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    Subjectswsusp regression [Was: 2.6.18-rc3-mm2]
    Andrew Morton wrote:
    > ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.18-rc3/2.6.18-rc3-mm2/

    I tried it and guess what :)... swsusp doesn't work :@.

    This time I was able to dump process states with sysrq-t:
    http://www.fi.muni.cz/~xslaby/sklad/ide2.gif

    My guess is ide2/2.0 dies (hpt370 driver), since last thing kernel prints is
    suspending device 2.0

    diff of dmesgs:
    --- rc2 2006-08-07 11:13:34.000000000 +0200
    +++ rc3 2006-08-07 11:13:39.000000000 +0200
    @@ -1,4 +1,4 @@
    -Linux version 2.6.18-rc2-mm1 (ku@bellona) (gcc version 4.1.1 20060721 (Red Hat
    4.1.1-13)) #155 SMP Tue Aug 1 01:17:45 CEST 2006
    +Linux version 2.6.18-rc3-mm2 (ku@bellona) (gcc version 4.1.1 20060802 (Red Hat
    4.1.1-14)) #157 SMP Sun Aug 6 19:38:53 CEST 2006
    BIOS-provided physical RAM map:
    sanitize start
    sanitize end
    @@ -49,7 +49,7 @@
    Enabling APIC mode: Flat. Using 1 I/O APICs
    Using ACPI (MADT) for SMP configuration information
    Allocating PCI resources starting at 50000000 (gap: 40000000:bec00000)
    -Detected 2736.278 MHz processor.
    +Detected 2736.289 MHz processor.
    Built 1 zonelists. Total pages: 262128
    Kernel command line: ro root=/dev/hda2 reboot=w vga=1 2
    mapped APIC to ffffd000 (fee00000)
    @@ -57,14 +57,22 @@
    Enabling fast FPU save and restore... done.
    Enabling unmasked SIMD FPU exception support... done.
    Initializing CPU#0
    -CPU 0 irqstacks, hard=c0505000 soft=c0502000
    +CPU 0 irqstacks, hard=c0509000 soft=c0506000
    PID hash table entries: 4096 (order: 12, 16384 bytes)
    Console: colour VGA+ 80x50
    Dentry cache hash table entries: 131072 (order: 7, 524288 bytes)
    Inode-cache hash table entries: 65536 (order: 6, 262144 bytes)
    -Memory: 1034488k/1048512k available (2514k kernel code, 13456k reserved, 1349k
    data, 200k init, 131008k highmem)
    +Memory: 1034472k/1048512k available (2522k kernel code, 13472k reserved, 1353k
    data, 204k init, 131008k highmem)
    +virtual kernel memory layout:
    + fixmap : 0xfff90000 - 0xfffff000 ( 444 kB)
    + pkmap : 0xff800000 - 0xffc00000 (4096 kB)
    + vmalloc : 0xf8800000 - 0xff7fe000 ( 111 MB)
    + lowmem : 0xc0000000 - 0xf8000000 ( 896 MB)
    + .init : 0xc04ce000 - 0xc0501000 ( 204 kB)
    + .data : 0xc03768d2 - 0xc04c8ff8 (1353 kB)
    + .text : 0xc0100000 - 0xc03768d2 (2522 kB)
    Checking if this processor honours the WP bit even in supervisor mode... Ok.
    -Calibrating delay using timer specific routine.. 5476.47 BogoMIPS (lpj=10952942)
    +Calibrating delay using timer specific routine.. 5476.48 BogoMIPS (lpj=10952969)
    Mount-cache hash table entries: 512
    CPU: After generic identify, caps: bfebfbff 00000000 00000000 00000000
    00004400 00000000 00000000
    CPU: After vendor identify, caps: bfebfbff 00000000 00000000 00000000 00004400
    00000000 00000000
    @@ -82,9 +90,9 @@
    CPU0: Intel(R) Pentium(R) 4 CPU 2.60GHz stepping 09
    SMP alternatives: switching to SMP code
    Booting processor 1/1 eip 3000
    -CPU 1 irqstacks, hard=c0506000 soft=c0503000
    +CPU 1 irqstacks, hard=c050a000 soft=c0507000
    Initializing CPU#1
    -Calibrating delay using timer specific routine.. 5472.77 BogoMIPS (lpj=10945546)
    +Calibrating delay using timer specific routine.. 5472.79 BogoMIPS (lpj=10945581)
    CPU: After generic identify, caps: bfebfbff 00000000 00000000 00000000
    00004400 00000000 00000000
    CPU: After vendor identify, caps: bfebfbff 00000000 00000000 00000000 00004400
    00000000 00000000
    CPU: Trace cache: 12K uops, L1 D cache: 8K
    @@ -96,15 +104,15 @@
    CPU1: Intel P4/Xeon Extended MCE MSRs (12) available
    CPU1: Thermal monitoring enabled
    CPU1: Intel(R) Pentium(R) 4 CPU 2.60GHz stepping 09
    -Total of 2 processors activated (10949.24 BogoMIPS).
    +Total of 2 processors activated (10949.27 BogoMIPS).
    ENABLING IO-APIC IRQs
    ..TIMER: vector=0x31 apic1=0 pin1=2 apic2=-1 pin2=-1
    checking TSC synchronization across 2 CPUs: passed.
    Brought up 2 CPUs
    -migration_cost=111
    +migration_cost=1
    NET: Registered protocol family 16
    ACPI: bus type pci registered
    -PCI: PCI BIOS revision 2.10 entry at 0xfb670, last bus=2
    +PCI: Using configuration type 1
    Setting up standard PCI resources
    ACPI: Interpreter enabled
    ACPI: Using IOAPIC for interrupt routing
    @@ -189,7 +197,7 @@
    ACPI: PCI Interrupt 0000:02:01.0[A] -> GSI 21 (level, low) -> IRQ 19
    HPT370: chipset revision 3
    HPT370: no clock data saved by BIOS
    -HPT370: DPLL base: 48 MHz, f_CNT: 146, assuming 33 MHz PCI
    +HPT370: DPLL base: 48 MHz, f_CNT: 148, assuming 33 MHz PCI
    HPT370: using 33 MHz PCI clock
    HPT370: 100% native mode on irq 19
    ide2: BM-DMA at 0x9000-0x9007, BIOS settings: hde:DMA, hdf:pio
    @@ -243,7 +251,7 @@
    usb usb1: new device found, idVendor=0000, idProduct=0000
    usb usb1: new device strings: Mfr=3, Product=2, SerialNumber=1
    usb usb1: Product: EHCI Host Controller
    -usb usb1: Manufacturer: Linux 2.6.18-rc2-mm1 ehci_hcd
    +usb usb1: Manufacturer: Linux 2.6.18-rc3-mm2 ehci_hcd
    usb usb1: SerialNumber: 0000:00:1d.7
    usb usb1: configuration #1 chosen from 1 choice
    hub 1-0:1.0: USB hub found
    @@ -257,7 +265,7 @@
    usb usb2: new device found, idVendor=0000, idProduct=0000
    usb usb2: new device strings: Mfr=3, Product=2, SerialNumber=1
    usb usb2: Product: UHCI Host Controller
    -usb usb2: Manufacturer: Linux 2.6.18-rc2-mm1 uhci_hcd
    +usb usb2: Manufacturer: Linux 2.6.18-rc3-mm2 uhci_hcd
    usb usb2: SerialNumber: 0000:00:1d.0
    usb usb2: configuration #1 chosen from 1 choice
    hub 2-0:1.0: USB hub found
    @@ -270,7 +278,7 @@
    usb usb3: new device found, idVendor=0000, idProduct=0000
    usb usb3: new device strings: Mfr=3, Product=2, SerialNumber=1
    usb usb3: Product: UHCI Host Controller
    -usb usb3: Manufacturer: Linux 2.6.18-rc2-mm1 uhci_hcd
    +usb usb3: Manufacturer: Linux 2.6.18-rc3-mm2 uhci_hcd
    usb usb3: SerialNumber: 0000:00:1d.1
    usb usb3: configuration #1 chosen from 1 choice
    hub 3-0:1.0: USB hub found
    @@ -283,7 +291,7 @@
    usb usb4: new device found, idVendor=0000, idProduct=0000
    usb usb4: new device strings: Mfr=3, Product=2, SerialNumber=1
    usb usb4: Product: UHCI Host Controller
    -usb usb4: Manufacturer: Linux 2.6.18-rc2-mm1 uhci_hcd
    +usb usb4: Manufacturer: Linux 2.6.18-rc3-mm2 uhci_hcd
    usb usb4: SerialNumber: 0000:00:1d.2
    usb usb4: configuration #1 chosen from 1 choice
    hub 4-0:1.0: USB hub found
    @@ -296,7 +304,7 @@
    usb usb5: new device found, idVendor=0000, idProduct=0000
    usb usb5: new device strings: Mfr=3, Product=2, SerialNumber=1
    usb usb5: Product: UHCI Host Controller
    -usb usb5: Manufacturer: Linux 2.6.18-rc2-mm1 uhci_hcd
    +usb usb5: Manufacturer: Linux 2.6.18-rc3-mm2 uhci_hcd
    usb usb5: SerialNumber: 0000:00:1d.3
    usb usb5: configuration #1 chosen from 1 choice
    hub 5-0:1.0: USB hub found
    @@ -312,8 +320,8 @@
    input: Wacom Graphire2 4x5 as /class/input/input0
    usbcore: registered new interface driver wacom
    /l/latest/xxx/drivers/usb/input/wacom.c: v1.45:USB Wacom Graphire and Wacom
    Intuos tablet driver
    -serio: i8042 AUX port at 0x60,0x64 irq 12
    serio: i8042 KBD port at 0x60,0x64 irq 1
    +serio: i8042 AUX port at 0x60,0x64 irq 12
    mice: PS/2 mouse device common for all mice
    it87: Found IT8712F chip at 0x290, revision 5
    md: raid0 personality registered for level 0
    @@ -325,6 +333,7 @@
    No soundcards found.
    oprofile: using NMI interrupt.
    ip_conntrack version 2.4 (8191 buckets, 65528 max) - 208 bytes per conntrack
    +input: AT Translated Set 2 keyboard as /class/input/input1
    ip_tables: (C) 2000-2006 Netfilter Core Team
    TCP bic registered
    NET: Registered protocol family 1
    @@ -336,13 +345,15 @@
    md: Autodetecting RAID arrays.
    md: autorun ...
    md: ... autorun DONE.
    +EXT3-fs: INFO: recovery required on readonly filesystem.
    +EXT3-fs: write access will be enabled during recovery.
    kjournald starting. Commit interval 5 seconds
    +EXT3-fs: recovery complete.
    EXT3-fs: mounted filesystem with ordered data mode.
    VFS: Mounted root (ext3 filesystem) readonly.
    -Freeing unused kernel memory: 200k freed
    -input: AT Translated Set 2 keyboard as /class/input/input1
    +Freeing unused kernel memory: 204k freed
    ieee1394: Initialized config rom entry `ip1394'
    -hdc: ATAPI 63X DVD-ROM DVD-R CD-R/RW drive, 2048kB Cache, UDMA(33)
    +hdc: ATAPI CD-ROM drive, 0kB Cache, UDMA(33)
    Uniform CD-ROM driver Revision: 3.20
    hdd: ATAPI 40X DVD-ROM CD-R/RW drive, 2048kB Cache, UDMA(33)
    ACPI: PCI Interrupt 0000:02:05.0[A] -> GSI 21 (level, low) -> IRQ 19
    @@ -387,3 +398,5 @@
    EXT3 FS on md0, internal journal
    EXT3-fs: mounted filesystem with ordered data mode.
    Adding 506036k swap on /dev/hda3. Priority:-1 extents:1 across:506036k
    +JBD: barrier-based sync failed on hda2 - disabling barriers
    +JBD: barrier-based sync failed on md0 - disabling barriers
    regards,
    --
    <a href="http://www.fi.muni.cz/~xslaby/">Jiri Slaby</a>
    faculty of informatics, masaryk university, brno, cz
    e-mail: jirislaby gmail com, gpg pubkey fingerprint:
    B674 9967 0407 CE62 ACC8 22A0 32CC 55C3 39D4 7A7E
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