Re: acpi_ps_execute_method OOPS (Re: some minor issues with 2.6.25-rc6-git7-default)

[devzero@web.de]

> On Tuesday 25 March 2008, devzero@web.de wrote:
> ...
> > this one looks more serious (happened with modprobe -r ac),
> > because kernel has problems afterwards (cannot load/anload any other module afterwards) 
> 
> any idea when this started happening?

it happend during some heavy module load/unload stresstesting. (modprobe $module;modprobe -r $module in a loop, with a mostly allmodconfig kernel)
i do this from time to time just for fun to see if i can find any bugs and every time i catch some - so this keeps me doing it.
let`s call this "corner case testing" :)

> Any chance you can snag the output from acpidump
> and attach it to a sighting here?:
> http://bugzilla.kernel.org/enter_bug.cgi?product=ACPI
i would really like to do that, but there`s a little "issue" with this - i will tell you off-list.

> 
> thanks,
> -Len
ditto :)

roland


> 
> > ACPI: ACPI0007:00 is registered as cooling_device0
> > ACPI: Processor [CPU0] (supports 8 throttling states)
> > BUG: unable to handle kernel paging request at 1b563b0c
> > IP: [<c020000f>] acpi_ps_execute_method+0xc4/0x1f9
> > *pde = 00000000
> > Oops: 0002 [#1] SMP
> > Modules linked in: ac(+) sg ahci libata dock sha1_generic michael_mic xcbc crc32c deflate zlib_deflate
> > tgr192 wp512 sha512 seed camellia fcrypt pcbc khazad tea arc4 cast6 cast5 xts gf128mul serpent blowfish
> > sha256_generic md4 cbc des_generic ecb crypto_blkcipher snd_seq_dummy snd_seq snd_timer snd_seq_device
> > snd soundcore parkbd eni suni zatm uPD98402 atm lm70 hwmon ip2 ip2main parport_pc parport 8250_exar_st16c554
> > 8250_accent 8250_hub6 8250_boca 8250_fourport ide_generic hpt366 alim15x3 jmicron pdc202xx_new cs5535 aec62xx
> > atiixp cs5520 it821x cs5530 hpt34x opti621 trm290 amd74xx ns87415 rz1000 pdc202xx_old via82cxxx triflex cmd64x
> > it8213 cy82c693 slc90e66 sc1200 serverworks sis5513 siimage ide_cd_mod cdrom mdacon capifs sctp libcrc32c
> > 9pnet_fd 9pnet sunrpc decnet dccp_ipv6 dccp_ipv4 dccp ipv6 fuse ide_pci_generic pcnet32 piix mii intel_agp
> > ide_core agpgart ext3 mbcache jbd mptspi mptscsih mptbase scsi_transport_spi sd_mod scsi_mod [last unloaded: sbshc]
> > 
> > Pid: 14520, comm: modprobe Tainted: P         (2.6.25-rc6-git7-default #1)
> > EIP: 0060:[<c020000f>] EFLAGS: 00010206 CPU: 0
> > EIP is at acpi_ps_execute_method+0xc4/0x1f9
> > EAX: 1b563b0c EBX: 00000000 ECX: 0000ffff EDX: 00000093
> > ESI: d41a6240 EDI: c032c726 EBP: 00000000 ESP: df881d98
> >  DS: 007b ES: 007b FS: 00d8 GS: 0033 SS: 0068
> > Process modprobe (pid: 14520, ti=df880000 task=ddb458f0 task.ti=df880000)
> > Stack: ffffffff c032d513 df020c8c df020c84 df021844 d41a6250 d41a6240 c032c726
> >        00000000 c01fc910 00001001 d41a6240 e085f44c 00000000 c01fc44b e085f44c
> >        df020ce8 d41a6a20 d41a6a20 00000004 e085f44c df020ce8 c01ec145 df881dfc
> > Call Trace:
> >  [<c01fc910>] acpi_ns_evaluate+0x104/0x1a0
> >  [<c01fc44b>] acpi_evaluate_object+0x16f/0x244
> >  [<c01ec145>] acpi_evaluate_integer+0x84/0x104
> >  [<e085f038>] acpi_ac_get_state+0x22/0x53 [ac]
> >  [<e085f20e>] acpi_ac_add+0x63/0x15a [ac]
> >  [<c0207f4d>] acpi_device_probe+0x37/0xcd
> >  [<c022dd2b>] driver_probe_device+0x9d/0x114
> >  [<c022de86>] __driver_attach+0x52/0x87
> >  [<c022d36b>] bus_for_each_dev+0x31/0x52
> >  [<c022dbde>] driver_attach+0x11/0x13
> >  [<c022de34>] __driver_attach+0x0/0x87
> >  [<c022da1e>] bus_add_driver+0x91/0x193
> >  [<c022e039>] driver_register+0x45/0x9a
> >  [<e0863021>] acpi_ac_init+0x21/0x39 [ac]
> >  [<c013c1de>] sys_init_module+0x16b6/0x17c9
> >  [<c0208280>] acpi_bus_register_driver+0x0/0x38
> >  [<c0108a6a>] sys_mmap2+0x62/0x77
> >  [<c01059c4>] sysenter_past_esp+0x6d/0xa9
> >  =======================
> > Code: c0 b8 01 00 00 00 e8 f9 53 00 00 ff 76 08 8b 46 10 50 83 c0 08 50 68 13 d5 32 c0 6a ff 00 00 00 c2 2d 
> > c0 68 b0 c2 2d c0 68 fb 00 <00> 00 6a 40 e8 82 2a 00 00 83 c4 24 e8 93 fe ff ff 85 c0 89 c5
> > EIP: [<c020000f>] acpi_ps_execute_method+0xc4/0x1f9 SS:ESP 0068:df881d98
> > ---[ end trace f8c13e074fc8ef52 ]---
> > 
> > 
> 


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