Messages in this thread | | | Date | Sat, 2 Jun 2007 16:45:15 +0200 | From | Alex Riesen <> | Subject | Re: OOPS (NULL pointer dereference) in v2.6.22-rc3 |
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Andrew Morton, Sat, Jun 02, 2007 10:35:02 +0200: > On Sat, 2 Jun 2007 00:15:15 +0200 Alex Riesen <raa.lkml@gmail.com> wrote: > > > Ubuntu 7.04, P4, SMT, hyperthreading active. Not reproducable, context unknown, > > seen only two times :( > > > > kernel: Call Trace: > > kernel: [show_trace_log_lvl+26/47] show_trace_log_lvl+0x1a/0x2f > > kernel: [show_stack_log_lvl+157/165] show_stack_log_lvl+0x9d/0xa5 > > kernel: [show_registers+441/651] show_registers+0x1b9/0x28b > > kernel: [die+273/530] die+0x111/0x212 > > kernel: [do_page_fault+1060/1266] do_page_fault+0x424/0x4f2 > > kernel: [error_code+114/120] error_code+0x72/0x78 > > kernel: [vfs_ioctl+562/581] vfs_ioctl+0x232/0x245 > > kernel: [sys_ioctl+49/72] sys_ioctl+0x31/0x48 > > kernel: [sysenter_past_esp+95/133] sysenter_past_esp+0x5f/0x85 > > I think we've seen a report of that before. Do you recall what the system > was doing at the time? >
Not really. One time it was when I started an old Opera browser I discovered somewhere in my $HOME, the other is believe when I was playing a scratched DVD with vlc (not sure, though).
> + if (!filp->f_op->ioctl) { > + printk("%s: ioctl %p disappeared\n", __FUNCTION__, f);
Applied, but used KERN_EMERG (let's hope there will be no storm).
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