On Sat, 2009-07-18 at 15:30 +0200, Alexey Fisher wrote:
> suddenly my kernel is not warning free... i have still warning about
> acpi_init, cpufreg, intel_gem and inoitfy on my PC and about firmware
> loader on my laptop. So i think there is still some job to do. I will
> report this warnings soon.
Mine is not warning free either but they look like real leaks. There are
also a few more leaks reported by Jaswinder.
The inotify one was fixed but not in mainline yet (a fix was included in
my kmemleak-fixes branch).
What I get consistently:
unreferenced object 0xf72a9a80 (size 64):
comm "swapper", pid 1, jiffies 4294892557
hex dump (first 32 bytes):
00 00 00 00 38 00 00 00 00 00 00 00 00 00 00 00 ....8...........
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
backtrace:
[<c056aa8d>] kmemleak_alloc+0x3d/0x70
[<c01e234d>] __kmalloc+0x10d/0x210
[<c0351122>] kzalloc+0xb/0xd
[<c0351798>] acpi_add_single_object+0x609/0xe65
[<c03521c6>] acpi_bus_scan+0xfd/0x174
[<c07c1629>] acpi_scan_init+0xb5/0xd5
[<c07c140b>] acpi_init+0x21e/0x262
[<c010112b>] do_one_initcall+0x2b/0x160
[<c0799355>] kernel_init+0x150/0x1aa
[<c0103e57>] kernel_thread_helper+0x7/0x10
[<ffffffff>] 0xffffffff
Every time I kill the X server (reported here -
http://lkml.org/lkml/2009/7/8/422)
unreferenced object 0xcb5a6600 (size 44):
comm "gdm", pid 5246, jiffies 4960
hex dump (first 32 bytes):
02 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
00 00 00 00 e4 b5 2d ca 90 4e 15 c0 83 14 00 00 ......-..N......
backtrace:
[<c056aa8d>] kmemleak_alloc+0x3d/0x70
[<c01e0be6>] kmem_cache_alloc+0x156/0x1a0
[<c01552f9>] alloc_pid+0x19/0x350
[<c013e6f0>] copy_process+0x800/0x1230
[<c013f18f>] do_fork+0x6f/0x370
[<c0101986>] sys_clone+0x36/0x40
[<c010319c>] sysenter_do_call+0x12/0x38
[<ffffffff>] 0xffffffff
And quite a lot of these (also reported here -
http://lkml.org/lkml/2009/7/9/110 - but the first one was fixed by
Jaswinder and included in my kmemleak-fixes branch):
unreferenced object 0xcb0166c0 (size 148):
comm "Xorg", pid 5251, jiffies 5784
hex dump (first 32 bytes):
ff ff ff ff 30 7f 98 c3 00 80 18 cb 90 80 18 cb ....0...........
20 81 18 cb b0 81 18 cb 40 82 18 cb d0 82 18 cb .......@.......
backtrace:
[<c056aa8d>] kmemleak_alloc+0x3d/0x70
[<c01e0be6>] kmem_cache_alloc+0x156/0x1a0
[<c0317bf0>] idr_pre_get+0x50/0x70
[<fa448ff4>] drm_gem_handle_create+0x24/0x90 [drm]
[<fa8b34ad>] i915_gem_create_ioctl+0x5d/0xb0 [i915]
[<fa4477c2>] drm_ioctl+0x192/0x3a0 [drm]
[<c01f8339>] vfs_ioctl+0x79/0x90
[<c01f849a>] do_vfs_ioctl+0x6a/0x5e0
[<c01f8a73>] sys_ioctl+0x63/0x70
[<c010319c>] sysenter_do_call+0x12/0x38
[<ffffffff>] 0xffffffff
--
Catalin
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