Re: 3.5.0-rc5: BUG: soft lockup - CPU#0 stuck for 22s

2012-07-02 Thread Christian Kujau
On Mon, 2 Jul 2012 at 14:50, Benjamin Herrenschmidt wrote: Interesting... I observed something roughly similar on a dual G4 the other day associated with a 30s to 1mn pause during boot. RCU was complaining loudly. In my case, it did continue booting normally, is that the case for you ? No,

Re: 3.5.0-rc5: BUG: soft lockup - CPU#0 stuck for 22s

2012-07-02 Thread Christian Kujau
On Mon, 2 Jul 2012 at 14:50, Benjamin Herrenschmidt wrote: while trying to upgrade from 3.4.0 to 3.5.0-rc5 on this Powerbook G4 (powerpc 32 bit), this happens during booting: -- usb 2-1: new full-speed USB device number 4 using ohci_hcd SCSI subsystem initialized scsi0

Re: 3.5.0-rc5: BUG: soft lockup - CPU#0 stuck for 22s

2012-07-02 Thread Paul E. McKenney
On Sun, Jul 01, 2012 at 11:30:40PM -0700, Christian Kujau wrote: On Mon, 2 Jul 2012 at 14:50, Benjamin Herrenschmidt wrote: Interesting... I observed something roughly similar on a dual G4 the other day associated with a 30s to 1mn pause during boot. RCU was complaining loudly. In my

Re: 3.5.0-rc5: BUG: soft lockup - CPU#0 stuck for 22s

2012-07-02 Thread Christian Kujau
On Mon, 2 Jul 2012 at 09:45, Paul E. McKenney wrote: On Sun, Jul 01, 2012 at 11:30:40PM -0700, Christian Kujau wrote: On Mon, 2 Jul 2012 at 14:50, Benjamin Herrenschmidt wrote: Interesting... I observed something roughly similar on a dual G4 the other day associated with a 30s to 1mn

3.5.0-rc5: BUG: soft lockup - CPU#0 stuck for 22s

2012-07-01 Thread Christian Kujau
Hi, while trying to upgrade from 3.4.0 to 3.5.0-rc5 on this Powerbook G4 (powerpc 32 bit), this happens during booting: -- usb 2-1: new full-speed USB device number 4 using ohci_hcd SCSI subsystem initialized scsi0 : SBP-2 IEEE-1394 scsi1 : SBP-2 IEEE-1394 firewire_sbp2 fw1.0:

Re: 3.5.0-rc5: BUG: soft lockup - CPU#0 stuck for 22s

2012-07-01 Thread Benjamin Herrenschmidt
On Sun, 2012-07-01 at 00:18 -0700, Christian Kujau wrote: Hi, while trying to upgrade from 3.4.0 to 3.5.0-rc5 on this Powerbook G4 (powerpc 32 bit), this happens during booting: -- usb 2-1: new full-speed USB device number 4 using ohci_hcd SCSI subsystem initialized scsi0 :