* Oops in swap code
@ 2001-03-01 10:54 Stephen C. Tweedie
0 siblings, 0 replies; only message in thread
From: Stephen C. Tweedie @ 2001-03-01 10:54 UTC (permalink / raw)
To: linux-mm; +Cc: Stephen Tweedie
Hi,
Just saw this from a Red Hat beta (wolverine) user: ring any bells?
It's a kernel BUG() in activate_page_nolock():
/*
* Move an inactive page to the active list.
*/
void activate_page_nolock(struct page * page)
{
if (PageInactiveDirty(page)) {
vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv
del_page_from_inactive_dirty_list(page);
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
add_page_to_active_list(page);
} else if (PageInactiveClean(page)) {
del_page_from_inactive_clean_list(page);
add_page_to_active_list(page)d_page+0/4096]
kernel BUG at swap.c:201!
invalid operand: 0000
CPU: 0
EIP: 0010:[activate_page_nolock+110/528]
EIP: 0010:[<c012aaae>]
EFLAGS: 00010282
eax: 0000001a ebx: c1103ef4 ecx: fffffffe edx: 00000000
esi: c1103ef4 edi: 00000070 ebp: 00000000 esp: c1167f94
ds: 0018 es: 0018 ss: 0018
Process kswapd (pid: 3, stackpage=c1167000)
Stack: c020a29b c020a456 000000c9 c1103ef4 c012a822 c1103ef4 c1103f10 c012c295
c1103ef4 00010f00 c024f5e0 00000006 0008e000 c012c5d7 00000006 00000000
c0105000 0008e000 00000000 00000018 00000018 c1177fa8 c0105000 c0107576
Call Trace: [age_page_up_nolock+18/48] [refill_inactive_scan+101/240] [kswapd+119/240] [empty_bad_page+0/4096] [empty_bad_page+0/4096] [kernel_thread+38/48] [kswapd+0/240]
Call Trace: [<c012a822>] [<c012c295>] [<c012c5d7>] [<c0105000>] [<c0105000>] [<c0107576>] [<c012c560>]
Code: 0f 0b 83 c4 0c 8b 43 14 85 c0 75 19 68 c9 00 00 00 68 56 a4
This seems to be reproducible.
--Stephen
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