>] ? do_IRQ+0x3c/0xb0 [ 178.020018] [<c165a033>] ? common_interrupt+0x33/0x38 [ 178.020018] [<c13120ea>] ? mpihelp_submul_1+0x5a/0xc0 [ 178.020018] [<c1312ad7>] ? mpihelp_divrem+0x207/0x6f0 [ 178.020018] [<c13140fc>] ? mpi_powm+0x41c/0x890 [ 178.020018] [<c12c0e48>] ? RSA_verify_signature+0xb8/0x220 [ 178.020018] [<c12c0d90>] ? public_key_describe+0x40/0x40 [ 178.020018] [<c12c0cea>] ? public_key_verify_signature+0x9a/0xe0 [ 178.020018] [<c1314637>] ? mpi_alloc+0x57/0x80 [ 178.020018] [<c131230d>] ? mpi_read_raw_data+0x6d/0x110 [ 178.020018] [<c12c0d40>] ? public_key_read_verify_signature_2+0x10/0x20 [ 178.020018] [<c12c0bf7>] ? verify_signature+0x27/0x40 [ 178.020018] [<c10c50ab>] ? mod_verify_sig+0x29b/0x390 [ 178.020018] [<c10c2f33>] ? load_module+0x1b3/0x18e0 [ 178.020018] [<c1176774>] ? vfs_read+0xd4/0x140 [ 178.020018] [<c117b4c5>] ? kernel_read+0x35/0x50 [ 178.020018] [<c10c0c39>] ? copy_module_from_fd.isra.45+0xf9/0x190 [ 178.020018] [<c12a81a4>] ? aa_label_find_merge+0xf4/0x390 [ 178.020018] [<c10c47c5>] ? SyS_finit_module+0x75/0xc0 [ 178.020018] [<c11396db>] ? vm_mmap_pgoff+0x7b/0xa0 [ 178.020018] [<c1659b4d>] ? sysenter_do_call+0x12/0x28 [ 178.020018] Code: ff 8d b4 26 00 00 00 00 55 89 e5 57 56 53 83 ec 0c 3e 8d 74 26 00 83 fa 1f 89 c3 76 0b 83 c4 0c 5b 5e 5f 5d c3 8d 76 00 89 4d ec <0f> a3 50 18 19 c0 85 c0 89 55 f0 74 e5 8d b3 8c 01 00 00 89 f0 [ 178.020018] EIP: [<c14e6863>] input_event+0x23/0x70 SS:ESP 0068:f4c09dfc [ 178.020018] CR2: 0000000000000018 [ 178.020018] Kernel panic - not syncing: Fatal exception in interrupt [ 178.020018] drm_kms_helper: panic occurred, switching back to text console
For completeness, here's my panic, transcribed manually from my netbook (there may be typos). (Not sure how useful this will be since it's not the whole backtrace.)
... td+0xb1/ 0xd0 schedule+ 0x333/0x8d0 irq+0x21/ 0x30 irq_event_ percpu+ 0x35/0x1a0 irq_event+ 0x31/0x50 irq+0x30/ 0x30 fasteoi_ irq+0x4e/ 0xe0 interrupt+ 0x33/0x38 submul_ 1+0x5a/ 0xc0 divrem+ 0x207/0x6f0 0x41c/0x890 signature+ 0xb8/0x220 key_describe+ 0x40/0x40 key_verify_ signature+ 0x9a/0xe0 raw_data+ 0x6d/0x110 key_read_ verify_ signature_ 2+0x10/ 0x20 signature+ 0x27/0x40 sig+0x29b/ 0x390 0x1b3/0x18e0 read+0x35/ 0x50 from_fd. isra.45+ 0xf9/0x190 find_merge+ 0xf4/0x390 module+ 0x75/0xc0 pgoff+0x7b/ 0xa0 do_call+ 0x12/0x28 0x23/0x70 SS:ESP 0068:f4c09dfc
[ 178.020018] [<c14c5581>] ? uhci_free_
[ 178.020018] [<c14c6ce3>] uhci_scan_
[ 178.020018] [<c14c7317>] uhci_irq+0x97/0x140
[ 178.020018] [<c14a1661>] usb_hcd_
[ 178.020018] [<c10a5ba5>] handle_
[ 178.020018] [<c10a5d41>] handle_
[ 178.020018] [<c10a8660>] ? unmask_
[ 178.020018] [<c10a86ae>] handle_
[ 178.020018] <IRQ>
[ 178.020018] [<c165a26c>] ? do_IRQ+0x3c/0xb0
[ 178.020018] [<c165a033>] ? common_
[ 178.020018] [<c13120ea>] ? mpihelp_
[ 178.020018] [<c1312ad7>] ? mpihelp_
[ 178.020018] [<c13140fc>] ? mpi_powm+
[ 178.020018] [<c12c0e48>] ? RSA_verify_
[ 178.020018] [<c12c0d90>] ? public_
[ 178.020018] [<c12c0cea>] ? public_
[ 178.020018] [<c1314637>] ? mpi_alloc+0x57/0x80
[ 178.020018] [<c131230d>] ? mpi_read_
[ 178.020018] [<c12c0d40>] ? public_
[ 178.020018] [<c12c0bf7>] ? verify_
[ 178.020018] [<c10c50ab>] ? mod_verify_
[ 178.020018] [<c10c2f33>] ? load_module+
[ 178.020018] [<c1176774>] ? vfs_read+0xd4/0x140
[ 178.020018] [<c117b4c5>] ? kernel_
[ 178.020018] [<c10c0c39>] ? copy_module_
[ 178.020018] [<c12a81a4>] ? aa_label_
[ 178.020018] [<c10c47c5>] ? SyS_finit_
[ 178.020018] [<c11396db>] ? vm_mmap_
[ 178.020018] [<c1659b4d>] ? sysenter_
[ 178.020018] Code: ff 8d b4 26 00 00 00 00 55 89 e5 57 56 53 83 ec 0c 3e 8d 74 26 00 83 fa 1f 89 c3 76 0b 83 c4 0c 5b 5e 5f 5d c3 8d 76 00 89 4d ec <0f> a3 50 18 19 c0 85 c0 89 55 f0 74 e5 8d b3 8c 01 00 00 89 f0
[ 178.020018] EIP: [<c14e6863>] input_event+
[ 178.020018] CR2: 0000000000000018
[ 178.020018] Kernel panic - not syncing: Fatal exception in interrupt
[ 178.020018] drm_kms_helper: panic occurred, switching back to text console