linux/drivers/s390/net
Ursula Braun f78ac2bbb1 qeth: forbid recovery during shutdown
A recovery does not make sense during shutdown and may even cause an
error like this:

qeth 0.0.f503: A recovery process has been started for the device
Badness at drivers/s390/cio/qdio_main.c:1156
Modules linked in: autofs4 sunrpc dm_multipath scsi_dh scsi_mod qeth_l3 ipv6 vmu
r qeth qdio ccwgroup ext3 jbd mbcache dasd_eckd_mod dasd_mod dm_mirror dm_region
_hash dm_log dm_mod [last unloaded: scsi_wait_scan]
CPU: 3 Not tainted 2.6.32-202.el6.s390x #1
Process qeth_recover (pid: 1498, task: 000000003efe2040, ksp: 000000003d5e3b80)
Krnl PSW : 0404200180000000 000003c000be6da8 (qdio_int_handler+0x88/0x43c [qdio]
)
           R:0 T:1 IO:0 EX:0 Key:0 M:1 W:0 P:0 AS:0 CC:2 PM:0 EA:3
Krnl GPRS: ffffffffffff3bac 0000000000000005 0000000000000000 fffffffffffffff4
           0000000000000000 000000000000000c 0000000000000000 000000003ca97000
           0000000000000380 fffffffffffffff4 000000003f22d800 000000003f22c478
           000003c000bdf000 000003c000bea270 000000003f447e10 000000003f447db0
Krnl Code: 000003c000be6d9a: c21f00000004       clfi    %r1,4
           000003c000be6da0: a7c40021           brc     12,3c000be6de2
           000003c000be6da4: a7f40001           brc     15,3c000be6da6
          >000003c000be6da8: e320a0080004       lg      %r2,8(%r10)
           000003c000be6dae: a7390003           lghi    %r3,3
           000003c000be6db2: a72b0178           aghi    %r2,376
           000003c000be6db6: a7490001           lghi    %r4,1
           000003c000be6dba: a7590000           lghi    %r5,0
Call Trace:
([<000000000080ee80>] __per_cpu_offset+0x0/0x200)
[<00000000003d90e8>] ccw_device_call_handler+0x70/0xcc
[<00000000003d83a2>] ccw_device_irq+0x82/0x180
[<00000000003cc6a8>] do_IRQ+0x16c/0x1ec
[<0000000000118abe>] io_return+0x0/0x8
[<000003c000d04c74>] qeth_determine_capabilities+0x208/0x5cc [qeth]
([<000003c000d04c4a>] qeth_determine_capabilities+0x1de/0x5cc [qeth])
[<000003c000d0a6e0>] qeth_core_hardsetup_card+0x160/0x1258 [qeth]
[<000003c000f49f56>] __qeth_l3_set_online+0x132/0xb14 [qeth_l3]
[<000003c000f4ac70>] qeth_l3_recover+0x168/0x224 [qeth_l3]
[<000000000016e210>] kthread+0xa4/0xac
[<0000000000109c6e>] kernel_thread_starter+0x6/0xc
[<0000000000109c68>] kernel_thread_starter+0x0/0xc

The patch forbids start of a recovery once qeth shutdown is running.

Signed-off-by: Ursula Braun <ursula.braun@de.ibm.com>
Signed-off-by: Frank Blaschka <frank.blaschka@de.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2011-12-20 14:05:04 -05:00
..
claw.c [S390] fix mismatch in summation of I/O IRQ statistics 2011-10-30 15:16:15 +01:00
claw.h claw: rename READ/WRITE defines to avoid redefinitions 2010-08-12 16:04:22 -07:00
ctcm_dbug.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
ctcm_dbug.h
ctcm_fsms.c Fix common misspellings 2011-03-31 11:26:23 -03:00
ctcm_fsms.h s390: remove cu3088 layer for lcs and ctcm 2009-11-13 20:47:00 -08:00
ctcm_main.c [S390] fix mismatch in summation of I/O IRQ statistics 2011-10-30 15:16:15 +01:00
ctcm_main.h ctcm: rename READ/WRITE defines to avoid redefinitions 2010-08-12 16:04:23 -07:00
ctcm_mpc.c ctcm: get rid of compile warning 2011-05-13 14:55:20 -04:00
ctcm_mpc.h net: remove interrupt.h inclusion from netdevice.h 2011-06-06 22:55:11 -07:00
ctcm_sysfs.c [S390] sparse: fix sparse static warnings 2011-10-30 15:16:46 +01:00
fsm.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
fsm.h atomic: use <linux/atomic.h> 2011-07-26 16:49:47 -07:00
Kconfig net: Fix references to deleted NET_ETHERNET Kconfig setting. 2011-11-09 19:26:53 -05:00
lcs.c net: Fix references to deleted NET_ETHERNET Kconfig setting. 2011-11-09 19:26:53 -05:00
lcs.h s390: remove cu3088 layer for lcs and ctcm 2009-11-13 20:47:00 -08:00
Makefile [S390] smsgiucv_app: deliver z/VM CP special messages (SMSG) as uevents 2010-03-08 12:26:28 +01:00
netiucv.c netiucv: reinsert dev_alloc_name for device naming 2011-11-16 17:28:10 -05:00
qeth_core_main.c qeth: remove WARN_ON leftover 2011-11-16 17:28:04 -05:00
qeth_core_mpc.c
qeth_core_mpc.h qeth: add OSA concurrent hardware trap 2011-05-13 14:55:20 -04:00
qeth_core_sys.c qeth: add OSA concurrent hardware trap 2011-05-13 14:55:20 -04:00
qeth_core.h qeth: Reduce CPU consumption through less SIGA-r calls 2011-11-16 17:28:20 -05:00
qeth_l2_main.c qeth: forbid recovery during shutdown 2011-12-20 14:05:04 -05:00
qeth_l3_main.c qeth: forbid recovery during shutdown 2011-12-20 14:05:04 -05:00
qeth_l3_sys.c qeth: return with -EPERM if sniffing is not enabled 2011-11-16 17:27:59 -05:00
qeth_l3.h qeth: add support for af_iucv HiperSockets transport 2011-08-13 01:10:17 -07:00
smsgiucv_app.c [S390] cmm, smsgiucv_app: convert sender to uppercase 2010-08-09 18:12:54 +02:00
smsgiucv.c s390: Fix possibly wrong size in strncmp (smsgiucv) 2011-02-02 15:00:02 -08:00
smsgiucv.h [S390] smsgiucv_app: deliver z/VM CP special messages (SMSG) as uevents 2010-03-08 12:26:28 +01:00