RE: [Xen-users] Xen & USB using PCI delegation

["Joris Dobbelsteen" <Joris@xxxxxxxxxxxxxxxxxxxxx>]

Anyone got a USB printer running on domU?

- Joris

>-----Original Message-----
>From: xen-users-bounces@xxxxxxxxxxxxxxxxxxx 
>[mailto:xen-users-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of 
>Joris Dobbelsteen
>Sent: Monday, 18 February 2008 19:22
>To: xen-users@xxxxxxxxxxxxxxxxxxx
>Subject: [Xen-users] Xen & USB using PCI delegation
>
>Dear,
>
>Currently I'm trying to set up a print server on a domU. I'm 
>trying to get a ICH9 USB controller working on a Xen DomU, 
>which was quite painless. Next step was to get a HP Laserjet 
>1012 working. Unfortunally I seem to have increasingly less 
>success after every step I taking.
>
>=== Configuration
>
>The following configuration is used:
>
>Host:
>Gentoo Linux 2007.0 distribution
>Xen 3.1.2
>Linux 2.6.20-xen-r6 #15 SMP
>  x86_64 (Core(TM)2 Duo CPU E6750)
>Mainboard has the G33 chipset with ICH9R south bridge.
>(It's a Gigabyte GA-G33-DS3R)
>
>Guest:
>Debian Etch 4.0
>Linux 2.6.18-6 (latest debian xen-kernel)
>
>
>=== Problems:
>
>Basically I have a lot of kernel crashes that seem related to 
>the printer driver (usblp?) or something in the kernel.
>
>Ive tried a lot of variations so far:
>* without anything special
>* with "permissive" enabled in Xen
>* Passing "swiotlb=force" to the guest
>
>=== Question:
>
>How do I solve this problem (or work arround it)?
>
>
>=== Thoughts:
>
>Somebody suggesting setting some usblp value from 8192 to 4096 
>(which happens to go from 2 to 1 page in memory)?
>
>=== Undesired answer:
>
>Use Dom0 as print server instead...
>
>===
>
>Thanks,
>
>- Joris
>
>=== Attempt 1 ===
>Only hidden PCI device and delegated to domU Output is reduced 
>to what I think is useful...
>
>Bootdata ok (command line is root=/dev/sda1 ) Linux version 
>2.6.18-6-xen-amd64 (Debian 2.6.18.dfsg.1-18etch1)
>(waldi@xxxxxxxxxx) (gcc version 4.1.2 20061115 (prerelease) (Debian
>4.1.1-21)) #1 SMP Sun Feb 10 18:02:52 UTC 2008 Software IO TLB disabled
>PCI: setting up Xen PCI frontend stub
>usbcore: registered new driver usbfs
>usbcore: registered new driver hub
>PCI: System does not support PCI
>PCI: System does not support PCI
>pcifront pci-0: Installing PCI frontend
>pcifront pci-0: Creating PCI Frontend Bus 0000:00 
>Event-channel device installed.
>netfront: Initialising virtual ethernet driver.
>USB Universal Host Controller Interface driver v3.0
>PCI: Enabling device 0000:00:00.1 (0000 -> 0001) uhci_hcd 
>0000:00:00.1: UHCI Host Controller uhci_hcd 0000:00:00.1: new 
>USB bus registered, assigned bus number 1 uhci_hcd 
>0000:00:00.1: irq 21, io base 0x0000e300 usb usb1: 
>configuration #1 chosen from 1 choice hub 1-0:1.0: USB hub 
>found hub 1-0:1.0: 2 ports detected usb 1-2: new full speed 
>USB device using uhci_hcd and address 2 usb 1-2: configuration 
>#1 chosen from 1 choice Starting the hotplug events dispatcher: udevd.
>drivers/usb/class/usblp.c: out of memory for write buf
>usblp: probe of 1-2:1.0 failed with error -5
>usbcore: registered new driver usblp
>drivers/usb/class/usblp.c: v0.13: USB Printer Device Class 
>driver Starting HP Linux Printing and Imaging System: hpiod hpssd.
>Starting Common Unix Printing System: cupsdlp: driver loaded 
>but no devices found
>
>Debian GNU/Linux 4.0 tty1
>
>printgilze login: Fatal DMA error! Please use 'swiotlb=force'
>----------- [cut here ] --------- [please bite here ] 
>--------- Kernel BUG at 
>arch/x86_64/kernel/../../i386/kernel/pci-dma-xen.c:343
>invalid opcode: 0000 [1] SMP
>CPU 0
>Modules linked in: ipv6 ppdev parport_pc lp parport 
>dm_snapshot dm_mirror dm_mod usblp evdev pcspkr 8250 
>serial_core xfs uhci_hcd
>Pid: 1450, comm: hpiod Not tainted 2.6.18-6-xen-amd64 #1
>RIP: e030:[<ffffffff80269bac>]  [<ffffffff80269bac>]
>dma_map_single+0x128/0x178
>RSP: e02b:ffff880003845bf8  EFLAGS: 00010296
>RAX: 000000000000002f RBX: ffff880005918000 RCX: ffff880003844000
>RDX: ffffffffff578000 RSI: 0000000000000001 RDI: 0000000000000000
>RBP: 000000004b5aa000 R08: ffffffff80450088 R09: 000000000000002d
>R10: 000000000000153e R11: 0000000000000000 R12: 0000000000002000
>R13: ffff880005782070 R14: ffff880004daa600 R15: ffff88000283eb94
>FS:  0000000000000000(0063) GS:ffffffff804c3000(0000) 
>knlGS:0000000000000000
>CS:  e033 DS: 0000 ES: 0000
>Process hpiod (pid: 1450, threadinfo ffff880003844000, task
>ffff88000500f7b0)
>Stack:  ffff88000157e7c0  ffff88000283eb80  00000000ffffffff 
>ffff88000283eb80  ffff880004d0d000  ffffffff8037ace3  
>0000000000000000  000000d0802a61a2  ffff88000157e7c0  
>ffffffff8020aa86 Call Trace:
> [<ffffffff8037ace3>] hcd_submit_urb+0x697/0x746  
>[<ffffffff8020aa86>] kmem_cache_alloc+0x56/0x61  
>[<ffffffff8025b08d>] cache_alloc_refill+0x6c/0x4eb  
>[<ffffffff8037fd3f>] proc_do_submiturb+0x6ff/0x7c4  
>[<ffffffff8038176b>] usbdev_ioctl+0xe48/0x1393  
>[<ffffffff80266ba8>] monotonic_clock+0x35/0x7a  
>[<ffffffff8025e2f1>] thread_return+0x0/0xfc  
>[<ffffffff8025e34e>] thread_return+0x5d/0xfc  
>[<ffffffff80227635>] do_filp_open+0x2d/0x3d  
>[<ffffffff80241882>] do_ioctl+0x55/0x6b  [<ffffffff80231010>] 
>vfs_ioctl+0x252/0x26b  [<ffffffff8024bb57>] 
>sys_ioctl+0x59/0x78  [<ffffffff8025be0e>] 
>system_call+0x86/0x8b  [<ffffffff8025bd88>] system_call+0x0/0x8b
>
>
>Code: 0f 0b 68 ca 77 40 80 c2 57 01 4d 85 ed 74 11 49 8b 85 18 
>02 RIP  [<ffffffff80269bac>] dma_map_single+0x128/0x178  RSP 
><ffff880003845bf8>
>  ... kernel: invalid opcode: 0000 [1] SMP
>
>
>
>=== Attempt 2 ===
>Permissive PCI device...
>(Somebody else seems to have success doing this) Output is 
>reduced to what I think is useful...
>
>PCI: setting up Xen PCI frontend stub
>xen_mem: Initialising balloon driver.
>usbcore: registered new driver usbfs
>usbcore: registered new driver hub
>PCI: System does not support PCI
>PCI: System does not support PCI
>pcifront pci-0: Installing PCI frontend
>pcifront pci-0: Creating PCI Frontend Bus 0000:00 
>Event-channel device installed.
>netfront: Initialising virtual ethernet driver.
>USB Universal Host Controller Interface driver v3.0
>PCI: Enabling device 0000:00:00.1 (0000 -> 0001) uhci_hcd 
>0000:00:00.1: UHCI Host Controller uhci_hcd 0000:00:00.1: new 
>USB bus registered, assigned bus number 1 uhci_hcd 
>0000:00:00.1: irq 21, io base 0x0000e300 usb usb1: 
>configuration #1 chosen from 1 choice hub 1-0:1.0: USB hub 
>found hub 1-0:1.0: 2 ports detected usb 1-2: new full speed 
>USB device using uhci_hcd and address 2 usb 1-2: configuration 
>#1 chosen from 1 choice
>INIT: version 2.86 booting
>Starting the hotplug events dispatcher: udevd.
>drivers/usb/class/usblp.c: out of memory for write buf
>usblp: probe of 1-2:1.0 failed with error -5
>usbcore: registered new driver usblp
>drivers/usb/class/usblp.c: v0.13: USB Printer Device Class 
>driver Activating swap...Adding 131064k swap on /dev/sda2.  Priority:-1
>extents:1 across:131064k
>Starting HP Linux Printing and Imaging System: hpiod hpssd.
>Starting Common Unix Printing System: cupsdlp: driver loaded 
>but no devices found
>
>Debian GNU/Linux 4.0 tty1
>
>printgilze login: Fatal DMA error! Please use 'swiotlb=force'
>----------- [cut here ] --------- [please bite here ] 
>--------- Kernel BUG at 
>arch/x86_64/kernel/../../i386/kernel/pci-dma-xen.c:343
>invalid opcode: 0000 [1] SMP
>CPU 0
>Modules linked in: ipv6 ppdev parport_pc lp parport 
>dm_snapshot dm_mirror dm_mod evdev usblp pcspkr 8250 
>serial_core xfs uhci_hcd
>Pid: 1457, comm: hpiod Not tainted 2.6.18-6-xen-amd64 #1
>RIP: e030:[<ffffffff80269bac>]  [<ffffffff80269bac>]
>dma_map_single+0x128/0x178
>RSP: e02b:ffff880003cabbf8  EFLAGS: 00010296
>RAX: 000000000000002f RBX: ffff880004f04000 RCX: ffff880003caa000
>RDX: ffffffffff578000 RSI: 0000000000000001 RDI: 0000000000000000
>RBP: 000000004bfbe000 R08: ffffffff80450088 R09: 000000000000002d
>R10: 000000000000155f R11: 0000000000000000 R12: 0000000000002000
>R13: ffff880005782070 R14: ffff880005127800 R15: ffff880002861b94
>FS:  00002b3d75086710(0063) GS:ffffffff804c3000(0000) 
>knlGS:0000000000000000
>CS:  e033 DS: 0000 ES: 0000
>Process hpiod (pid: 1457, threadinfo ffff880003caa000, task
>ffff880005095830)
>Stack:  ffff88000157e7c0  ffff880002861b80  00000000ffffffff 
>ffff880002861b80  ffff880004d0a000  ffffffff8037ace3  
>0000000000000000  000000d0802a61a2  ffff88000157e7c0  
>ffffffff8020aa86 Call Trace:
> [<ffffffff8037ace3>] hcd_submit_urb+0x697/0x746  
>[<ffffffff8020aa86>] kmem_cache_alloc+0x56/0x61  
>[<ffffffff8025b08d>] cache_alloc_refill+0x6c/0x4eb  
>[<ffffffff8037fd3f>] proc_do_submiturb+0x6ff/0x7c4  
>[<ffffffff8038176b>] usbdev_ioctl+0xe48/0x1393  
>[<ffffffff80227635>] do_filp_open+0x2d/0x3d  
>[<ffffffff80241882>] do_ioctl+0x55/0x6b  [<ffffffff80231010>] 
>vfs_ioctl+0x252/0x26b  [<ffffffff8024bb57>] 
>sys_ioctl+0x59/0x78  [<ffffffff8025be0e>] 
>system_call+0x86/0x8b  [<ffffffff8025bd88>] system_call+0x0/0x8b
>
>
>Code: 0f 0b 68 ca 77 40 80 c2 57 01 4d 85 ed 74 11 49 8b 85 18 
>02 RIP  [<ffffffff80269bac>] dma_map_single+0x128/0x178  RSP 
><ffff880003cabbf8>
>  ... kernel: invalid opcode: 0000 [1] SMP
>
>=== Attempt 2 ===
>Use "swiotlb=force" (as suggested...)
>NOT Permissive
>This seems to be heading the opposite direction that I'm desiring...
>Output is reduced to what I think is useful...
>
>Bootdata ok (command line is root=/dev/sda1 swiotlb=force) 
>Linux version 2.6.18-6-xen-amd64 (Debian 2.6.18.dfsg.1-18etch1)
>(waldi@xxxxxxxxxx) (gcc version 4.1.2 20061115 (prerelease) (Debian
>4.1.1-21)) #1 SMP Sun Feb 10 18:02:52 UTC 2008 BIOS-provided 
>physical RAM map:
> Xen: 0000000000000000 - 0000000006800000 (usable) No mptable found.
>Built 1 zonelists.  Total pages: 26624
>Kernel command line: root=/dev/sda1 swiotlb=force Initializing 
>CPU#0 PID hash table entries: 512 (order: 9, 4096 bytes) Xen 
>reported: 2666.666 MHz processor.
>Dentry cache hash table entries: 16384 (order: 5, 131072 
>bytes) Inode-cache hash table entries: 8192 (order: 4, 65536 bytes)
>----------- [cut here ] --------- [please bite here ] 
>--------- Kernel BUG at lib/../arch/i386/kernel/swiotlb.c:162
>invalid opcode: 0000 [1] SMP
>CPU 0
>Modules linked in:
>Pid: 0, comm: swapper Not tainted 2.6.18-6-xen-amd64 #1
>RIP: e030:[<ffffffff8030c84c>]  [<ffffffff8030c84c>] 
>swiotlb_init_with_default_size+0xa0/0x19e
>RSP: e02b:ffffffff804dbf40  EFLAGS: 00010282
>RAX: 00000000fffffff4 RBX: 0000000000000000 RCX: 0000000000000006
>RDX: ffffffffff578000 RSI: 0000000000000000 RDI: 0000000000000000
>RBP: 0000000004000000 R08: 0000000000001000 R09: ffffffff80522040
>R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
>R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
>FS:  0000000000000000(0000) GS:ffffffff804c3000(0000) 
>knlGS:0000000000000000
>CS:  e033 DS: 0000 ES: 0000
>Process swapper (pid: 0, threadinfo ffffffff804da000, task
>ffffffff8044bce0)
>Stack:  0000000000000000  0000000000020800  0000000000000000
>ffffffff8026e2b2
> 0000000000000000  ffffffff804ecf2a  0000000000000000  
>0000000000020800  0000000000000000  0000000000000000 Call Trace:
> [<ffffffff8026e2b2>] pci_swiotlb_init+0x9/0x2d  
>[<ffffffff804ecf2a>] mem_init+0x5e/0x233  [<ffffffff804e36ea>] 
>start_kernel+0x189/0x21a  [<ffffffff804e320d>] _sinittext+0x20d/0x213
>
>
>Code: 0f 0b 68 e1 36 41 80 c2 a2 00 48 83 eb 80 48 8b 05 67 20 
>24 RIP  [<ffffffff8030c84c>] swiotlb_init_with_default_size+0xa0/0x19e
> RSP <ffffffff804dbf40>
> <0>Kernel panic - not syncing: Attempted to kill the idle task!
>
>
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