Re: [BUG] 2.6.22-rc3-mm1 remove bluetooth usb adapter caused kmalloc bug

2007-06-06 Thread dave young
Hi, 2007/6/6, Christoph Lameter <[EMAIL PROTECTED]>: Note that the corruption seems to have its cause in a decrement done at offset 16 into the object pointing to the refcount in struct hci_dev. So it looks like the refcount was decremented after the object was freed. sysfs related? I

Re: [BUG] 2.6.22-rc3-mm1 remove bluetooth usb adapter caused kmalloc bug

2007-06-06 Thread Jiri Kosina
On Tue, 5 Jun 2007, Andrew Morton wrote: > Could perhaps be due to bluetooth-postpone-hci_dev-unregistration.patch, > but I don't see how. (But that patch looks a bit dodgy wrt module > unload so I think I'll drop it). It is perfectly fine to drop this one, as the issue it was trying to solve

Re: [BUG] 2.6.22-rc3-mm1 remove bluetooth usb adapter caused kmalloc bug

2007-06-06 Thread Jiri Kosina
On Tue, 5 Jun 2007, Andrew Morton wrote: Could perhaps be due to bluetooth-postpone-hci_dev-unregistration.patch, but I don't see how. (But that patch looks a bit dodgy wrt module unload so I think I'll drop it). It is perfectly fine to drop this one, as the issue it was trying to solve

Re: [BUG] 2.6.22-rc3-mm1 remove bluetooth usb adapter caused kmalloc bug

2007-06-06 Thread dave young
Hi, 2007/6/6, Christoph Lameter [EMAIL PROTECTED]: Note that the corruption seems to have its cause in a decrement done at offset 16 into the object pointing to the refcount in struct hci_dev. So it looks like the refcount was decremented after the object was freed. sysfs related? I tested

Re: [BUG] 2.6.22-rc3-mm1 remove bluetooth usb adapter caused kmalloc bug

2007-06-05 Thread young dave
Hi, 2007/6/6, Christoph Lameter <[EMAIL PROTECTED]>: Note that the corruption seems to have its cause in a decrement done at offset 16 into the object pointing to the refcount in struct hci_dev. So it looks like the refcount was decremented after the object was freed. sysfs related? I noticed

Re: [BUG] 2.6.22-rc3-mm1 remove bluetooth usb adapter caused kmalloc bug

2007-06-05 Thread Christoph Lameter
Note that the corruption seems to have its cause in a decrement done at offset 16 into the object pointing to the refcount in struct hci_dev. So it looks like the refcount was decremented after the object was freed. sysfs related? - To unsubscribe from this list: send the line "unsubscribe

Re: [BUG] 2.6.22-rc3-mm1 remove bluetooth usb adapter caused kmalloc bug

2007-06-05 Thread Andrew Morton
On Wed, 6 Jun 2007 03:27:31 + "young dave" <[EMAIL PROTECTED]> wrote: > Hi, > > Are you able to reproduce this in 2.6.22-rc4? > > The bug seems doesn't exist in 2.6.22-rc4, I have tested it, the > unpluging can't produce kernel bug message. > OK, thanks. I'll drop

Re: [BUG] 2.6.22-rc3-mm1 remove bluetooth usb adapter caused kmalloc bug

2007-06-05 Thread young dave
Hi, Are you able to reproduce this in 2.6.22-rc4? The bug seems doesn't exist in 2.6.22-rc4, I have tested it, the unpluging can't produce kernel bug message. Regards dave - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED]

Re: [BUG] 2.6.22-rc3-mm1 remove bluetooth usb adapter caused kmalloc bug

2007-06-05 Thread young dave
Hi, Are you able to reproduce this in 2.6.22-rc4? The kmalloc in dmesg is in skbuff.c:pskb_expand_head, I will try 2.6.22-rc4 ASAP. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at

Re: [BUG] 2.6.22-rc3-mm1 remove bluetooth usb adapter caused kmalloc bug

2007-06-05 Thread Andrew Morton
On Wed, 6 Jun 2007 01:56:01 + "young dave" <[EMAIL PROTECTED]> wrote: > Hi, > when I remove the usb bluetooth adapter , the kernel reporting bug: > > /* this two line is printk message I printed in net/bluetooth/hci_core.c */ > > #before free dev: c3758430 > #after free dev > >

[BUG] 2.6.22-rc3-mm1 remove bluetooth usb adapter caused kmalloc bug

2007-06-05 Thread young dave
Hi, when I remove the usb bluetooth adapter , the kernel reporting bug: /* this two line is printk message I printed in net/bluetooth/hci_core.c */ #before free dev: c3758430 #after free dev = BUG kmalloc-1024: Poison

[BUG] 2.6.22-rc3-mm1 remove bluetooth usb adapter caused kmalloc bug

2007-06-05 Thread young dave
Hi, when I remove the usb bluetooth adapter , the kernel reporting bug: /* this two line is printk message I printed in net/bluetooth/hci_core.c */ #before free dev: c3758430 #after free dev = BUG kmalloc-1024: Poison

Re: [BUG] 2.6.22-rc3-mm1 remove bluetooth usb adapter caused kmalloc bug

2007-06-05 Thread Andrew Morton
On Wed, 6 Jun 2007 01:56:01 + young dave [EMAIL PROTECTED] wrote: Hi, when I remove the usb bluetooth adapter , the kernel reporting bug: /* this two line is printk message I printed in net/bluetooth/hci_core.c */ #before free dev: c3758430 #after free dev

Re: [BUG] 2.6.22-rc3-mm1 remove bluetooth usb adapter caused kmalloc bug

2007-06-05 Thread young dave
Hi, Are you able to reproduce this in 2.6.22-rc4? The kmalloc in dmesg is in skbuff.c:pskb_expand_head, I will try 2.6.22-rc4 ASAP. - To unsubscribe from this list: send the line unsubscribe linux-kernel in the body of a message to [EMAIL PROTECTED] More majordomo info at

Re: [BUG] 2.6.22-rc3-mm1 remove bluetooth usb adapter caused kmalloc bug

2007-06-05 Thread young dave
Hi, Are you able to reproduce this in 2.6.22-rc4? The bug seems doesn't exist in 2.6.22-rc4, I have tested it, the unpluging can't produce kernel bug message. Regards dave - To unsubscribe from this list: send the line unsubscribe linux-kernel in the body of a message to [EMAIL PROTECTED]

Re: [BUG] 2.6.22-rc3-mm1 remove bluetooth usb adapter caused kmalloc bug

2007-06-05 Thread Andrew Morton
On Wed, 6 Jun 2007 03:27:31 + young dave [EMAIL PROTECTED] wrote: Hi, Are you able to reproduce this in 2.6.22-rc4? The bug seems doesn't exist in 2.6.22-rc4, I have tested it, the unpluging can't produce kernel bug message. OK, thanks. I'll drop

Re: [BUG] 2.6.22-rc3-mm1 remove bluetooth usb adapter caused kmalloc bug

2007-06-05 Thread Christoph Lameter
Note that the corruption seems to have its cause in a decrement done at offset 16 into the object pointing to the refcount in struct hci_dev. So it looks like the refcount was decremented after the object was freed. sysfs related? - To unsubscribe from this list: send the line unsubscribe

Re: [BUG] 2.6.22-rc3-mm1 remove bluetooth usb adapter caused kmalloc bug

2007-06-05 Thread young dave
Hi, 2007/6/6, Christoph Lameter [EMAIL PROTECTED]: Note that the corruption seems to have its cause in a decrement done at offset 16 into the object pointing to the refcount in struct hci_dev. So it looks like the refcount was decremented after the object was freed. sysfs related? I noticed