Messages in this thread | | | Date | Sun, 31 Dec 2000 06:50:44 -0800 | From | David Brownell <> | Subject | Re: test13-pre6 -- OOPS at boot time in kmem_cache_create (usb-ohcirelated) |
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This BUG() probably means you need to enable DEBUG in mm/slab.c before you try have OHCI use slab poisoning.
Enable both, or neither, and all should be fine.
- Dave
----- Original Message ----- From: Miles Lane <miles@megapathdsl.net> To: Linux Kernel <linux-kernel@vger.kernel.org>; David Brownell <david-b@pacbell.net> Sent: Saturday, December 30, 2000 11:03 PM Subject: test13-pre6 -- OOPS at boot time in kmem_cache_create (usb-ohcirelated)
> This OOPS occured at boot time when I did not have my Belkin > BusPort Mobile USB host-controller inserted. /etc/usb/rc.usb > tried loading usb-ohci. After the boot process completed > (after the OOPS occured), I was unable to unload the module > and lsmod showed that usb-ohci was still initializing. > Presumably, it got wedged when the OOPS occured? > > ksymoops 2.3.5 on i686 2.4.0-test13-pre6. Options used > > Kernel command line: BOOT_IMAGE=Serial-Debug ro root=305 pci=biosirq > console=ttyS0,38400 console=tty0 setup_delay=10 > kernel BUG at slab.c:660! > invalid operand: 0000 > CPU: 0 > EIP: 0010:[<c01284bc>] > Using defaults from ksymoops -t elf32-i386 -a i386 > EFLAGS: 00010292 > eax: 0000001a ebx: 00002800 ecx: 00000001 edx: 00000001 > esi: 00002800 edi: c5824929 ebp: c58251bc esp: c4af1eb4 > ds: 0018 es: 0018 ss: 0018 > Process modprobe (pid: 84, stackpage=c4af1000) > Stack: c01ee425 c01ee4a5 00000294 00002800 c58247d0 00000001 c58251bc > 000041f0 > c021c900 000038d8 000038db 00000286 00000203 00000000 c58251b4 > c5821079 > c5824921 00000020 00000000 00002800 00000000 00000000 c5821000 > c58247d6 > Call Trace: [<c01ee425>] [<c01ee4a5>] [<c58247d0>] [<c58251bc>] > [<c58251b4>] [<c5821079>] [<c5824921>] > [<c5821000>] [<c58247d6>] [<c5821000>] [<c0116b78>] [<c5813000>] > [<c5813000>] [<c58251a8>] [<c5813000>] > [<c5821060>] [<c0108d57>] > Code: 0f 0b 83 c4 0c 6a 07 68 80 c6 21 c0 e8 03 07 00 00 89 c5 83 > > >>EIP; c01284bc <kmem_cache_create+94/3b8> <===== > Trace; c01ee425 <tvecs+195d/abb8> > Trace; c01ee4a5 <tvecs+19dd/abb8> > Trace; c58247d0 <[usb-ohci]init_module+0/0> > Trace; c58251bc <[usb-ohci].bss.end+15/39> > Trace; c58251b4 <[usb-ohci].bss.end+d/39> > Trace; c5821079 <[usb-ohci]ohci_mem_init+19/78> > Trace; c5824921 <[usb-ohci].rodata.start+101/76c> > Trace; c5821000 <[usbcore]__kstrtab_usb_devfs_handle+1864/18c4> > Trace; c58247d6 <[usb-ohci]ohci_hcd_init+6/3c> > Trace; c5821000 <[usbcore]__kstrtab_usb_devfs_handle+1864/18c4> > Trace; c0116b78 <sys_init_module+58c/630> > Trace; c5813000 <_end+557b9b0/557ba10> > Trace; c5813000 <_end+557b9b0/557ba10> > Trace; c58251a8 <[usb-ohci].bss.end+1/39> > Trace; c5813000 <_end+557b9b0/557ba10> > Trace; c5821060 <[usb-ohci]ohci_mem_init+0/78> > Trace; c0108d57 <system_call+33/38> > Code; c01284bc <kmem_cache_create+94/3b8> > 00000000 <_EIP>: > Code; c01284bc <kmem_cache_create+94/3b8> <===== > 0: 0f 0b ud2a <===== > Code; c01284be <kmem_cache_create+96/3b8> > 2: 83 c4 0c add $0xc,%esp > Code; c01284c1 <kmem_cache_create+99/3b8> > 5: 6a 07 push $0x7 > Code; c01284c3 <kmem_cache_create+9b/3b8> > 7: 68 80 c6 21 c0 push $0xc021c680 > Code; c01284c8 <kmem_cache_create+a0/3b8> > c: e8 03 07 00 00 call 714 <_EIP+0x714> c0128bd0 > <kmem_cache_alloc+0/58> > Code; c01284cd <kmem_cache_create+a5/3b8> > 11: 89 c5 mov %eax,%ebp > Code; c01284cf <kmem_cache_create+a7/3b8> > 13: 83 00 00 addl $0x0,(%eax) > > > 1 warning issued. Results may not be reliable. >
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