Messages in this thread | | | From | Rusty Russell <> | Subject | Re: Problem with module-init-tools-3.0-pre3 | Date | Fri, 30 Jan 2004 14:29:59 +1100 |
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In message <16409.11897.539398.14955@ronispc.chem.mcgill.ca> you write: > Rusty Russell writes: > I triggered the bug again, although this time in a different order; > namely, I ran xsane as a regular user, removed the sg and aha152x > modules, and then reran xsane while still root.
Right. Sounds like root v. non-root is a red herring.
BTW, you can just use "dmesg" in 2.6: ksymoops is not needed.
> CPU 1 IS NOW UP! > Unable to handle kernel NULL pointer dereference at virtual address 00000708 > c0162800 > *pde = 00000000 > Oops: 0000 [#1] > CPU: 1 > EIP: 0060:[<c0162800>] Not tainted > Using defaults from ksymoops -t elf32-i386 -a i386 > EFLAGS: 00010202 > eax: e5880000 ebx: 00000708 ecx: 00000015 edx: e5881f28 > esi: f1452780 edi: 00000001 ebp: f1452780 esp: e5881ed8 > ds: 007b es: 007b ss: 0068 > Stack: 00000000 c1b64de0 e5880000 00000000 c01626ef f1452780 c01ebce9 01500000 > f1452780 00000006 c01626d0 00000000 e5880000 00000000 00000000 00000000 > c0162517 f7fe2c00 01500000 e5881f28 00000000 e5ed9080 e83a14d4 00000001 > [<c01626ef>] exact_lock+0xf/0x20 > [<c01ebce9>] kobj_lookup+0x119/0x200 > [<c01626d0>] exact_match+0x0/0x10 > [<c0162517>] chrdev_open+0x1e7/0x290 > [<c0157570>] dentry_open+0x160/0x230 > [<c0157408>] filp_open+0x68/0x70 > [<c015797b>] sys_open+0x5b/0x90 > [<c01092ab>] syscall_call+0x7/0xb > Code: 83 3b 02 8b 40 10 74 7f c1 e0 05 8d 04 18 ff 80 a0 00 00 00 > > >>EIP; c0162800 <cdev_get+20/b0> <===== > Code; c0162800 <cdev_get+20/b0> > 00000000 <_EIP>: > Code; c0162800 <cdev_get+20/b0> <===== > 0: 83 3b 02 cmpl $0x2,(%ebx) <===== > Code; c0162803 <cdev_get+23/b0> > 3: 8b 40 10 mov 0x10(%eax),%eax > Code; c0162806 <cdev_get+26/b0> > 6: 74 7f je 87 <_EIP+0x87> > Code; c0162808 <cdev_get+28/b0> > 8: c1 e0 05 shl $0x5,%eax > Code; c016280b <cdev_get+2b/b0> > b: 8d 04 18 lea (%eax,%ebx,1),%eax > Code; c016280e <cdev_get+2e/b0> > e: ff 80 a0 00 00 00 incl 0xa0(%eax)
Looks like aha152x or sd is not cleaning up properly, and when reinserted, something screws up.
Rusty. -- Anyone who quotes me in their sig is an idiot. -- Rusty Russell. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.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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