Re: 2.6.24-rc1-gb4f5550 oops

2007-11-14 Thread Oleg Nesterov
On 11/14, Srivatsa Vaddagiri wrote: > > On Wed, Nov 14, 2007 at 06:17:08PM +0300, Oleg Nesterov wrote: > > Suppose that old user_struct/task_group is freed/reused, and the task does > > Shouldn't this old user actually be the root user_struct? Well, the S_ISUID application can switch ->user from

Re: 2.6.24-rc1-gb4f5550 oops

2007-11-14 Thread Srivatsa Vaddagiri
On Wed, Nov 14, 2007 at 06:17:08PM +0300, Oleg Nesterov wrote: > Suppose that old user_struct/task_group is freed/reused, and the task does Shouldn't this old user actually be the root user_struct? -- Regards, vatsa - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the

Re: 2.6.24-rc1-gb4f5550 oops

2007-11-14 Thread Ingo Molnar
btw., could you get your Signed-off-by line for that fix? Ingo - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.

Re: 2.6.24-rc1-gb4f5550 oops

2007-11-14 Thread Ingo Molnar
* Oleg Nesterov <[EMAIL PROTECTED]> wrote: > > > I suspect I see the bug in that area, but I am not sure it can > > > explain this trace completely. > > > > there's a fix pending from Dmitry - please see below. It took days > > for Grant to trigger the crash so it needs some time to be confirm

Re: 2.6.24-rc1-gb4f5550 oops

2007-11-14 Thread Oleg Nesterov
On 11/14, Ingo Molnar wrote: > > * Oleg Nesterov <[EMAIL PROTECTED]> wrote: > > > > [18073.371126] Unable to handle kernel NULL pointer dereference at > > > 0120 RIP: > > > [18073.371134] [] check_preempt_wakeup+0x6e/0x110 > > > [18073.371144] PGD 81f9067 PUD 81c8067 PMD 0 > > > [18

Re: 2.6.24-rc1-gb4f5550 oops

2007-11-14 Thread Ingo Molnar
* Oleg Nesterov <[EMAIL PROTECTED]> wrote: > > [18073.371126] Unable to handle kernel NULL pointer dereference at > > 0120 RIP: > > [18073.371134] [] check_preempt_wakeup+0x6e/0x110 > > [18073.371144] PGD 81f9067 PUD 81c8067 PMD 0 > > [18073.371151] Oops: [1] PREEMPT SMP > > [1

Re: 2.6.24-rc1-gb4f5550 oops

2007-11-14 Thread Oleg Nesterov
Grant Wilson wrote: > > [18073.371126] Unable to handle kernel NULL pointer dereference at > 0120 RIP: > [18073.371134] [] check_preempt_wakeup+0x6e/0x110 > [18073.371144] PGD 81f9067 PUD 81c8067 PMD 0 > [18073.371151] Oops: [1] PREEMPT SMP > [18073.371157] CPU 2 > [18073.371161]

Re: 2.6.24-rc1-gb4f5550 oops

2007-11-12 Thread Grant Wilson
On Mon, 12 Nov 2007 19:05:49 +0100 Peter Zijlstra <[EMAIL PROTECTED]> wrote: > > On Thu, 2007-11-08 at 23:49 +0100, Rafael J. Wysocki wrote: > > On Thursday, 8 of November 2007, Grant Wilson wrote: > > > On Thu, 8 Nov 2007 22:42:21 +0100 > > > "Rafael J. Wysocki" <[EMAIL PROTECTED]> wrote: > > >

Re: 2.6.24-rc1-gb4f5550 oops

2007-11-12 Thread Peter Zijlstra
On Thu, 2007-11-08 at 23:49 +0100, Rafael J. Wysocki wrote: > On Thursday, 8 of November 2007, Grant Wilson wrote: > > On Thu, 8 Nov 2007 22:42:21 +0100 > > "Rafael J. Wysocki" <[EMAIL PROTECTED]> wrote: > > > > > On Thursday, 8 of November 2007, Grant Wilson wrote: > > > > On Thu, 8 Nov 2007 16:

Re: 2.6.24-rc1-gb4f5550 oops

2007-11-08 Thread Rafael J. Wysocki
On Thursday, 8 of November 2007, Grant Wilson wrote: > On Thu, 8 Nov 2007 22:42:21 +0100 > "Rafael J. Wysocki" <[EMAIL PROTECTED]> wrote: > > > On Thursday, 8 of November 2007, Grant Wilson wrote: > > > On Thu, 8 Nov 2007 16:53:10 +0100 > > > "Rafael J. Wysocki" <[EMAIL PROTECTED]> wrote: > > > >

Re: 2.6.24-rc1-gb4f5550 oops

2007-11-08 Thread Grant Wilson
On Thu, 8 Nov 2007 22:42:21 +0100 "Rafael J. Wysocki" <[EMAIL PROTECTED]> wrote: > On Thursday, 8 of November 2007, Grant Wilson wrote: > > On Thu, 8 Nov 2007 16:53:10 +0100 > > "Rafael J. Wysocki" <[EMAIL PROTECTED]> wrote: > > > > > On Thursday, 8 of November 2007, Grant Wilson wrote: > > > > O

Re: 2.6.24-rc1-gb4f5550 oops

2007-11-08 Thread Rafael J. Wysocki
On Thursday, 8 of November 2007, Grant Wilson wrote: > On Thu, 8 Nov 2007 16:53:10 +0100 > "Rafael J. Wysocki" <[EMAIL PROTECTED]> wrote: > > > On Thursday, 8 of November 2007, Grant Wilson wrote: > > > On Thu, 8 Nov 2007 01:06:21 +0100 > > > "Rafael J. Wysocki" <[EMAIL PROTECTED]> wrote: > > > >

Re: 2.6.24-rc1-gb4f5550 oops

2007-11-08 Thread Grant Wilson
On Thu, 8 Nov 2007 16:53:10 +0100 "Rafael J. Wysocki" <[EMAIL PROTECTED]> wrote: > On Thursday, 8 of November 2007, Grant Wilson wrote: > > On Thu, 8 Nov 2007 01:06:21 +0100 > > "Rafael J. Wysocki" <[EMAIL PROTECTED]> wrote: > > > > > On Monday, 5 of November 2007, Grant Wilson wrote: > > > > Hi,

Re: 2.6.24-rc1-gb4f5550 oops

2007-11-08 Thread Rafael J. Wysocki
On Thursday, 8 of November 2007, Grant Wilson wrote: > On Thu, 8 Nov 2007 01:06:21 +0100 > "Rafael J. Wysocki" <[EMAIL PROTECTED]> wrote: > > > On Monday, 5 of November 2007, Grant Wilson wrote: > > > Hi, > > > I got this oops on 2.6.24-rc1-641-gb4f5550: > > > > (1) Is this reproducible? > > (2)

Re: 2.6.24-rc1-gb4f5550 oops

2007-11-07 Thread Rafael J. Wysocki
On Monday, 5 of November 2007, Grant Wilson wrote: > Hi, > I got this oops on 2.6.24-rc1-641-gb4f5550: (1) Is this reproducible? (2) Did it happen previously on your system? > [18073.371126] Unable to handle kernel NULL pointer dereference at > 0120 RIP: > [18073.371134] [] check_

2.6.24-rc1-gb4f5550 oops

2007-11-04 Thread Grant Wilson
Hi, I got this oops on 2.6.24-rc1-641-gb4f5550: [18073.371126] Unable to handle kernel NULL pointer dereference at 0120 RIP: [18073.371134] [] check_preempt_wakeup+0x6e/0x110 [18073.371144] PGD 81f9067 PUD 81c8067 PMD 0 [18073.371151] Oops: [1] PREEMPT SMP [18073.371157] CPU