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Re: kern/49148: usmsc0: warning: Failed to write register 0x14 on Raspberry Pi
The following reply was made to PR kern/49148; it has been noted by GNATS.
From: Jeff Rizzo <riz%NetBSD.org@localhost>
To: gnats-bugs%NetBSD.org@localhost
Cc:
Subject: Re: kern/49148: usmsc0: warning: Failed to write register 0x14 on
Raspberry Pi
Date: Mon, 25 Aug 2014 09:15:51 -0700
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I wasn't sure what was "interesting". Here's a ps/l and the backtrace
of a couple LWPs. This is very reproducible right now.
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usmsc0: warning: Failed to write register 0x14
usmsc0: warning: Failed to read register 0x14
usmsc0: warning: timed-out waiting for reset to complete
usmsc0: error: smsc_chip_init failed (err=15)
ukphy0: detached
usmsc0: detached
usmsc0: at uhub1 port 1 (addr 3) disconnected
uhub1: detached
uhub1: at uhub0 port 1 (addr 2) disconnected
^AddStopped in pid 0.2 (system) at netbsd:cpu_Debugger+0x4: bx r14
db> ps/l
PID LID S CPU FLAGS STRUCT LWP * NAME WAIT
6699 1 3 0 80 c6e5abc0 ntpd nanoslp
1708 1 3 0 80 cb79c080 ntpd pause
10922 1 3 0 80 c6e5b400 as pipe_rd
11813 1 3 0 0 c6e5b6c0 cc1 nfscn2
9181 1 3 0 80 c6e5ae80 gcc wait
7495 1 3 0 80 c9cac0a0 sh wait
11418 1 3 0 80 c9cac360 sh wait
7079 1 3 0 80 c9cac8e0 make wait
26756 1 3 0 80 c6e5b140 sh wait
28401 1 3 0 80 cbd28e20 make wait
10069 1 3 0 80 c9cacba0 sh wait
7931 1 3 0 80 c6e5b980 make wait
12165 1 3 0 80 c9cac620 sh wait
6204 1 3 0 80 cb79d3c0 sh wait
23411 1 3 0 80 cbd290e0 make wait
10846 1 3 0 80 c6e5bc40 sh wait
131 1 3 0 80 cbd285e0 sh wait
9417 1 3 0 80 c9cace60 make wait
25234 1 3 0 80 cbd293a0 sh wait
7387 1 3 0 80 cbd288a0 sh wait
1337 1 3 0 80 cbd28320 make wait
15123 1 3 0 80 cb79c8c0 ksh pause
20982 1 3 0 80 cbd28b60 sh wait
21283 1 3 0 80 cb79dc00 sh wait
18212 1 3 0 80 cbd28060 sh wait
16882 1 3 0 80 cb79c340 pickup kqueue
2391 1 3 0 80 cbd29660 login wait
2030 1 3 0 80 c9cad6a0 cron nanoslp
2015 1 3 0 80 c9cad120 inetd kqueue
2046 1 3 0 80 c9cad960 qmgr kqueue
2170 1 3 0 80 c9cad3e0 master kqueue
2036 1 3 0 80 c9cadc20 sshd select
985 1 3 0 80 cb79d680 syslogd kqueue
829 1 3 0 80 cb79d940 dhcpcd select
1 1 3 0 80 cbdbf380 init wait
0 50 3 0 200 cb79c600 nfsio nfsiod
0 49 3 0 200 cb79cb80 nfsio nfsiod
0 48 3 0 200 cb79ce40 nfsio nfsiod
0 47 3 0 200 cb79d100 nfsio nfsiod
0 46 3 0 200 cbede2e0 physiod physiod
0 45 3 0 280 cbd29920 VCHIQka-0 lnxcmplt
0 44 3 0 200 cbd29be0 aiodoned aiodoned
0 43 3 0 200 cbdbe040 ioflush syncer
0 42 3 0 200 cbdbf900 pgdaemon pgdaemon
0 41 3 0 200 cbdbe300 vcaudiowq vcaudiowq
0 40 3 0 280 cbdbe5c0 VCHIQs-0 semacv
0 39 3 0 280 cbede020 VCHIQr-0 semacv
0 38 3 0 280 cbdbfbc0 VCHIQ-0 semacv
0 35 3 0 200 cbdbf640 usb0 usbevt
0 33 3 0 200 cbdbf0c0 unpgc unpgc
0 32 3 0 200 cbdbee00 vmem_rehash vmem_rehash
0 31 3 0 200 cbdbe880 sdmmc0 mmctaskq
0 30 3 0 200 cbdbeb40 vcmbox0 vcmbox0
0 21 3 0 200 cbede5a0 usbtask-dr usbtsk
0 20 3 0 200 cbede860 usbtask-hc usbtsk
0 19 3 0 200 cbedeb20 dwc2 dwc2
0 18 3 0 200 cbedede0 iic1 iicintr
0 17 3 0 200 cbedf0a0 iic0 iicintr
0 16 3 0 200 cbedf360 sysmon smtaskq
0 15 3 0 200 cbedf620 pmfsuspend pmfsuspend
0 14 3 0 200 cbedf8e0 pmfevent pmfevent
0 13 3 0 200 cbedfba0 sopendfree sopendfr
0 12 3 0 200 cbf4e000 nfssilly nfssilly
0 11 3 0 200 cbf4e2c0 cachegc cachegc
0 10 3 0 200 cbf4e580 vrele vrele
0 9 3 0 200 cbf4e840 vdrain vdrain
0 8 3 0 200 cbf4eb00 modunload mod_unld
0 7 3 0 200 cbf4edc0 xcall/0 xcall
0 6 1 0 200 cbf4f080 softser/0
0 5 1 0 200 cbf4f340 softclk/0
0 4 1 0 200 cbf4f600 softbio/0
0 3 1 0 200 cbf4f8c0 softnet/0
0 > 2 7 0 201 cbf4fb80 idle/0
0 1 3 0 200 c048a240 swapper uvm
db> bt/a c6e5b6c0
trace: pid 11813 lid 1 at 0xc97578ec
0xc97578ec: netbsd:mi_switch+0xc
0xc975791c: netbsd:sleepq_block+0x158
0xc975795c: netbsd:kpause+0x118
0xc975797c: netbsd:nfs_reconnect+0x44
0xc9757aa4: netbsd:nfs_request+0xe00
0xc9757b2c: netbsd:nfs_readrpc+0x20c
0xc9757bdc: netbsd:nfs_doio+0x648
0xc9757bfc: netbsd:VOP_STRATEGY+0x40
0xc9757d4c: netbsd:genfs_getpages+0x1224
0xc9757dcc: netbsd:nfs_getpages+0xe8
0xc9757e1c: netbsd:VOP_GETPAGES+0x70
0xc9757f44: netbsd:uvm_fault_internal+0xf80
0xc9757fac: netbsd:prefetch_abort_handler+0x194
db> bt/a cbf4e000
trace: pid 0 lid 12 at 0xcbee9f1c
0xcbee9f1c: netbsd:mi_switch+0xc
0xcbee9f4c: netbsd:sleepq_block+0xa4
0xcbee9f7c: netbsd:cv_wait+0xec
0xcbee9fac: netbsd:workqueue_worker+0x50
db>
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