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Subject2.6.35 suspend regression (bisected)


My HP6730B (x86_64 kernel, uptodate lubuntu Lucid installed) fails to suspend
on recent git kernels, the screen goes black (backlight on) and stays there forever.

Here's what I found from a bisect.

Alas reverting that single commit on current linux/master does not
solve the issue so it could be that I did something wrong... anyway
here the log of the bisect:

git bisect start
# good: [e40152ee1e1c7a63f4777791863215e3faa37a86] Linus 2.6.34
git bisect good e40152ee1e1c7a63f4777791863215e3faa37a86
# bad: [815c4163b6c8ebf8152f42b0a5fd015cfdcedc78] Linux 2.6.35-rc4
git bisect bad 815c4163b6c8ebf8152f42b0a5fd015cfdcedc78
# good: [c316ba3b518bc35ce5aef5421135220389f4eb98] Merge branch 'linux-next' of git://git.infradead.org/ubi-2.6
git bisect good c316ba3b518bc35ce5aef5421135220389f4eb98
# good: [6d94d4081048756df78444a07201156f4930fe48] lis3: interrupt handlers for 8bit wakeup and click events
git bisect good 6d94d4081048756df78444a07201156f4930fe48
# good: [d8d326dc7ae6bec2a999d674c5babb6bf490587a] Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-2.6
git bisect good d8d326dc7ae6bec2a999d674c5babb6bf490587a
# bad: [9a9620db07b27700a4de9e86985735fffb78e2f8] Merge branch 'linux_next' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/i7core
git bisect bad 9a9620db07b27700a4de9e86985735fffb78e2f8
# bad: [c2572b78aa0447244a38e555ebb1b3b48a0088a5] USB: cdc-acm: fix resource reclaim in error path of acm_probe
git bisect bad c2572b78aa0447244a38e555ebb1b3b48a0088a5
# good: [aef4b9aaae1decc775778903922bd0075cce7a88] Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc
git bisect good aef4b9aaae1decc775778903922bd0075cce7a88
# bad: [95619be590638bd48469ac81c0f6236f349f5640] Merge git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
git bisect bad 95619be590638bd48469ac81c0f6236f349f5640
# good: [92645879d07a48897fe8888c2e37607aa1189cc9] drm/radeon/kms/pm: radeon_set_power_state fixes
git bisect good 92645879d07a48897fe8888c2e37607aa1189cc9
# good: [ee227c577cde47f78e2df359f9c32ba047060767] of/powerpc: fix fsl_msi device node pointer
git bisect good ee227c577cde47f78e2df359f9c32ba047060767
# good: [d8dcaa1dc50f5aecd38d34180cd99d6af8566c88] drm/radeon/kms: make sure display hw is disabled when suspending
git bisect good d8dcaa1dc50f5aecd38d34180cd99d6af8566c88
# good: [03cd3739818d3fa7f973d0fb6d3aa63122ea00a0] Merge git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6
git bisect good 03cd3739818d3fa7f973d0fb6d3aa63122ea00a0
# good: [527b9525256f97ad8d092bbfc8fdc3c5409f4a4d] n2_crypto: Fix MAU kmem_cache name.
git bisect good 527b9525256f97ad8d092bbfc8fdc3c5409f4a4d
# bad: [0f0a8fa735bbde4b0bc3e96e4bb2e5b380a324db] crypto: crypto4xx - Fix build breakage
git bisect bad 0f0a8fa735bbde4b0bc3e96e4bb2e5b380a324db
Bisecting: 0 revisions left to test after this (roughly 0 steps)
[c9aa55e5271a53d28e93fa58759d318b403c15ba] n2_crypto: Plumb fallback ahash requests properly.
$ lcpci

00:00.0 Host bridge: Intel Corporation Mobile 4 Series Chipset Memory Controller Hub (rev 07)
00:02.0 VGA compatible controller: Intel Corporation Mobile 4 Series Chipset Integrated Graphics Controller (rev 07)
00:02.1 Display controller: Intel Corporation Mobile 4 Series Chipset Integrated Graphics Controller (rev 07)
00:1a.0 USB Controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #4 (rev 03)
00:1a.1 USB Controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #5 (rev 03)
00:1a.2 USB Controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #6 (rev 03)
00:1a.7 USB Controller: Intel Corporation 82801I (ICH9 Family) USB2 EHCI Controller #2 (rev 03)
00:1b.0 Audio device: Intel Corporation 82801I (ICH9 Family) HD Audio Controller (rev 03)
00:1c.0 PCI bridge: Intel Corporation 82801I (ICH9 Family) PCI Express Port 1 (rev 03)
00:1c.1 PCI bridge: Intel Corporation 82801I (ICH9 Family) PCI Express Port 2 (rev 03)
00:1c.2 PCI bridge: Intel Corporation 82801I (ICH9 Family) PCI Express Port 3 (rev 03)
00:1c.4 PCI bridge: Intel Corporation 82801I (ICH9 Family) PCI Express Port 5 (rev 03)
00:1c.5 PCI bridge: Intel Corporation 82801I (ICH9 Family) PCI Express Port 6 (rev 03)
00:1d.0 USB Controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #1 (rev 03)
00:1d.1 USB Controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #2 (rev 03)
00:1d.2 USB Controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #3 (rev 03)
00:1d.7 USB Controller: Intel Corporation 82801I (ICH9 Family) USB2 EHCI Controller #1 (rev 03)
00:1e.0 PCI bridge: Intel Corporation 82801 Mobile PCI Bridge (rev 93)
00:1f.0 ISA bridge: Intel Corporation ICH9M LPC Interface Controller (rev 03)
00:1f.2 SATA controller: Intel Corporation ICH9M/M-E SATA AHCI Controller (rev 03)
02:00.0 Network controller: Intel Corporation PRO/Wireless 5100 AGN [Shiloh] Network Connection
85:00.0 Ethernet controller: Broadcom Corporation NetLink BCM5787M Gigabit Ethernet PCI Express (rev 02)
86:02.0 FireWire (IEEE 1394): Agere Systems FW322/323 (rev 70)

$ uname -a
Linux poppero4 2.6.35-rc6+ #40 SMP Sun Jul 25 18:25:50 CEST 2010 x86_64 GNU/Linux

R


--
Roberto Oppedisano [RO2480-RIPE]
Infracom Italia S.p.A. IM, OSS and LIR Services
Tel. +39 045 9692691 Fax +39 045 8271499 Mob. +39 348 7419534



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