Am Mittwoch, 28. November 2007 schrieb Frans Pop: [...] > During boot I get the following oops in the Hercules emulator. > 2.6.22 runs fine on Hercules; I've not tried .23 on it. [...] > ------------ cut here !------------ > kernel BUG at net/core/dev.c:852 + > illegal operation: 0001 #1! > Modules linked in: ctc fsm tape_34xx cu3088 tape ccwgroup tape_class dm_mirror d > m_snapshot dm_mod dasd_eckd_mod dasd_mod > CPU: 1 Not tainted > Process hwup (pid: 990, task: 0f034c00, ksp: 0f305be0) > Krnl PSW : 070c0000 8019d0da (dev_alloc_name+0x1e/0x58) > R:0 T:1 IO:1 EX:1 Key:0 M:1 W:0 P:0 AS:0 CC:0 PM:0 > Krnl GPRS: 00132700 00000000 0f398800 0f398800 > 00000000 80132796 0f305d7a 00000002 > 0f1ada00 0f3c1f08 0f3c1f00 0f398800 > 0f398800 8019d0c2 0f305ca0 0f305c30 > Krnl Code: 8019d0cc: f000bf1f2460 srp 3871(1,%r11),1120(%r2),0 > 8019d0d2: a7740004 brc 7,8019d0da > 8019d0d6: a7f40001 brc 15,8019d0d8 > >8019d0da: 5810d04e l %r1,78(%r13) > 8019d0de: 41a0f060 la %r10,96(%r15) > 8019d0e2: 5820c460 l %r2,1120(%r12) > 8019d0e6: 184a lr %r4,%r10 > 8019d0e8: 0de1 basr %r14,%r1 > Call Trace: > ( <0000000000000000>! _ehead+0xfffee000/0x80) > <000000000019d710>! register_netdev+0x34/0x6c > <00000000108a561e>! ctc_new_device+0x3ee/0x590 ctc! > <0000000010861398>! ccwgroup_online_store+0xb0/0x13c ccwgroup! > <00000000000c962a>! sysfs_write_file+0xca/0x130 > <00000000000840e6>! vfs_write+0x92/0x128 + > <00000000000847e8>! sys_write+0x40/0x70 > <000000000002098a>! sysc_do_restart+0x12/0x16 > <0000000077f0abaa>! 0x77f0abaa This seems to be related to the new network namespace code by Eric Biederman (CCed). Can you try the following (untested) patch? I also CCed Ursula and Peter as they know the ctc code better than me. CC: Eric W. Biederman <ebiederm@xxxxxxxxxxxx> CC: Ursula Braun <braunu@xxxxxxxxxx> CC: Peter Tiedemann <ptiedem@xxxxxxxxxx> Signed-off-by: Christian Borntraeger <borntraeger@xxxxxxxxxx> --- drivers/s390/net/ctcmain.c | 2 ++ 1 file changed, 2 insertions(+) Index: linux-2.6/drivers/s390/net/ctcmain.c =================================================================== --- linux-2.6.orig/drivers/s390/net/ctcmain.c +++ linux-2.6/drivers/s390/net/ctcmain.c @@ -56,6 +56,7 @@ #include <linux/skbuff.h> #include <linux/ctype.h> #include <net/dst.h> +#include <net/net_namespace.h> #include <asm/io.h> #include <asm/ccwdev.h> @@ -2823,6 +2824,7 @@ ctc_init_netdevice(struct net_device * d dev->type = ARPHRD_SLIP; dev->tx_queue_len = 100; dev->flags = IFF_POINTOPOINT | IFF_NOARP; + dev->nd_net = &init_net; return dev; } - To unsubscribe from this list: send the line "unsubscribe linux-s390" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
