On Tue, 12 Oct 2004, Laurent Riffard wrote: > Hello, > > I posted the following bug to linux-usb-devel, and I did not receive > any reply. > > As the problem still occurs with 2.6.9-rc4-mm1 > (optimize-profile-path-slightly.patch reverted), I decided to post > it again. > > I cc Greg KH because he provides a fix for pci_register_driver and > this oops is (indirectly) triggered by pci_unregister_driver (maybe > these two things are related, just a guess...). > > regards > ~~ > laurent > > -------- Original Message -------- > Subject: 2.6.9-rc3-mm2 : oops when rmmod uhci_hcd > Date: Wed, 06 Oct 2004 23:30:16 +0200 > From: Laurent Riffard <[EMAIL PROTECTED]> > To: [EMAIL PROTECTED] > > Hello > > I've got a oops when I rmmod uhci_hcd module : > > Unable to handle kernel paging request at virtual address 6b6b6b6b > printing eip: > c0186959 > *pde = 00000000 > Oops: 0000 [#1] > PREEMPT > Modules linked in: ne2k_pci 8390 crc32 ohci1394 ieee1394 > nls_iso8859_1 nls_cp850 > vfat fat reiser4 reiserfs via_agp agpgart dm_mod joydev uhci_hcd > usbcore rtc > CPU: 0 > EIP: 0060:[<c0186959>] Not tainted VLI > EFLAGS: 00010246 (2.6.9-rc3-mm2) > EIP is at remove_proc_entry+0x29/0x140 > eax: 00000000 ebx: 6b6b6b6b ecx: ffffffff edx: cffa0770 > esi: c037ab40 edi: 6b6b6b6b ebp: cc0a7ea0 esp: cc0a7e7c > ds: 007b es: 007b ss: 0068 > Process rmmod (pid: 1514, threadinfo=cc0a6000 task=cfbd8680) > Stack: c1301938 cc0a7e90 c022b9ed c034fa14 cffa0770 6b6b6b6b f58c7d8 > c037ab40 > c13e593c cc0a7ec8 c013813e 00000286 00000003 cc0a6000 > 0000212 00000005 > c13e593c c13018f4 c1301938 cc0a7eec d083d3ff d084286a > 0821af4 c1301990 > Call Trace: > [<c0105dd6>] show_stack+0xa6/0xb0 > [<c0105f4d>] show_registers+0x14d/0x1c0 > [<c0106134>] die+0xe4/0x170 > [<c0115822>] do_page_fault+0x4c2/0x5f7 > [<c01059a9>] error_code+0x2d/0x38 > [<c013813e>] free_irq+0x8e/0xf0 > [<d083d3ff>] usb_hcd_pci_remove+0xaf/0x180 [usbcore] > [<c01c27b6>] pci_device_remove+0x66/0x70 > [<c022cbf7>] device_release_driver+0x57/0x60 > [<c022cc19>] driver_detach+0x19/0x30 > [<c022d0bc>] bus_remove_driver+0x5c/0xa0 > [<c022d5a7>] driver_unregister+0x17/0x40 > [<c01c29ae>] pci_unregister_driver+0xe/0x20 > [<d08219e0>] uhci_hcd_cleanup+0x10/0x56 [uhci_hcd] > [<c0132b17>] sys_delete_module+0x177/0x1a0 > [<c0104f4d>] sysenter_past_esp+0x52/0x71 > Code: 00 00 55 89 e5 83 ec 24 85 d2 89 5d f4 89 75 f8 89 7d fc 89 55 > ec 89 45 f0 > 0f 84 96 00 00 00 8b 5d f0 31 c0 b9 ff ff ff ff 89 df <f2> ae f7 > d1 49 8b 42 34 > 8d 7a 34 89 ce 85 c0 74 6e 8b 0f 89 da > > > I'm running kernel 2.6.9-rc3-mm2 with patches : > - pci_register_driver fix from greg KH > http://marc.theaimsgroup.com/?l=linux-kernel&m=109692915116202 > - compilation fix for arch/i386/kernel/irq.c > http://marc.theaimsgroup.com/?l=linux-kernel&m=109688635818749 > - preempt fix from Andrew Morton > http://marc.theaimsgroup.com/?l=linux-kernel&m=109692695515504 > > Attached below : > - full dmesg > - ksymoops output > > For "lspci -v" output and .config, please see > http://marc.theaimsgroup.com/?l=linux-kernel&m=109680811022527&q=p7 and > http://marc.theaimsgroup.com/?l=linux-kernel&m=109680811022527&q=p8
My impression is that this problem arises somewhere within or below the free_irq routine. I don't have the -mm2 sources, so I can't be any more precise than that. Alan Stern ------------------------------------------------------- This SF.net email is sponsored by: IT Product Guide on ITManagersJournal Use IT products in your business? Tell us what you think of them. Give us Your Opinions, Get Free ThinkGeek Gift Certificates! Click to find out more http://productguide.itmanagersjournal.com/guidepromo.tmpl _______________________________________________ [EMAIL PROTECTED] To unsubscribe, use the last form field at: https://lists.sourceforge.net/lists/listinfo/linux-usb-devel
