... patches/2.6/2.6.25-rc5/2.6.25-rc5-mm1/ ... OK. > <0>[ 0.068233] BUG: spinlock bad magic on CPU#0, ... swapper Not tainted 2.6.25-rc5-mm1-testing #1 > <4>[ ... +0x8/0xa > <4>[ 0.072610] ======================= > <6>[ 0.072808] Unpacking initramfs... done ...

linux-kernel - Andrew Morton - Mar 12 2008 - 20:04

... patches/2.6/2.6.25-rc5/2.6.25-rc5-mm1/ ... OK. > <0>[ 0.068233] BUG: spinlock bad magic on CPU#0, ... swapper Not tainted 2.6.25-rc5-mm1-testing #1 > <4>[ ... +0x8/0xa > <4>[ 0.072610] ======================= > <6>[ 0.072808] Unpacking initramfs... done ...

linux-kernel - Dave Hansen - Mar 13 2008 - 16:46

... /2.6/2.6.25-rc5/2.6.25-rc5-mm1/ ... OK. > > <0>[ 0.068233] BUG: spinlock bad magic on CPU#0, ... swapper Not tainted 2.6.25-rc5-mm1-testing #1 > > <4>[ ... +0x8/0xa > > <4>[ 0.072610] ======================= > > <6>[ 0.072808] Unpacking initramfs... done ...

linux-kernel - Dave Hansen - Mar 13 2008 - 17:48

... Checking 'hlt' instruction... OK. > -BUG: spinlock bad magic on CPU#0, ... 0 > -Pid: 0, comm: swapper Not tainted 2.6.25-rc5- ... swapper Not tainted 2.6.25-rc5-mm1-testing #3 > + [bug reporting. This is actually a ...

linux-kernel - Dave Hansen - Mar 16 2008 - 16:11

... it brought along, including GCC 4.2.1. Tim, thanks for the excellent ... try and find a gcc-4.2 and compile on that. Andrew, I ... : 9k freed [ 0.086006] BUG: spinlock bad magic on CPU#0, ... swapper Not tainted 2.6.25-rc5-mm1-testing #2 [ 0.089001] ...

linux-kernel - Dave Hansen - Mar 14 2008 - 14:03

... at least shut up the spinlock warnings= =2E Sorry to say, ... Checking 'hlt' instruction... OK. -BUG: spinlock bad magic on CPU#0, ... Not tainted 2.6.25-rc5-mm1-testing #2 - [] spin_bug+ ... swapper Not tainted 2.6.25-rc5-mm1-testing #3 + [

linux-kernel - Tilman Schmidt - Mar 15 2008 - 08:47

... comm: swapper Not tainted 2.6.25-rc5-mm1-testing #3 > > + [] ... > Again, thanks for the excellent bug reporting. > > This is actually a different ... like the semaphore thing again, its a spinlock inside of down_tylock(). > But, this might ...

linux-kernel - Peter Zijlstra - Mar 17 2008 - 08:23

... w=2 > > I'm pretty sure the root cause of this bug is ... the rest non-__init'ed, we're now alive */ > rest_init(); > ... > > Well, the fs ... rest_init(), > including initializing my mnt_writer[] spinlocks. I guess I could > statically ...

linux-kernel - Eric Piel - Mar 14 2008 - 16:51

... as far in boot as the > initrd and realize that you're running on one of these screwed up > systems. Can you ... of reboots, alternating between a couple of completely unrelated fixes for bad hw/bios... Once there is more than one fix utilizing this ...

linux-kernel - Helge Hafting - Mar 27 2008 - 05:23

... set lockdep classes for a spinlock that I'm missing? I' ... 3 files changed, 10 insertions(+), 2 deletions(-) diff -puN fs/namei. ... /io.h> #include bugs.h> @@ -650,6 +651,13 @@ asmlinkage ... include/linux/mount.h --- linux-2.6.git/include/linux/mount ...

linux-kernel - Dave Hansen - Mar 14 2008 - 19:29

... fight this out some time (after 2.6.25 is out) or some vendor ... ?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff;h=9a9e0d685553af76cb6ae2af93cca4913e7fcd47 for details if you aren't ... think that we even want to re-introduce this in that form. If ...

linux-kernel - Linus Torvalds - Mar 15 2008 - 15:21

... . >>> +turning off the locking correctness validator. >>> +Pid: 0, comm: swapper Not tainted 2.6.25-rc5-mm1-testing #3 >>> + [] __lock_acquire+0x144/0xb6e >>> + [] ? native_sched_clock+0xe0/0xff >>> + [] ? ...

linux-kernel - Tilman Schmidt - Mar 19 2008 - 19:50

... get as far in boot as the initrd and realize that you're running on one of these screwed up systems. Can you stick ... bogus BIOS one. It costs you some bootup time, but we're talking about working around really busted hardware here. -- Dave -- ...

linux-kernel - Dave Hansen - Mar 23 2008 - 12:00

... as far in boot as the > initrd and realize that you're running on one of these screwed up > systems. Can you stick ... BIOS one. > > It costs you some bootup time, but we're talking about working around > really busted hardware here. Hmmm. I guess ...

linux-kernel - Pavel Machek - Mar 24 2008 - 12:03

... w=2 I'm pretty sure the root cause of this bug is ... the rest non-__init'ed, we're now alive */ rest_init(); ... Well, the fs ... during rest_init(), including initializing my mnt_writer[] spinlocks. I guess I could statically initialize ...

linux-kernel - Dave Hansen - Mar 14 2008 - 16:06

... of >> early_mnt_writer_initialize() that would do that? > > I *can* probably do it earlier, maybe even statically, but I think > you're missing the point a bit here. We've just been super lucky so far > that populate_rootfs() doesn't depend on any ...

linux-kernel - Eric Piel - Mar 14 2008 - 18:50

Hi! > > It's a pity, I had just nearly finished a new approach. Instead of > > relying on populate_rootfs() and the filesystem infrastructure, the new > > approach directly finds the file in the initramfs. > > So that avoids the VFS layer issues,

linux-kernel - Pavel Machek - Mar 21 2008 - 09:17

... as far in boot as the >> initrd and realize that you're running on one of these screwed up >> systems. Can you stick ... BIOS one. >> >> It costs you some bootup time, but we're talking about working around >> really busted hardware here. > > Hmmm ...

linux-kernel - Eric Piel - Mar 24 2008 - 13:05

... as far in boot as the >>> initrd and realize that you're running on one of these screwed up >>> systems. Can you ... BIOS one. >>> >>> It costs you some bootup time, but we're talking about working around >>> really busted hardware here. >> >> Hmmm ...

linux-kernel - Pavel Machek - Mar 24 2008 - 13:19

On Mon, 2008-03-24 at 18:05 +0100, Eric Piel wrote: > BTW, let me summarize my understanding of the kexec approach: > * the userspace write the new DSDT (cat my-dsdt-image > > /sys/firmware/acpi/tables/DSDT) > * the kernel don't use this DSDT

linux-kernel - Dave Hansen - Mar 24 2008 - 13:23