[Galaxy S II Android Development] notabenem:
Thanks for the hint. When flashed, the phone would not go beyond the bootloader ("yellow triangle"), thus I don't have access to either kmsg and/or logcat. After re-flashing a working kernel, kmsg is overwritten. Any other hints?

The list of commits are this:

fecc56b serial: group all the 8250 related code together
6d69794 TTY: switch tty_flip_buffer_push
4ad2d0a TTY: move low_latency to tty_port
eeda9bb TTY: switch tty_insert_flip_string
f4e94cc TTY: switch tty_insert_flip_char
bf8b405 TTY: serial, cleanup include file
814393c USB: ftdi_sio.c: Use ftdi async_icount structure for TIOCMIWAIT, as in other drivers
4281b63 USB: ftdi_sio.c:Fill MSR fields of the ftdi async_icount structure
9ab8fa9 USB: ftdi_sio.c: Fill LSR fields of the ftdi async_icount structure
14fa17f USB: ftdi_sio.c:Fill TX field of the ftdi async_icount structure
0e6ce6b USB: ftdi_sio.c: Fill the RX field of the ftdi async_icount structure
46c6e27 USB: ftdi_sio.c: Basic icount infrastructure for ftdi_sio
38b01c7 TTY: hvsi, sanitize uses of tty
da98019 TTY: hvsi, add tty_port
eeb5dc0 TTY: add tty_port_tty_hangup helper
73ed79b TTY: convert more flipping functions
64bab98 TTY: switch tty_buffer_request_room to tty_port
553a555 TTY: move tty buffers to tty_port
af9d1cd TTY: add port -> tty link
f43514d TTY: tty_buffer, cache pointer to tty->buf
d29c5cc tty: hold lock across tty buffer finding and buffer filling
25df9c4 TTY: move TTY_FLUSH* flags to tty_port
584ebb5 TTY: n_tty, propagate n_tty_data
0d287aa TTY: move ldisc data from tty_struct: locks
efa52d7 TTY: move ldisc data from tty_struct: read_* and echo_* and canon_* stuff
cb21d55 tty: Fix possible race in n_tty_read()
09f802a TTY: move ldisc data from tty_struct: bitmaps
4d1c919 TTY: move ldisc data from tty_struct: simple members
3eea163 n_tty: Don't lose characters when PARMRK is enabled
d8abc3e TTY: n_tty, add ldisc data to n_tty
71a322a TTY: audit, stop accessing tty->icount
2e05ec9 TTY: n_tty, do not dereference user buffer
f418f99 TTY: n_tty, remove bogus checks
cd324ac TTY: n_tty, simplify read_buf+echo_buf allocation
19867e0 TTY: ldisc, wait for idle ldisc in release
ee9781b TTY: vt, fix paste_selection ldisc handling
71d159c TTY: move devpts kill to pty
b87ff82 TTY: devpts, document devpts inode operations
78c72e6 TTY: devpts, do not set driver_data
05ec2f1 tty: localise the lock
69bd184 TTY: amiserial, stop using serial_state->{irq,type,line}
30b9618 TTY: simserial, use only one copy of async flags
7680b56 TTY: serialP, remove unused material
880707b TTY: amiserial, define local tty_port pointer
84f575c TTY: devpts, return created inode from devpts_pty_new
c7f1157 TTY: devpts, don't care about TTY in devpts_get_tty
82fe0cb tty: prevent unnecessary work queue lock checking on flip buffer copy
7637d82 TTY: msm_smd_tty, clean up activate/shutdown
d7268de TTY: synclink, remove superfluous check
a840a45 TTY: jsm, remove superfluous check
1e5fee50 tty: Fix checkpatch errors in tty_ldisc.h
de979af n_tty: Lock access to tty->pgrp for POSIX job control
364cdd3 n_tty: Fix unsafe driver-side signals
09f713d n_tty: Fix stuck throttled driver
34bf6a5 tty: Add safe tty throttle/unthrottle functions
4989d7b n_tty: Inline check_unthrottle() at lone call site
d4f1b02 Merge branch 'tty-next' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty-2.6
70d9a6a tty: Signal SIGHUP before hanging up ldisc
62878cd tty: Signal foreground group processes in hangup
4a524cf tty: Use spin_lock() inside existing critical region
e144a46 tty: Refactor session leader SIGHUP from __tty_hangup()
b5ed503 TTY: add tty_port_link_device
cb4d734 TTY: add tty_port_register_device helper
974a68b TTY: add ports array to tty_driver
bfd57c1 TTY: centralize fail paths in tty_register_driver
f1a2219 TTY: usb-serial, use tty_port_install
e2ad6c7 PTY: add tty_port
bcbeb03 PTY: merge pty_install implementations
70cc048 PTY: remove one empty ops->remove
1dca990 net: Fix use after free by removing length arg from sk_data_ready callbacks.
ad6ef98 net: add option to enable error queue packets waking select
f1d7eed HID: fix data access in implement()
f00b80f Bluetooth: hidp: merge 'send' functions into hidp_send_message()
5ee7fa3 partial commit: UAPI: (Scripted) Disintegrate include/linux (607ca46e97a1b6594b29647d98a32d545c24bdff) - if_ether.h