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Message-ID: <20100208194745.3aab6d1a@neptune.home> Date: Mon, 8 Feb 2010 19:47:45 +0100 From: Bruno Prémont <bonbons@...ux-vserver.org> To: Alan Stern <stern@...land.harvard.edu> Cc: Jiri Kosina <jkosina@...e.cz>, Oliver Neukum <oliver@...kum.org>, Stephen Rothwell <sfr@...b.auug.org.au>, Marcel Holtmann <marcel@...tmann.org>, H Hartley Sweeten <hsweeten@...ionengravers.com>, <linux-usb@...r.kernel.org>, <linux-input@...r.kernel.org>, <linux-kernel@...r.kernel.org> Subject: Re: S2R resume crash in 2.6.33-rc7 - NULL pointer dereference in dev_get_drvdata() for usbhid On Mon, 8 Feb 2010, Bruno [UTF-8] Prémont wrote: > 2.6.33-rc7 (don't know if any previous version resumes properly) > crashes during resume from S2Ram when my USB keyboard is connected > but resumes properly (viafb corruption put apart) when the USB > keyboard is not connected. > > Keyboard detection: > [ 3.070054] usb 2-2: new full speed USB device using uhci_hcd and address 2 > [ 3.220179] kbd_mode used greatest stack depth: 2228 bytes left > [ 3.276403] usb 2-2: New USB device found, idVendor=058f, idProduct=9462 > [ 3.276514] usb 2-2: New USB device strings: Mfr=1, Product=2, SerialNumber=0 > [ 3.276619] usb 2-2: Product: Multimedia USB Keyboard > [ 3.276711] usb 2-2: Manufacturer: Multimedia USB Keyboard > [ 3.278056] loadkeys used greatest stack depth: 1904 bytes left > [ 3.278791] init-early.sh used greatest stack depth: 1700 bytes left > [ 3.282561] hub 2-2:1.0: USB hub found > [ 3.286387] hub 2-2:1.0: 3 ports detected > [ 3.571454] usb 2-2.1: new full speed USB device using uhci_hcd and address 3 > [ 3.761474] usb 2-2.1: New USB device found, idVendor=058f, idProduct=9462 > [ 3.761584] usb 2-2.1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 > [ 3.761719] usb 2-2.1: Product: Multimedia USB Keyboard > [ 3.762518] usb 2-2.1: Manufacturer: Multimedia USB Keyboard > [ 3.762612] usb 2-2.1: SerialNumber: Multimedia USB Keyboard > [ 3.789221] input: Multimedia USB Keyboard Multimedia USB Keyboard as /devices/pci0000:00/0000:00:10.0/usb2/2-2/2-2.1/2-2.1:1.0/input/input4 > [ 3.789585] generic-usb 0003:058F:9462.0001: input: USB HID v1.10 Keyboard [Multimedia USB Keyboard Multimedia USB Keyboard] on usb-0000:00:10.0-2.1/input0 > [ 3.818001] generic-usb: probe of 0003:058F:9462.0002 failed with error -22 On Mon, 08 February 2010 Alan Stern <stern@...land.harvard.edu> wrote: > > Could the crash be related to the generic-usb probe error? > > Yes, it could. Can you post the contents of > /sys/kernel/debug/usb/devices (after mounting a debugfs filesystem on > /sys/kernel/debug), with the keyboard plugged in? Here it is: T: Bus=04 Lev=00 Prnt=00 Port=00 Cnt=00 Dev#= 1 Spd=12 MxCh= 2 B: Alloc= 0/900 us ( 0%), #Int= 0, #Iso= 0 D: Ver= 1.10 Cls=09(hub ) Sub=00 Prot=00 MxPS=64 #Cfgs= 1 P: Vendor=1d6b ProdID=0001 Rev= 2.06 S: Manufacturer=Linux 2.6.33-rc7-venus uhci_hcd S: Product=UHCI Host Controller S: SerialNumber=0000:00:10.2 C:* #Ifs= 1 Cfg#= 1 Atr=e0 MxPwr= 0mA I:* If#= 0 Alt= 0 #EPs= 1 Cls=09(hub ) Sub=00 Prot=00 Driver=hub E: Ad=81(I) Atr=03(Int.) MxPS= 2 Ivl=255ms T: Bus=03 Lev=00 Prnt=00 Port=00 Cnt=00 Dev#= 1 Spd=12 MxCh= 2 B: Alloc= 0/900 us ( 0%), #Int= 0, #Iso= 0 D: Ver= 1.10 Cls=09(hub ) Sub=00 Prot=00 MxPS=64 #Cfgs= 1 P: Vendor=1d6b ProdID=0001 Rev= 2.06 S: Manufacturer=Linux 2.6.33-rc7-venus uhci_hcd S: Product=UHCI Host Controller S: SerialNumber=0000:00:10.1 C:* #Ifs= 1 Cfg#= 1 Atr=e0 MxPwr= 0mA I:* If#= 0 Alt= 0 #EPs= 1 Cls=09(hub ) Sub=00 Prot=00 Driver=hub E: Ad=81(I) Atr=03(Int.) MxPS= 2 Ivl=255ms T: Bus=02 Lev=00 Prnt=00 Port=00 Cnt=00 Dev#= 1 Spd=12 MxCh= 2 B: Alloc= 2/900 us ( 0%), #Int= 2, #Iso= 0 D: Ver= 1.10 Cls=09(hub ) Sub=00 Prot=00 MxPS=64 #Cfgs= 1 P: Vendor=1d6b ProdID=0001 Rev= 2.06 S: Manufacturer=Linux 2.6.33-rc7-venus uhci_hcd S: Product=UHCI Host Controller S: SerialNumber=0000:00:10.0 C:* #Ifs= 1 Cfg#= 1 Atr=e0 MxPwr= 0mA I:* If#= 0 Alt= 0 #EPs= 1 Cls=09(hub ) Sub=00 Prot=00 Driver=hub E: Ad=81(I) Atr=03(Int.) MxPS= 2 Ivl=255ms T: Bus=02 Lev=01 Prnt=01 Port=01 Cnt=01 Dev#= 2 Spd=12 MxCh= 3 D: Ver= 1.10 Cls=09(hub ) Sub=00 Prot=00 MxPS= 8 #Cfgs= 1 P: Vendor=058f ProdID=9462 Rev= 1.58 S: Manufacturer=Multimedia USB Keyboard S: Product=Multimedia USB Keyboard C:* #Ifs= 1 Cfg#= 1 Atr=a0 MxPwr= 50mA I:* If#= 0 Alt= 0 #EPs= 1 Cls=09(hub ) Sub=00 Prot=00 Driver=hub E: Ad=81(I) Atr=03(Int.) MxPS= 1 Ivl=255ms T: Bus=02 Lev=02 Prnt=02 Port=00 Cnt=01 Dev#= 3 Spd=12 MxCh= 0 D: Ver= 1.10 Cls=00(>ifc ) Sub=00 Prot=00 MxPS= 8 #Cfgs= 1 P: Vendor=058f ProdID=9462 Rev= 4.10 S: Manufacturer=Multimedia USB Keyboard S: Product=Multimedia USB Keyboard S: SerialNumber=Multimedia USB Keyboard C:* #Ifs= 2 Cfg#= 1 Atr=a0 MxPwr= 50mA I:* If#= 0 Alt= 0 #EPs= 1 Cls=03(HID ) Sub=01 Prot=01 Driver=usbhid E: Ad=81(I) Atr=03(Int.) MxPS= 8 Ivl=10ms I:* If#= 1 Alt= 0 #EPs= 1 Cls=03(HID ) Sub=00 Prot=00 Driver=usbhid E: Ad=82(I) Atr=03(Int.) MxPS= 4 Ivl=255ms T: Bus=01 Lev=00 Prnt=00 Port=00 Cnt=00 Dev#= 1 Spd=480 MxCh= 6 B: Alloc= 0/800 us ( 0%), #Int= 0, #Iso= 0 D: Ver= 2.00 Cls=09(hub ) Sub=00 Prot=00 MxPS=64 #Cfgs= 1 P: Vendor=1d6b ProdID=0002 Rev= 2.06 S: Manufacturer=Linux 2.6.33-rc7-venus ehci_hcd S: Product=EHCI Host Controller S: SerialNumber=0000:00:10.4 C:* #Ifs= 1 Cfg#= 1 Atr=e0 MxPwr= 0mA I:* If#= 0 Alt= 0 #EPs= 1 Cls=09(hub ) Sub=00 Prot=00 Driver=hub E: Ad=81(I) Atr=03(Int.) MxPS= 4 Ivl=256ms Thanks, Bruno -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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