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    SubjectRe: 2.6.21-mm1 and now 2.6.21-git: SLUB Crashes on boot - crypto?
    Kevin Winchester <kjwinchester@gmail.com> ha scritto:
    > On 5/9/07, Herbert Xu <herbert@gondor.apana.org.au> wrote:
    >> On Tue, May 08, 2007 at 09:58:09PM -0300, Kevin Winchester wrote:
    >> >
    >> > Not having any idea what I'm doing, I looked at cryptomgr_probe and
    >> > cryptomgr_notify, and can't seem to see much, except for the following
    >> > odd lines.
    >> >
    >> > From cryptomgr_schedule_probe, which is almost certainly inlined into
    >> > crypto_notify:
    >>
    >> Thanks for reporting this. This patch should fix the problem.
    >>
    >> Cheers,
    >> --
    >> Visit Openswan at http://www.openswan.org/
    >> Email: Herbert Xu ~{PmV>HI~} <herbert@gondor.apana.org.au>
    >> Home Page: http://gondor.apana.org.au/~herbert/
    >> PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
    >> --
    >> diff -puN crypto/cryptomgr.c~crypto-fix crypto/cryptomgr.c
    >> --- a/crypto/cryptomgr.c~crypto-fix
    >> +++ a/crypto/cryptomgr.c
    >> @@ -24,8 +24,6 @@
    >> #include "internal.h"
    >>
    >> struct cryptomgr_param {
    >> - struct task_struct *thread;
    >> -
    >> struct rtattr *tb[CRYPTOA_MAX];
    >>
    >> struct {
    >> @@ -81,6 +79,7 @@ err:
    >>
    >> static int cryptomgr_schedule_probe(struct crypto_larval *larval)
    >> {
    >> + struct task_struct *thread;
    >> struct cryptomgr_param *param;
    >> const char *name = larval->alg.cra_name;
    >> const char *p;
    >> @@ -130,8 +129,8 @@ static int cryptomgr_schedule_probe(stru
    >>
    >> memcpy(param->larval.name, larval->alg.cra_name, CRYPTO_MAX_ALG_NAME);
    >>
    >> - param->thread = kthread_run(cryptomgr_probe, param, "cryptomgr");
    >> - if (IS_ERR(param->thread))
    >> + thread = kthread_run(cryptomgr_probe, param, "cryptomgr");
    >> + if (IS_ERR(thread))
    >> goto err_free_param;
    >>
    >> return NOTIFY_STOP;
    >> _
    >>
    >
    > I see that this patch made it in to mainline, and latest -git now
    > works for me, so I assume this was the correct solution. I thought I
    > had tried this exact change without success when I was looking at the
    > problem, but I guess I did something wrong along the way.

    Hum,
    I'm running git 705962cc (which is a commit after -rc1) and I still see
    the OOPS on boot. The patch above is already applied though. Note that
    I'm using the SLAB allocator:

    CONFIG_SLAB=y
    # CONFIG_SLUB is not set
    # CONFIG_SLOB is not set


    Ending clean XFS mount for filesystem: dm-4
    BUG: unable to handle kernel paging request at virtual address 6b6b6ceb
    printing eip:
    b0141aef
    *pde = 00000000
    Oops: 0002 [#1]
    PREEMPT SMP
    BUG: unable to handle kernel paging request at virtual address 6b6b6d6b
    printing eip:
    b0141aef
    *pde = 00000000
    Modules linked in: sha1 md5 hmac crypto_hash cryptomgr crypto_algapi nfsd exportfs lockd sunrpc vfat fat nls_base fuse cpufreq_ondemand acpi_cpufreq freq_table i2c_isa ipv6 snd_hda_intel snd_pcm_oss snd_mixer_oss snd_pcm snd_timer ohci1394 snd e100 parport_pc parport ehci_hcd uhci_hcd atl1 intel_agp agpgart ieee1394 usbcore soundcore mii i2c_i801 snd_page_alloc dm_snapshot dm_mod thermal processor fan pata_ali sata_uli reiserfs xfs
    CPU: 0
    EIP: 0060:[<b0141aef>] Not tainted VLI
    EFLAGS: 00010256 (2.6.22-rc1-libata-g705962cc-dirty #62)
    EIP is at module_put+0x1c/0x57
    eax: 00000000 ebx: 6b6b6b6b ecx: 00000001 edx: ee5bb000
    esi: 00000000 edi: ee7b8a38 ebp: 00000000 esp: ee5bbfa8
    ds: 007b es: 007b fs: 00d8 gs: 0000 ss: 0068
    Process cryptomgr (pid: 4532, ti=ee5bb000 task=ef2fc070 task.ti=ee5bb000)
    Stack: ee7b8a38 00000000 ee7b8a38 f0858235 00000282 ef1a0bc0 00000000 ee7b8a38
    f08581b3 00000000 00000000 b0131351 0000007b b0131316 00000000 b0104b3b
    ef1a0bb4 00000000 00000000 00000000 00000000 00000000
    Call Trace:
    [<f0858235>] cryptomgr_probe+0x82/0x99 [cryptomgr]
    [<f08581b3>] cryptomgr_probe+0x0/0x99 [cryptomgr]
    [<b0131351>] kthread+0x3b/0x62
    [<b0131316>] kthread+0x0/0x62
    [<b0104b3b>] kernel_thread_helper+0x7/0x10
    =======================
    Code: e8 fa 70 08 00 83 c4 0c 89 d8 5b 5e 5f 5d c3 53 89 c3 83 ec 08 85 c0 74 49 b8 01 00 00 00 e8 ba a4 fd ff e8 34 70 09 00 c1 e0 07 <ff> 8c 18 80 01 00 00 83 3b 02 75 0b 8b 83 88 02 00 00 e8 18 9e
    EIP: [<b0141aef>] module_put+0x1c/0x57 SS:ESP 0068:ee5bbfa8
    Oops: 0002 [#2]
    note: cryptomgr[4532] exited with preempt_count 1
    PREEMPT SMP
    Modules linked in: sha1 md5 hmac crypto_hash cryptomgr crypto_algapi nfsd exportfs lockd sunrpc vfat fat nls_base fuse cpufreq_ondemand acpi_cpufreq freq_table i2c_isa ipv6 snd_hda_intel snd_pcm_oss snd_mixer_oss snd_pcm snd_timer ohci1394 snd e100 parport_pc parport ehci_hcd uhci_hcd atl1 intel_agp agpgart ieee1394 usbcore soundcore mii i2c_i801 snd_page_alloc dm_snapshot dm_mod thermal processor fan pata_ali sata_uli reiserfs xfs
    CPU: 1
    EIP: 0060:[<b0141aef>] Not tainted VLI
    EFLAGS: 00010212 (2.6.22-rc1-libata-g705962cc-dirty #62)
    EIP is at module_put+0x1c/0x57
    eax: 00000080 ebx: 6b6b6b6b ecx: 00000001 edx: b1a0f000
    esi: 00000000 edi: ee20fd80 ebp: 00000000 esp: b1a0ffa8
    ds: 007b es: 007b fs: 00d8 gs: 0000 ss: 0068
    Process cryptomgr (pid: 4537, ti=b1a0f000 task=eecce0b0 task.ti=b1a0f000)
    Stack: ee20fd80 00000000 ee20fd80 f0858235 00000282 ef1a0bc0 00000000 ee20fd80
    f08581b3 00000000 00000000 b0131351 0000007b b0131316 00000000 b0104b3b
    ef1a0bb4 00000000 00000000 00000000 00000000 00000000
    Call Trace:
    [<f0858235>] cryptomgr_probe+0x82/0x99 [cryptomgr]
    [<f08581b3>] cryptomgr_probe+0x0/0x99 [cryptomgr]
    [<b0131351>] kthread+0x3b/0x62
    [<b0131316>] kthread+0x0/0x62
    [<b0104b3b>] kernel_thread_helper+0x7/0x10
    =======================
    Code: e8 fa 70 08 00 83 c4 0c 89 d8 5b 5e 5f 5d c3 53 89 c3 83 ec 08 85 c0 74 49 b8 01 00 00 00 e8 ba a4 fd ff e8 34 70 09 00 c1 e0 07 <ff> 8c 18 80 01 00 00 83 3b 02 75 0b 8b 83 88 02 00 00 e8 18 9e
    EIP: [<b0141aef>] module_put+0x1c/0x57 SS:ESP 0068:b1a0ffa8
    note: cryptomgr[4537] exited with preempt_count 1
    BUG: unable to handle kernel paging request at virtual address 6b6b6d6b
    printing eip:
    b0141aef
    *pde = 00000000
    Oops: 0002 [#3]
    PREEMPT SMP
    Modules linked in: des cbc blkcipher sha1 md5 hmac crypto_hash cryptomgr crypto_algapi nfsd exportfs lockd sunrpc vfat fat nls_base fuse cpufreq_ondemand acpi_cpufreq freq_table i2c_isa ipv6 snd_hda_intel snd_pcm_oss snd_mixer_oss snd_pcm snd_timer ohci1394 snd e100 parport_pc parport ehci_hcd uhci_hcd atl1 intel_agp agpgart ieee1394 usbcore soundcore mii i2c_i801 snd_page_alloc dm_snapshot dm_mod thermal processor fan pata_ali sata_uli reiserfs xfs
    CPU: 1
    EIP: 0060:[<b0141aef>] Not tainted VLI
    EFLAGS: 00010212 (2.6.22-rc1-libata-g705962cc-dirty #62)
    EIP is at module_put+0x1c/0x57
    eax: 00000080 ebx: 6b6b6b6b ecx: 00000001 edx: b1a0f000
    esi: f1b32b60 edi: ee20fc68 ebp: fffffffe esp: b1a0ffa8
    ds: 007b es: 007b fs: 00d8 gs: 0000 ss: 0068
    Process cryptomgr (pid: 4564, ti=b1a0f000 task=eecfd570 task.ti=b1a0f000)
    Stack: fffffffe f1b32b60 fffffffe f0858235 00000282 ef1a0bc0 00000000 ee20fc68
    f08581b3 00000000 00000000 b0131351 0000007b b0131316 00000000 b0104b3b
    ef1a0bb4 00000000 00000000 00000000 00000000 00000000
    Call Trace:
    [<f0858235>] cryptomgr_probe+0x82/0x99 [cryptomgr]
    [<f08581b3>] cryptomgr_probe+0x0/0x99 [cryptomgr]
    [<b0131351>] kthread+0x3b/0x62
    [<b0131316>] kthread+0x0/0x62
    [<b0104b3b>] kernel_thread_helper+0x7/0x10
    =======================
    Code: e8 fa 70 08 00 83 c4 0c 89 d8 5b 5e 5f 5d c3 53 89 c3 83 ec 08 85 c0 74 49 b8 01 00 00 00 e8 ba a4 fd ff e8 34 70 09 00 c1 e0 07 <ff> 8c 18 80 01 00 00 83 3b 02 75 0b 8b 83 88 02 00 00 e8 18 9e
    EIP: [<b0141aef>] module_put+0x1c/0x57 SS:ESP 0068:b1a0ffa8
    note: cryptomgr[4564] exited with preempt_count 1
    BUG: unable to handle kernel paging request at virtual address 6b6b6ceb
    printing eip:
    b0141aef
    *pde = 00000000
    Oops: 0002 [#4]
    BUG: unable to handle kernel paging request at virtual address 6b6b6d6b
    printing eip:
    b0141aef
    *pde = 00000000
    PREEMPT SMP
    Modules linked in: des cbc blkcipher sha1 md5 hmac crypto_hash cryptomgr crypto_algapi nfsd exportfs lockd sunrpc vfat fat nls_base fuse cpufreq_ondemand acpi_cpufreq freq_table i2c_isa ipv6 snd_hda_intel snd_pcm_oss snd_mixer_oss snd_pcm snd_timer ohci1394 snd e100 parport_pc parport ehci_hcd uhci_hcd atl1 intel_agp agpgart ieee1394 usbcore soundcore mii i2c_i801 snd_page_alloc dm_snapshot dm_mod thermal processor fan pata_ali sata_uli reiserfs xfs
    CPU: 0
    EIP: 0060:[<b0141aef>] Not tainted VLI
    EFLAGS: 00010256 (2.6.22-rc1-libata-g705962cc-dirty #62)
    EIP is at module_put+0x1c/0x57
    eax: 00000000 ebx: 6b6b6b6b ecx: 00000001 edx: ed1a1000
    esi: f1b32b60 edi: edf47e98 ebp: fffffffe esp: ed1a1fa8
    ds: 007b es: 007b fs: 00d8 gs: 0000 ss: 0068
    Process cryptomgr (pid: 4569, ti=ed1a1000 task=eec4aa70 task.ti=ed1a1000)
    Stack: fffffffe f1b32b60 fffffffe f0858235 00000282 ef1a0bc0 00000000 edf47e98
    f08581b3 00000000 00000000 b0131351 0000007b b0131316 00000000 b0104b3b
    ef1a0bb4 00000000 00000000 00000000 00000000 00000000
    Call Trace:
    [<f0858235>] cryptomgr_probe+0x82/0x99 [cryptomgr]
    [<f08581b3>] cryptomgr_probe+0x0/0x99 [cryptomgr]
    [<b0131351>] kthread+0x3b/0x62
    [<b0131316>] kthread+0x0/0x62
    [<b0104b3b>] kernel_thread_helper+0x7/0x10
    =======================
    Code: e8 fa 70 08 00 83 c4 0c 89 d8 5b 5e 5f 5d c3 53 89 c3 83 ec 08 85 c0 74 49 b8 01 00 00 00 e8 ba a4 fd ff e8 34 70 09 00 c1 e0 07 <ff> 8c 18 80 01 00 00 83 3b 02 75 0b 8b 83 88 02 00 00 e8 18 9e
    EIP: [<b0141aef>] module_put+0x1c/0x57 SS:ESP 0068:ed1a1fa8
    Oops: 0002 [#5]
    note: cryptomgr[4569] exited with preempt_count 1
    PREEMPT SMP
    Modules linked in: des cbc blkcipher sha1 md5 hmac crypto_hash cryptomgr crypto_algapi nfsd exportfs lockd sunrpc vfat fat nls_base fuse cpufreq_ondemand acpi_cpufreq freq_table i2c_isa ipv6 snd_hda_intel snd_pcm_oss snd_mixer_oss snd_pcm snd_timer ohci1394 snd e100 parport_pc parport ehci_hcd uhci_hcd atl1 intel_agp agpgart ieee1394 usbcore soundcore mii i2c_i801 snd_page_alloc dm_snapshot dm_mod thermal processor fan pata_ali sata_uli reiserfs xfs
    CPU: 1
    EIP: 0060:[<b0141aef>] Not tainted VLI
    EFLAGS: 00010212 (2.6.22-rc1-libata-g705962cc-dirty #62)
    EIP is at module_put+0x1c/0x57
    eax: 00000080 ebx: 6b6b6b6b ecx: 00000001 edx: efcf7000
    esi: f1b32b60 edi: ee20f920 ebp: fffffffe esp: efcf7fa8
    ds: 007b es: 007b fs: 00d8 gs: 0000 ss: 0068
    Process cryptomgr (pid: 4574, ti=efcf7000 task=ee67c0b0 task.ti=efcf7000)
    Stack: fffffffe f1b32b60 fffffffe f0858235 00000282 ef1a0bc0 00000000 ee20f920
    f08581b3 00000000 00000000 b0131351 0000007b b0131316 00000000 b0104b3b
    ef1a0bb4 00000000 00000000 00000000 00000000 00000000
    Call Trace:
    [<f0858235>] cryptomgr_probe+0x82/0x99 [cryptomgr]
    [<f08581b3>] cryptomgr_probe+0x0/0x99 [cryptomgr]
    [<b0131351>] kthread+0x3b/0x62
    [<b0131316>] kthread+0x0/0x62
    [<b0104b3b>] kernel_thread_helper+0x7/0x10
    =======================
    Code: e8 fa 70 08 00 83 c4 0c 89 d8 5b 5e 5f 5d c3 53 89 c3 83 ec 08 85 c0 74 49 b8 01 00 00 00 e8 ba a4 fd ff e8 34 70 09 00 c1 e0 07 <ff> 8c 18 80 01 00 00 83 3b 02 75 0b 8b 83 88 02 00 00 e8 18 9e
    EIP: [<b0141aef>] module_put+0x1c/0x57 SS:ESP 0068:efcf7fa8
    note: cryptomgr[4574] exited with preempt_count 1

    (More OOPSes)

    Luca
    --
    "Chi parla in tono cortese, ma continua a prepararsi, potra` andare avanti;
    chi parla in tono bellicoso e avanza rapidamente dovra` ritirarsi"
    Sun Tzu -- L'arte della guerra
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