From: Mark Lord <lkml@rtr.ca>
To: Greg KH <greg@kroah.com>
Cc: Oliver Neukum <oneukum@suse.de>, Adrian Bunk <bunk@stusta.de>,
Andrew Morton <akpm@linux-foundation.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: [BUG} usb-serial regression in 2.6.21-rc2-git3
Date: Mon, 12 Mar 2007 12:14:10 -0400 [thread overview]
Message-ID: <45F57C52.1010105@rtr.ca> (raw)
In-Reply-To: <45F57BB8.5010705@rtr.ca>
..and here is a retest with linux-2.6.21-rc3-git7
of simply plug/wait/unplug a USB hub/serial/parallel/PS2 gizmo.
I have two of these, with different serial port hardware in each,
and doing this with either of them produces an ooops.
12:12:02 kernel: usb 4-2: new full speed USB device using uhci_hcd and address 2
12:12:02 kernel: usb 4-2: configuration #1 chosen from 1 choice
12:12:02 kernel: hub 4-2:1.0: USB hub found
12:12:02 kernel: hub 4-2:1.0: 5 ports detected
12:12:02 kernel: usb 4-2.3: new full speed USB device using uhci_hcd and address 3
12:12:02 kernel: usb 4-2.3: configuration #1 chosen from 1 choice
12:12:02 kernel: input: MTC PS/2 to USB converter as /class/input/input9
12:12:02 kernel: input: USB HID v1.10 Keyboard [MTC PS/2 to USB converter] on usb-0000:00:1d.3-2.3
12:12:02 kernel: input: MTC PS/2 to USB converter as /class/input/input10
12:12:02 kernel: input: USB HID v1.10 Mouse [MTC PS/2 to USB converter] on usb-0000:00:1d.3-2.3
12:12:02 kernel: usb 4-2.4: new full speed USB device using uhci_hcd and address 4
12:12:03 kernel: usb 4-2.4: configuration #1 chosen from 1 choice
12:12:03 kernel: drivers/usb/serial/usb-serial.c: USB Serial support registered for MCT U232
12:12:03 kernel: usb 4-2.5: new full speed USB device using uhci_hcd and address 5
12:12:03 kernel: usb 4-2.5: configuration #1 chosen from 1 choice
12:12:03 kernel: mct_u232 4-2.4:1.0: MCT U232 converter detected
12:12:03 kernel: usb 4-2.4: MCT U232 converter now attached to ttyUSB2
12:12:03 kernel: usbcore: registered new interface driver mct_u232
12:12:03 kernel: drivers/usb/serial/mct_u232.c: Magic Control Technology USB-RS232 converter driver z2.0
12:12:03 kernel: drivers/usb/class/usblp.c: usblp0: USB Bidirectional printer dev 5 if 0 alt 1 proto 2 vid 0x0711 pid 0x0300
12:12:03 kernel: usbcore: registered new interface driver usblp
12:12:03 kernel: drivers/usb/class/usblp.c: v0.13: USB Printer Device Class driver
12:12:06 kernel: usb 4-2: USB disconnect, address 2
12:12:06 kernel: usb 4-2.3: USB disconnect, address 3
12:12:06 kernel: usb 4-2.4: USB disconnect, address 4
12:12:06 kernel: mct_u232 ttyUSB2: MCT U232 converter now disconnected from ttyUSB2
12:12:06 kernel: BUG: unable to handle kernel NULL pointer dereference at virtual address 00000168
12:12:06 kernel: printing eip:
12:12:06 kernel: f8ca6542
12:12:06 kernel: *pde = 00000000
12:12:06 kernel: Oops: 0000 [#2]
12:12:06 kernel: PREEMPT
12:12:06 kernel: Modules linked in: usblp mct_u232 radeon drm nfsd exportfs lockd nfs_acl sunrpc acpi_cpufreq cpufreq_ondemand cpufreq_powersave cpufreq_userspace cpufreq_stats freq_table cpufreq_conservative ac fan button thermal video battery container processor rfcomm l2cap bluetooth cfq_iosched deflate zlib_deflate twofish twofish_common serpent blowfish des cbc ecb blkcipher aes xcbc sha256 sha1 crypto_null af_key af_packet sbp2 usbhid hid pl2303 usbserial mousedev pcmcia snd_intel8x0 snd_ac97_codec ac97_bus snd_pcm_oss snd_mixer_oss snd_pcm snd_timer ipw2200 snd ieee80211 ieee80211_crypt ohci1394 serio_raw psmouse soundcore snd_page_alloc pcspkr sdhci firmware_class ahci ieee1394 yenta_socket rsrc_nonstatic pcmcia_core ehci_hcd mmc_core b44 mii uhci_hcd usbcore intel_agp agpgart sg sr_mod cdrom unix
12:12:06 kernel: CPU: 0
12:12:06 kernel: EIP: 0060:[<f8ca6542>] Not tainted VLI
12:12:06 kernel: EFLAGS: 00010206 (2.6.21-rc3-git7 #7)
12:12:06 kernel: EIP is at mct_u232_shutdown+0x39/0x65 [mct_u232]
12:12:06 kernel: eax: 00000001 ebx: f7649cc0 ecx: c20df5c0 edx: 00000078
12:12:06 kernel: esi: 00000000 edi: f7649cc0 ebp: f5c45c18 esp: f7437e38
12:12:06 kernel: ds: 007b es: 007b fs: 00d8 gs: 0000 ss: 0068
12:12:06 kernel: Process khubd (pid: 1949, ti=f7436000 task=f7d8da10 task.ti=f7436000)
12:12:06 kernel: Stack: f6c2c478 00000000 f6c2c478 f7649cc0 00000001 f7649cc0 f8a29ca1 f7649cc0
12:12:06 kernel: f7649cc0 f5c45c18 f88c5a43 f7649cf4 f8a29c18 c01ab1b5 00000202 00000000
12:12:06 kernel: f6c2c400 f7649cc0 f6c2c400 f7649cc4 f8a297f7 c01ab1b5 00000001 f5abec67
12:12:06 kernel: Call Trace:
12:12:06 kernel: [<f8a29ca1>] destroy_serial+0x89/0x122 [usbserial]
12:12:06 kernel: [<f88c5a43>] usb_kill_urb+0x4e/0xcb [usbcore]
12:12:06 kernel: [<f8a29c18>] destroy_serial+0x0/0x122 [usbserial]
12:12:06 kernel: [kref_put+95/110] kref_put+0x5f/0x6e
12:12:06 kernel: [<f8a297f7>] usb_serial_disconnect+0x81/0xaa [usbserial]
12:12:06 kernel: [kref_put+95/110] kref_put+0x5f/0x6e
12:12:06 kernel: [<f88c7ca8>] usb_unbind_interface+0x2a/0x59 [usbcore]
12:12:06 kernel: [__device_release_driver+110/139] __device_release_driver+0x6e/0x8b
12:12:06 kernel: [device_release_driver+29/50] device_release_driver+0x1d/0x32
12:12:06 kernel: [bus_remove_device+113/129] bus_remove_device+0x71/0x81
12:12:06 kernel: [device_del+308/405] device_del+0x134/0x195
12:12:06 kernel: [<f88c652d>] usb_disable_device+0x5c/0xbb [usbcore]
12:12:06 kernel: [<f88c2f8d>] usb_disconnect+0x82/0x104 [usbcore]
12:12:06 kernel: [<f88c2f7b>] usb_disconnect+0x70/0x104 [usbcore]
12:12:06 kernel: [<f88c397a>] hub_thread+0x30b/0x9ed [usbcore]
12:12:06 kernel: [activate_task+153/172] activate_task+0x99/0xac
12:12:06 kernel: [schedule+1148/1311] schedule+0x47c/0x51f
12:12:06 kernel: [autoremove_wake_function+0/51] autoremove_wake_function+0x0/0x33
12:12:06 kernel: [<f88c366f>] hub_thread+0x0/0x9ed [usbcore]
12:12:06 kernel: [kthread+155/191] kthread+0x9b/0xbf
12:12:06 kernel: [kthread+0/191] kthread+0x0/0xbf
12:12:06 kernel: [kernel_thread_helper+7/16] kernel_thread_helper+0x7/0x10
12:12:06 kernel: =======================
12:12:06 kernel: Code: 00 74 1c c7 44 24 08 35 6e ca f8 c7 44 24 04 ca 6e ca f8 c7 04 24 47 71 ca f8 e8 46 1b 47 c7 89 fb 31 f6 eb 23 8b 53 14 83 c2 78 <8b> 82 f0 00 00 00 85 c0 74 0f c7 82 f0 00 00 00 00 00 00 00 e8
12:12:06 kernel: EIP: [<f8ca6542>] mct_u232_shutdown+0x39/0x65 [mct_u232] SS:ESP 0068:f7437e38
next prev parent reply other threads:[~2007-03-12 16:14 UTC|newest]
Thread overview: 187+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-02-28 5:16 Linux 2.6.21-rc2 Linus Torvalds
2007-02-28 5:50 ` Gabriel C
2007-02-28 7:13 ` [PATCH] affinity is not defined in non-smp kernels - i386 Fernando Luis Vázquez Cao
2007-02-28 7:16 ` [PATCH] affinity is not defined in non-smp kernels - i386 (v2) Fernando Luis Vázquez Cao
2007-02-28 7:24 ` [PATCH] affinity is not defined in non-smp kernels - i386 Eric W. Biederman
2007-02-28 17:31 ` Bill Davidsen
2007-02-28 18:21 ` Eric W. Biederman
2007-02-28 18:30 ` Linus Torvalds
2007-02-28 7:42 ` [PATCH] affinity is not defined in non-smp kernels - i386 (v2) Fernando Luis Vázquez Cao
2007-02-28 7:17 ` [PATCH] affinity is not defined in non-smp kernels - x86_64 Fernando Luis Vázquez Cao
2007-02-28 7:23 ` Linux 2.6.21-rc2 David Brown
2007-02-28 7:39 ` Brice Goglin
2007-02-28 13:09 ` Eric W. Biederman
2007-02-28 16:44 ` David Brown
2007-02-28 17:07 ` Randy Dunlap
2007-02-28 7:41 ` [PATCH] affinity is not defined in non-smp kernels - x86_64 Fernando Luis Vázquez Cao
2007-02-28 7:59 ` Linux 2.6.21-rc2 Damien Wyart
2007-03-05 1:50 ` [1/6] 2.6.21-rc2: known regressions Adrian Bunk
2007-03-05 2:26 ` Andrew Morton
2007-03-05 3:35 ` Greg KH
2007-03-06 0:55 ` Johannes Berg
2007-03-05 4:01 ` Mark Lord
2007-03-05 4:34 ` Greg KH
2007-03-05 12:42 ` Marcel Holtmann
2007-03-05 4:34 ` [BUG} usb regression in 2.6.21-rc2-git3 Mark Lord
2007-03-05 4:37 ` [BUG] sdhci regression in 2.6.21-rc2 Mark Lord
2007-03-05 5:36 ` Pierre Ossman
2007-03-05 14:25 ` Mark Lord
2007-03-05 15:19 ` Mark Lord
2007-03-06 4:17 ` Andrew Morton
2007-03-06 5:47 ` Pierre Ossman
2007-03-06 6:09 ` Andrew Morton
2007-03-06 7:23 ` Pierre Ossman
2007-03-05 15:20 ` Pierre Ossman
2007-03-05 15:23 ` Pierre Ossman
2007-03-05 15:35 ` Mark Lord
2007-03-05 16:00 ` Pierre Ossman
2007-03-05 16:18 ` Mark Lord
2007-03-05 4:43 ` [BUG} usb regression in 2.6.21-rc2-git3 Mark Lord
2007-03-12 14:56 ` [BUG} usb-serial " Mark Lord
2007-03-12 15:06 ` Oliver Neukum
2007-03-12 15:13 ` Mark Lord
2007-03-12 15:27 ` Oliver Neukum
2007-03-12 15:29 ` Greg KH
2007-03-12 15:38 ` Oliver Neukum
2007-03-12 16:03 ` Mark Lord
2007-03-12 16:10 ` Greg KH
2007-03-12 16:22 ` Mark Lord
2007-03-12 16:11 ` Mark Lord
2007-03-12 16:14 ` Mark Lord [this message]
2007-03-12 16:27 ` Mark Lord
2007-03-12 16:50 ` Mark Lord
2007-03-12 18:48 ` Oliver Neukum
2007-03-12 20:22 ` [PATCH] usb-serial regression (Oops) in 2.6.21-rc* Mark Lord
2007-03-12 20:33 ` Greg KH
2007-03-12 22:20 ` Mark Lord
2007-03-12 22:42 ` Jim Radford
2007-03-12 22:59 ` [PATCH] usb-serial regression fix Jim Radford
2007-03-13 0:18 ` Greg KH
2007-03-13 0:41 ` Jim Radford
2007-03-13 1:55 ` Mark Lord
2007-03-13 9:14 ` Jim Radford
2007-03-13 10:14 ` Oliver Neukum
2007-03-13 13:39 ` Mark Lord
2007-03-13 13:50 ` Oliver Neukum
2007-03-13 13:55 ` Mark Lord
2007-03-13 15:30 ` Jim Radford
2007-03-13 16:35 ` Mark Lord
2007-03-12 16:28 ` [BUG} usb-serial regression in 2.6.21-rc2-git3 Oliver Neukum
2007-03-12 15:31 ` Greg KH
2007-03-07 11:06 ` [1/6] 2.6.21-rc2: known regressions Jeff Garzik
2007-03-07 22:17 ` Albert Hopkins
2007-03-05 1:50 ` [2/6] " Adrian Bunk
2007-03-07 11:09 ` Jeff Garzik
2007-03-07 16:10 ` Linus Torvalds
2007-03-08 12:03 ` Ash Milsted
2007-03-08 12:31 ` Michael S. Tsirkin
2007-03-08 15:11 ` Jeff Chua
2007-03-08 18:01 ` Linus Torvalds
2007-03-08 19:06 ` Ingo Molnar
2007-03-08 19:10 ` Ingo Molnar
2007-03-08 19:47 ` Michael S. Tsirkin
2007-03-08 20:10 ` Ingo Molnar
2007-03-08 19:25 ` Ingo Molnar
2007-03-08 23:07 ` Ingo Molnar
2007-03-08 23:12 ` Ingo Molnar
2007-03-08 23:28 ` Ingo Molnar
2007-03-08 23:49 ` Linus Torvalds
2007-03-09 10:56 ` Ingo Molnar
2007-03-09 18:00 ` Linus Torvalds
2007-03-09 11:19 ` Pavel Machek
2007-03-18 16:07 ` Ingo Molnar
2007-03-18 16:40 ` [linux-pm] " Jim Gettys
2007-03-19 19:08 ` BSOD (was: [2/6] 2.6.21-rc2: known regressions) Pete Zaitcev
2007-03-19 19:38 ` BSOD David Miller
2007-03-19 19:54 ` BSOD Jesse Barnes
2007-03-19 20:05 ` BSOD David Miller
2007-03-19 20:20 ` BSOD Jesse Barnes
2007-03-19 20:20 ` BSOD Jim Gettys
2007-03-20 9:19 ` BSOD Paul Mackerras
2007-03-20 20:33 ` BSOD Jim Gettys
2007-03-19 20:33 ` [linux-pm] [2/6] 2.6.21-rc2: known regressions Bill Davidsen
2007-03-19 22:08 ` Jim Gettys
2007-03-20 14:44 ` Bill Davidsen
2007-03-09 17:48 ` Johannes Stezenbach
2007-03-09 23:35 ` Pavel Machek
2007-03-10 9:01 ` Ingo Molnar
2007-03-10 11:43 ` Stefan Seyfried
2007-03-10 13:53 ` Johannes Stezenbach
2007-03-10 15:18 ` Ingo Molnar
2007-03-10 22:08 ` Pavel Machek
2007-03-11 8:20 ` Ingo Molnar
2007-03-12 6:34 ` Stefan Seyfried
2007-03-10 22:04 ` s2ram (was Re: [2/6] 2.6.21-rc2: known regressions) Pavel Machek
2007-03-08 19:46 ` [2/6] 2.6.21-rc2: known regressions Michael S. Tsirkin
2007-03-08 19:57 ` Michael S. Tsirkin
[not found] ` <20070311120802.GA8823@elte.hu>
2007-03-12 20:20 ` Michael S. Tsirkin
2007-03-17 21:41 ` Michael S. Tsirkin
2007-03-17 22:33 ` Thomas Gleixner
2007-03-21 17:28 ` Michael S. Tsirkin
2007-03-05 1:50 ` [3/6] " Adrian Bunk
2007-03-05 3:58 ` Michal Jaegermann
2007-03-06 17:08 ` Alan Cox
2007-03-07 11:12 ` Jeff Garzik
2007-03-10 1:09 ` Mathieu Bérard
2007-03-10 4:11 ` and try remove another quirk on this computers " Sergio Monteiro Basto
2007-03-10 5:41 ` Linus Torvalds
2007-03-11 4:32 ` Sergio Monteiro Basto
2007-03-12 11:37 ` Tejun Heo
2007-03-13 12:31 ` Mathieu Bérard
2007-03-13 12:41 ` Tejun Heo
2007-03-13 20:56 ` Mathieu Bérard
2007-03-14 6:07 ` Tejun Heo
2007-03-14 10:49 ` Mathieu Bérard
2007-03-05 1:50 ` [4/6] " Adrian Bunk
2007-03-05 10:35 ` Antonino A. Daplas
2007-03-05 15:06 ` Andrew
2007-03-08 23:28 ` Len Brown
2007-03-09 19:25 ` Andrew
2007-03-05 12:21 ` Richard Purdie
2007-03-05 1:50 ` [5/6] " Adrian Bunk
2007-03-05 7:57 ` Ingo Molnar
2007-03-05 8:13 ` Andrew Morton
2007-03-05 15:25 ` Daniel Walker
2007-03-05 15:27 ` Ingo Molnar
2007-03-05 16:42 ` Daniel Walker
2007-03-05 19:30 ` Ingo Molnar
2007-03-05 16:14 ` Bill Davidsen
2007-03-05 16:21 ` Ingo Molnar
2007-03-05 23:12 ` Adrian Bunk
2007-03-05 23:43 ` Thomas Gleixner
2007-03-05 23:45 ` Linus Torvalds
2007-03-06 0:25 ` Thomas Gleixner
2007-03-06 6:49 ` Soeren Sonnenburg
2007-03-06 7:49 ` Soeren Sonnenburg
2007-03-06 0:38 ` Linus Torvalds
2007-03-06 1:02 ` Thomas Gleixner
2007-03-06 1:31 ` Linus Torvalds
2007-03-06 2:18 ` Linus Torvalds
2007-03-06 7:25 ` Ingo Molnar
2007-03-06 8:09 ` Thomas Gleixner
2007-03-06 10:33 ` Michael S. Tsirkin
2007-03-06 10:37 ` Ingo Molnar
2007-03-06 10:46 ` Michael S. Tsirkin
2007-03-06 11:32 ` Ingo Molnar
2007-03-06 12:20 ` Michael S. Tsirkin
2007-03-06 16:44 ` Linus Torvalds
2007-03-06 17:05 ` Ingo Molnar
2007-03-06 17:29 ` [PATCH] highres: do not run the TIMER_SOFTIRQ after switching to highres mode Thomas Gleixner
2007-03-06 17:41 ` Linus Torvalds
2007-03-16 15:18 ` [5/6] 2.6.21-rc2: known regressions Randy Dunlap
2007-03-06 11:36 ` Soeren Sonnenburg
2007-03-06 12:07 ` Ingo Molnar
2007-03-06 12:15 ` Michael S. Tsirkin
2007-03-06 12:51 ` Ingo Molnar
2007-03-06 12:55 ` Michael S. Tsirkin
2007-03-06 13:03 ` Ingo Molnar
2007-03-06 13:09 ` Thomas Gleixner
2007-03-06 12:09 ` Jeff Chua
2007-03-11 17:32 ` Pavel Machek
2007-03-06 10:33 ` Michael S. Tsirkin
2007-03-05 1:50 ` [6/6] " Adrian Bunk
2007-03-05 2:07 ` David Miller
2007-03-05 2:26 ` Adrian Bunk
2007-03-05 2:29 ` David Miller
2007-03-05 4:42 ` David Miller
2007-03-05 3:32 ` Greg KH
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