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Re: kern/51395: USB Ethernet makes xhci hang
This problem also happens on ehci of my DN2820FYKH.
# dhcpcd axe0
axe0: adding address fe80::2xx:xxff:fexx:xxxx
ehci_sync_hc: cv_timedwait() = 35
~fatal breakpoint trap in supervisor mode
trap type 1 code 0 rip ffffffff80114b35 cs 8 rflags 202 cr2 7a1772596240 ilevel 8 rsp fffffe810e673ce8
curlwp 0xfffffe823f729840 pid 0.2 lowest kstack 0xfffffe810e6702c0
Stopped in pid 0.2 (system) at netbsd:breakpoint+0x5: leave
db{0}> ps
PID LID S CPU FLAGS STRUCT LWP * NAME WAIT
13 1 3 0 0 fffffe810e9ea980 dhcpcd usbxfer
2 1 3 0 80 fffffe810e9ea560 sh wait
1 1 3 0 80 fffffe810ea3f180 init wait
0 48 3 1 200 fffffe810eae9a00 aiodoned aiodoned
0 47 3 1 200 fffffe810eb071a0 ioflush syncer
0 46 3 1 200 fffffe810eb075c0 pgdaemon pgdaemon
0 45 5 1 200 fffffe810eb079e0 (zombie)
0 42 3 1 200 fffffe810e9c9960 usb0 usbevt
0 41 3 1 200 fffffe810ea3f5a0 unpgc unpgc
0 40 3 1 200 fffffe810ea3f9c0 nd6_timer tstile
0 39 3 0 200 fffffe810e9ea140 rt_timer rt_timer
0 38 3 0 200 fffffe810e9eb9a0 vmem_rehash vmem_rehash
0 37 3 0 200 fffffe810e9eb160 coretemp1 coretemp1
0 36 3 1 200 fffffe810e9eb580 coretemp0 coretemp0
0 27 3 1 200 fffffe810e929520 iic0 iicintr
0 26 3 0 200 fffffe810e929940 usbtask-dr tstile
0 25 3 0 200 fffffe810e6e30e0 usbtask-hc ehciab
0 24 3 0 200 fffffe810e6e3500 atabus0 atath
0 23 3 1 200 fffffe810e6e3920 xcall/1 xcall
0 22 1 1 200 fffffe810e6c30c0 softser/1
0 21 3 1 200 fffffe810e6c34e0 softclk/1 tstile
0 20 1 1 200 fffffe810e6c3900 softbio/1
0 19 1 1 200 fffffe823eaec0a0 softnet/1
0 > 18 7 1 201 fffffe823eaec4c0 idle/1
0 17 3 0 200 fffffe823eaec8e0 lnxsyswq lnxsyswq
0 16 3 0 200 fffffe823eafe080 sysmon smtaskq
0 15 3 0 200 fffffe823eafe4a0 pmfsuspend pmfsuspend
0 14 3 0 200 fffffe823eafe8c0 pmfevent pmfevent
0 13 3 0 200 fffffe823eb0e060 sopendfree sopendfr
0 12 3 0 200 fffffe823eb0e480 nfssilly nfssilly
0 11 3 0 200 fffffe823eb0e8a0 cachegc cachegc
0 10 3 0 200 fffffe823f714040 vrele vrele
0 9 3 1 200 fffffe823f714460 vdrain vdrain
0 8 3 0 200 fffffe823f714880 modunload mod_unld
0 7 3 0 200 fffffe823f723020 xcall/0 xcall
0 6 1 0 200 fffffe823f723440 softser/0
0 5 1 0 200 fffffe823f723860 softclk/0
0 4 1 0 200 fffffe823f729000 softbio/0
0 3 3 0 200 fffffe823f729420 softnet/0 tstile
0 > 2 7 0 201 fffffe823f729840 idle/0
0 1 3 0 200 ffffffff80abaee0 swapper uvm
db{0}> ps/w
PID LID COMMAND EMUL PRI WAIT-MSG WAIT-CHANNEL
13 1 dhcpcd netbsd 43 usbxfer fffffe810e9ee658
2 1 sh netbsd 43 wait fffffe810ea94ab0
1 1 init netbsd 43 wait fffffe810ea94d50
0 48 system netbsd 125 aiodoned fffffe810ea1d948
0 47 system netbsd 124 syncer fffffe810eb071a0
0 46 system netbsd 126 pgdaemon ffffffff80fe9bb4
0 45 system netbsd 96 0
0 42 system netbsd 96 usbevt fffffe810e93b490
0 41 system netbsd 96 unpgc ffffffff8100bc60
0 40 system netbsd 222 tstile fffffe823fbabf40
0 39 system netbsd 222 rt_timer fffffe810ea1dd88
0 38 system netbsd 125 vmem_rehash fffffe810ea1de88
0 37 system netbsd 43 coretemp1 fffffe823f71e088
0 36 system netbsd 43 coretemp0 fffffe823f71e148
0 27 system netbsd 96 iicintr fffffe823f71e1f0
0 26 system netbsd 96 tstile fffffe823d450e28
0 25 system netbsd 96 ehciab fffffe810e93bde8
0 24 system netbsd 96 atath ffff80000f7d3398
0 23 system netbsd 127 xcall fffffe810e6b30d8
0 22 system netbsd 223 0
0 21 system netbsd 220 tstile fffffe823fbabf40
0 20 system netbsd 221 0
0 19 system netbsd 222 0
0 > 18 system netbsd 0 0
0 17 system netbsd 43 lnxsyswq fffffe823f71eb08
0 16 system netbsd 96 smtaskq ffffffff80fd3d60
0 15 system netbsd 43 pmfsuspend fffffe823f71ecc8
0 14 system netbsd 43 pmfevent fffffe823f71ed88
0 13 system netbsd 96 sopendfr ffffffff8100bbd0
0 12 system netbsd 43 nfssilly fffffe823f71ee88
0 11 system netbsd 125 cachegc fffffe823eb0e8a0
0 10 system netbsd 125 vrele ffffffff80af50c0
0 9 system netbsd 125 vdrain ffffffff80af5180
0 8 system netbsd 125 mod_unld ffffffff80fee890
0 7 system netbsd 127 xcall ffffffff80a834d8
0 6 system netbsd 223 0
0 5 system netbsd 220 0
0 4 system netbsd 221 0
0 3 system netbsd 222 tstile fffffe823fbabf40
0 > 2 system netbsd 0 0
0 1 system netbsd 125 uvm ffffffff80abaee0
db{0}> bt/a fffffe810e9ea980
trace: pid 13 lid 1 at 0xfffffe810ecea3f0
sleepq_block() at netbsd:sleepq_block+0x97
cv_wait() at netbsd:cv_wait+0x11a
usbd_transfer() at netbsd:usbd_transfer+0x795
usbd_do_request_flags() at netbsd:usbd_do_request_flags+0xd9
axe_cmd() at netbsd:axe_cmd+0xa0
axe_setmulti() at netbsd:axe_setmulti+0x76
axe_ioctl() at netbsd:axe_ioctl+0x157
if_mcast_op() at netbsd:if_mcast_op+0x6a
in6_addmulti() at netbsd:in6_addmulti+0x2f8
in6_joingroup() at netbsd:in6_joingroup+0x45
in6_update_ifa1() at netbsd:in6_update_ifa1+0xa80
in6_update_ifa() at netbsd:in6_update_ifa+0x3b
in6_control1() at netbsd:in6_control1+0x4c5
in6_control() at netbsd:in6_control+0x92
udp6_ioctl_wrapper() at netbsd:udp6_ioctl_wrapper+0x32
compat_ifioctl() at netbsd:compat_ifioctl+0x11c
doifioctl() at netbsd:doifioctl+0xa9d
soo_ioctl() at netbsd:soo_ioctl+0x2b5
sys_ioctl() at netbsd:sys_ioctl+0x101
syscall() at netbsd:syscall+0x9c
--- syscall (number 54) ---
7a17726e90fa:
db{0}> bt/a fffffe810e6e30e0
trace: pid 0 lid 25 at 0xfffffe810e930db0
sleepq_block() at netbsd:sleepq_block+0x97
cv_wait() at netbsd:cv_wait+0x11a
ehci_abort_xfer() at netbsd:ehci_abort_xfer+0x506
ehci_timeout_task() at netbsd:ehci_timeout_task+0x3e
usb_task_thread() at netbsd:usb_task_thread+0x157
db{0}> bt/a fffffe810e929940
trace: pid 0 lid 26 at 0xfffffe810e93fcf0
sleepq_block() at netbsd:sleepq_block+0x97
turnstile_block() at netbsd:turnstile_block+0x3a9
mutex_enter() at netbsd:mutex_enter+0x36c
axe_miibus_readreg() at netbsd:axe_miibus_readreg+0x5b
mii_phy_tick() at netbsd:mii_phy_tick+0x5e
ukphy_service() at netbsd:ukphy_service+0x72
mii_tick() at netbsd:mii_tick+0x3b
axe_tick_task() at netbsd:axe_tick_task+0x31
usb_task_thread() at netbsd:usb_task_thread+0x1a4
--
t-hash
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