Re: Experimental driver for USB dongle 07d0:4100 (Kingsun/Dazzle) - looking for testers

On 29/07/07, andrzej zaborowski <[email protected]> wrote:
> Hi,
>
> On 27/07/07, Alex Villací­s Lasso <[email protected]> wrote:
> > Yesterday, Ashik Ahamed from the irda-users mailing list send me a
> > SnoopyPro log showing communication for the USB IrDA dongle whose
> > descriptors are 07d0:4100 (which I call the Kingsun/Dazzle dongle). I do
> > not have the dongle, so this driver is completely untested. I only
> > guarantee that it will compile.
> >
> > At least once.
> >
> > On 2.6.23-rc1.
> >
> > On my home machine :-)
> >
> > I am looking for people who do have the dongle, and are willing to see
> > if this driver works for them. Please point out any stupid mistakes I
> > may have done in the code. Also test if the range of speeds this dongle
> > supports, which might be higher (or lower!) than the 2400-115200 bps
> > indicated by the probe routine. Even if you are not running exactly
> > 2.6.23-rc1, you can test it if you run any 2.6.x kernel.
>
> The driver seems to work! My testing was very poor but definitely both
> transmission and reception worked. The strange thing is that I can't
> observe any light from the LED using a camera, with other dongles I
> can clearly see when something is being emitted. This may be the
> reason why I thought transmission was failing with my earlier libusb
> driver.
> However other devices clearly detected my computer in the network now.
>
> Other than the formatting I don't see anything wrong in the code.
> (Note that .rx_time is unused). I built the driver inside the kernel
> tree rather than with a separate makefile. Removing of the module also
> worked without any Oops.

Sorry, actually there were some Oopses but I was looking at the wrong
logs. A couple of hours later the kernel started doing strange things
with other usb devices and I had to reboot it :(

However the communication through the dongle worked fine while it was connected.

Jul 29 16:04:30 [kernel] usb 2-3: new low speed USB device using
ohci_hcd and address 9
Jul 29 16:04:30 [kernel] usb 2-3: Product: USB to Serial
Jul 29 16:04:30 [kernel] usb 2-3: Manufacturer: Kingsun Semiconductor
Jul 29 16:04:30 [kernel] usb 2-3: configuration #1 chosen from 1 choice
Jul 29 16:04:30 [kernel] KingSun/Dazzle IRDA/USB found at address 9,
Vendor: 7d0, Product: 4100
Jul 29 16:04:30 [kernel] drivers/net/irda/ksdazzle-sir.c: IrDA:
Registered KingSun/Dazzle device irda0
Jul 29 16:04:30 [kernel] usbcore: registered new interface driver ksdazzle-sir
Jul 29 16:05:06 [irattach] executing: '/sbin/modprobe irda0'
Jul 29 16:05:06 [irattach] + FATAL: Module irda0 not found.
Jul 29 16:05:06 [irattach] Trying to load module irda0 exited with status 1
Jul 29 16:05:06 [irattach] executing: 'echo borg > /proc/sys/net/irda/devname'
Jul 29 16:05:06 [irattach] Starting device irda0
Jul 29 16:17:02 [kernel] IrLAP, no activity on link!
                - Last output repeated 3 times -
Jul 29 16:18:35 [kernel] async_wrap_skb(), tx buffer overflow (n=507)
                - Last output repeated 2 times -
Jul 29 16:18:39 [kernel] IrLAP, no activity on link!
Jul 29 16:18:39 [kernel] async_wrap_skb(), tx buffer overflow (n=507)
                - Last output repeated 2 times -
Jul 29 16:18:42 [kernel] IrLAP, no activity on link!
Jul 29 16:18:42 [kernel] async_wrap_skb(), tx buffer overflow (n=507)
                - Last output repeated 2 times -
Jul 29 16:18:46 [kernel] printk: 2 messages suppressed.
Jul 29 16:18:46 [kernel] async_wrap_skb(), tx buffer overflow (n=507)
Jul 29 16:18:48 [kernel] BUG: scheduling while atomic: swapper/0x10000100/0
Jul 29 16:18:48 [kernel] Call Trace:
Jul 29 16:18:48 [kernel]  [<ffffffff810393f9>] autoremove_wake_function+0x9/0x30
Jul 29 16:18:48 [kernel]  [<ffffffff8101c784>] __wake_up_common+0x44/0x80
Jul 29 16:18:48 [kernel]  [<ffffffff8101ce23>] __wake_up+0x43/0x70
Jul 29 16:18:48 [kernel]  [<ffffffff8804f250>]
:irda:irlap_final_timer_expired+0x0/0x10
Jul 29 16:18:48 [kernel]  [<ffffffff8101f52c>] __cond_resched+0x1c/0x50
Jul 29 16:18:48 [kernel]  [<ffffffff8130806e>] cond_resched+0x2e/0x40
Jul 29 16:18:48 [kernel]  [<ffffffff812721d6>] lock_sock_nested+0x16/0xe0
Jul 29 16:18:48 [kernel]  [<ffffffff880501e4>] :irda:hashbin_remove+0xc4/0x120
Jul 29 16:18:48 [kernel]  [<ffffffff8805028a>] :irda:hashbin_insert+0x4a/0x100
Jul 29 16:18:48 [kernel]  [<ffffffff8804f250>]
:irda:irlap_final_timer_expired+0x0/0x10
Jul 29 16:18:48 [kernel]  [<ffffffff88056bca>]
:irda:irda_disconnect_indication+0x4a/0xd0
Jul 29 16:18:48 [kernel]  [<ffffffff8804a12c>] :irda:irlmp_state_dtr+0xdc/0x130
Jul 29 16:18:48 [kernel]  [<ffffffff8804a61f>]
:irda:irlmp_state_active+0x13f/0x170
Jul 29 16:18:48 [kernel]  [<ffffffff8804c6e5>]
:irda:irlap_state_nrm_p+0x4e5/0x5a0
Jul 29 16:18:48 [kernel]  [<ffffffff8804f250>]
:irda:irlap_final_timer_expired+0x0/0x10
Jul 29 16:18:48 [kernel]  [<ffffffff8804bbfd>] :irda:irlap_do_event+0x3d/0x130
Jul 29 16:18:48 [kernel]  [<ffffffff8804f250>]
:irda:irlap_final_timer_expired+0x0/0x10
Jul 29 16:18:48 [kernel]  [<ffffffff8102da71>] run_timer_softirq+0x141/0x1c0
Jul 29 16:18:48 [kernel]  [<ffffffff81029d6f>] __do_softirq+0x5f/0xd0
Jul 29 16:18:48 [kernel]  [<ffffffff8100ac5c>] call_softirq+0x1c/0x30
Jul 29 16:18:48 [kernel]  [<ffffffff8100ca4c>] do_softirq+0x2c/0x90
Jul 29 16:18:48 [kernel]  [<ffffffff81015d2e>]
smp_apic_timer_interrupt+0x5e/0x80
Jul 29 16:18:48 [kernel]  [<ffffffff81008da0>] default_idle+0x0/0x50
                - Last output repeated twice -
Jul 29 16:18:48 [kernel]  [<ffffffff8100a706>] apic_timer_interrupt+0x66/0x70
Jul 29 16:18:48 [kernel]  <EOI>  [<ffffffff81008dc9>] default_idle+0x29/0x50
Jul 29 16:18:48 [kernel]  [<ffffffff81008e4c>] cpu_idle+0x5c/0x80
Jul 29 16:18:48 [kernel]  [<ffffffff81491c6c>] start_secondary+0x50c/0x520
Jul 29 16:18:48 [kernel] Unable to handle kernel NULL pointer
dereference at 0000000000000008 RIP:
Jul 29 16:18:48 [kernel]  [<ffffffff88055f6a>]
:irda:irda_recvmsg_stream+0x11a/0x300
Jul 29 16:18:48 [kernel] PGD 369ea067 PUD 1c23f067 PMD 0
Jul 29 16:18:48 [kernel] CPU 1
Jul 29 16:18:48 [kernel] Modules linked in: ksdazzle_sir kqemu
cdc_ether usbnet cdc_acm ipaq usbserial irda pppoatm usbhid speedtch
usbatm ohci_hcd
Jul 29 16:18:48 [kernel] Pid: 20273, comm: obexftp Not tainted
2.6.20-rc3-omap1balrog #0
Jul 29 16:18:48 [kernel] RIP: 0010:[<ffffffff88055f6a>]
[<ffffffff88055f6a>] irda:irda_recvmsg_stream+0x11a/0x300
Jul 29 16:18:48 [kernel] Process obexftp (pid: 20273, threadinfo
ffff81006057e000, task ffff81007bd05670)
Jul 29 16:18:48 [kernel] Call Trace:
Jul 29 16:18:48 [kernel]  [<ffffffff8101f4d0>] default_wake_function+0x0/0x10
Jul 29 16:18:48 [kernel]  [<ffffffff88054154>]
:irda:__lock_irda_stream_recvmsg+0x44/0x70
Jul 29 16:18:48 [kernel]  [<ffffffff8126f5e2>] sock_aio_read+0x102/0x130
Jul 29 16:18:48 [kernel]  [<ffffffff81069aef>] do_sync_read+0xcf/0x120
Jul 29 16:18:48 [kernel]  [<ffffffff810393f0>] autoremove_wake_function+0x0/0x30
Jul 29 16:18:48 [kernel]  [<ffffffff811909e3>] tty_ldisc_deref+0x63/0x80
Jul 29 16:18:48 [kernel]  [<ffffffff811924cc>] tty_write+0x21c/0x250
Jul 29 16:18:48 [kernel]  [<ffffffff8106a460>] vfs_read+0xd0/0x180
Jul 29 16:18:48 [kernel]  [<ffffffff8106a963>] sys_read+0x53/0x90
Jul 29 16:18:48 [kernel]  [<ffffffff81009b3e>] system_call+0x7e/0x83
Jul 29 16:18:48 [kernel] Code: f0 0f ba 68 08 01 48 8b 7d 68 48 8d 74
24 20 e8 22 37 fe f8
Jul 29 16:18:48 [kernel] RIP  [<ffffffff88055f6a>]
:irda:irda_recvmsg_stream+0x11a/0x300
Jul 29 16:18:48 [kernel]  RSP <ffff81006057fc88>
Jul 29 16:19:29 [kernel] async_wrap_skb(), tx buffer overflow (n=507)
                - Last output repeated 5 times -
Jul 29 16:19:32 [kernel] IrLAP, no activity on link!
Jul 29 16:19:32 [kernel] async_wrap_skb(), tx buffer overflow (n=507)
                - Last output repeated twice -
Jul 29 16:19:36 [kernel] printk: 6 messages suppressed.
Jul 29 16:19:36 [kernel] async_wrap_skb(), tx buffer overflow (n=507)
Jul 29 16:19:41 [kernel] printk: 10 messages suppressed.
Jul 29 16:19:41 [kernel] async_wrap_skb(), tx buffer overflow (n=507)
Jul 29 16:19:42 [kernel] BUG: scheduling while atomic: swapper/0x10000100/0
Jul 29 16:19:42 [kernel] Call Trace:
Jul 29 16:19:42 [kernel]  <IRQ>  [<ffffffff8130777d>]
__sched_text_start+0x5d/0x834
Jul 29 16:19:42 [kernel]  [<ffffffff810393f9>] autoremove_wake_function+0x9/0x30
Jul 29 16:19:42 [kernel]  [<ffffffff8101c784>] __wake_up_common+0x44/0x80
Jul 29 16:19:42 [kernel]  [<ffffffff8101ce23>] __wake_up+0x43/0x70
Jul 29 16:19:42 [kernel]  [<ffffffff8804f250>]
:irda:irlap_final_timer_expired+0x0/0x10
Jul 29 16:19:42 [kernel]  [<ffffffff8101f52c>] __cond_resched+0x1c/0x50
Jul 29 16:19:42 [kernel]  [<ffffffff8130806e>] cond_resched+0x2e/0x40
Jul 29 16:19:42 [kernel]  [<ffffffff812721d6>] lock_sock_nested+0x16/0xe0
Jul 29 16:19:42 [kernel]  [<ffffffff880501e4>] :irda:hashbin_remove+0xc4/0x120
Jul 29 16:19:42 [kernel]  [<ffffffff8805028a>] :irda:hashbin_insert+0x4a/0x100
Jul 29 16:19:42 [kernel]  [<ffffffff8804f250>]
:irda:irlap_final_timer_expired+0x0/0x10
Jul 29 16:19:42 [kernel]  [<ffffffff88056bca>]
:irda:irda_disconnect_indication+0x4a/0xd0
Jul 29 16:19:42 [kernel]  [<ffffffff8804a12c>] :irda:irlmp_state_dtr+0xdc/0x130
Jul 29 16:19:42 [kernel]  [<ffffffff8804a61f>]
:irda:irlmp_state_active+0x13f/0x170
Jul 29 16:19:42 [kernel]  [<ffffffff8804c6e5>]
:irda:irlap_state_nrm_p+0x4e5/0x5a0
Jul 29 16:19:42 [kernel]  [<ffffffff8804f250>]
:irda:irlap_final_timer_expired+0x0/0x10
Jul 29 16:19:42 [kernel]  [<ffffffff8804bbfd>] :irda:irlap_do_event+0x3d/0x130
Jul 29 16:19:42 [kernel]  [<ffffffff8804f250>]
:irda:irlap_final_timer_expired+0x0/0x10
Jul 29 16:19:42 [kernel]  [<ffffffff8102da71>] run_timer_softirq+0x141/0x1c0
Jul 29 16:19:42 [kernel]  [<ffffffff81029d6f>] __do_softirq+0x5f/0xd0
Jul 29 16:19:42 [kernel]  [<ffffffff8100ac5c>] call_softirq+0x1c/0x30
Jul 29 16:19:42 [kernel]  [<ffffffff8100ca4c>] do_softirq+0x2c/0x90
Jul 29 16:19:42 [kernel]  [<ffffffff81015d2e>]
smp_apic_timer_interrupt+0x5e/0x80
Jul 29 16:19:42 [kernel]  [<ffffffff81008da0>] default_idle+0x0/0x50
                - Last output repeated twice -
Jul 29 16:19:42 [kernel]  [<ffffffff8100a706>] apic_timer_interrupt+0x66/0x70
Jul 29 16:19:42 [kernel]  <EOI>  [<ffffffff81008dc9>] default_idle+0x29/0x50
Jul 29 16:19:42 [kernel]  [<ffffffff81008e4c>] cpu_idle+0x5c/0x80
Jul 29 16:19:42 [kernel]  [<ffffffff81488745>] start_kernel+0x1c5/0x1d0
Jul 29 16:19:42 [kernel]  [<ffffffff8148815a>] _sinittext+0x15a/0x160
Jul 29 16:19:42 [kernel] Unable to handle kernel NULL pointer
dereference at 0000000000000008 RIP:
Jul 29 16:19:42 [kernel]  [<ffffffff88055f6a>]
:irda:irda_recvmsg_stream+0x11a/0x300
Jul 29 16:19:42 [kernel] PGD 4cd6a067 PUD 9f00067 PMD 0
Jul 29 16:19:42 [kernel] CPU 0
Jul 29 16:19:42 [kernel] Modules linked in: ksdazzle_sir kqemu
cdc_ether usbnet cdc_acm ipaq usbserial irda pppoatm usbhid speedtch
usbatm ohci_hcd
Jul 29 16:19:42 [kernel] Pid: 20278, comm: obexftp Not tainted
2.6.20-rc3-omap1balrog #0
Jul 29 16:19:42 [kernel] RIP: 0010:[<ffffffff88055f6a>]
[<ffffffff88055f6a>] :irda:irda_recvmsg_stream+0x11a/0x300
Jul 29 16:19:42 [kernel] Process obexftp (pid: 20278, threadinfo
ffff810045a34000, task ffff81006ce798b0)
Jul 29 16:19:42 [kernel] Call Trace:
Jul 29 16:19:42 [kernel]  [<ffffffff8101f4d0>] default_wake_function+0x0/0x10
Jul 29 16:19:42 [kernel]  [<ffffffff88054154>]
:irda:__lock_irda_stream_recvmsg+0x44/0x70
Jul 29 16:19:42 [kernel]  [<ffffffff8126f5e2>] sock_aio_read+0x102/0x130
Jul 29 16:19:42 [kernel]  [<ffffffff81069aef>] do_sync_read+0xcf/0x120
Jul 29 16:19:42 [kernel]  [<ffffffff810393f0>] autoremove_wake_function+0x0/0x30
Jul 29 16:19:42 [kernel]  [<ffffffff811909e3>] tty_ldisc_deref+0x63/0x80
Jul 29 16:19:42 [kernel]  [<ffffffff811924cc>] tty_write+0x21c/0x250
Jul 29 16:19:42 [kernel]  [<ffffffff8106a460>] vfs_read+0xd0/0x180
Jul 29 16:19:42 [kernel]  [<ffffffff8106a963>] sys_read+0x53/0x90
Jul 29 16:19:42 [kernel]  [<ffffffff81009b3e>] system_call+0x7e/0x83
Jul 29 16:19:42 [kernel] Code: f0 0f ba 68 08 01 48 8b 7d 68 48 8d 74
24 20 e8 22 37 fe f8
Jul 29 16:19:42 [kernel] RIP  [<ffffffff88055f6a>]
:irda:irda_recvmsg_stream+0x11a/0x300
Jul 29 16:19:42 [kernel]  RSP <ffff810045a35c88>
Jul 29 16:23:39 [kernel] IrLAP, no activity on link!
                - Last output repeated 3 times -
Jul 29 16:30:41 [kernel] usb 2-3: USB disconnect, address 9
Jul 29 16:30:41 [kernel] drivers/net/irda/ksdazzle-sir.c:
kingsun_rcv_irq: urb a synchronously failed - -108
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