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SubjectRe: 2.4.21pre5aa1
On Friday 14 March 2003 10:08, Andrea Arcangeli wrote:

Hi Andrea,

> Only in 2.4.21pre5aa1: 22_sched-deadlock-mmdrop-1
> Backport from 2.5 (in a more icache friendy way) an anti-deadlock
> fix for the o1 scheduler that can otherwise send a cross IPI with
> irq disabled.
I get _tons_ of these messages:

Initializing RT netlink socket
rq->prev_mm was c025b0e0 set to c025b0e0 - swapper
dffddf4c c0115786 c023b1a0 c025b0e0 c025b0e0 dffdc24e dffddfbc dffce02c
dffdc000 00000000 dffdc000 dffddfbc c0105000 0008e000 c01072bd 00000700
c0125d00 c02916a8 dffddfbc c0105000 0008e000 00000002 c01e0018 dffd0018
Call Trace: [<c0115786>] [<c0105000>] [<c01072bd>] [<c0125d00>]
[<c0105000>] [<c01e0018>] [<c0105685>] [<c0125faf>] [<c0125d00>]
[<c0105043>] [<c01050
00>] [<c010568e>] [<c0105030>]
rq->prev_mm was c025b0e0 set to c025b0e0 - keventd
dffcff4c c0115786 c023b1a0 c025b0e0 c025b0e0 dffce24e 00000011 dffdc02c
dffce000 00000000 dffce570 dffce580 dffce256 dffce000 c0125e2d 00000011
dffcffa0 00000000 dffce570 dffce580 dffce000 00000001 00000000 83e58955
Call Trace: [<c0115786>] [<c0125e2d>] [<c0105000>] [<c0105000>]
[<c010568e>] [<c0125d00>]
rq->prev_mm was c025b0e0 set to c025b0e0 - ksoftirqd_CPU0
dffcdf9c c0115786 c023b1a0 c025b0e0 c025b0e0 dffcc24e dffcc24e dffdc02c
dffcc000 00000000 dffcc000 dffcc000 dffcc000 0008e000 c011d8fe dffcc24e
c023ae48 00000000 00010f00 dffddfb8 c0105000 c010568e 00000000 c011d880
Call Trace: [<c0115786>] [<c011d8fe>] [<c0105000>] [<c010568e>]
Starting kswapd
rq->prev_mm was c025b0e0 set to c025b0e0 - kswapd
dffcbf84 c0115786 c023b1a0 c025b0e0 c025b0e0 dffca24e 0fe45589 dffdc02c
dffca000 00000000 dffca000 dffcbfc4 ffffffff 0008e000 c0134306 c01071c4
00000000 dffca000 c025e490 c025e490 00000000 0008e000 00000000 dffd0018
Call Trace: [<c0115786>] [<c0134306>] [<c01071c4>] [<c0105000>]
[<c010568e>] [<c0134270>]
bigpage subsystem: allocated 0 bigpages (=0MB).
rq->prev_mm was c025b0e0 set to c025b0e0 - bdflush
dffc9f78 c0115786 c023b1a0 c025b0e0 c025b0e0 dffc824e 3dd3ac3f dffdc02c
dffc8000 00000000 00000286 c023afca dffc8256 dffc9fd8 c0115b3f 00000000
dffc8000 c025ee04 c025ee04 00000000 00000282 000001f4 c023afca 000001f4
Call Trace: [<c0115786>] [<c0115b3f>] [<c0140c5a>] [<c0105000>]
[<c010568e>] [<c0140b90>]
rq->prev_mm was c025b0e0 set to c025b0e0 - kupdated
dffc7f64 c0115786 c023b1a0 c025b0e0 c025b0e0 dffc624e 0001080d dffdc02c
dffc6000 00000000 0000021e dffc7fac dffc6000 dffc6000 c0121265 dffc7fac
83080da2 45890cec c02cbb44 c02cbb44 0000021e dffc6000 c01211f0 c02cb320
Call Trace: [<c0115786>] [<c0121265>] [<c01211f0>] [<c0140cfc>]
[<c0105000>] [<c010568e>] [<c0140c70>]
aio_setup: num_physpages = 32760
aio_setup: sizeof(struct page) = 44


rq->prev_mm was c40dddc0 set to c40ddf00 - grep
cb795f64 c0115786 c023b1a0 c40dddc0 c40ddf00 cb79424e c011bd9d cb7fc02c
cb794000 00000000 c16fa7a0 c158d200 cb794000 00000000 c011c1da cb794000
c16fa7a0 cb794000 4012e8c4 00000000 bffff838 c011c233 00000000 c010720f
Call Trace: [<c0115786>] [<c011bd9d>] [<c011c1da>] [<c011c233>]
rq->prev_mm was c40ddf00 set to cb78a0c0 - grep
cb789f64 c0115786 c023b1a0 c40ddf00 cb78a0c0 cb78824e c011bd9d cb7fc02c
cb788000 00000000 c16fa760 c158d200 cb788000 00000000 c011c1da cb788000
c16fa760 cb788000 4012e8c4 00000000 bffff838 c011c233 00000000 c010720f
Call Trace: [<c0115786>] [<c011bd9d>] [<c011c1da>] [<c011c233>]


Celeron 1,3GHz, UP, 512MB RAM, IDE.

ciao, Marc

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