On 5/1/06, Andrew Morton <[email protected]> wrote:
ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.17-rc3/2.6.17-rc3-mm1/
Hi Andrew,
Since a few -mm releases I am seeing processes stuck in a
nanosleep({0, 0}, NULL) syscall. Sometimes, they unfreeze after
several hours.
The processes are urxvtd (rxvt-unicode daemon) or urxvt (rxvt-unicode terminal).
The backtrace from sysrq-t looks like:
...
urxvtd S DD965F68 0 12171 1 12367 12598 12078 (NOTLB)
dd965f38 326cc12f 00004abf dd965f68 dd965f38 631b6900 00000167 326c007b
003d0900 00000000 0000000a df51f144 df51f030 dfb81030 631b6900 00000167
003d0900 dd965000 dd965f68 00000001 dd965f50 c032703d 00000001 00000000
Call Trace:
<c032703d> do_nanosleep+0x3d/0x80 <c012fc68> hrtimer_nanosleep+0x38/0xf0
<c012fd78> sys_nanosleep+0x58/0x60 <c032818b> sysenter_past_esp+0x54/0x75
...
Showing all blocking locks in the system:
S urxvtd:12171 [df51f030, 115] (not blocked on mutex)
Was it already reported ? If not I'll test a vanilla kernel and start bisecting.
thanks,
Benoit
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