On Tue, Aug 26, 2008 at 7:49 AM, Carsten Emde [off-list ref] wrote:

Jon Masters wrote:

quoted

On Tue, 2008-08-26 at 01:15 +0200, John Kacur wrote:

quoted

Slightly different form today.
Bad page state in process 'firefox-bin'
page:ffffe20000daa360 flags:0x0100000000000000
mapping:ffffe20000daa378 mapcount:0 count:0
Trying to fix it up, but a reboot is needed
Backtrace:
Pid: 16955, comm: firefox-bin Not tainted 2.6.26.3-rt3 #3

Er, does firefox run reliably on a non-RT 2.6.26.3 kernel? This many
random calls to bad_page suggests more of a RAM problem.

Don't think so. Same problem here:
Bad page state in process 'bonobo-activati'
page:c18f66fc flags:0x40000000 mapping:c18f670c mapcount:0 count:0
Trying to fix it up, but a reboot is needed
Backtrace:
Pid: 4169, comm: bonobo-activati Not tainted 2.6.26.3-rt3 #2
[<c0438e52>] ? printk+0x14/0x1a
[<c026e8ef>] bad_page+0x4e/0x79
[<c026f3d3>] free_hot_cold_page+0x5b/0x1dc
[<c026f5a1>] free_hot_page+0xf/0x11
[<c026f5c3>] __free_pages+0x20/0x2b
[<c02789a0>] __pte_alloc+0x6f/0x77
[<c0278a4d>] handle_mm_fault+0xa5/0x56c
[<c0243a1c>] ? rt_mutex_down_read+0x15c/0x164
[<c0218759>] do_page_fault+0x2c1/0x674
[<c021b21d>] ? enqueue_task+0x5a/0x66
[<c043bb66>] ? __spin_unlock_irqrestore+0x24/0x42
[<c0241e4f>] ? rt_mutex_adjust_prio+0x1a/0x31
[<c043bc92>] ? __spin_lock_irqsave+0x1e/0x38
[<c021f37d>] ? try_to_wake_up+0x176/0x180
[<c043bb5a>] ? __spin_unlock_irqrestore+0x18/0x42
[<c0241e4f>] ? rt_mutex_adjust_prio+0x1a/0x31
[<c0241e61>] ? rt_mutex_adjust_prio+0x2c/0x31
[<c0241e61>] ? rt_mutex_adjust_prio+0x2c/0x31
[<c043a8f7>] ? rt_write_slowunlock+0x1cd/0x1d5
[<c027ccb0>] ? mprotect_fixup+0x238/0x282
[<c0259384>] ? audit_syscall_exit+0x2b6/0x2d1
[<c0204a4e>] ? resume_userspace+0x6/0x1c
[<c0218498>] ? do_page_fault+0x0/0x674
[<c043bf02>] error_code+0x72/0x78

Hi Carsten

Any progress or ideas here?

Thank you

John