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SubjectRe: [patch] Real-Time Preemption, -RT-2.6.10-rc2-mm1-V0.7.28-0
From
Date
On Thu, 2004-11-18 at 16:54 +0100, Ingo Molnar wrote:
> * Christian Meder <chris@onestepahead.de> wrote:
>
> > after successfully running the last couple of rt patches on my Dell
> > Inspiron laptop I thought I'd give it a try on my combined vdr/router
> > box which is probably more interesting from a rt point of view. This
> > box is bridging wireless/ADSL and working as a digital vdr using the
> > kernel DVB-S drivers.
> >
> > I got the appended logging messages with the appended config. Is
> > there anything else I should provide for debugging purposes or are the
> > messages just harmless ?
>
> the messages mean that i havent converted the bridge code's RCU locking
> to PREEMPT_RT yet. I've done this in the -V0.7.28-2 patch that i've just
> uploaded to:
>
> http://redhat.com/~mingo/realtime-preempt/
>
> does bridging work fine with this patch, and if yes, do you get any
> (other) warning messages?

Thanks, will try soon and report. There was another trace in my log of
the vdr/router box which seemed unrelated to the bridging traces.


Christian


Nov 17 22:44:41 verena kernel: dvb-ttpci: found av7110-0.
Nov 17 22:44:43 verena kernel: ves1x93: Detected ves1893a rev2
Nov 17 22:44:43 verena kernel: DVB: registering frontend 0 (VES1893)...
Nov 17 22:44:44 verena kernel:
Nov 17 22:44:44 verena kernel:
==========================================
Nov 17 22:44:44 verena kernel: [ BUG: lock recursion deadlock detected!
Nov 17 22:44:44 verena kernel:
------------------------------------------
Nov 17 22:44:44 verena kernel: already locked: [c9c8fa10] {&fe->sem}
Nov 17 22:44:44 verena kernel: .. held by: vdr: 2147
[ca3a6950, 118]
Nov 17 22:44:44 verena kernel: ... acquired at: dvb_frontend_start
+0x75/0x100
Nov 17 22:44:44 verena kernel:
Nov 17 22:44:44 verena kernel: ------------------------------
Nov 17 22:44:44 verena kernel: | showing all locks held by: | (vdr/2147
[ca3a6950, 118]):
Nov 17 22:44:44 verena kernel: ------------------------------
Nov 17 22:44:44 verena kernel:
Nov 17 22:44:44 verena kernel: #001: [c9c8fa10] {&fe->sem}
Nov 17 22:44:44 verena kernel: ... acquired at: dvb_frontend_start
+0x75/0x100
Nov 17 22:44:44 verena kernel:
Nov 17 22:44:44 verena kernel: #002: [c045e444]
{kernel_sem.lock}
Nov 17 22:44:44 verena kernel: ... acquired at: lock_kernel+0x27/0x50
Nov 17 22:44:44 verena kernel:
Nov 17 22:44:44 verena kernel: -{current task's
backtrace}----------------->
Nov 17 22:44:44 verena kernel: [check_deadlock+608/640] check_deadlock
+0x260/0x280 (8)
Nov 17 22:44:44 verena kernel: [dvb_frontend_ioctl+171/832]
dvb_frontend_ioctl+0xab/0x340 (28)
Nov 17 22:44:44 verena kernel: [dvb_frontend_ioctl+171/832]
dvb_frontend_ioctl+0xab/0x340 (8)
Nov 17 22:44:44 verena kernel: [task_blocks_on_lock+243/256]
task_blocks_on_lock+0xf3/0x100 (12)
Nov 17 22:44:44 verena kernel: [dvb_frontend_ioctl+171/832]
dvb_frontend_ioctl+0xab/0x340 (16)
Nov 17 22:44:44 verena kernel: [__down_interruptible+534/1072]
__down_interruptible+0x216/0x430 (4)
Nov 17 22:44:44 verena kernel: [dvb_frontend_ioctl+171/832]
dvb_frontend_ioctl+0xab/0x340 (4)
Nov 17 22:44:44 verena kernel: [pg0+264556013/1068020736]
av7110_send_fw_cmd+0x4d/0xc0 [dvb_ttpci] (12)
Nov 17 22:44:44 verena kernel: [up+190/256] up+0xbe/0x100 (24)
Nov 17 22:44:44 verena kernel: [down_interruptible+173/480]
down_interruptible+0xad/0x1e0 (36)
Nov 17 22:44:44 verena kernel: [lru_cache_add_active+13/64]
lru_cache_add_active+0xd/0x40 (4)
Nov 17 22:44:44 verena kernel: [dvb_frontend_ioctl+171/832]
dvb_frontend_ioctl+0xab/0x340 (40)
Nov 17 22:44:44 verena kernel: [__kmalloc+133/272] __kmalloc+0x85/0x110
(52)
Nov 17 22:44:44 verena kernel: [dvb_usercopy+132/272] dvb_usercopy
+0x84/0x110 (32)
Nov 17 22:44:44 verena kernel: [__down+470/800] __down+0x1d6/0x320 (44)
Nov 17 22:44:44 verena kernel: [lock_kernel+39/80] lock_kernel
+0x27/0x50 (4)
Nov 17 22:44:44 verena kernel: [__down_mutex+470/864] __down_mutex
+0x1d6/0x360 (12)
Nov 17 22:44:44 verena kernel: [fget+47/96] fget+0x2f/0x60 (4)
Nov 17 22:44:44 verena kernel: [__down_mutex+470/864] __down_mutex
+0x1d6/0x360 (4)
Nov 17 22:44:44 verena kernel: [kmem_cache_free+53/208] kmem_cache_free
+0x35/0xd0 (4)
Nov 17 22:44:44 verena kernel: [down+173/480] down+0xad/0x1e0 (48)
Nov 17 22:44:44 verena kernel: [fget+72/96] fget+0x48/0x60 (16)
Nov 17 22:44:44 verena kernel: [dvb_generic_ioctl+62/80]
dvb_generic_ioctl+0x3e/0x50 (24)
Nov 17 22:44:44 verena kernel: [dvb_frontend_ioctl+0/832]
dvb_frontend_ioctl+0x0/0x340 (8)
Nov 17 22:44:44 verena kernel: [sys_ioctl+184/528] sys_ioctl+0xb8/0x210
(12)
Nov 17 22:44:44 verena kernel: [syscall_call+7/11] syscall_call+0x7/0xb
(36)
Nov 17 22:44:44 verena kernel: ---------------------------
Nov 17 22:44:44 verena kernel: | preempt count: 00000002 ]
Nov 17 22:44:44 verena kernel: | 2-level deep critical section nesting:
Nov 17 22:44:44 verena kernel: ----------------------------------------
Nov 17 22:44:44 verena kernel: .. [__down_interruptible+1057/1072] ....
__down_interruptible+0x421/0x430
Nov 17 22:44:44 verena kernel: .....[<00000000>] .. ( <= 0x0)
Nov 17 22:44:44 verena kernel: .. [print_traces+13/64] .... print_traces
+0xd/0x40
Nov 17 22:44:44 verena kernel: .....[<00000000>] .. ( <= 0x0)
Nov 17 22:44:44 verena kernel:
Nov 17 22:44:44 verena kernel:
Nov 17 22:44:44 verena kernel: showing all tasks:
Nov 17 22:44:44 verena kernel: s init: 1 [c1239370, 116]
(not blocked)
Nov 17 22:44:44 verena kernel: s IRQ 0: 2 [c1238d00, 50]
(not blocked)
Nov 17 22:44:44 verena kernel: s ksoftirqd/0: 3 [c1238690, 105]
(not blocked)
Nov 17 22:44:44 verena kernel: s desched/0: 4 [c1238020, 105]
(not blocked)
Nov 17 22:44:44 verena kernel: s events/0: 5 [cf7db390, 98]
(not blocked)
Nov 17 22:44:44 verena kernel: s khelper: 6 [cf7dad20, 113]
(not blocked)
Nov 17 22:44:44 verena kernel: s kthread: 11 [cf7da6b0, 110]
(not blocked)
Nov 17 22:44:44 verena kernel: s kacpid: 19 [cf7da040, 120]
(not blocked)
Nov 17 22:44:44 verena kernel: s IRQ 11: 20 [cf64d3b0, 58]
(not blocked)
Nov 17 22:44:44 verena kernel: s kblockd/0: 91 [cf64cd40, 110]
(not blocked)
Nov 17 22:44:44 verena kernel: s khubd: 104 [cf64c6d0, 115]
(not blocked)
Nov 17 22:44:44 verena kernel: s pdflush: 183 [cf64c060, 117]
(not blocked)
Nov 17 22:44:44 verena kernel: s pdflush: 184 [cf6c53d0, 115]
(not blocked)
Nov 17 22:44:44 verena kernel: s aio/0: 186 [cf6c46f0, 112]
(not blocked)
Nov 17 22:44:44 verena kernel: s kswapd0: 185 [cf6c4d60, 125]
(not blocked)
Nov 17 22:44:44 verena kernel: s IRQ 8: 775 [cf6c4080, 56]
(not blocked)
Nov 17 22:44:44 verena kernel: s IRQ 12: 785 [c139ed80, 54]
(not blocked)
Nov 17 22:44:44 verena kernel: s IRQ 7: 804 [c139e710, 112]
(not blocked)
Nov 17 22:44:44 verena kernel: s kseriod: 779 [c139f3f0, 125]
(not blocked)
Nov 17 22:44:44 verena kernel: s IRQ 6: 807 [c139e0a0, 51]
(not blocked)
Nov 17 22:44:44 verena kernel: s IRQ 14: 821 [c13e9450, 52]
(not blocked)
Nov 17 22:44:44 verena kernel: s IRQ 15: 824 [c13dc0e0, 53]
(not blocked)
Nov 17 22:44:44 verena kernel: s scsi_eh_0: 837 [c13dcdc0, 117]
blocked on: [c13e1fac] {sem.lock}
Nov 17 22:44:44 verena kernel: .. held by: scsi_eh_0: 837
[c13dcdc0, 117]
Nov 17 22:44:44 verena kernel: ... acquired at: scsi_error_handler
+0x50/0x100
Nov 17 22:44:44 verena kernel: s IRQ 1: 864 [c13cd410, 55]
(not blocked)
Nov 17 22:44:44 verena kernel: s kjournald: 903 [c13e8770, 115]
(not blocked)
Nov 17 22:44:44 verena kernel: s IRQ 5: 1074 [c13dc750, 57]
(not blocked)
Nov 17 22:44:44 verena kernel: s IRQ 10: 1116 [c13e8100, 59]
(not blocked)
Nov 17 22:44:44 verena kernel: s kjournald: 1153 [cf439470, 120]
(not blocked)
Nov 17 22:44:44 verena kernel: s portmap: 1320 [ce6ace20, 115]
(not blocked)
Nov 17 22:44:44 verena kernel: s IRQ 4: 1328 [c13cc0c0, 112]
(not blocked)
Nov 17 22:44:44 verena kernel: s IRQ 3: 1331 [cf438e00, 112]
(not blocked)
Nov 17 22:44:44 verena kernel: s syslogd: 1433 [c13ccda0, 116]
(not blocked)
Nov 17 22:44:44 verena kernel: s klogd: 1436 [ce6ac7b0, 116]
(not blocked)
Nov 17 22:44:44 verena kernel: s pppd: 1448 [cdbb2e40, 116]
(not blocked)
Nov 17 22:44:44 verena kernel: s pppoe: 1451 [c13dd430, 116]
(not blocked)
Nov 17 22:44:44 verena kernel: s gnugk: 1484 [c13e8de0, 116]
(not blocked)
Nov 17 22:44:44 verena kernel: s gnugk: 1508 [cd366e60, 120]
(not blocked)
Nov 17 22:44:44 verena kernel: s gnugk: 1509 [cd3667f0, 116]
(not blocked)
Nov 17 22:44:44 verena kernel: s gnugk: 1510 [cd366180, 120]
(not blocked)
Nov 17 22:44:44 verena kernel: s gnugk: 1511 [cc5014f0, 120]
(not blocked)
Nov 17 22:44:44 verena kernel: s inetd: 1489 [cdbb34b0, 122]
(not blocked)
Nov 17 22:44:44 verena kernel: s jabberd: 1492 [ce6ad490, 116]
(not blocked)
Nov 17 22:44:44 verena kernel: s ip-up: 1502 [cd3674d0, 118]
(not blocked)
Nov 17 22:44:44 verena kernel: s run-parts: 1504 [cdbb27d0, 118]
(not blocked)
Nov 17 22:44:44 verena kernel: s exim: 1506 [cdbb2160, 119]
(not blocked)
Nov 17 22:44:44 verena kernel: s exim: 1507 [cf438120, 116]
(not blocked)
Nov 17 22:44:44 verena kernel: s jabberd: 1516 [cc5001a0, 116]
(not blocked)
Nov 17 22:44:44 verena kernel: s jabberd: 1519 [c13cc730, 116]
(not blocked)
Nov 17 22:44:44 verena kernel: s nfsd: 1907 [cc500e80, 119]
(not blocked)
Nov 17 22:44:44 verena kernel: s nfsd: 1908 [cc58eea0, 119]
(not blocked)
Nov 17 22:44:44 verena kernel: s nfsd: 1909 [cc58e830, 119]
(not blocked)
Nov 17 22:44:44 verena kernel: s nfsd: 1910 [cf438790, 119]
(not blocked)
Nov 17 22:44:44 verena kernel: s nfsd: 1911 [cc58e1c0, 119]
(not blocked)
Nov 17 22:44:44 verena kernel: s nfsd: 1912 [cc7a7530, 120]
(not blocked)
Nov 17 22:44:44 verena kernel: s nfsd: 1913 [cc7a6ec0, 116]
(not blocked)
Nov 17 22:44:44 verena kernel: s nfsd: 1914 [cc7a6850, 116]
(not blocked)
Nov 17 22:44:44 verena kernel: s lockd: 1916 [cc7a61e0, 121]
(not blocked)
Nov 17 22:44:44 verena kernel: s rpciod/0: 1917 [cc783550, 111]
(not blocked)
Nov 17 22:44:44 verena kernel: s rpc.mountd: 1920 [cc782ee0, 119]
(not blocked)
Nov 17 22:44:44 verena kernel: s postmaster: 1962 [cc58f510, 116]
(not blocked)
Nov 17 22:44:44 verena kernel: s postmaster: 1966 [cc7fc890, 121]
(not blocked)
Nov 17 22:44:44 verena kernel: s postmaster: 1967 [cc7fcf00, 122]
(not blocked)
Nov 17 22:44:44 verena kernel: s slpd: 1981 [cc7fd570, 120]
(not blocked)
Nov 17 22:44:44 verena kernel: s sshd: 1987 [cc500810, 120]
(not blocked)
Nov 17 22:44:44 verena kernel: s vdrconvert.sh: 1996 [cbcd8f20, 135]
(not blocked)
Nov 17 22:44:44 verena kernel: s rpc.statd: 2004 [cc782870, 117]
(not blocked)
Nov 17 22:44:44 verena kernel: s Xvfb: 2005 [cbcd9590, 131]
(not blocked)
Nov 17 22:44:44 verena kernel: s atd: 2018 [cbcd8240, 118]
(not blocked)
Nov 17 22:44:44 verena kernel: s cron: 2021 [cc782200, 118]
(not blocked)
Nov 17 22:44:44 verena kernel: s fcron: 2024 [cbee6f40, 118]
(not blocked)
Nov 17 22:44:44 verena kernel: s apache: 2031 [cbee68d0, 116]
(not blocked)
Nov 17 22:44:44 verena kernel: s vdr: 2039 [cb1f4f60, 118]
(not blocked)
Nov 17 22:44:44 verena kernel: s getty: 2040 [cb1f48f0, 117]
(not blocked)
Nov 17 22:44:44 verena kernel: s getty: 2043 [ce6ac140, 117]
(not blocked)
Nov 17 22:44:44 verena kernel: s getty: 2044 [cbee75b0, 117]
(not blocked)
Nov 17 22:44:44 verena kernel: s getty: 2045 [cbcd88b0, 117]
(not blocked)
Nov 17 22:44:44 verena kernel: s getty: 2046 [cb1f55d0, 117]
(not blocked)
Nov 17 22:44:44 verena kernel: s lircd: 2059 [cbee6260, 118]
(not blocked)
Nov 17 22:44:44 verena kernel: s wait2enc.py: 2060 [cb2815f0, 135]
(not blocked)
Nov 17 22:44:44 verena kernel: s apache: 2063 [cb280f80, 119]
(not blocked)
Nov 17 22:44:44 verena kernel: s apache: 2064 [cb280910, 120]
(not blocked)
Nov 17 22:44:44 verena kernel: s apache: 2065 [cb2802a0, 121]
(not blocked)
Nov 17 22:44:44 verena kernel: s apache: 2066 [caead610, 122]
(not blocked)
Nov 17 22:44:44 verena kernel: s apache: 2067 [caeacfa0, 123]
(not blocked)
Nov 17 22:44:44 verena kernel: s vdradmind.pl: 2078 [caeac2c0, 118]
(not blocked)
Nov 17 22:44:44 verena kernel: s runvdr: 2079 [cb1f4280, 118]
(not blocked)
Nov 17 22:44:44 verena kernel: s arm_mon: 2119 [ca3a7630, 119]
(not blocked)
Nov 17 22:44:44 verena kernel: s sleep: 2139 [c9de0fe0, 136]
(not blocked)
Nov 17 22:44:44 verena kernel: s vdr: 2147 [ca3a6950, 118]
(not blocked)
Nov 17 22:44:44 verena kernel: R vdr: 2148 [caeac930, 119]
(not blocked)
Nov 17 22:44:44 verena kernel:
Nov 17 22:44:44 verena kernel: ---------------------------
Nov 17 22:44:44 verena kernel: | showing all locks held: |
Nov 17 22:44:44 verena kernel: ---------------------------
Nov 17 22:44:44 verena kernel:
Nov 17 22:44:44 verena kernel: #001: [c053ee6c]
{&hwif->gendev_rel_sem}
Nov 17 22:44:44 verena kernel: .. held by: swapper: 0
[c044cd80, 140]
Nov 17 22:44:44 verena kernel: ... acquired at: init_hwif_data
+0x8e/0x180
Nov 17 22:44:44 verena kernel:
Nov 17 22:44:44 verena kernel: #002: [c053ea90]
{&drive->gendev_rel_sem}
Nov 17 22:44:44 verena kernel: .. held by: swapper: 0
[c044cd80, 140]
Nov 17 22:44:44 verena kernel: ... acquired at: init_hwif_data
+0x160/0x180
Nov 17 22:44:44 verena kernel:
Nov 17 22:44:44 verena kernel: #003: [c053ec64]
{&drive->gendev_rel_sem}
Nov 17 22:44:44 verena kernel: .. held by: swapper: 0
[c044cd80, 140]
Nov 17 22:44:44 verena kernel: ... acquired at: init_hwif_data
+0x160/0x180
Nov 17 22:44:44 verena kernel:
Nov 17 22:44:44 verena kernel: #004: [c053f4b4]
{&hwif->gendev_rel_sem}
Nov 17 22:44:44 verena kernel: .. held by: swapper: 0
[c044cd80, 140]
Nov 17 22:44:44 verena kernel: ... acquired at: init_hwif_data
+0x8e/0x180
Nov 17 22:44:44 verena kernel:
Nov 17 22:44:44 verena kernel: #005: [c053f0d8]
{&drive->gendev_rel_sem}
Nov 17 22:44:44 verena kernel: .. held by: swapper: 0
[c044cd80, 140]
Nov 17 22:44:44 verena kernel: ... acquired at: init_hwif_data
+0x160/0x180
Nov 17 22:44:44 verena kernel:
Nov 17 22:44:44 verena kernel: #006: [c053f2ac]
{&drive->gendev_rel_sem}
Nov 17 22:44:44 verena kernel: .. held by: swapper: 0
[c044cd80, 140]
Nov 17 22:44:44 verena kernel: ... acquired at: init_hwif_data
+0x160/0x180
Nov 17 22:44:44 verena kernel:
Nov 17 22:44:44 verena kernel: #007: [c053fafc]
{&hwif->gendev_rel_sem}
Nov 17 22:44:44 verena kernel: .. held by: swapper: 0
[c044cd80, 140]
Nov 17 22:44:44 verena kernel: ... acquired at: init_hwif_data
+0x8e/0x180
Nov 17 22:44:44 verena kernel:
Nov 17 22:44:44 verena kernel: #008: [c053f720]
{&drive->gendev_rel_sem}
Nov 17 22:44:44 verena kernel: .. held by: swapper: 0
[c044cd80, 140]
Nov 17 22:44:44 verena kernel: ... acquired at: init_hwif_data
+0x160/0x180
Nov 17 22:44:44 verena kernel:
Nov 17 22:44:44 verena kernel: #009: [c053f8f4]
{&drive->gendev_rel_sem}
Nov 17 22:44:44 verena kernel: .. held by: swapper: 0
[c044cd80, 140]
Nov 17 22:44:44 verena kernel: ... acquired at: init_hwif_data
+0x160/0x180
Nov 17 22:44:44 verena kernel:
Nov 17 22:44:44 verena kernel: #010: [c0540144]
{&hwif->gendev_rel_sem}
Nov 17 22:44:44 verena kernel: .. held by: swapper: 0
[c044cd80, 140]
Nov 17 22:44:44 verena kernel: ... acquired at: init_hwif_data
+0x8e/0x180
Nov 17 22:44:44 verena kernel:
Nov 17 22:44:44 verena kernel: #011: [c053fd68]
{&drive->gendev_rel_sem}
Nov 17 22:44:44 verena kernel: .. held by: swapper: 0
[c044cd80, 140]
Nov 17 22:44:44 verena kernel: ... acquired at: init_hwif_data
+0x160/0x180
Nov 17 22:44:44 verena kernel:
Nov 17 22:44:44 verena kernel: #012: [c053ff3c]
{&drive->gendev_rel_sem}
Nov 17 22:44:44 verena kernel: .. held by: swapper: 0
[c044cd80, 140]
Nov 17 22:44:44 verena kernel: ... acquired at: init_hwif_data
+0x160/0x180
Nov 17 22:44:44 verena kernel:
Nov 17 22:44:44 verena kernel: #013: [c054078c]
{&hwif->gendev_rel_sem}
Nov 17 22:44:44 verena kernel: .. held by: swapper: 0
[c044cd80, 140]
Nov 17 22:44:44 verena kernel: ... acquired at: init_hwif_data
+0x8e/0x180
Nov 17 22:44:44 verena kernel:
Nov 17 22:44:44 verena kernel: #014: [c05403b0]
{&drive->gendev_rel_sem}
Nov 17 22:44:44 verena kernel: .. held by: swapper: 0
[c044cd80, 140]
Nov 17 22:44:44 verena kernel: ... acquired at: init_hwif_data
+0x160/0x180
Nov 17 22:44:44 verena kernel:
Nov 17 22:44:44 verena kernel: #015: [c0540584]
{&drive->gendev_rel_sem}
Nov 17 22:44:44 verena kernel: .. held by: swapper: 0
[c044cd80, 140]
Nov 17 22:44:44 verena kernel: ... acquired at: init_hwif_data
+0x160/0x180
Nov 17 22:44:44 verena kernel:
Nov 17 22:44:44 verena kernel: #016: [c0540dd4]
{&hwif->gendev_rel_sem}
Nov 17 22:44:44 verena kernel: .. held by: swapper: 0
[c044cd80, 140]
Nov 17 22:44:44 verena kernel: ... acquired at: init_hwif_data
+0x8e/0x180
Nov 17 22:44:44 verena kernel:
Nov 17 22:44:44 verena kernel: #017: [c05409f8]
{&drive->gendev_rel_sem}
Nov 17 22:44:44 verena kernel: .. held by: swapper: 0
[c044cd80, 140]
Nov 17 22:44:44 verena kernel: ... acquired at: init_hwif_data
+0x160/0x180
Nov 17 22:44:44 verena kernel:
Nov 17 22:44:44 verena kernel: #018: [c0540bcc]
{&drive->gendev_rel_sem}
Nov 17 22:44:44 verena kernel: .. held by: swapper: 0
[c044cd80, 140]
Nov 17 22:44:44 verena kernel: ... acquired at: init_hwif_data
+0x160/0x180
Nov 17 22:44:44 verena kernel:
Nov 17 22:44:44 verena kernel: #019: [c054141c]
{&hwif->gendev_rel_sem}
Nov 17 22:44:44 verena kernel: .. held by: swapper: 0
[c044cd80, 140]
Nov 17 22:44:44 verena kernel: ... acquired at: init_hwif_data
+0x8e/0x180
Nov 17 22:44:44 verena kernel:
Nov 17 22:44:44 verena kernel: #020: [c0541040]
{&drive->gendev_rel_sem}
Nov 17 22:44:44 verena kernel: .. held by: swapper: 0
[c044cd80, 140]
Nov 17 22:44:44 verena kernel: ... acquired at: init_hwif_data
+0x160/0x180
Nov 17 22:44:44 verena kernel:
Nov 17 22:44:44 verena kernel: #021: [c0541214]
{&drive->gendev_rel_sem}
Nov 17 22:44:44 verena kernel: .. held by: swapper: 0
[c044cd80, 140]
Nov 17 22:44:44 verena kernel: ... acquired at: init_hwif_data
+0x160/0x180
Nov 17 22:44:44 verena kernel:
Nov 17 22:44:44 verena kernel: #022: [c0541a64]
{&hwif->gendev_rel_sem}
Nov 17 22:44:44 verena kernel: .. held by: swapper: 0
[c044cd80, 140]
Nov 17 22:44:44 verena kernel: ... acquired at: init_hwif_data
+0x8e/0x180
Nov 17 22:44:44 verena kernel:
Nov 17 22:44:44 verena kernel: #023: [c0541688]
{&drive->gendev_rel_sem}
Nov 17 22:44:44 verena kernel: .. held by: swapper: 0
[c044cd80, 140]
Nov 17 22:44:44 verena kernel: ... acquired at: init_hwif_data
+0x160/0x180
Nov 17 22:44:44 verena kernel:
Nov 17 22:44:44 verena kernel: #024: [c054185c]
{&drive->gendev_rel_sem}
Nov 17 22:44:44 verena kernel: .. held by: swapper: 0
[c044cd80, 140]
Nov 17 22:44:44 verena kernel: ... acquired at: init_hwif_data
+0x160/0x180
Nov 17 22:44:44 verena kernel:
Nov 17 22:44:44 verena kernel: #025: [c05420ac]
{&hwif->gendev_rel_sem}
Nov 17 22:44:44 verena kernel: .. held by: swapper: 0
[c044cd80, 140]
Nov 17 22:44:44 verena kernel: ... acquired at: init_hwif_data
+0x8e/0x180
Nov 17 22:44:44 verena kernel:
Nov 17 22:44:44 verena kernel: #026: [c0541cd0]
{&drive->gendev_rel_sem}
Nov 17 22:44:44 verena kernel: .. held by: swapper: 0
[c044cd80, 140]
Nov 17 22:44:44 verena kernel: ... acquired at: init_hwif_data
+0x160/0x180
Nov 17 22:44:44 verena kernel:
Nov 17 22:44:44 verena kernel: #027: [c0541ea4]
{&drive->gendev_rel_sem}
Nov 17 22:44:44 verena kernel: .. held by: swapper: 0
[c044cd80, 140]
Nov 17 22:44:44 verena kernel: ... acquired at: init_hwif_data
+0x160/0x180
Nov 17 22:44:44 verena kernel:
Nov 17 22:44:44 verena kernel: #028: [c05426f4]
{&hwif->gendev_rel_sem}
Nov 17 22:44:44 verena kernel: .. held by: swapper: 0
[c044cd80, 140]
Nov 17 22:44:44 verena kernel: ... acquired at: init_hwif_data
+0x8e/0x180
Nov 17 22:44:44 verena kernel:
Nov 17 22:44:44 verena kernel: #029: [c0542318]
{&drive->gendev_rel_sem}
Nov 17 22:44:44 verena kernel: .. held by: swapper: 0
[c044cd80, 140]
Nov 17 22:44:44 verena kernel: ... acquired at: init_hwif_data
+0x160/0x180
Nov 17 22:44:44 verena kernel:
Nov 17 22:44:44 verena kernel: #030: [c05424ec]
{&drive->gendev_rel_sem}
Nov 17 22:44:44 verena kernel: .. held by: swapper: 0
[c044cd80, 140]
Nov 17 22:44:44 verena kernel: ... acquired at: init_hwif_data
+0x160/0x180
Nov 17 22:44:44 verena kernel:
Nov 17 22:44:44 verena kernel: #031: [ccd3dcf0]
{&tty->atomic_read}
Nov 17 22:44:44 verena kernel: .. held by: getty: 2040
[cb1f48f0, 117]
Nov 17 22:44:44 verena kernel: ... acquired at: read_chan+0x6f1/0x750
Nov 17 22:44:44 verena kernel:
Nov 17 22:44:44 verena kernel: #032: [cd66acf0]
{&tty->atomic_read}
Nov 17 22:44:44 verena kernel: .. held by: getty: 2044
[cbee75b0, 117]
Nov 17 22:44:44 verena kernel: ... acquired at: read_chan+0x6f1/0x750
Nov 17 22:44:44 verena kernel:
Nov 17 22:44:44 verena kernel: #033: [cda85cf0]
{&tty->atomic_read}
Nov 17 22:44:44 verena kernel: .. held by: getty: 2045
[cbcd88b0, 117]
Nov 17 22:44:44 verena kernel: ... acquired at: read_chan+0x6f1/0x750
Nov 17 22:44:44 verena kernel:
Nov 17 22:44:44 verena kernel: #034: [cdfe6cf0]
{&tty->atomic_read}
Nov 17 22:44:44 verena kernel: .. held by: getty: 2046
[cb1f55d0, 117]
Nov 17 22:44:44 verena kernel: ... acquired at: read_chan+0x6f1/0x750
Nov 17 22:44:44 verena kernel:
Nov 17 22:44:44 verena kernel: #035: [cb22ccf0]
{&tty->atomic_read}
Nov 17 22:44:44 verena kernel: .. held by: getty: 2043
[ce6ac140, 117]
Nov 17 22:44:44 verena kernel: ... acquired at: read_chan+0x6f1/0x750
Nov 17 22:44:44 verena kernel:
Nov 17 22:44:44 verena kernel: #036: [c9c8fa10] {&fe->sem}
Nov 17 22:44:44 verena kernel: .. held by: vdr: 2147
[ca3a6950, 118]
Nov 17 22:44:44 verena kernel: ... acquired at: dvb_frontend_start
+0x75/0x100
Nov 17 22:44:44 verena kernel:
Nov 17 22:44:44 verena kernel: #037: [c045e444]
{kernel_sem.lock}
Nov 17 22:44:44 verena kernel: .. held by: vdr: 2147
[ca3a6950, 118]
Nov 17 22:44:44 verena kernel: ... acquired at: lock_kernel+0x27/0x50
Nov 17 22:44:44 verena kernel:
=============================================
Nov 17 22:44:44 verena kernel:
Nov 17 22:44:44 verena kernel: [ turning off deadlock detection. Please
report this trace. ]

--
Christian Meder, email: chris@onestepahead.de

The Way-Seeking Mind of a tenzo is actualized
by rolling up your sleeves.

(Eihei Dogen Zenji)

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