Bug 442265
| Summary: | 2.6.24.4-64: rmmod usbserial -> BUG + OOPS (paging request) | ||||||
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| Product: | [Fedora] Fedora | Reporter: | Scott Mcdermott <scott.m.mcdermott> | ||||
| Component: | kernel | Assignee: | Pete Zaitcev <zaitcev> | ||||
| Status: | CLOSED WONTFIX | QA Contact: | Fedora Extras Quality Assurance <extras-qa> | ||||
| Severity: | low | Docs Contact: | |||||
| Priority: | low | ||||||
| Version: | 8 | CC: | kernel-maint | ||||
| Target Milestone: | --- | ||||||
| Target Release: | --- | ||||||
| Hardware: | i386 | ||||||
| OS: | Linux | ||||||
| Whiteboard: | |||||||
| Fixed In Version: | Doc Type: | Bug Fix | |||||
| Doc Text: | Story Points: | --- | |||||
| Clone Of: | Environment: | ||||||
| Last Closed: | 2009-01-09 06:22:58 UTC | Type: | --- | ||||
| Regression: | --- | Mount Type: | --- | ||||
| Documentation: | --- | CRM: | |||||
| Verified Versions: | Category: | --- | |||||
| oVirt Team: | --- | RHEL 7.3 requirements from Atomic Host: | |||||
| Cloudforms Team: | --- | Target Upstream Version: | |||||
| Embargoed: | |||||||
| Attachments: |
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Created attachment 302276 [details]
dmesg output of kernel init, includes oops at bottom
Oops is at drivers/usb/serial/usb-serial.c:140:
serial->type->shutdown(serial);
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Kernel OOPS report: problem: rmmod sierra; rmmod usbserial -> BUG/OOPS -> paging request machine: Lenovo X61s model: CTO-7668 memory: 3GB processor: Core 2 duo L7700, 1.8GHz system: fc8, fully updated involved: embedded Sierra Wireless MC5725, vendor=0x1199, product=0x0220 kernel: 2.6.24.4-64.fc8 Sometimes I want to go really low power when disconnected so I rmmod all the USB stuff and shut off radios. After disabling the WWAN radio via /proc/acpi/ibm/wan and trying to rmmod sierra and then usbserial, I get a kernel BUG/OOPS. Note that the output says that usbserial is linked into the kernel but I'm not sure why because I can remove and add it at will. It just fails sometimes, especially after it's been working and transmitting. It may or may not have to do with disabling the radio first, but I do believe I've triggered it before without having to do that first. If it's important to know I can determine this empirically. It doesn't OOPS all the time even given the reproduction scenario. Sometimes I can do it 2-3 times before it will OOPS. Never will it go more than, say, 5 times without the bug appearing. OOPS is below (inline) and full dmesg output of the kernel init through to the OOPS is attached. No more message text follows. Let me know if anything more is needed or could be helpful. * * * usbcore: deregistering interface driver usbserial_generic BUG: unable to handle kernel paging request at virtual address f8fc3410 printing eip: f8ff5ae3 *pde = 37b69067 *pte = 00000000 Oops: 0000 [#1] SMP Modules linked in: usbserial [...] Pid: 27676, comm: modprobe Not tainted (2.6.24.4-64.fc8 #1) EIP: 0060:[<f8ff5ae3>] EFLAGS: 00210246 CPU: 0 EIP is at destroy_serial+0x3c/0x102 [usbserial] EAX: f5691c80 EBX: f5691c80 ECX: f8871554 EDX: f8fc3360 ESI: f8ff5aa7 EDI: 00000003 EBP: f5cb941c ESP: dd3c8e90 DS: 007b ES: 007b FS: 00d8 GS: 0033 SS: 0068 Process modprobe (pid: 27676, ti=dd3c8000 task=f56693b0 task.ti=dd3c8000) Stack: c04334a0 00200246 c0498db1 00200246 f5691cb4 f8ff5aa7 00000003 c04fc07e f5691c80 c05860e2 f8ffae98 f5691c80 c062b3b3 f5691cb4 f5691c80 f8ff59db f5eb7c00 f8ff5e8a 00000118 00000007 c058688d f5cb9400 f5cb941c f8ffafe0 Call Trace: [<c04334a0>] irq_exit+0x53/0x6b [<c0498db1>] find_inode+0x1b/0x56 [<f8ff5aa7>] destroy_serial+0x0/0x102 [usbserial] [<c04fc07e>] kref_put+0x72/0x7f [<c05860e2>] usb_kill_urb+0x1b/0xcf [<c062b3b3>] mutex_lock+0x1a/0x29 [<f8ff59db>] usb_serial_put+0x1c/0x27 [usbserial] [<f8ff5e8a>] usb_serial_disconnect+0x74/0x9d [usbserial] [<c058688d>] usb_disable_interface+0x22/0x2f [<c0588db2>] usb_unbind_interface+0x44/0x94 [<c05715d8>] __device_release_driver+0x6b/0x88 [<c0571a54>] driver_detach+0x96/0xd2 [<c0571196>] bus_remove_driver+0x63/0x81 [<c0588803>] usb_deregister+0x74/0x7f [<f8ff738f>] usb_serial_generic_deregister+0xa/0x14 [usbserial] [<f8ff7b29>] usb_serial_exit+0x5/0x33 [usbserial] [<c044d6c9>] sys_delete_module+0x177/0x19e [<c045db7d>] audit_syscall_entry+0x10d/0x137 [<c04051da>] syscall_call+0x7/0xb ======================= Code: 25 8b 43 04 8b 00 c7 44 24 08 26 7d ff f8 c7 44 24 04 1c 7f ff f8 c7 04 24 37 84 ff f8 89 44 24 0c e8 7c 9c 43 c7 8b 53 04 89 d8 <ff> 92 b0 00 00 00 83 3d 04 c4 ff f8 00 74 1c c7 44 24 08 35 7d EIP: [<f8ff5ae3>] destroy_serial+0x3c/0x102 [usbserial] SS:ESP 0068:dd3c8e90 ---[ end trace 1192c1a5a507e4df ]---